Remove the old task model

pkg/analyzer/test/generated/engine_test.dart

 // Copyright (c) 2014, the Dart project authors.  Please see the AUTHORS file
 // for details. All rights reserved. Use of this source code is governed by a
 // BSD-style license that can be found in the LICENSE file.
 
-library engine.engine_test;
+library analyzer.test.generated.engine_test;
 
 import 'dart:async';
-import 'dart:collection';
 
-import 'package:analyzer/file_system/memory_file_system.dart';
 import 'package:analyzer/source/embedder.dart';
-import 'package:analyzer/src/cancelable_future.dart';
-import 'package:analyzer/src/context/cache.dart' show CacheEntry;
+import 'package:analyzer/src/context/cache.dart';
 import 'package:analyzer/src/generated/ast.dart';
 import 'package:analyzer/src/generated/constant.dart';
 import 'package:analyzer/src/generated/element.dart';
 import 'package:analyzer/src/generated/engine.dart';
 import 'package:analyzer/src/generated/error.dart';
 import 'package:analyzer/src/generated/html.dart' as ht;
 import 'package:analyzer/src/generated/java_core.dart';
-import 'package:analyzer/src/generated/java_engine.dart';
-import 'package:analyzer/src/generated/java_engine_io.dart';
-import 'package:analyzer/src/generated/java_io.dart';
-import 'package:analyzer/src/generated/parser.dart';
 import 'package:analyzer/src/generated/resolver.dart';
-import 'package:analyzer/src/generated/scanner.dart';
-import 'package:analyzer/src/generated/sdk.dart';
-import 'package:analyzer/src/generated/sdk_io.dart';
 import 'package:analyzer/src/generated/source_io.dart';
-import 'package:analyzer/src/generated/testing/ast_factory.dart';
-import 'package:analyzer/src/generated/testing/element_factory.dart';
-import 'package:analyzer/src/generated/utilities_collection.dart';
-import 'package:analyzer/src/services/lint.dart';
 import 'package:analyzer/src/string_source.dart';
-import 'package:analyzer/task/model.dart' as newContext;
+import 'package:analyzer/task/model.dart';
 import 'package:html/dom.dart' show Document;
-import 'package:path/path.dart' as pathos;
 import 'package:typed_mock/typed_mock.dart';
 import 'package:unittest/unittest.dart';
-import 'package:watcher/src/utils.dart';
 
 import '../reflective_tests.dart';
 import '../utils.dart';
-import 'all_the_rest_test.dart';
-import 'resolver_test.dart';
-import 'test_support.dart';
 
 main() {
   initializeTestEnvironment();
-  // Tests for the classes used in both old and new analysis implementations.
   runReflectiveTests(SourcesChangedEventTest);
-  // Tests for the classes used in the old analysis implementation.
-  if (!AnalysisEngine.instance.useTaskModel) {
-    runReflectiveTests(AnalysisCacheTest);
-    runReflectiveTests(AnalysisContextImplTest);
-    runReflectiveTests(AnalysisTaskTest);
-    runReflectiveTests(AnalysisOptionsImplTest);
-    runReflectiveTests(DartEntryTest);
-    runReflectiveTests(GenerateDartErrorsTaskTest);
-    runReflectiveTests(GenerateDartHintsTaskTest);
-    runReflectiveTests(GenerateDartLintsTaskTest);
-    runReflectiveTests(GetContentTaskTest);
-    runReflectiveTests(HtmlEntryTest);
-    runReflectiveTests(IncrementalAnalysisCacheTest);
-    runReflectiveTests(IncrementalAnalysisTaskTest);
-    runReflectiveTests(LintGeneratorTest);
-    runReflectiveTests(ParseDartTaskTest);
-    runReflectiveTests(ParseHtmlTaskTest);
-    runReflectiveTests(PartitionManagerTest);
-    runReflectiveTests(ResolveDartLibraryTaskTest);
-    runReflectiveTests(ResolveDartUnitTaskTest);
-    runReflectiveTests(ResolveHtmlTaskTest);
-    runReflectiveTests(ScanDartTaskTest);
-    runReflectiveTests(SdkCachePartitionTest);
-    runReflectiveTests(UniversalCachePartitionTest);
-    runReflectiveTests(WorkManagerTest);
-  }
-}
-
-@reflectiveTest
-class AnalysisCacheTest extends EngineTestCase {
-  void test_creation() {
-    expect(new AnalysisCache(new List<CachePartition>(0)), isNotNull);
-  }
-
-  void test_get() {
-    AnalysisCache cache = new AnalysisCache(new List<CachePartition>(0));
-    TestSource source = new TestSource();
-    expect(cache.get(source), isNull);
-  }
-
-  void test_iterator() {
-    CachePartition partition =
-        new UniversalCachePartition(null, 8, new DefaultRetentionPolicy());
-    AnalysisCache cache = new AnalysisCache(<CachePartition>[partition]);
-    TestSource source = new TestSource();
-    DartEntry entry = new DartEntry();
-    cache.put(source, entry);
-    MapIterator<Source, SourceEntry> iterator = cache.iterator();
-    expect(iterator.moveNext(), isTrue);
-    expect(iterator.key, same(source));
-    expect(iterator.value, same(entry));
-    expect(iterator.moveNext(), isFalse);
-  }
-
-  /**
-   * Verify that if multiple Source objects refer to the same file via
-   * different URIs, they are treated as separate entries in the cache.
-   */
-  void test_lookup_distinguishes_uris() {
-    CachePartition partition =
-        new UniversalCachePartition(null, 8, new DefaultRetentionPolicy());
-    AnalysisCache cache = new AnalysisCache(<CachePartition>[partition]);
-    JavaFile file = new JavaFile('baz.dart');
-    Source source1 = new FileBasedSource(file);
-    Source source2 =
-        new FileBasedSource(file, Uri.parse('package:foo/baz.dart'));
-    Source source3 =
-        new FileBasedSource(file, Uri.parse('package:bar/baz.dart'));
-    DartEntry entry1 = new DartEntry();
-    DartEntry entry2 = new DartEntry();
-    DartEntry entry3 = new DartEntry();
-    cache.put(source1, entry1);
-    cache.put(source2, entry2);
-    cache.put(source3, entry3);
-    expect(cache.get(source1), same(entry1));
-    expect(cache.get(source2), same(entry2));
-    expect(cache.get(source3), same(entry3));
-  }
-
-  void test_put_noFlush() {
-    CachePartition partition =
-        new UniversalCachePartition(null, 8, new DefaultRetentionPolicy());
-    AnalysisCache cache = new AnalysisCache(<CachePartition>[partition]);
-    TestSource source = new TestSource();
-    DartEntry entry = new DartEntry();
-    cache.put(source, entry);
-    expect(cache.get(source), same(entry));
-  }
-
-  void test_setMaxCacheSize() {
-    CachePartition partition = new UniversalCachePartition(
-        null, 8, new _AnalysisCacheTest_test_setMaxCacheSize());
-    AnalysisCache cache = new AnalysisCache(<CachePartition>[partition]);
-    int size = 6;
-    for (int i = 0; i < size; i++) {
-      Source source = new TestSource("/test$i.dart");
-      DartEntry entry = new DartEntry();
-      entry.setValue(DartEntry.PARSED_UNIT, null);
-      cache.put(source, entry);
-      cache.accessedAst(source);
-    }
-    _assertNonFlushedCount(size, cache);
-    int newSize = size - 2;
-    partition.maxCacheSize = newSize;
-    _assertNonFlushedCount(newSize, cache);
-  }
-
-  void test_size() {
-    CachePartition partition =
-        new UniversalCachePartition(null, 8, new DefaultRetentionPolicy());
-    AnalysisCache cache = new AnalysisCache(<CachePartition>[partition]);
-    int size = 4;
-    for (int i = 0; i < size; i++) {
-      Source source = new TestSource("/test$i.dart");
-      cache.put(source, new DartEntry());
-      cache.accessedAst(source);
-    }
-    expect(cache.size(), size);
-  }
-
-  void _assertNonFlushedCount(int expectedCount, AnalysisCache cache) {
-    int nonFlushedCount = 0;
-    MapIterator<Source, SourceEntry> iterator = cache.iterator();
-    while (iterator.moveNext()) {
-      if (iterator.value.getState(DartEntry.PARSED_UNIT) !=
-          CacheState.FLUSHED) {
-        nonFlushedCount++;
-      }
-    }
-    expect(nonFlushedCount, expectedCount);
-  }
-}
-
-@reflectiveTest
-class AnalysisContextImplTest extends EngineTestCase {
-  /**
-   * An analysis context whose source factory is [sourceFactory].
-   */
-  AnalysisContextImpl _context;
-
-  /**
-   * The source factory associated with the analysis [context].
-   */
-  SourceFactory _sourceFactory;
-
-  void fail_performAnalysisTask_importedLibraryDelete_html() {
-    Source htmlSource = _addSource(
-        "/page.html",
-        r'''
-<html><body><script type="application/dart">
-  import 'libB.dart';
-  main() {print('hello dart');}
-</script></body></html>''');
-    Source libBSource = _addSource("/libB.dart", "library libB;");
-    _analyzeAll_assertFinished();
-    expect(_context.getResolvedHtmlUnit(htmlSource), isNotNull,
-        reason: "htmlUnit resolved 1");
-    expect(
-        _context.getResolvedCompilationUnit2(libBSource, libBSource), isNotNull,
-        reason: "libB resolved 1");
-    expect(!_hasAnalysisErrorWithErrorSeverity(_context.getErrors(htmlSource)),
-        isTrue,
-        reason: "htmlSource doesn't have errors");
-    // remove libB.dart content and analyze
-    _context.setContents(libBSource, null);
-    _analyzeAll_assertFinished();
-    expect(_context.getResolvedHtmlUnit(htmlSource), isNotNull,
-        reason: "htmlUnit resolved 1");
-    AnalysisErrorInfo errors = _context.getErrors(htmlSource);
-    expect(_hasAnalysisErrorWithErrorSeverity(errors), isTrue,
-        reason: "htmlSource has an error");
-  }
-
-  void fail_recordLibraryElements() {
-    fail("Implement this");
-  }
-
-  @override
-  void setUp() {
-    super.setUp();
-    _context = new AnalysisContextImpl();
-    _sourceFactory = new SourceFactory([
-      new DartUriResolver(DirectoryBasedDartSdk.defaultSdk),
-      new FileUriResolver()
-    ]);
-    _context.sourceFactory = _sourceFactory;
-    AnalysisOptionsImpl options =
-        new AnalysisOptionsImpl.from(_context.analysisOptions);
-    options.cacheSize = 256;
-    _context.analysisOptions = options;
-  }
-
-  @override
-  void tearDown() {
-    _context = null;
-    _sourceFactory = null;
-    super.tearDown();
-  }
-
-  Future test_applyChanges_add() {
-    SourcesChangedListener listener = new SourcesChangedListener();
-    _context.onSourcesChanged.listen(listener.onData);
-    expect(_context.sourcesNeedingProcessing.isEmpty, isTrue);
-    Source source =
-        new FileBasedSource(FileUtilities2.createFile("/test.dart"));
-    ChangeSet changeSet = new ChangeSet();
-    changeSet.addedSource(source);
-    _context.applyChanges(changeSet);
-    expect(_context.sourcesNeedingProcessing.contains(source), isTrue);
-    return pumpEventQueue().then((_) {
-      listener.assertEvent(wereSourcesAdded: true);
-      listener.assertNoMoreEvents();
-    });
-  }
-
-  Future test_applyChanges_change() {
-    SourcesChangedListener listener = new SourcesChangedListener();
-    _context.onSourcesChanged.listen(listener.onData);
-    expect(_context.sourcesNeedingProcessing.isEmpty, isTrue);
-    Source source =
-        new FileBasedSource(FileUtilities2.createFile("/test.dart"));
-    ChangeSet changeSet1 = new ChangeSet();
-    changeSet1.addedSource(source);
-    _context.applyChanges(changeSet1);
-    expect(_context.sourcesNeedingProcessing.contains(source), isTrue);
-    Source source2 =
-        new FileBasedSource(FileUtilities2.createFile("/test2.dart"));
-    ChangeSet changeSet2 = new ChangeSet();
-    changeSet2.addedSource(source2);
-    changeSet2.changedSource(source);
-    _context.applyChanges(changeSet2);
-    return pumpEventQueue().then((_) {
-      listener.assertEvent(wereSourcesAdded: true);
-      listener.assertEvent(wereSourcesAdded: true, changedSources: [source]);
-      listener.assertNoMoreEvents();
-    });
-  }
-
-  Future test_applyChanges_change_content() {
-    SourcesChangedListener listener = new SourcesChangedListener();
-    _context.onSourcesChanged.listen(listener.onData);
-    expect(_context.sourcesNeedingProcessing.isEmpty, isTrue);
-    Source source =
-        new FileBasedSource(FileUtilities2.createFile("/test.dart"));
-    ChangeSet changeSet1 = new ChangeSet();
-    changeSet1.addedSource(source);
-    _context.applyChanges(changeSet1);
-    expect(_context.sourcesNeedingProcessing.contains(source), isTrue);
-    Source source2 =
-        new FileBasedSource(FileUtilities2.createFile("/test2.dart"));
-    ChangeSet changeSet2 = new ChangeSet();
-    changeSet2.addedSource(source2);
-    changeSet2.changedContent(source, 'library test;');
-    _context.applyChanges(changeSet2);
-    return pumpEventQueue().then((_) {
-      listener.assertEvent(wereSourcesAdded: true);
-      listener.assertEvent(wereSourcesAdded: true, changedSources: [source]);
-      listener.assertNoMoreEvents();
-    });
-  }
-
-  void test_applyChanges_change_flush_element() {
-    _context = AnalysisContextFactory.oldContextWithCore();
-    _sourceFactory = _context.sourceFactory;
-    Source librarySource = _addSource(
-        "/lib.dart",
-        r'''
-library lib;
-int a = 0;''');
-    expect(_context.computeLibraryElement(librarySource), isNotNull);
-    _context.setContents(
-        librarySource,
-        r'''
-library lib;
-int aa = 0;''');
-    expect(_context.getLibraryElement(librarySource), isNull);
-  }
-
-  Future test_applyChanges_change_multiple() {
-    _context = AnalysisContextFactory.oldContextWithCore();
-    SourcesChangedListener listener = new SourcesChangedListener();
-    _context.onSourcesChanged.listen(listener.onData);
-    _sourceFactory = _context.sourceFactory;
-    String libraryContents1 = r'''
-library lib;
-part 'part.dart';
-int a = 0;''';
-    Source librarySource = _addSource("/lib.dart", libraryContents1);
-    String partContents1 = r'''
-part of lib;
-int b = a;''';
-    Source partSource = _addSource("/part.dart", partContents1);
-    _context.computeLibraryElement(librarySource);
-    String libraryContents2 = r'''
-library lib;
-part 'part.dart';
-int aa = 0;''';
-    _context.setContents(librarySource, libraryContents2);
-    String partContents2 = r'''
-part of lib;
-int b = aa;''';
-    _context.setContents(partSource, partContents2);
-    _context.computeLibraryElement(librarySource);
-    CompilationUnit libraryUnit =
-        _context.resolveCompilationUnit2(librarySource, librarySource);
-    CompilationUnit partUnit =
-        _context.resolveCompilationUnit2(partSource, librarySource);
-    TopLevelVariableDeclaration declaration =
-        libraryUnit.declarations[0] as TopLevelVariableDeclaration;
-    Element declarationElement = declaration.variables.variables[0].element;
-    TopLevelVariableDeclaration use =
-        partUnit.declarations[0] as TopLevelVariableDeclaration;
-    Element useElement = (use.variables.variables[0].initializer
-        as SimpleIdentifier).staticElement;
-    expect((useElement as PropertyAccessorElement).variable,
-        same(declarationElement));
-    return pumpEventQueue().then((_) {
-      listener.assertEvent(wereSourcesAdded: true);
-      listener.assertEvent(changedSources: [librarySource]);
-      listener.assertEvent(wereSourcesAdded: true);
-      listener.assertEvent(changedSources: [partSource]);
-      listener.assertEvent(changedSources: [librarySource]);
-      listener.assertEvent(changedSources: [partSource]);
-      listener.assertNoMoreEvents();
-    });
-  }
-
-  Future test_applyChanges_change_range() {
-    SourcesChangedListener listener = new SourcesChangedListener();
-    _context.onSourcesChanged.listen(listener.onData);
-    expect(_context.sourcesNeedingProcessing.isEmpty, isTrue);
-    Source source =
-        new FileBasedSource(FileUtilities2.createFile("/test.dart"));
-    ChangeSet changeSet1 = new ChangeSet();
-    changeSet1.addedSource(source);
-    _context.applyChanges(changeSet1);
-    expect(_context.sourcesNeedingProcessing.contains(source), isTrue);
-    Source source2 =
-        new FileBasedSource(FileUtilities2.createFile("/test2.dart"));
-    ChangeSet changeSet2 = new ChangeSet();
-    changeSet2.addedSource(source2);
-    changeSet2.changedRange(source, 'library test;', 0, 0, 13);
-    _context.applyChanges(changeSet2);
-    return pumpEventQueue().then((_) {
-      listener.assertEvent(wereSourcesAdded: true);
-      listener.assertEvent(wereSourcesAdded: true, changedSources: [source]);
-      listener.assertNoMoreEvents();
-    });
-  }
-
-  void test_applyChanges_empty() {
-    _context.applyChanges(new ChangeSet());
-    expect(_context.performAnalysisTask().changeNotices, isNull);
-  }
-
-  void test_applyChanges_overriddenSource() {
-    // Note: addSource adds the source to the contentCache.
-    Source source = _addSource("/test.dart", "library test;");
-    _context.computeErrors(source);
-    while (!_context.sourcesNeedingProcessing.isEmpty) {
-      _context.performAnalysisTask();
-    }
-    // Adding the source as a changedSource should have no effect since
-    // it is already overridden in the content cache.
-    ChangeSet changeSet = new ChangeSet();
-    changeSet.changedSource(source);
-    _context.applyChanges(changeSet);
-    expect(_context.sourcesNeedingProcessing, hasLength(0));
-  }
-
-  Future test_applyChanges_remove() {
-    _context = AnalysisContextFactory.oldContextWithCore();
-    SourcesChangedListener listener = new SourcesChangedListener();
-    _context.onSourcesChanged.listen(listener.onData);
-    _sourceFactory = _context.sourceFactory;
-    String libAContents = r'''
-library libA;
-import 'libB.dart';''';
-    Source libA = _addSource("/libA.dart", libAContents);
-    String libBContents = "library libB;";
-    Source libB = _addSource("/libB.dart", libBContents);
-    LibraryElement libAElement = _context.computeLibraryElement(libA);
-    List<LibraryElement> importedLibraries = libAElement.importedLibraries;
-    expect(importedLibraries, hasLength(2));
-    _context.computeErrors(libA);
-    _context.computeErrors(libB);
-    expect(_context.sourcesNeedingProcessing, hasLength(0));
-    _context.setContents(libB, null);
-    _removeSource(libB);
-    List<Source> sources = _context.sourcesNeedingProcessing;
-    expect(sources, hasLength(1));
-    expect(sources[0], same(libA));
-    libAElement = _context.computeLibraryElement(libA);
-    importedLibraries = libAElement.importedLibraries;
-    expect(importedLibraries, hasLength(1));
-    return pumpEventQueue().then((_) {
-      listener.assertEvent(wereSourcesAdded: true);
-      listener.assertEvent(changedSources: [libA]);
-      listener.assertEvent(wereSourcesAdded: true);
-      listener.assertEvent(changedSources: [libB]);
-      listener.assertEvent(changedSources: [libB]);
-      listener.assertEvent(wereSourcesRemovedOrDeleted: true);
-      listener.assertNoMoreEvents();
-    });
-  }
-
-  /**
-   * IDEA uses the following scenario:
-   * 1. Add overlay.
-   * 2. Change overlay.
-   * 3. If the contents of the document buffer is the same as the contents
-   *    of the file, remove overlay.
-   * So, we need to try to use incremental resolution for removing overlays too.
-   */
-  void test_applyChanges_remove_incremental() {
-    MemoryResourceProvider resourceProvider = new MemoryResourceProvider();
-    Source source = resourceProvider
-        .newFile(
-            '/test.dart',
-            r'''
-main() {
-  print(1);
-}
-''')
-        .createSource();
-    _context = AnalysisContextFactory.oldContextWithCore();
-    _context.analysisOptions = new AnalysisOptionsImpl()..incremental = true;
-    _context.applyChanges(new ChangeSet()..addedSource(source));
-    // remember compilation unit
-    _analyzeAll_assertFinished();
-    CompilationUnit unit = _context.getResolvedCompilationUnit2(source, source);
-    // add overlay
-    _context.setContents(
-        source,
-        r'''
-main() {
-  print(12);
-}
-''');
-    _analyzeAll_assertFinished();
-    expect(_context.getResolvedCompilationUnit2(source, source), unit);
-    // remove overlay
-    _context.setContents(source, null);
-    _context.validateCacheConsistency();
-    _analyzeAll_assertFinished();
-    expect(_context.getResolvedCompilationUnit2(source, source), unit);
-  }
-
-  Future test_applyChanges_removeContainer() {
-    _context = AnalysisContextFactory.oldContextWithCore();
-    SourcesChangedListener listener = new SourcesChangedListener();
-    _context.onSourcesChanged.listen(listener.onData);
-    _sourceFactory = _context.sourceFactory;
-    String libAContents = r'''
-library libA;
-import 'libB.dart';''';
-    Source libA = _addSource("/libA.dart", libAContents);
-    String libBContents = "library libB;";
-    Source libB = _addSource("/libB.dart", libBContents);
-    _context.computeLibraryElement(libA);
-    _context.computeErrors(libA);
-    _context.computeErrors(libB);
-    expect(_context.sourcesNeedingProcessing, hasLength(0));
-    ChangeSet changeSet = new ChangeSet();
-    SourceContainer removedContainer =
-        new _AnalysisContextImplTest_test_applyChanges_removeContainer(libB);
-    changeSet.removedContainer(removedContainer);
-    _context.applyChanges(changeSet);
-    List<Source> sources = _context.sourcesNeedingProcessing;
-    expect(sources, hasLength(1));
-    expect(sources[0], same(libA));
-    return pumpEventQueue().then((_) {
-      listener.assertEvent(wereSourcesAdded: true);
-      listener.assertEvent(changedSources: [libA]);
-      listener.assertEvent(wereSourcesAdded: true);
-      listener.assertEvent(changedSources: [libB]);
-      listener.assertEvent(wereSourcesRemovedOrDeleted: true);
-      listener.assertNoMoreEvents();
-    });
-  }
-
-  void test_computeDocumentationComment_block() {
-    _context = AnalysisContextFactory.oldContextWithCore();
-    _sourceFactory = _context.sourceFactory;
-    String comment = "/** Comment */";
-    Source source = _addSource(
-        "/test.dart",
-        """
-$comment
-class A {}""");
-    LibraryElement libraryElement = _context.computeLibraryElement(source);
-    expect(libraryElement, isNotNull);
-    ClassElement classElement = libraryElement.definingCompilationUnit.types[0];
-    expect(libraryElement, isNotNull);
-    expect(_context.computeDocumentationComment(classElement), comment);
-  }
-
-  void test_computeDocumentationComment_none() {
-    _context = AnalysisContextFactory.oldContextWithCore();
-    _sourceFactory = _context.sourceFactory;
-    Source source = _addSource("/test.dart", "class A {}");
-    LibraryElement libraryElement = _context.computeLibraryElement(source);
-    expect(libraryElement, isNotNull);
-    ClassElement classElement = libraryElement.definingCompilationUnit.types[0];
-    expect(libraryElement, isNotNull);
-    expect(_context.computeDocumentationComment(classElement), isNull);
-  }
-
-  void test_computeDocumentationComment_null() {
-    expect(_context.computeDocumentationComment(null), isNull);
-  }
-
-  void test_computeDocumentationComment_singleLine_multiple_EOL_n() {
-    _context = AnalysisContextFactory.oldContextWithCore();
-    _sourceFactory = _context.sourceFactory;
-    String comment = "/// line 1\n/// line 2\n/// line 3\n";
-    Source source = _addSource("/test.dart", "${comment}class A {}");
-    LibraryElement libraryElement = _context.computeLibraryElement(source);
-    expect(libraryElement, isNotNull);
-    ClassElement classElement = libraryElement.definingCompilationUnit.types[0];
-    expect(libraryElement, isNotNull);
-    String actual = _context.computeDocumentationComment(classElement);
-    expect(actual, "/// line 1\n/// line 2\n/// line 3");
-  }
-
-  void test_computeDocumentationComment_singleLine_multiple_EOL_rn() {
-    _context = AnalysisContextFactory.oldContextWithCore();
-    _sourceFactory = _context.sourceFactory;
-    String comment = "/// line 1\r\n/// line 2\r\n/// line 3\r\n";
-    Source source = _addSource("/test.dart", "${comment}class A {}");
-    LibraryElement libraryElement = _context.computeLibraryElement(source);
-    expect(libraryElement, isNotNull);
-    ClassElement classElement = libraryElement.definingCompilationUnit.types[0];
-    expect(libraryElement, isNotNull);
-    String actual = _context.computeDocumentationComment(classElement);
-    expect(actual, "/// line 1\n/// line 2\n/// line 3");
-  }
-
-  void test_computeErrors_dart_none() {
-    Source source = _addSource("/lib.dart", "library lib;");
-    List<AnalysisError> errors = _context.computeErrors(source);
-    expect(errors, hasLength(0));
-  }
-
-  void test_computeErrors_dart_part() {
-    Source librarySource =
-        _addSource("/lib.dart", "library lib; part 'part.dart';");
-    Source partSource = _addSource("/part.dart", "part of 'lib';");
-    _context.parseCompilationUnit(librarySource);
-    List<AnalysisError> errors = _context.computeErrors(partSource);
-    expect(errors, isNotNull);
-    expect(errors.length > 0, isTrue);
-  }
-
-  void test_computeErrors_dart_some() {
-    Source source = _addSource("/lib.dart", "library 'lib';");
-    List<AnalysisError> errors = _context.computeErrors(source);
-    expect(errors, isNotNull);
-    expect(errors.length > 0, isTrue);
-  }
-
-  void test_computeErrors_html_none() {
-    Source source = _addSource("/test.html", "<html></html>");
-    List<AnalysisError> errors = _context.computeErrors(source);
-    expect(errors, hasLength(0));
-  }
-
-  void test_computeExportedLibraries_none() {
-    Source source = _addSource("/test.dart", "library test;");
-    expect(_context.computeExportedLibraries(source), hasLength(0));
-  }
-
-  void test_computeExportedLibraries_some() {
-    //    addSource("/lib1.dart", "library lib1;");
-    //    addSource("/lib2.dart", "library lib2;");
-    Source source = _addSource(
-        "/test.dart", "library test; export 'lib1.dart'; export 'lib2.dart';");
-    expect(_context.computeExportedLibraries(source), hasLength(2));
-  }
-
-  void test_computeHtmlElement_nonHtml() {
-    Source source = _addSource("/test.dart", "library test;");
-    expect(_context.computeHtmlElement(source), isNull);
-  }
-
-  void test_computeHtmlElement_valid() {
-    Source source = _addSource("/test.html", "<html></html>");
-    HtmlElement element = _context.computeHtmlElement(source);
-    expect(element, isNotNull);
-    expect(_context.computeHtmlElement(source), same(element));
-  }
-
-  void test_computeImportedLibraries_none() {
-    Source source = _addSource("/test.dart", "library test;");
-    expect(_context.computeImportedLibraries(source), hasLength(0));
-  }
-
-  void test_computeImportedLibraries_some() {
-    //    addSource("/lib1.dart", "library lib1;");
-    //    addSource("/lib2.dart", "library lib2;");
-    Source source = _addSource(
-        "/test.dart", "library test; import 'lib1.dart'; import 'lib2.dart';");
-    expect(_context.computeImportedLibraries(source), hasLength(2));
-  }
-
-  void test_computeKindOf_html() {
-    Source source = _addSource("/test.html", "");
-    expect(_context.computeKindOf(source), same(SourceKind.HTML));
-  }
-
-  void test_computeKindOf_library() {
-    Source source = _addSource("/test.dart", "library lib;");
-    expect(_context.computeKindOf(source), same(SourceKind.LIBRARY));
-  }
-
-  void test_computeKindOf_libraryAndPart() {
-    Source source = _addSource("/test.dart", "library lib; part of lib;");
-    expect(_context.computeKindOf(source), same(SourceKind.LIBRARY));
-  }
-
-  void test_computeKindOf_part() {
-    Source source = _addSource("/test.dart", "part of lib;");
-    expect(_context.computeKindOf(source), same(SourceKind.PART));
-  }
-
-  void test_computeLibraryElement() {
-    _context = AnalysisContextFactory.oldContextWithCore();
-    _sourceFactory = _context.sourceFactory;
-    Source source = _addSource("/test.dart", "library lib;");
-    LibraryElement element = _context.computeLibraryElement(source);
-    expect(element, isNotNull);
-  }
-
-  void test_computeLineInfo_dart() {
-    Source source = _addSource(
-        "/test.dart",
-        r'''
-library lib;
-
-main() {}''');
-    LineInfo info = _context.computeLineInfo(source);
-    expect(info, isNotNull);
-  }
-
-  void test_computeLineInfo_html() {
-    Source source = _addSource(
-        "/test.html",
-        r'''
-<html>
-  <body>
-    <h1>A</h1>
-  </body>
-</html>''');
-    LineInfo info = _context.computeLineInfo(source);
-    expect(info, isNotNull);
-  }
-
-  void test_computeResolvableCompilationUnit_dart_exception() {
-    TestSource source = _addSourceWithException("/test.dart");
-    try {
-      _context.computeResolvableCompilationUnit(source);
-      fail("Expected AnalysisException");
-    } on AnalysisException {
-      // Expected
-    }
-  }
-
-  void test_computeResolvableCompilationUnit_html_exception() {
-    Source source = _addSource("/lib.html", "<html></html>");
-    try {
-      _context.computeResolvableCompilationUnit(source);
-      fail("Expected AnalysisException");
-    } on AnalysisException {
-      // Expected
-    }
-  }
-
-  void test_computeResolvableCompilationUnit_valid() {
-    Source source = _addSource("/lib.dart", "library lib;");
-    CompilationUnit parsedUnit = _context.parseCompilationUnit(source);
-    expect(parsedUnit, isNotNull);
-    CompilationUnit resolvedUnit =
-        _context.computeResolvableCompilationUnit(source);
-    expect(resolvedUnit, isNotNull);
-    expect(resolvedUnit, same(parsedUnit));
-  }
-
-  Future test_computeResolvedCompilationUnitAsync() {
-    _context = AnalysisContextFactory.oldContextWithCore();
-    _sourceFactory = _context.sourceFactory;
-    Source source = _addSource("/lib.dart", "library lib;");
-    // Complete all pending analysis tasks and flush the AST so that it won't
-    // be available immediately.
-    _performPendingAnalysisTasks();
-    DartEntry dartEntry = _context.getReadableSourceEntryOrNull(source);
-    dartEntry.flushAstStructures();
-    bool completed = false;
-    _context
-        .computeResolvedCompilationUnitAsync(source, source)
-        .then((CompilationUnit unit) {
-      expect(unit, isNotNull);
-      completed = true;
-    });
-    return pumpEventQueue().then((_) {
-      expect(completed, isFalse);
-      _performPendingAnalysisTasks();
-    }).then((_) => pumpEventQueue()).then((_) {
-      expect(completed, isTrue);
-    });
-  }
-
-  Future test_computeResolvedCompilationUnitAsync_afterDispose() {
-    _context = AnalysisContextFactory.oldContextWithCore();
-    _sourceFactory = _context.sourceFactory;
-    Source source = _addSource("/lib.dart", "library lib;");
-    // Complete all pending analysis tasks and flush the AST so that it won't
-    // be available immediately.
-    _performPendingAnalysisTasks();
-    DartEntry dartEntry = _context.getReadableSourceEntryOrNull(source);
-    dartEntry.flushAstStructures();
-    // Dispose of the context.
-    _context.dispose();
-    // Any attempt to start an asynchronous computation should return a future
-    // which completes with error.
-    CancelableFuture<CompilationUnit> future =
-        _context.computeResolvedCompilationUnitAsync(source, source);
-    bool completed = false;
-    future.then((CompilationUnit unit) {
-      fail('Future should have completed with error');
-    }, onError: (error) {
-      expect(error, new isInstanceOf<AnalysisNotScheduledError>());
-      completed = true;
-    });
-    return pumpEventQueue().then((_) {
-      expect(completed, isTrue);
-    });
-  }
-
-  Future test_computeResolvedCompilationUnitAsync_cancel() {
-    _context = AnalysisContextFactory.oldContextWithCore();
-    _sourceFactory = _context.sourceFactory;
-    Source source = _addSource("/lib.dart", "library lib;");
-    // Complete all pending analysis tasks and flush the AST so that it won't
-    // be available immediately.
-    _performPendingAnalysisTasks();
-    DartEntry dartEntry = _context.getReadableSourceEntryOrNull(source);
-    dartEntry.flushAstStructures();
-    CancelableFuture<CompilationUnit> future =
-        _context.computeResolvedCompilationUnitAsync(source, source);
-    bool completed = false;
-    future.then((CompilationUnit unit) {
-      fail('Future should have been canceled');
-    }, onError: (error) {
-      expect(error, new isInstanceOf<FutureCanceledError>());
-      completed = true;
-    });
-    expect(completed, isFalse);
-    expect(_context.pendingFutureSources_forTesting, isNotEmpty);
-    future.cancel();
-    expect(_context.pendingFutureSources_forTesting, isEmpty);
-    return pumpEventQueue().then((_) {
-      expect(completed, isTrue);
-      expect(_context.pendingFutureSources_forTesting, isEmpty);
-    });
-  }
-
-  Future test_computeResolvedCompilationUnitAsync_dispose() {
-    _context = AnalysisContextFactory.oldContextWithCore();
-    _sourceFactory = _context.sourceFactory;
-    Source source = _addSource("/lib.dart", "library lib;");
-    // Complete all pending analysis tasks and flush the AST so that it won't
-    // be available immediately.
-    _performPendingAnalysisTasks();
-    DartEntry dartEntry = _context.getReadableSourceEntryOrNull(source);
-    dartEntry.flushAstStructures();
-    CancelableFuture<CompilationUnit> future =
-        _context.computeResolvedCompilationUnitAsync(source, source);
-    bool completed = false;
-    future.then((CompilationUnit unit) {
-      fail('Future should have completed with error');
-    }, onError: (error) {
-      expect(error, new isInstanceOf<AnalysisNotScheduledError>());
-      completed = true;
-    });
-    expect(completed, isFalse);
-    expect(_context.pendingFutureSources_forTesting, isNotEmpty);
-    // Disposing of the context should cause all pending futures to complete
-    // with AnalysisNotScheduled, so that no clients are left hanging.
-    _context.dispose();
-    expect(_context.pendingFutureSources_forTesting, isEmpty);
-    return pumpEventQueue().then((_) {
-      expect(completed, isTrue);
-      expect(_context.pendingFutureSources_forTesting, isEmpty);
-    });
-  }
-
-  Future test_computeResolvedCompilationUnitAsync_unrelatedLibrary() {
-    _context = AnalysisContextFactory.oldContextWithCore();
-    _sourceFactory = _context.sourceFactory;
-    Source librarySource = _addSource("/lib.dart", "library lib;");
-    Source partSource = _addSource("/part.dart", "part of foo;");
-    bool completed = false;
-    _context
-        .computeResolvedCompilationUnitAsync(partSource, librarySource)
-        .then((_) {
-      fail('Expected resolution to fail');
-    }, onError: (e) {
-      expect(e, new isInstanceOf<AnalysisNotScheduledError>());
-      completed = true;
-    });
-    return pumpEventQueue().then((_) {
-      expect(completed, isFalse);
-      _performPendingAnalysisTasks();
-    }).then((_) => pumpEventQueue()).then((_) {
-      expect(completed, isTrue);
-    });
-  }
-
-  void test_configurationData() {
-    var key = new newContext.ResultDescriptor('test_key', '');
-    var testData = ['test', 'data'];
-    _context.setConfigurationData(key, testData);
-    expect(_context.getConfigurationData(key), testData);
-    var unusedKey = new newContext.ResultDescriptor('unused_key', '');
-    expect(_context.getConfigurationData(unusedKey), null);
-  }
-
-  void test_dispose() {
-    expect(_context.isDisposed, isFalse);
-    _context.dispose();
-    expect(_context.isDisposed, isTrue);
-  }
-
-  void test_exists_false() {
-    TestSource source = new TestSource();
-    source.exists2 = false;
-    expect(_context.exists(source), isFalse);
-  }
-
-  void test_exists_null() {
-    expect(_context.exists(null), isFalse);
-  }
-
-  void test_exists_overridden() {
-    Source source = new TestSource();
-    _context.setContents(source, "");
-    expect(_context.exists(source), isTrue);
-  }
-
-  void test_exists_true() {
-    expect(_context.exists(new AnalysisContextImplTest_Source_exists_true()),
-        isTrue);
-  }
-
-  void test_getAnalysisOptions() {
-    expect(_context.analysisOptions, isNotNull);
-  }
-
-  void test_getContents_fromSource() {
-    String content = "library lib;";
-    TimestampedData<String> contents =
-        _context.getContents(new TestSource('/test.dart', content));
-    expect(contents.data.toString(), content);
-  }
-
-  void test_getContents_overridden() {
-    String content = "library lib;";
-    Source source = new TestSource();
-    _context.setContents(source, content);
-    TimestampedData<String> contents = _context.getContents(source);
-    expect(contents.data.toString(), content);
-  }
-
-  void test_getContents_unoverridden() {
-    String content = "library lib;";
-    Source source = new TestSource('/test.dart', content);
-    _context.setContents(source, "part of lib;");
-    _context.setContents(source, null);
-    TimestampedData<String> contents = _context.getContents(source);
-    expect(contents.data.toString(), content);
-  }
-
-  void test_getDeclaredVariables() {
-    _context = AnalysisContextFactory.oldContextWithCore();
-    expect(_context.declaredVariables, isNotNull);
-  }
-
-  void test_getElement() {
-    _context = AnalysisContextFactory.oldContextWithCore();
-    _sourceFactory = _context.sourceFactory;
-    LibraryElement core =
-        _context.computeLibraryElement(_sourceFactory.forUri("dart:core"));
-    expect(core, isNotNull);
-    ClassElement classObject =
-        _findClass(core.definingCompilationUnit, "Object");
-    expect(classObject, isNotNull);
-    ElementLocation location = classObject.location;
-    Element element = _context.getElement(location);
-    expect(element, same(classObject));
-  }
-
-  void test_getElement_constructor_named() {
-    Source source = _addSource(
-        "/lib.dart",
-        r'''
-class A {
-  A.named() {}
-}''');
-    _analyzeAll_assertFinished();
-    LibraryElement library = _context.computeLibraryElement(source);
-    ClassElement classA = _findClass(library.definingCompilationUnit, "A");
-    ConstructorElement constructor = classA.constructors[0];
-    ElementLocation location = constructor.location;
-    Element element = _context.getElement(location);
-    expect(element, same(constructor));
-  }
-
-  void test_getElement_constructor_unnamed() {
-    Source source = _addSource(
-        "/lib.dart",
-        r'''
-class A {
-  A() {}
-}''');
-    _analyzeAll_assertFinished();
-    LibraryElement library = _context.computeLibraryElement(source);
-    ClassElement classA = _findClass(library.definingCompilationUnit, "A");
-    ConstructorElement constructor = classA.constructors[0];
-    ElementLocation location = constructor.location;
-    Element element = _context.getElement(location);
-    expect(element, same(constructor));
-  }
-
-  void test_getElement_enum() {
-    Source source = _addSource('/test.dart', 'enum MyEnum {A, B, C}');
-    _analyzeAll_assertFinished();
-    LibraryElement library = _context.computeLibraryElement(source);
-    ClassElement myEnum = library.definingCompilationUnit.getEnum('MyEnum');
-    ElementLocation location = myEnum.location;
-    Element element = _context.getElement(location);
-    expect(element, same(myEnum));
-  }
-
-  void test_getErrors_dart_none() {
-    Source source = _addSource("/lib.dart", "library lib;");
-    List<AnalysisError> errors = _context.getErrors(source).errors;
-    expect(errors, hasLength(0));
-    _context.computeErrors(source);
-    errors = _context.getErrors(source).errors;
-    expect(errors, hasLength(0));
-  }
-
-  void test_getErrors_dart_some() {
-    Source source = _addSource("/lib.dart", "library 'lib';");
-    List<AnalysisError> errors = _context.getErrors(source).errors;
-    expect(errors, hasLength(0));
-    _context.computeErrors(source);
-    errors = _context.getErrors(source).errors;
-    expect(errors, hasLength(1));
-  }
-
-  void test_getErrors_html_none() {
-    Source source = _addSource("/test.html", "<html></html>");
-    List<AnalysisError> errors = _context.getErrors(source).errors;
-    expect(errors, hasLength(0));
-    _context.computeErrors(source);
-    errors = _context.getErrors(source).errors;
-    expect(errors, hasLength(0));
-  }
-
-  void test_getErrors_html_some() {
-    Source source = _addSource(
-        "/test.html",
-        r'''
-<html><head>
-<script type='application/dart' src='test.dart'/>
-</head></html>''');
-    List<AnalysisError> errors = _context.getErrors(source).errors;
-    expect(errors, hasLength(0));
-    _context.computeErrors(source);
-    errors = _context.getErrors(source).errors;
-    expect(errors, hasLength(1));
-  }
-
-  void test_getHtmlElement_dart() {
-    Source source = _addSource("/test.dart", "");
-    expect(_context.getHtmlElement(source), isNull);
-    expect(_context.computeHtmlElement(source), isNull);
-    expect(_context.getHtmlElement(source), isNull);
-  }
-
-  void test_getHtmlElement_html() {
-    Source source = _addSource("/test.html", "<html></html>");
-    HtmlElement element = _context.getHtmlElement(source);
-    expect(element, isNull);
-    _context.computeHtmlElement(source);
-    element = _context.getHtmlElement(source);
-    expect(element, isNotNull);
-  }
-
-  void test_getHtmlFilesReferencing_html() {
-    _context = AnalysisContextFactory.oldContextWithCore();
-    _sourceFactory = _context.sourceFactory;
-    Source htmlSource = _addSource(
-        "/test.html",
-        r'''
-<html><head>
-<script type='application/dart' src='test.dart'/>
-<script type='application/dart' src='test.js'/>
-</head></html>''');
-    Source librarySource = _addSource("/test.dart", "library lib;");
-    Source secondHtmlSource = _addSource("/test.html", "<html></html>");
-    _context.computeLibraryElement(librarySource);
-    List<Source> result = _context.getHtmlFilesReferencing(secondHtmlSource);
-    expect(result, hasLength(0));
-    _context.parseHtmlUnit(htmlSource);
-    result = _context.getHtmlFilesReferencing(secondHtmlSource);
-    expect(result, hasLength(0));
-  }
-
-  void test_getHtmlFilesReferencing_library() {
-    Source htmlSource = _addSource(
-        "/test.html",
-        r'''
-<html><head>
-<script type='application/dart' src='test.dart'/>
-<script type='application/dart' src='test.js'/>
-</head></html>''');
-    Source librarySource = _addSource("/test.dart", "library lib;");
-    List<Source> result = _context.getHtmlFilesReferencing(librarySource);
-    expect(result, hasLength(0));
-    _context.parseHtmlUnit(htmlSource);
-    result = _context.getHtmlFilesReferencing(librarySource);
-    expect(result, hasLength(1));
-    expect(result[0], htmlSource);
-  }
-
-  void test_getHtmlFilesReferencing_part() {
-    _context = AnalysisContextFactory.oldContextWithCore();
-    _sourceFactory = _context.sourceFactory;
-    Source htmlSource = _addSource(
-        "/test.html",
-        r'''
-<html><head>
-<script type='application/dart' src='test.dart'/>
-<script type='application/dart' src='test.js'/>
-</head></html>''');
-    Source librarySource =
-        _addSource("/test.dart", "library lib; part 'part.dart';");
-    Source partSource = _addSource("/part.dart", "part of lib;");
-    _context.computeLibraryElement(librarySource);
-    List<Source> result = _context.getHtmlFilesReferencing(partSource);
-    expect(result, hasLength(0));
-    _context.parseHtmlUnit(htmlSource);
-    result = _context.getHtmlFilesReferencing(partSource);
-    expect(result, hasLength(1));
-    expect(result[0], htmlSource);
-  }
-
-  void test_getHtmlSources() {
-    List<Source> sources = _context.htmlSources;
-    expect(sources, hasLength(0));
-    Source source = _addSource("/test.html", "");
-    _context.computeKindOf(source);
-    sources = _context.htmlSources;
-    expect(sources, hasLength(1));
-    expect(sources[0], source);
-  }
-
-  void test_getKindOf_html() {
-    Source source = _addSource("/test.html", "");
-    expect(_context.getKindOf(source), same(SourceKind.HTML));
-  }
-
-  void test_getKindOf_library() {
-    Source source = _addSource("/test.dart", "library lib;");
-    expect(_context.getKindOf(source), same(SourceKind.UNKNOWN));
-    _context.computeKindOf(source);
-    expect(_context.getKindOf(source), same(SourceKind.LIBRARY));
-  }
-
-  void test_getKindOf_part() {
-    Source source = _addSource("/test.dart", "part of lib;");
-    expect(_context.getKindOf(source), same(SourceKind.UNKNOWN));
-    _context.computeKindOf(source);
-    expect(_context.getKindOf(source), same(SourceKind.PART));
-  }
-
-  void test_getKindOf_unknown() {
-    Source source = _addSource("/test.css", "");
-    expect(_context.getKindOf(source), same(SourceKind.UNKNOWN));
-  }
-
-  void test_getLaunchableClientLibrarySources() {
-    _context = AnalysisContextFactory.oldContextWithCore();
-    _sourceFactory = _context.sourceFactory;
-    List<Source> sources = _context.launchableClientLibrarySources;
-    expect(sources, hasLength(0));
-    Source source = _addSource(
-        "/test.dart",
-        r'''
-import 'dart:html';
-main() {}''');
-    _context.computeLibraryElement(source);
-    sources = _context.launchableClientLibrarySources;
-    expect(sources, hasLength(1));
-  }
-
-  void test_getLaunchableServerLibrarySources() {
-    _context = AnalysisContextFactory.oldContextWithCore();
-    _sourceFactory = _context.sourceFactory;
-    List<Source> sources = _context.launchableServerLibrarySources;
-    expect(sources, hasLength(0));
-    Source source = _addSource("/test.dart", "main() {}");
-    _context.computeLibraryElement(source);
-    sources = _context.launchableServerLibrarySources;
-    expect(sources, hasLength(1));
-  }
-
-  void test_getLibrariesContaining() {
-    _context = AnalysisContextFactory.oldContextWithCore();
-    _sourceFactory = _context.sourceFactory;
-    Source librarySource = _addSource(
-        "/lib.dart",
-        r'''
-library lib;
-part 'part.dart';''');
-    Source partSource = _addSource("/part.dart", "part of lib;");
-    _context.computeLibraryElement(librarySource);
-    List<Source> result = _context.getLibrariesContaining(librarySource);
-    expect(result, hasLength(1));
-    expect(result[0], librarySource);
-    result = _context.getLibrariesContaining(partSource);
-    expect(result, hasLength(1));
-    expect(result[0], librarySource);
-  }
-
-  void test_getLibrariesDependingOn() {
-    _context = AnalysisContextFactory.oldContextWithCore();
-    _sourceFactory = _context.sourceFactory;
-    Source libASource = _addSource("/libA.dart", "library libA;");
-    _addSource("/libB.dart", "library libB;");
-    Source lib1Source = _addSource(
-        "/lib1.dart",
-        r'''
-library lib1;
-import 'libA.dart';
-export 'libB.dart';''');
-    Source lib2Source = _addSource(
-        "/lib2.dart",
-        r'''
-library lib2;
-import 'libB.dart';
-export 'libA.dart';''');
-    _context.computeLibraryElement(lib1Source);
-    _context.computeLibraryElement(lib2Source);
-    List<Source> result = _context.getLibrariesDependingOn(libASource);
-    expect(result, unorderedEquals([lib1Source, lib2Source]));
-  }
-
-  void test_getLibrariesReferencedFromHtml() {
-    _context = AnalysisContextFactory.oldContextWithCore();
-    _sourceFactory = _context.sourceFactory;
-    Source htmlSource = _addSource(
-        "/test.html",
-        r'''
-<html><head>
-<script type='application/dart' src='test.dart'/>
-<script type='application/dart' src='test.js'/>
-</head></html>''');
-    Source librarySource = _addSource("/test.dart", "library lib;");
-    _context.computeLibraryElement(librarySource);
-    _context.parseHtmlUnit(htmlSource);
-    List<Source> result = _context.getLibrariesReferencedFromHtml(htmlSource);
-    expect(result, hasLength(1));
-    expect(result[0], librarySource);
-  }
-
-  void test_getLibrariesReferencedFromHtml_no() {
-    _context = AnalysisContextFactory.oldContextWithCore();
-    _sourceFactory = _context.sourceFactory;
-    Source htmlSource = _addSource(
-        "/test.html",
-        r'''
-<html><head>
-<script type='application/dart' src='test.js'/>
-</head></html>''');
-    _addSource("/test.dart", "library lib;");
-    _context.parseHtmlUnit(htmlSource);
-    List<Source> result = _context.getLibrariesReferencedFromHtml(htmlSource);
-    expect(result, hasLength(0));
-  }
-
-  void test_getLibraryElement() {
-    _context = AnalysisContextFactory.oldContextWithCore();
-    _sourceFactory = _context.sourceFactory;
-    Source source = _addSource("/test.dart", "library lib;");
-    LibraryElement element = _context.getLibraryElement(source);
-    expect(element, isNull);
-    _context.computeLibraryElement(source);
-    element = _context.getLibraryElement(source);
-    expect(element, isNotNull);
-  }
-
-  void test_getLibrarySources() {
-    List<Source> sources = _context.librarySources;
-    int originalLength = sources.length;
-    Source source = _addSource("/test.dart", "library lib;");
-    _context.computeKindOf(source);
-    sources = _context.librarySources;
-    expect(sources, hasLength(originalLength + 1));
-    for (Source returnedSource in sources) {
-      if (returnedSource == source) {
-        return;
-      }
-    }
-    fail("The added source was not in the list of library sources");
-  }
-
-  void test_getLineInfo() {
-    Source source = _addSource(
-        "/test.dart",
-        r'''
-library lib;
-
-main() {}''');
-    LineInfo info = _context.getLineInfo(source);
-    expect(info, isNull);
-    _context.parseCompilationUnit(source);
-    info = _context.getLineInfo(source);
-    expect(info, isNotNull);
-  }
-
-  void test_getModificationStamp_fromSource() {
-    int stamp = 42;
-    expect(
-        _context.getModificationStamp(
-            new AnalysisContextImplTest_Source_getModificationStamp_fromSource(
-                stamp)),
-        stamp);
-  }
-
-  void test_getModificationStamp_overridden() {
-    int stamp = 42;
-    Source source =
-        new AnalysisContextImplTest_Source_getModificationStamp_overridden(
-            stamp);
-    _context.setContents(source, "");
-    expect(stamp != _context.getModificationStamp(source), isTrue);
-  }
-
-  void test_getPublicNamespace_element() {
-    _context = AnalysisContextFactory.oldContextWithCore();
-    _sourceFactory = _context.sourceFactory;
-    Source source = _addSource("/test.dart", "class A {}");
-    LibraryElement library = _context.computeLibraryElement(source);
-    Namespace namespace = _context.getPublicNamespace(library);
-    expect(namespace, isNotNull);
-    EngineTestCase.assertInstanceOf(
-        (obj) => obj is ClassElement, ClassElement, namespace.get("A"));
-  }
-
-  void test_getResolvedCompilationUnit_library() {
-    _context = AnalysisContextFactory.oldContextWithCore();
-    _sourceFactory = _context.sourceFactory;
-    Source source = _addSource("/lib.dart", "library libb;");
-    LibraryElement library = _context.computeLibraryElement(source);
-    expect(_context.getResolvedCompilationUnit(source, library), isNotNull);
-    _context.setContents(source, "library lib;");
-    expect(_context.getResolvedCompilationUnit(source, library), isNull);
-  }
-
-  void test_getResolvedCompilationUnit_library_null() {
-    _context = AnalysisContextFactory.oldContextWithCore();
-    _sourceFactory = _context.sourceFactory;
-    Source source = _addSource("/lib.dart", "library lib;");
-    expect(_context.getResolvedCompilationUnit(source, null), isNull);
-  }
-
-  void test_getResolvedCompilationUnit_source_dart() {
-    _context = AnalysisContextFactory.oldContextWithCore();
-    _sourceFactory = _context.sourceFactory;
-    Source source = _addSource("/lib.dart", "library lib;");
-    expect(_context.getResolvedCompilationUnit2(source, source), isNull);
-    _context.resolveCompilationUnit2(source, source);
-    expect(_context.getResolvedCompilationUnit2(source, source), isNotNull);
-  }
-
-  void test_getResolvedCompilationUnit_source_html() {
-    _context = AnalysisContextFactory.oldContextWithCore();
-    _sourceFactory = _context.sourceFactory;
-    Source source = _addSource("/test.html", "<html></html>");
-    expect(_context.getResolvedCompilationUnit2(source, source), isNull);
-    expect(_context.resolveCompilationUnit2(source, source), isNull);
-    expect(_context.getResolvedCompilationUnit2(source, source), isNull);
-  }
-
-  void test_getResolvedHtmlUnit() {
-    _context = AnalysisContextFactory.oldContextWithCore();
-    _sourceFactory = _context.sourceFactory;
-    Source source = _addSource("/test.html", "<html></html>");
-    expect(_context.getResolvedHtmlUnit(source), isNull);
-    _context.resolveHtmlUnit(source);
-    expect(_context.getResolvedHtmlUnit(source), isNotNull);
-  }
-
-  void test_getSourceFactory() {
-    expect(_context.sourceFactory, same(_sourceFactory));
-  }
-
-  void test_getSourcesWithFullName() {
-    String filePath = '/foo/lib/file.dart';
-    List<Source> expected = <Source>[];
-    ChangeSet changeSet = new ChangeSet();
-
-    TestSourceWithUri source1 =
-        new TestSourceWithUri(filePath, Uri.parse('file://$filePath'));
-    expected.add(source1);
-    changeSet.addedSource(source1);
-
-    TestSourceWithUri source2 =
-        new TestSourceWithUri(filePath, Uri.parse('package:foo/file.dart'));
-    expected.add(source2);
-    changeSet.addedSource(source2);
-
-    _context.applyChanges(changeSet);
-    expect(
-        _context.getSourcesWithFullName(filePath), unorderedEquals(expected));
-  }
-
-  void test_getStatistics() {
-    AnalysisContextStatistics statistics = _context.statistics;
-    expect(statistics, isNotNull);
-    // The following lines are fragile.
-    // The values depend on the number of libraries in the SDK.
-//    assertLength(0, statistics.getCacheRows());
-//    assertLength(0, statistics.getExceptions());
-//    assertLength(0, statistics.getSources());
-  }
-
-  Future test_implicitAnalysisEvents_added() async {
-    AnalyzedSourcesListener listener = new AnalyzedSourcesListener();
-    _context.implicitAnalysisEvents.listen(listener.onData);
-    //
-    // Create a file that references an file that is not explicitly being
-    // analyzed and fully analyze it. Ensure that the listener is told about
-    // the implicitly analyzed file.
-    //
-    Source sourceA = _addSource('/a.dart', "library a; import 'b.dart';");
-    Source sourceB = _createSource('/b.dart', "library b;");
-    _context.computeErrors(sourceA);
-    await pumpEventQueue();
-    listener.expectAnalyzed(sourceB);
-  }
-
-  void test_isClientLibrary_dart() {
-    _context = AnalysisContextFactory.oldContextWithCore();
-    _sourceFactory = _context.sourceFactory;
-    Source source = _addSource(
-        "/test.dart",
-        r'''
-import 'dart:html';
-
-main() {}''');
-    expect(_context.isClientLibrary(source), isFalse);
-    expect(_context.isServerLibrary(source), isFalse);
-    _context.computeLibraryElement(source);
-    expect(_context.isClientLibrary(source), isTrue);
-    expect(_context.isServerLibrary(source), isFalse);
-  }
-
-  void test_isClientLibrary_html() {
-    Source source = _addSource("/test.html", "<html></html>");
-    expect(_context.isClientLibrary(source), isFalse);
-  }
-
-  void test_isServerLibrary_dart() {
-    _context = AnalysisContextFactory.oldContextWithCore();
-    _sourceFactory = _context.sourceFactory;
-    Source source = _addSource(
-        "/test.dart",
-        r'''
-library lib;
-
-main() {}''');
-    expect(_context.isClientLibrary(source), isFalse);
-    expect(_context.isServerLibrary(source), isFalse);
-    _context.computeLibraryElement(source);
-    expect(_context.isClientLibrary(source), isFalse);
-    expect(_context.isServerLibrary(source), isTrue);
-  }
-
-  void test_isServerLibrary_html() {
-    Source source = _addSource("/test.html", "<html></html>");
-    expect(_context.isServerLibrary(source), isFalse);
-  }
-
-  void test_parseCompilationUnit_errors() {
-    Source source = _addSource("/lib.dart", "library {");
-    CompilationUnit compilationUnit = _context.parseCompilationUnit(source);
-    expect(compilationUnit, isNotNull);
-    List<AnalysisError> errors = _context.getErrors(source).errors;
-    expect(errors, isNotNull);
-    expect(errors.length > 0, isTrue);
-  }
-
-  void test_parseCompilationUnit_exception() {
-    Source source = _addSourceWithException("/test.dart");
-    try {
-      _context.parseCompilationUnit(source);
-      fail("Expected AnalysisException");
-    } on AnalysisException {
-      // Expected
-    }
-  }
-
-  void test_parseCompilationUnit_html() {
-    Source source = _addSource("/test.html", "<html></html>");
-    expect(_context.parseCompilationUnit(source), isNull);
-  }
-
-  void test_parseCompilationUnit_noErrors() {
-    Source source = _addSource("/lib.dart", "library lib;");
-    CompilationUnit compilationUnit = _context.parseCompilationUnit(source);
-    expect(compilationUnit, isNotNull);
-    expect(_context.getErrors(source).errors, hasLength(0));
-  }
-
-  void test_parseCompilationUnit_nonExistentSource() {
-    Source source =
-        new FileBasedSource(FileUtilities2.createFile("/test.dart"));
-    try {
-      _context.parseCompilationUnit(source);
-      fail("Expected AnalysisException because file does not exist");
-    } on AnalysisException {
-      // Expected result
-    }
-  }
-
-  void test_parseHtmlUnit_noErrors() {
-    Source source = _addSource("/lib.html", "<html></html>");
-    ht.HtmlUnit unit = _context.parseHtmlUnit(source);
-    expect(unit, isNotNull);
-  }
-
-  void test_parseHtmlUnit_resolveDirectives() {
-    Source libSource = _addSource(
-        "/lib.dart",
-        r'''
-library lib;
-class ClassA {}''');
-    Source source = _addSource(
-        "/lib.html",
-        r'''
-<html>
-<head>
-  <script type='application/dart'>
-    import 'lib.dart';
-    ClassA v = null;
-  </script>
-</head>
-<body>
-</body>
-</html>''');
-    ht.HtmlUnit unit = _context.parseHtmlUnit(source);
-    // import directive should be resolved
-    ht.XmlTagNode htmlNode = unit.tagNodes[0];
-    ht.XmlTagNode headNode = htmlNode.tagNodes[0];
-    ht.HtmlScriptTagNode scriptNode = headNode.tagNodes[0];
-    CompilationUnit script = scriptNode.script;
-    ImportDirective importNode = script.directives[0] as ImportDirective;
-    expect(importNode.uriContent, isNotNull);
-    expect(importNode.source, libSource);
-  }
-
-  void test_performAnalysisTask_addPart() {
-    Source libSource = _addSource(
-        "/lib.dart",
-        r'''
-library lib;
-part 'part.dart';''');
-    // run all tasks without part
-    _analyzeAll_assertFinished();
-    // add part and run all tasks
-    Source partSource = _addSource(
-        "/part.dart",
-        r'''
-part of lib;
-''');
-    _analyzeAll_assertFinished();
-    // "libSource" should be here
-    List<Source> librariesWithPart =
-        _context.getLibrariesContaining(partSource);
-    expect(librariesWithPart, unorderedEquals([libSource]));
-  }
-
-  void test_performAnalysisTask_changeLibraryContents() {
-    Source libSource =
-        _addSource("/test.dart", "library lib; part 'test-part.dart';");
-    Source partSource = _addSource("/test-part.dart", "part of lib;");
-    _analyzeAll_assertFinished();
-    expect(
-        _context.getResolvedCompilationUnit2(libSource, libSource), isNotNull,
-        reason: "library resolved 1");
-    expect(
-        _context.getResolvedCompilationUnit2(partSource, libSource), isNotNull,
-        reason: "part resolved 1");
-    // update and analyze #1
-    _context.setContents(libSource, "library lib;");
-    expect(_context.getResolvedCompilationUnit2(libSource, libSource), isNull,
-        reason: "library changed 2");
-    expect(_context.getResolvedCompilationUnit2(partSource, libSource), isNull,
-        reason: "part changed 2");
-    _analyzeAll_assertFinished();
-    expect(
-        _context.getResolvedCompilationUnit2(libSource, libSource), isNotNull,
-        reason: "library resolved 2");
-    expect(_context.getResolvedCompilationUnit2(partSource, libSource), isNull,
-        reason: "part resolved 2");
-    // update and analyze #2
-    _context.setContents(libSource, "library lib; part 'test-part.dart';");
-    expect(_context.getResolvedCompilationUnit2(libSource, libSource), isNull,
-        reason: "library changed 3");
-    expect(_context.getResolvedCompilationUnit2(partSource, libSource), isNull,
-        reason: "part changed 3");
-    _analyzeAll_assertFinished();
-    expect(
-        _context.getResolvedCompilationUnit2(libSource, libSource), isNotNull,
-        reason: "library resolved 2");
-    expect(
-        _context.getResolvedCompilationUnit2(partSource, libSource), isNotNull,
-        reason: "part resolved 3");
-  }
-
-  void test_performAnalysisTask_changeLibraryThenPartContents() {
-    Source libSource =
-        _addSource("/test.dart", "library lib; part 'test-part.dart';");
-    Source partSource = _addSource("/test-part.dart", "part of lib;");
-    _analyzeAll_assertFinished();
-    expect(
-        _context.getResolvedCompilationUnit2(libSource, libSource), isNotNull,
-        reason: "library resolved 1");
-    expect(
-        _context.getResolvedCompilationUnit2(partSource, libSource), isNotNull,
-        reason: "part resolved 1");
-    // update and analyze #1
-    _context.setContents(libSource, "library lib;");
-    expect(_context.getResolvedCompilationUnit2(libSource, libSource), isNull,
-        reason: "library changed 2");
-    expect(_context.getResolvedCompilationUnit2(partSource, libSource), isNull,
-        reason: "part changed 2");
-    _analyzeAll_assertFinished();
-    expect(
-        _context.getResolvedCompilationUnit2(libSource, libSource), isNotNull,
-        reason: "library resolved 2");
-    expect(_context.getResolvedCompilationUnit2(partSource, libSource), isNull,
-        reason: "part resolved 2");
-    // update and analyze #2
-    _context.setContents(partSource, "part of lib; // 1");
-    // Assert that changing the part's content does not effect the library
-    // now that it is no longer part of that library
-    expect(
-        _context.getResolvedCompilationUnit2(libSource, libSource), isNotNull,
-        reason: "library changed 3");
-    expect(_context.getResolvedCompilationUnit2(partSource, libSource), isNull,
-        reason: "part changed 3");
-    _analyzeAll_assertFinished();
-    expect(
-        _context.getResolvedCompilationUnit2(libSource, libSource), isNotNull,
-        reason: "library resolved 3");
-    expect(_context.getResolvedCompilationUnit2(partSource, libSource), isNull,
-        reason: "part resolved 3");
-  }
-
-  void test_performAnalysisTask_changePartContents_makeItAPart() {
-    Source libSource = _addSource(
-        "/lib.dart",
-        r'''
-library lib;
-part 'part.dart';
-void f(x) {}''');
-    Source partSource = _addSource("/part.dart", "void g() { f(null); }");
-    _analyzeAll_assertFinished();
-    expect(
-        _context.getResolvedCompilationUnit2(libSource, libSource), isNotNull,
-        reason: "library resolved 1");
-    expect(
-        _context.getResolvedCompilationUnit2(partSource, libSource), isNotNull,
-        reason: "part resolved 1");
-    // update and analyze
-    _context.setContents(
-        partSource,
-        r'''
-part of lib;
-void g() { f(null); }''');
-    expect(_context.getResolvedCompilationUnit2(libSource, libSource), isNull,
-        reason: "library changed 2");
-    expect(_context.getResolvedCompilationUnit2(partSource, libSource), isNull,
-        reason: "part changed 2");
-    _analyzeAll_assertFinished();
-    expect(
-        _context.getResolvedCompilationUnit2(libSource, libSource), isNotNull,
-        reason: "library resolved 2");
-    expect(
-        _context.getResolvedCompilationUnit2(partSource, libSource), isNotNull,
-        reason: "part resolved 2");
-    expect(_context.getErrors(libSource).errors, hasLength(0));
-    expect(_context.getErrors(partSource).errors, hasLength(0));
-  }
-
-  /**
-   * https://code.google.com/p/dart/issues/detail?id=12424
-   */
-  void test_performAnalysisTask_changePartContents_makeItNotPart() {
-    Source libSource = _addSource(
-        "/lib.dart",
-        r'''
-library lib;
-part 'part.dart';
-void f(x) {}''');
-    Source partSource = _addSource(
-        "/part.dart",
-        r'''
-part of lib;
-void g() { f(null); }''');
-    _analyzeAll_assertFinished();
-    expect(_context.getErrors(libSource).errors, hasLength(0));
-    expect(_context.getErrors(partSource).errors, hasLength(0));
-    // Remove 'part' directive, which should make "f(null)" an error.
-    _context.setContents(
-        partSource,
-        r'''
-//part of lib;
-void g() { f(null); }''');
-    _analyzeAll_assertFinished();
-    expect(_context.getErrors(libSource).errors.length != 0, isTrue);
-  }
-
-  void test_performAnalysisTask_changePartContents_noSemanticChanges() {
-    Source libSource =
-        _addSource("/test.dart", "library lib; part 'test-part.dart';");
-    Source partSource = _addSource("/test-part.dart", "part of lib;");
-    _analyzeAll_assertFinished();
-    expect(
-        _context.getResolvedCompilationUnit2(libSource, libSource), isNotNull,
-        reason: "library resolved 1");
-    expect(
-        _context.getResolvedCompilationUnit2(partSource, libSource), isNotNull,
-        reason: "part resolved 1");
-    // update and analyze #1
-    _context.setContents(partSource, "part of lib; // 1");
-    expect(_context.getResolvedCompilationUnit2(libSource, libSource), isNull,
-        reason: "library changed 2");
-    expect(_context.getResolvedCompilationUnit2(partSource, libSource), isNull,
-        reason: "part changed 2");
-    _analyzeAll_assertFinished();
-    expect(
-        _context.getResolvedCompilationUnit2(libSource, libSource), isNotNull,
-        reason: "library resolved 2");
-    expect(
-        _context.getResolvedCompilationUnit2(partSource, libSource), isNotNull,
-        reason: "part resolved 2");
-    // update and analyze #2
-    _context.setContents(partSource, "part of lib; // 12");
-    expect(_context.getResolvedCompilationUnit2(libSource, libSource), isNull,
-        reason: "library changed 3");
-    expect(_context.getResolvedCompilationUnit2(partSource, libSource), isNull,
-        reason: "part changed 3");
-    _analyzeAll_assertFinished();
-    expect(
-        _context.getResolvedCompilationUnit2(libSource, libSource), isNotNull,
-        reason: "library resolved 3");
-    expect(
-        _context.getResolvedCompilationUnit2(partSource, libSource), isNotNull,
-        reason: "part resolved 3");
-  }
-
-  void test_performAnalysisTask_getContentException_dart() {
-    // add source that throw an exception on "get content"
-    Source source = new _Source_getContent_throwException('test.dart');
-    {
-      ChangeSet changeSet = new ChangeSet();
-      changeSet.addedSource(source);
-      _context.applyChanges(changeSet);
-    }
-    // prepare errors
-    _analyzeAll_assertFinished();
-    List<AnalysisError> errors = _context.getErrors(source).errors;
-    // validate errors
-    expect(errors, hasLength(1));
-    AnalysisError error = errors[0];
-    expect(error.source, same(source));
-    expect(error.errorCode, ScannerErrorCode.UNABLE_GET_CONTENT);
-  }
-
-  void test_performAnalysisTask_getContentException_html() {
-    // add source that throw an exception on "get content"
-    Source source = new _Source_getContent_throwException('test.html');
-    {
-      ChangeSet changeSet = new ChangeSet();
-      changeSet.addedSource(source);
-      _context.applyChanges(changeSet);
-    }
-    // prepare errors
-    _analyzeAll_assertFinished();
-    List<AnalysisError> errors = _context.getErrors(source).errors;
-    // validate errors
-    expect(errors, hasLength(1));
-    AnalysisError error = errors[0];
-    expect(error.source, same(source));
-    expect(error.errorCode, ScannerErrorCode.UNABLE_GET_CONTENT);
-  }
-
-  void test_performAnalysisTask_importedLibraryAdd() {
-    Source libASource =
-        _addSource("/libA.dart", "library libA; import 'libB.dart';");
-    _analyzeAll_assertFinished();
-    expect(
-        _context.getResolvedCompilationUnit2(libASource, libASource), isNotNull,
-        reason: "libA resolved 1");
-    expect(_hasAnalysisErrorWithErrorSeverity(_context.getErrors(libASource)),
-        isTrue,
-        reason: "libA has an error");
-    // add libB.dart and analyze
-    Source libBSource = _addSource("/libB.dart", "library libB;");
-    _analyzeAll_assertFinished();
-    expect(
-        _context.getResolvedCompilationUnit2(libASource, libASource), isNotNull,
-        reason: "libA resolved 2");
-    expect(
-        _context.getResolvedCompilationUnit2(libBSource, libBSource), isNotNull,
-        reason: "libB resolved 2");
-    expect(!_hasAnalysisErrorWithErrorSeverity(_context.getErrors(libASource)),
-        isTrue,
-        reason: "libA doesn't have errors");
-  }
-
-  void test_performAnalysisTask_importedLibraryAdd_html() {
-    Source htmlSource = _addSource(
-        "/page.html",
-        r'''
-<html><body><script type="application/dart">
-  import '/libB.dart';
-  main() {print('hello dart');}
-</script></body></html>''');
-    _analyzeAll_assertFinished();
-    expect(_context.getResolvedHtmlUnit(htmlSource), isNotNull,
-        reason: "htmlUnit resolved 1");
-    expect(_hasAnalysisErrorWithErrorSeverity(_context.getErrors(htmlSource)),
-        isTrue,
-        reason: "htmlSource has an error");
-    // add libB.dart and analyze
-    Source libBSource = _addSource("/libB.dart", "library libB;");
-    _analyzeAll_assertFinished();
-    expect(_context.getResolvedHtmlUnit(htmlSource), isNotNull,
-        reason: "htmlUnit resolved 1");
-    expect(
-        _context.getResolvedCompilationUnit2(libBSource, libBSource), isNotNull,
-        reason: "libB resolved 2");
-    // TODO (danrubel) commented out to fix red bots
-//    AnalysisErrorInfo errors = _context.getErrors(htmlSource);
-//    expect(
-//        !_hasAnalysisErrorWithErrorSeverity(errors),
-//        isTrue,
-//        reason: "htmlSource doesn't have errors");
-  }
-
-  void test_performAnalysisTask_importedLibraryDelete() {
-    Source libASource =
-        _addSource("/libA.dart", "library libA; import 'libB.dart';");
-    Source libBSource = _addSource("/libB.dart", "library libB;");
-    _analyzeAll_assertFinished();
-    expect(
-        _context.getResolvedCompilationUnit2(libASource, libASource), isNotNull,
-        reason: "libA resolved 1");
-    expect(
-        _context.getResolvedCompilationUnit2(libBSource, libBSource), isNotNull,
-        reason: "libB resolved 1");
-    expect(!_hasAnalysisErrorWithErrorSeverity(_context.getErrors(libASource)),
-        isTrue,
-        reason: "libA doesn't have errors");
-    // remove libB.dart content and analyze
-    _context.setContents(libBSource, null);
-    _analyzeAll_assertFinished();
-    expect(
-        _context.getResolvedCompilationUnit2(libASource, libASource), isNotNull,
-        reason: "libA resolved 2");
-    expect(_hasAnalysisErrorWithErrorSeverity(_context.getErrors(libASource)),
-        isTrue,
-        reason: "libA has an error");
-  }
-
-  void test_performAnalysisTask_IOException() {
-    TestSource source = _addSourceWithException2("/test.dart", "library test;");
-    int oldTimestamp = _context.getModificationStamp(source);
-    source.generateExceptionOnRead = false;
-    _analyzeAll_assertFinished();
-    expect(source.readCount, 1);
-    source.generateExceptionOnRead = true;
-    do {
-      _changeSource(source, "");
-      // Ensure that the timestamp differs,
-      // so that analysis engine notices the change
-    } while (oldTimestamp == _context.getModificationStamp(source));
-    _analyzeAll_assertFinished();
-    expect(source.readCount, 2);
-  }
-
-  void test_performAnalysisTask_missingPart() {
-    Source source =
-        _addSource("/test.dart", "library lib; part 'no-such-file.dart';");
-    _analyzeAll_assertFinished();
-    expect(_context.getLibraryElement(source), isNotNull,
-        reason: "performAnalysisTask failed to compute an element model");
-  }
-
-  void test_performAnalysisTask_modifiedAfterParse() {
-    // TODO(scheglov) no threads in Dart
-//    Source source = _addSource("/test.dart", "library lib;");
-//    int initialTime = _context.getModificationStamp(source);
-//    List<Source> sources = new List<Source>();
-//    sources.add(source);
-//    _context.analysisPriorityOrder = sources;
-//    _context.parseCompilationUnit(source);
-//    while (initialTime == JavaSystem.currentTimeMillis()) {
-//      Thread.sleep(1);
-//      // Force the modification time to be different.
-//    }
-//    _context.setContents(source, "library test;");
-//    JUnitTestCase.assertTrue(initialTime != _context.getModificationStamp(source));
-//    _analyzeAll_assertFinished();
-//    JUnitTestCase.assertNotNullMsg("performAnalysisTask failed to compute an element model", _context.getLibraryElement(source));
-  }
-
-  void test_resolveCompilationUnit_import_relative() {
-    _context = AnalysisContextFactory.oldContextWithCore();
-    Source sourceA =
-        _addSource("/libA.dart", "library libA; import 'libB.dart'; class A{}");
-    _addSource("/libB.dart", "library libB; class B{}");
-    CompilationUnit compilationUnit =
-        _context.resolveCompilationUnit2(sourceA, sourceA);
-    LibraryElement library = compilationUnit.element.library;
-    List<LibraryElement> importedLibraries = library.importedLibraries;
-    assertNamedElements(importedLibraries, ["dart.core", "libB"]);
-    List<LibraryElement> visibleLibraries = library.visibleLibraries;
-    assertNamedElements(visibleLibraries, ["dart.core", "libA", "libB"]);
-  }
-
-  void test_resolveCompilationUnit_import_relative_cyclic() {
-    _context = AnalysisContextFactory.oldContextWithCore();
-    Source sourceA =
-        _addSource("/libA.dart", "library libA; import 'libB.dart'; class A{}");
-    _addSource("/libB.dart", "library libB; import 'libA.dart'; class B{}");
-    CompilationUnit compilationUnit =
-        _context.resolveCompilationUnit2(sourceA, sourceA);
-    LibraryElement library = compilationUnit.element.library;
-    List<LibraryElement> importedLibraries = library.importedLibraries;
-    assertNamedElements(importedLibraries, ["dart.core", "libB"]);
-    List<LibraryElement> visibleLibraries = library.visibleLibraries;
-    assertNamedElements(visibleLibraries, ["dart.core", "libA", "libB"]);
-  }
-
-  void test_resolveCompilationUnit_library() {
-    _context = AnalysisContextFactory.oldContextWithCore();
-    _sourceFactory = _context.sourceFactory;
-    Source source = _addSource("/lib.dart", "library lib;");
-    LibraryElement library = _context.computeLibraryElement(source);
-    CompilationUnit compilationUnit =
-        _context.resolveCompilationUnit(source, library);
-    expect(compilationUnit, isNotNull);
-    expect(compilationUnit.element, isNotNull);
-  }
-
-  void test_resolveCompilationUnit_source() {
-    _context = AnalysisContextFactory.oldContextWithCore();
-    _sourceFactory = _context.sourceFactory;
-    Source source = _addSource("/lib.dart", "library lib;");
-    CompilationUnit compilationUnit =
-        _context.resolveCompilationUnit2(source, source);
-    expect(compilationUnit, isNotNull);
-  }
-
-  void test_resolveCompilationUnit_sourceChangeDuringResolution() {
-    _context = new _AnalysisContext_sourceChangeDuringResolution();
-    AnalysisContextFactory.initContextWithCore(_context);
-    _sourceFactory = _context.sourceFactory;
-    Source source = _addSource("/lib.dart", "library lib;");
-    CompilationUnit compilationUnit =
-        _context.resolveCompilationUnit2(source, source);
-    expect(compilationUnit, isNotNull);
-    expect(_context.getLineInfo(source), isNotNull);
-  }
-
-  void test_resolveHtmlUnit() {
-    Source source = _addSource("/lib.html", "<html></html>");
-    ht.HtmlUnit unit = _context.resolveHtmlUnit(source);
-    expect(unit, isNotNull);
-  }
-
-  void test_setAnalysisOptions() {
-    AnalysisOptionsImpl options = new AnalysisOptionsImpl();
-    options.cacheSize = 42;
-    options.dart2jsHint = false;
-    options.hint = false;
-    _context.analysisOptions = options;
-    AnalysisOptions result = _context.analysisOptions;
-    expect(result.cacheSize, options.cacheSize);
-    expect(result.dart2jsHint, options.dart2jsHint);
-    expect(result.hint, options.hint);
-  }
-
-  void test_setAnalysisOptions_reduceAnalysisPriorityOrder() {
-    AnalysisOptionsImpl options =
-        new AnalysisOptionsImpl.from(_context.analysisOptions);
-    List<Source> sources = new List<Source>();
-    for (int index = 0; index < options.cacheSize; index++) {
-      sources.add(_addSource("/lib.dart$index", ""));
-    }
-    _context.analysisPriorityOrder = sources;
-    int oldPriorityOrderSize = _getPriorityOrder(_context).length;
-    options.cacheSize = options.cacheSize - 10;
-    _context.analysisOptions = options;
-    expect(oldPriorityOrderSize > _getPriorityOrder(_context).length, isTrue);
-  }
-
-  void test_setAnalysisPriorityOrder_empty() {
-    _context.analysisPriorityOrder = new List<Source>();
-  }
-
-  void test_setAnalysisPriorityOrder_lessThanCacheSize() {
-    AnalysisOptions options = _context.analysisOptions;
-    List<Source> sources = new List<Source>();
-    for (int index = 0; index < options.cacheSize; index++) {
-      sources.add(_addSource("/lib.dart$index", ""));
-    }
-    _context.analysisPriorityOrder = sources;
-    expect(options.cacheSize > _getPriorityOrder(_context).length, isTrue);
-  }
-
-  void test_setAnalysisPriorityOrder_nonEmpty() {
-    List<Source> sources = new List<Source>();
-    sources.add(_addSource("/lib.dart", "library lib;"));
-    _context.analysisPriorityOrder = sources;
-  }
-
-  Future test_setChangedContents_libraryWithPart() {
-    AnalysisOptionsImpl options = new AnalysisOptionsImpl();
-    options.incremental = true;
-    _context = AnalysisContextFactory.oldContextWithCoreAndOptions(options);
-    SourcesChangedListener listener = new SourcesChangedListener();
-    _context.onSourcesChanged.listen(listener.onData);
-    _sourceFactory = _context.sourceFactory;
-    String oldCode = r'''
-library lib;
-part 'part.dart';
-int a = 0;''';
-    Source librarySource = _addSource("/lib.dart", oldCode);
-    String partContents = r'''
-part of lib;
-int b = a;''';
-    Source partSource = _addSource("/part.dart", partContents);
-    LibraryElement element = _context.computeLibraryElement(librarySource);
-    CompilationUnit unit =
-        _context.getResolvedCompilationUnit(librarySource, element);
-    expect(unit, isNotNull);
-    int offset = oldCode.indexOf("int a") + 4;
-    String newCode = r'''
-library lib;
-part 'part.dart';
-int ya = 0;''';
-    expect(_getIncrementalAnalysisCache(_context), isNull);
-    _context.setChangedContents(librarySource, newCode, offset, 0, 1);
-    expect(_context.getContents(librarySource).data, newCode);
-    IncrementalAnalysisCache incrementalCache =
-        _getIncrementalAnalysisCache(_context);
-    expect(incrementalCache.librarySource, librarySource);
-    expect(incrementalCache.resolvedUnit, same(unit));
-    expect(_context.getResolvedCompilationUnit2(partSource, librarySource),
-        isNull);
-    expect(incrementalCache.newContents, newCode);
-    return pumpEventQueue().then((_) {
-      listener.assertEvent(wereSourcesAdded: true);
-      listener.assertEvent(changedSources: [librarySource]);
-      listener.assertEvent(wereSourcesAdded: true);
-      listener.assertEvent(changedSources: [partSource]);
-      listener.assertEvent(changedSources: [librarySource]);
-      listener.assertNoMoreEvents();
-    });
-  }
-
-  void test_setChangedContents_notResolved() {
-    _context = AnalysisContextFactory.oldContextWithCore();
-    AnalysisOptionsImpl options =
-        new AnalysisOptionsImpl.from(_context.analysisOptions);
-    options.incremental = true;
-    _context.analysisOptions = options;
-    _sourceFactory = _context.sourceFactory;
-    String oldCode = r'''
-library lib;
-int a = 0;''';
-    Source librarySource = _addSource("/lib.dart", oldCode);
-    int offset = oldCode.indexOf("int a") + 4;
-    String newCode = r'''
-library lib;
-int ya = 0;''';
-    _context.setChangedContents(librarySource, newCode, offset, 0, 1);
-    expect(_context.getContents(librarySource).data, newCode);
-    expect(_getIncrementalAnalysisCache(_context), isNull);
-  }
-
-  Future test_setContents_libraryWithPart() {
-    _context = AnalysisContextFactory.oldContextWithCore();
-    SourcesChangedListener listener = new SourcesChangedListener();
-    _context.onSourcesChanged.listen(listener.onData);
-    _sourceFactory = _context.sourceFactory;
-    String libraryContents1 = r'''
-library lib;
-part 'part.dart';
-int a = 0;''';
-    Source librarySource = _addSource("/lib.dart", libraryContents1);
-    String partContents1 = r'''
-part of lib;
-int b = a;''';
-    Source partSource = _addSource("/part.dart", partContents1);
-    _context.computeLibraryElement(librarySource);
-    IncrementalAnalysisCache incrementalCache = new IncrementalAnalysisCache(
-        librarySource, librarySource, null, null, null, 0, 0, 0);
-    _setIncrementalAnalysisCache(_context, incrementalCache);
-    expect(_getIncrementalAnalysisCache(_context), same(incrementalCache));
-    String libraryContents2 = r'''
-library lib;
-part 'part.dart';
-int aa = 0;''';
-    _context.setContents(librarySource, libraryContents2);
-    expect(_context.getResolvedCompilationUnit2(partSource, librarySource),
-        isNull);
-    expect(_getIncrementalAnalysisCache(_context), isNull);
-    return pumpEventQueue().then((_) {
-      listener.assertEvent(wereSourcesAdded: true);
-      listener.assertEvent(changedSources: [librarySource]);
-      listener.assertEvent(wereSourcesAdded: true);
-      listener.assertEvent(changedSources: [partSource]);
-      listener.assertEvent(changedSources: [librarySource]);
-      listener.assertNoMoreEvents();
-    });
-  }
-
-  void test_setContents_null() {
-    _context = AnalysisContextFactory.oldContextWithCore();
-    _sourceFactory = _context.sourceFactory;
-    Source librarySource = _addSource(
-        "/lib.dart",
-        r'''
-library lib;
-int a = 0;''');
-    _context.computeLibraryElement(librarySource);
-    IncrementalAnalysisCache incrementalCache = new IncrementalAnalysisCache(
-        librarySource, librarySource, null, null, null, 0, 0, 0);
-    _setIncrementalAnalysisCache(_context, incrementalCache);
-    expect(_getIncrementalAnalysisCache(_context), same(incrementalCache));
-    _context.setContents(librarySource, null);
-    expect(_context.getResolvedCompilationUnit2(librarySource, librarySource),
-        isNull);
-    expect(_getIncrementalAnalysisCache(_context), isNull);
-  }
-
-  void test_setContents_unchanged_consistentModificationTime() {
-    String contents = "// foo";
-    Source source = _addSource("/test.dart", contents);
-    // do all, no tasks
-    _analyzeAll_assertFinished();
-    {
-      AnalysisResult result = _context.performAnalysisTask();
-      expect(result.changeNotices, isNull);
-    }
-    // set the same contents, still no tasks
-    _context.setContents(source, contents);
-    {
-      AnalysisResult result = _context.performAnalysisTask();
-      expect(result.changeNotices, isNull);
-    }
-  }
-
-  void test_setSourceFactory() {
-    expect(_context.sourceFactory, _sourceFactory);
-    SourceFactory factory = new SourceFactory([]);
-    _context.sourceFactory = factory;
-    expect(_context.sourceFactory, factory);
-  }
-
-  void test_unreadableSource() {
-    _context = AnalysisContextFactory.oldContextWithCore();
-    _sourceFactory = _context.sourceFactory;
-    Source test1 = _addSource(
-        "/test1.dart",
-        r'''
-import 'test2.dart';
-library test1;''');
-    Source test2 = _addSource(
-        "/test2.dart",
-        r'''
-import 'test1.dart';
-import 'test3.dart';
-library test2;''');
-    Source test3 = _addSourceWithException("/test3.dart");
-    _analyzeAll_assertFinished();
-    // test1 and test2 should have been successfully analyzed
-    // despite the fact that test3 couldn't be read.
-    expect(_context.computeLibraryElement(test1), isNotNull);
-    expect(_context.computeLibraryElement(test2), isNotNull);
-    expect(_context.computeLibraryElement(test3), isNull);
-  }
-
-  void test_updateAnalysis() {
-    expect(_context.sourcesNeedingProcessing.isEmpty, isTrue);
-    Source source =
-        new FileBasedSource(FileUtilities2.createFile("/test.dart"));
-    AnalysisDelta delta = new AnalysisDelta();
-    delta.setAnalysisLevel(source, AnalysisLevel.ALL);
-    _context.applyAnalysisDelta(delta);
-    expect(_context.sourcesNeedingProcessing.contains(source), isTrue);
-    delta = new AnalysisDelta();
-    delta.setAnalysisLevel(source, AnalysisLevel.NONE);
-    _context.applyAnalysisDelta(delta);
-    expect(_context.sourcesNeedingProcessing.contains(source), isFalse);
-  }
-
-  void xtest_performAnalysisTask_stress() {
-    int maxCacheSize = 4;
-    AnalysisOptionsImpl options =
-        new AnalysisOptionsImpl.from(_context.analysisOptions);
-    options.cacheSize = maxCacheSize;
-    _context.analysisOptions = options;
-    int sourceCount = maxCacheSize + 2;
-    List<Source> sources = new List<Source>();
-    ChangeSet changeSet = new ChangeSet();
-    for (int i = 0; i < sourceCount; i++) {
-      Source source = _addSource("/lib$i.dart", "library lib$i;");
-      sources.add(source);
-      changeSet.addedSource(source);
-    }
-    _context.applyChanges(changeSet);
-    _context.analysisPriorityOrder = sources;
-    for (int i = 0; i < 1000; i++) {
-      List<ChangeNotice> notice = _context.performAnalysisTask().changeNotices;
-      if (notice == null) {
-        //System.out.println("test_performAnalysisTask_stress: " + i);
-        break;
-      }
-    }
-    List<ChangeNotice> notice = _context.performAnalysisTask().changeNotices;
-    if (notice != null) {
-      fail(
-          "performAnalysisTask failed to terminate after analyzing all sources");
-    }
-  }
-
-  Source _addSource(String fileName, String contents) {
-    Source source = new FileBasedSource(FileUtilities2.createFile(fileName));
-    ChangeSet changeSet = new ChangeSet();
-    changeSet.addedSource(source);
-    _context.applyChanges(changeSet);
-    _context.setContents(source, contents);
-    return source;
-  }
-
-  TestSource _addSourceWithException(String fileName) {
-    return _addSourceWithException2(fileName, "");
-  }
-
-  TestSource _addSourceWithException2(String fileName, String contents) {
-    TestSource source = new TestSource(fileName, contents);
-    source.generateExceptionOnRead = true;
-    ChangeSet changeSet = new ChangeSet();
-    changeSet.addedSource(source);
-    _context.applyChanges(changeSet);
-    return source;
-  }
-
-  /**
-   * Perform analysis tasks up to 512 times and asserts that that was enough.
-   */
-  void _analyzeAll_assertFinished() {
-    _analyzeAll_assertFinished2(512);
-  }
-
-  /**
-   * Perform analysis tasks up to the given number of times and asserts that that was enough.
-   *
-   * @param maxIterations the maximum number of tasks to perform
-   */
-  void _analyzeAll_assertFinished2(int maxIterations) {
-    for (int i = 0; i < maxIterations; i++) {
-      List<ChangeNotice> notice = _context.performAnalysisTask().changeNotices;
-      if (notice == null) {
-        return;
-      }
-    }
-    fail("performAnalysisTask failed to terminate after analyzing all sources");
-  }
-
-  void _changeSource(TestSource source, String contents) {
-    source.setContents(contents);
-    ChangeSet changeSet = new ChangeSet();
-    changeSet.changedSource(source);
-    _context.applyChanges(changeSet);
-  }
-
-  Source _createSource(String fileName, String contents) {
-    Source source = new FileBasedSource(FileUtilities2.createFile(fileName));
-    _context.setContents(source, contents);
-    return source;
-  }
-
-  /**
-   * Search the given compilation unit for a class with the given name. Return the class with the
-   * given name, or `null` if the class cannot be found.
-   *
-   * @param unit the compilation unit being searched
-   * @param className the name of the class being searched for
-   * @return the class with the given name
-   */
-  ClassElement _findClass(CompilationUnitElement unit, String className) {
-    for (ClassElement classElement in unit.types) {
-      if (classElement.displayName == className) {
-        return classElement;
-      }
-    }
-    return null;
-  }
-
-  IncrementalAnalysisCache _getIncrementalAnalysisCache(
-      AnalysisContextImpl context2) {
-    return context2.test_incrementalAnalysisCache;
-  }
-
-  List<Source> _getPriorityOrder(AnalysisContextImpl context2) {
-    return context2.test_priorityOrder;
-  }
-
-  void _performPendingAnalysisTasks([int maxTasks = 20]) {
-    for (int i = 0; _context.performAnalysisTask().hasMoreWork; i++) {
-      if (i > maxTasks) {
-        fail('Analysis did not terminate.');
-      }
-    }
-  }
-
-  void _removeSource(Source source) {
-    ChangeSet changeSet = new ChangeSet();
-    changeSet.removedSource(source);
-    _context.applyChanges(changeSet);
-  }
-
-  void _setIncrementalAnalysisCache(
-      AnalysisContextImpl context, IncrementalAnalysisCache incrementalCache) {
-    context.test_incrementalAnalysisCache = incrementalCache;
-  }
-
-  /**
-   * Returns `true` if there is an [AnalysisError] with [ErrorSeverity.ERROR] in
-   * the given [AnalysisErrorInfo].
-   */
-  static bool _hasAnalysisErrorWithErrorSeverity(AnalysisErrorInfo errorInfo) {
-    List<AnalysisError> errors = errorInfo.errors;
-    for (AnalysisError analysisError in errors) {
-      if (analysisError.errorCode.errorSeverity == ErrorSeverity.ERROR) {
-        return true;
-      }
-    }
-    return false;
-  }
-}
-
-class AnalysisContextImplTest_Source_exists_true extends TestSource {
-  @override
-  bool exists() => true;
-}
-
-class AnalysisContextImplTest_Source_getModificationStamp_fromSource
-    extends TestSource {
-  int stamp;
-  AnalysisContextImplTest_Source_getModificationStamp_fromSource(this.stamp);
-  @override
-  int get modificationStamp => stamp;
-}
-
-class AnalysisContextImplTest_Source_getModificationStamp_overridden
-    extends TestSource {
-  int stamp;
-  AnalysisContextImplTest_Source_getModificationStamp_overridden(this.stamp);
-  @override
-  int get modificationStamp => stamp;
-}
-
-@reflectiveTest
-class AnalysisOptionsImplTest extends EngineTestCase {
-  void test_AnalysisOptionsImpl_copy() {
-    bool booleanValue = true;
-    for (int i = 0; i < 2; i++, booleanValue = !booleanValue) {
-      AnalysisOptionsImpl options = new AnalysisOptionsImpl();
-      options.analyzeFunctionBodies = booleanValue;
-      options.cacheSize = i;
-      options.dart2jsHint = booleanValue;
-      options.enableGenericMethods = booleanValue;
-      options.enableStrictCallChecks = booleanValue;
-      options.enableSuperMixins = booleanValue;
-      options.generateImplicitErrors = booleanValue;
-      options.generateSdkErrors = booleanValue;
-      options.hint = booleanValue;
-      options.incremental = booleanValue;
-      options.preserveComments = booleanValue;
-      options.strongMode = booleanValue;
-      AnalysisOptionsImpl copy = new AnalysisOptionsImpl.from(options);
-      expect(copy.analyzeFunctionBodies, options.analyzeFunctionBodies);
-      expect(copy.cacheSize, options.cacheSize);
-      expect(copy.dart2jsHint, options.dart2jsHint);
-      expect(copy.enableStrictCallChecks, options.enableStrictCallChecks);
-      expect(copy.enableSuperMixins, options.enableSuperMixins);
-      expect(copy.generateImplicitErrors, options.generateImplicitErrors);
-      expect(copy.generateSdkErrors, options.generateSdkErrors);
-      expect(copy.hint, options.hint);
-      expect(copy.incremental, options.incremental);
-      expect(copy.preserveComments, options.preserveComments);
-      expect(copy.strongMode, options.strongMode);
-    }
-  }
-
-  void test_analyzeFunctionBodies() {
-    AnalysisOptionsImpl options = new AnalysisOptionsImpl();
-    bool value = !options.analyzeFunctionBodies;
-    options.analyzeFunctionBodies = value;
-    expect(options.analyzeFunctionBodies, value);
-  }
-
-  void test_cacheSize() {
-    AnalysisOptionsImpl options = new AnalysisOptionsImpl();
-    expect(options.cacheSize, AnalysisOptionsImpl.DEFAULT_CACHE_SIZE);
-    int value = options.cacheSize + 1;
-    options.cacheSize = value;
-    expect(options.cacheSize, value);
-  }
-
-  void test_dart2jsHint() {
-    AnalysisOptionsImpl options = new AnalysisOptionsImpl();
-    bool value = !options.dart2jsHint;
-    options.dart2jsHint = value;
-    expect(options.dart2jsHint, value);
-  }
-
-  void test_enableGenericMethods() {
-    AnalysisOptionsImpl options = new AnalysisOptionsImpl();
-    bool value = !options.enableGenericMethods;
-    options.enableGenericMethods = value;
-    expect(options.enableGenericMethods, value);
-  }
-
-  void test_enableSuperMixins() {
-    AnalysisOptionsImpl options = new AnalysisOptionsImpl();
-    bool value = !options.enableSuperMixins;
-    options.enableSuperMixins = value;
-    expect(options.enableSuperMixins, value);
-  }
-
-  void test_generateImplicitErrors() {
-    AnalysisOptionsImpl options = new AnalysisOptionsImpl();
-    bool value = !options.generateImplicitErrors;
-    options.generateImplicitErrors = value;
-    expect(options.generateImplicitErrors, value);
-  }
-
-  void test_generateSdkErrors() {
-    AnalysisOptionsImpl options = new AnalysisOptionsImpl();
-    bool value = !options.generateSdkErrors;
-    options.generateSdkErrors = value;
-    expect(options.generateSdkErrors, value);
-  }
-
-  void test_hint() {
-    AnalysisOptionsImpl options = new AnalysisOptionsImpl();
-    bool value = !options.hint;
-    options.hint = value;
-    expect(options.hint, value);
-  }
-
-  void test_incremental() {
-    AnalysisOptionsImpl options = new AnalysisOptionsImpl();
-    bool value = !options.incremental;
-    options.incremental = value;
-    expect(options.incremental, value);
-  }
-
-  void test_preserveComments() {
-    AnalysisOptionsImpl options = new AnalysisOptionsImpl();
-    bool value = !options.preserveComments;
-    options.preserveComments = value;
-    expect(options.preserveComments, value);
-  }
-
-  void test_strongMode() {
-    AnalysisOptionsImpl options = new AnalysisOptionsImpl();
-    bool value = !options.strongMode;
-    options.strongMode = value;
-    expect(options.strongMode, value);
-  }
-}
-
-class AnalysisTask_test_perform_exception extends AnalysisTask {
-  AnalysisTask_test_perform_exception(InternalAnalysisContext arg0)
-      : super(arg0);
-  @override
-  String get taskDescription => null;
-  @override
-  accept(AnalysisTaskVisitor visitor) {
-    expect(exception, isNotNull);
-    return null;
-  }
-
-  @override
-  void internalPerform() {
-    throw new AnalysisException("Forced exception");
-  }
-}
-
-@reflectiveTest
-class AnalysisTaskTest extends EngineTestCase {
-  void test_perform_exception() {
-    InternalAnalysisContext context = AnalysisContextFactory.contextWithCore();
-    AnalysisTask task = new AnalysisTask_test_perform_exception(context);
-    task.perform(new TestTaskVisitor<Object>());
-  }
 }
 
 /**
  * A listener used to gather the [ImplicitAnalysisEvent]s that are produced
  * during analysis.
  */
 class AnalyzedSourcesListener {
   /**
    * The events that have been gathered.
    */
@@ skipping 28 matching lines @@
     } else {
       analyzedSources.remove(event.source);
     }
   }
 }
 
 class CompilationUnitMock extends TypedMock implements CompilationUnit {
   noSuchMethod(Invocation invocation) => super.noSuchMethod(invocation);
 }
 
-@reflectiveTest
-class DartEntryTest extends EngineTestCase {
-  void test_allErrors() {
-    Source source = new TestSource();
-    DartEntry entry = new DartEntry();
-    expect(entry.allErrors, hasLength(0));
-    entry.setValue(SourceEntry.CONTENT_ERRORS, <AnalysisError>[
-      new AnalysisError(source, 0, 0, ScannerErrorCode.UNABLE_GET_CONTENT,
-          ['exception details'])
-    ]);
-    entry.setValue(DartEntry.SCAN_ERRORS, <AnalysisError>[
-      new AnalysisError(
-          source, 0, 0, ScannerErrorCode.UNTERMINATED_STRING_LITERAL)
-    ]);
-    entry.setValue(DartEntry.PARSE_ERRORS, <AnalysisError>[
-      new AnalysisError(source, 0, 0, ParserErrorCode.ABSTRACT_CLASS_MEMBER)
-    ]);
-    entry.setValueInLibrary(
-        DartEntry.RESOLUTION_ERRORS, source, <AnalysisError>[
-      new AnalysisError(
-          source, 0, 0, CompileTimeErrorCode.CONST_CONSTRUCTOR_THROWS_EXCEPTION)
-    ]);
-    entry.setValueInLibrary(
-        DartEntry.VERIFICATION_ERRORS, source, <AnalysisError>[
-      new AnalysisError(
-          source, 0, 0, StaticWarningCode.CASE_BLOCK_NOT_TERMINATED)
-    ]);
-    entry.setValueInLibrary(DartEntry.HINTS, source,
-        <AnalysisError>[new AnalysisError(source, 0, 0, HintCode.DEAD_CODE)]);
-    expect(entry.allErrors, hasLength(6));
-  }
-
-  void test_creation() {
-    Source librarySource = new TestSource();
-    DartEntry entry = new DartEntry();
-    expect(entry.getState(SourceEntry.CONTENT), same(CacheState.INVALID));
-    expect(entry.getState(SourceEntry.LINE_INFO), same(CacheState.INVALID));
-    expect(entry.getState(DartEntry.CONTAINING_LIBRARIES),
-        same(CacheState.INVALID));
-    expect(entry.getState(DartEntry.ELEMENT), same(CacheState.INVALID));
-    expect(
-        entry.getState(DartEntry.EXPORTED_LIBRARIES), same(CacheState.INVALID));
-    expect(
-        entry.getState(DartEntry.IMPORTED_LIBRARIES), same(CacheState.INVALID));
-    expect(entry.getState(DartEntry.INCLUDED_PARTS), same(CacheState.INVALID));
-    expect(entry.getState(DartEntry.IS_CLIENT), same(CacheState.INVALID));
-    expect(entry.getState(DartEntry.IS_LAUNCHABLE), same(CacheState.INVALID));
-    expect(entry.getState(DartEntry.PARSE_ERRORS), same(CacheState.INVALID));
-    expect(entry.getState(DartEntry.PARSED_UNIT), same(CacheState.INVALID));
-    expect(
-        entry.getState(DartEntry.PUBLIC_NAMESPACE), same(CacheState.INVALID));
-    expect(entry.getState(DartEntry.SCAN_ERRORS), same(CacheState.INVALID));
-    expect(entry.getState(DartEntry.SOURCE_KIND), same(CacheState.INVALID));
-    expect(entry.getState(DartEntry.TOKEN_STREAM), same(CacheState.INVALID));
-
-    expect(entry.getStateInLibrary(DartEntry.BUILT_ELEMENT, librarySource),
-        same(CacheState.INVALID));
-    expect(entry.getStateInLibrary(DartEntry.BUILT_UNIT, librarySource),
-        same(CacheState.INVALID));
-    expect(entry.getStateInLibrary(DartEntry.HINTS, librarySource),
-        same(CacheState.INVALID));
-    expect(entry.getStateInLibrary(DartEntry.RESOLUTION_ERRORS, librarySource),
-        same(CacheState.INVALID));
-    expect(entry.getStateInLibrary(DartEntry.RESOLVED_UNIT, librarySource),
-        same(CacheState.INVALID));
-    expect(
-        entry.getStateInLibrary(DartEntry.VERIFICATION_ERRORS, librarySource),
-        same(CacheState.INVALID));
-  }
-
-  void test_getResolvableCompilationUnit_none() {
-    DartEntry entry = new DartEntry();
-    expect(entry.resolvableCompilationUnit, isNull);
-  }
-
-  void test_getResolvableCompilationUnit_parsed_accessed() {
-    Source librarySource = new TestSource("/lib.dart");
-    String importUri = "/f1.dart";
-    Source importSource = new TestSource(importUri);
-    ImportDirective importDirective =
-        AstFactory.importDirective3(importUri, null);
-    importDirective.source = importSource;
-    importDirective.uriContent = importUri;
-    String exportUri = "/f2.dart";
-    Source exportSource = new TestSource(exportUri);
-    ExportDirective exportDirective = AstFactory.exportDirective2(exportUri);
-    exportDirective.source = exportSource;
-    exportDirective.uriContent = exportUri;
-    String partUri = "/f3.dart";
-    Source partSource = new TestSource(partUri);
-    PartDirective partDirective = AstFactory.partDirective2(partUri);
-    partDirective.source = partSource;
-    partDirective.uriContent = partUri;
-    CompilationUnit unit = AstFactory
-        .compilationUnit3([importDirective, exportDirective, partDirective]);
-    DartEntry entry = new DartEntry();
-    entry.setValue(DartEntry.PARSED_UNIT, unit);
-    entry.getValue(DartEntry.PARSED_UNIT);
-    CompilationUnit result = entry.resolvableCompilationUnit;
-    expect(result, same(unit));
-    entry.setValueInLibrary(DartEntry.RESOLVED_UNIT, librarySource, unit);
-    result = entry.resolvableCompilationUnit;
-    expect(result, isNot(same(unit)));
-    NodeList<Directive> directives = result.directives;
-    ImportDirective resultImportDirective = directives[0] as ImportDirective;
-    expect(resultImportDirective.uriContent, importUri);
-    expect(resultImportDirective.source, same(importSource));
-    ExportDirective resultExportDirective = directives[1] as ExportDirective;
-    expect(resultExportDirective.uriContent, exportUri);
-    expect(resultExportDirective.source, same(exportSource));
-    PartDirective resultPartDirective = directives[2] as PartDirective;
-    expect(resultPartDirective.uriContent, partUri);
-    expect(resultPartDirective.source, same(partSource));
-  }
-
-  void test_getResolvableCompilationUnit_parsed_notAccessed() {
-    CompilationUnit unit = AstFactory.compilationUnit();
-    DartEntry entry = new DartEntry();
-    entry.setValue(DartEntry.PARSED_UNIT, unit);
-    expect(entry.resolvableCompilationUnit, same(unit));
-  }
-
-  void test_getResolvableCompilationUnit_resolved() {
-    String importUri = "f1.dart";
-    Source importSource = new TestSource(importUri);
-    ImportDirective importDirective =
-        AstFactory.importDirective3(importUri, null);
-    importDirective.source = importSource;
-    importDirective.uriContent = importUri;
-    String exportUri = "f2.dart";
-    Source exportSource = new TestSource(exportUri);
-    ExportDirective exportDirective = AstFactory.exportDirective2(exportUri);
-    exportDirective.source = exportSource;
-    exportDirective.uriContent = exportUri;
-    String partUri = "f3.dart";
-    Source partSource = new TestSource(partUri);
-    PartDirective partDirective = AstFactory.partDirective2(partUri);
-    partDirective.source = partSource;
-    partDirective.uriContent = partUri;
-    CompilationUnit unit = AstFactory
-        .compilationUnit3([importDirective, exportDirective, partDirective]);
-    DartEntry entry = new DartEntry();
-    entry.setValueInLibrary(
-        DartEntry.RESOLVED_UNIT, new TestSource("lib.dart"), unit);
-    CompilationUnit result = entry.resolvableCompilationUnit;
-    expect(result, isNot(same(unit)));
-    NodeList<Directive> directives = result.directives;
-    ImportDirective resultImportDirective = directives[0] as ImportDirective;
-    expect(resultImportDirective.uriContent, importUri);
-    expect(resultImportDirective.source, same(importSource));
-    ExportDirective resultExportDirective = directives[1] as ExportDirective;
-    expect(resultExportDirective.uriContent, exportUri);
-    expect(resultExportDirective.source, same(exportSource));
-    PartDirective resultPartDirective = directives[2] as PartDirective;
-    expect(resultPartDirective.uriContent, partUri);
-    expect(resultPartDirective.source, same(partSource));
-  }
-
-  void test_getState_invalid_resolutionErrors() {
-    DartEntry entry = new DartEntry();
-    try {
-      entry.getState(DartEntry.RESOLUTION_ERRORS);
-      fail("Expected ArgumentError for RESOLUTION_ERRORS");
-    } on ArgumentError {
-      // Expected
-    }
-  }
-
-  void test_getState_invalid_verificationErrors() {
-    DartEntry entry = new DartEntry();
-    try {
-      entry.getState(DartEntry.VERIFICATION_ERRORS);
-      fail("Expected ArgumentError for VERIFICATION_ERRORS");
-    } on ArgumentError {
-      // Expected
-    }
-  }
-
-  void test_getStateInLibrary_invalid_element() {
-    DartEntry entry = new DartEntry();
-    try {
-      entry.getStateInLibrary(DartEntry.ELEMENT, new TestSource());
-      fail("Expected ArgumentError for ELEMENT");
-    } on ArgumentError {
-      // Expected
-    }
-  }
-
-  void test_getValue_containingLibraries() {
-    Source testSource = new TestSource();
-    DartEntry entry = new DartEntry();
-    List<Source> value = entry.containingLibraries;
-    expect(value, hasLength(0));
-    entry.addContainingLibrary(testSource);
-    value = entry.containingLibraries;
-    expect(value, hasLength(1));
-    expect(value[0], testSource);
-    entry.removeContainingLibrary(testSource);
-    value = entry.containingLibraries;
-    expect(value, hasLength(0));
-  }
-
-  void test_getValue_invalid_resolutionErrors() {
-    DartEntry entry = new DartEntry();
-    try {
-      entry.getValue(DartEntry.RESOLUTION_ERRORS);
-      fail("Expected ArgumentError for RESOLUTION_ERRORS");
-    } on ArgumentError {}
-  }
-
-  void test_getValue_invalid_verificationErrors() {
-    DartEntry entry = new DartEntry();
-    try {
-      entry.getValue(DartEntry.VERIFICATION_ERRORS);
-      fail("Expected ArgumentError for VERIFICATION_ERRORS");
-    } on ArgumentError {
-      // Expected
-    }
-  }
-
-  void test_getValueInLibrary_invalid_element() {
-    DartEntry entry = new DartEntry();
-    try {
-      entry.getValueInLibrary(DartEntry.ELEMENT, new TestSource());
-      fail("Expected ArgumentError for ELEMENT");
-    } on ArgumentError {
-      // Expected
-    }
-  }
-
-  void test_getValueInLibrary_invalid_resolutionErrors_multiple() {
-    Source source1 = new TestSource();
-    Source source2 = new TestSource();
-    Source source3 = new TestSource();
-    DartEntry entry = new DartEntry();
-    entry.setValueInLibrary(
-        DartEntry.RESOLVED_UNIT, source1, AstFactory.compilationUnit());
-    entry.setValueInLibrary(
-        DartEntry.RESOLVED_UNIT, source2, AstFactory.compilationUnit());
-    entry.setValueInLibrary(
-        DartEntry.RESOLVED_UNIT, source3, AstFactory.compilationUnit());
-    try {
-      entry.getValueInLibrary(DartEntry.ELEMENT, source3);
-      fail("Expected ArgumentError for ELEMENT");
-    } on ArgumentError {
-      // Expected
-    }
-  }
-
-  void test_hasInvalidData_false() {
-    DartEntry entry = new DartEntry();
-    entry.recordScanError(new CaughtException(new AnalysisException(), null));
-    expect(entry.hasInvalidData(DartEntry.ELEMENT), isFalse);
-    expect(entry.hasInvalidData(DartEntry.EXPORTED_LIBRARIES), isFalse);
-    expect(entry.hasInvalidData(DartEntry.HINTS), isFalse);
-    expect(entry.hasInvalidData(DartEntry.IMPORTED_LIBRARIES), isFalse);
-    expect(entry.hasInvalidData(DartEntry.INCLUDED_PARTS), isFalse);
-    expect(entry.hasInvalidData(DartEntry.IS_CLIENT), isFalse);
-    expect(entry.hasInvalidData(DartEntry.IS_LAUNCHABLE), isFalse);
-    expect(entry.hasInvalidData(SourceEntry.LINE_INFO), isFalse);
-    expect(entry.hasInvalidData(DartEntry.PARSE_ERRORS), isFalse);
-    expect(entry.hasInvalidData(DartEntry.PARSED_UNIT), isFalse);
-    expect(entry.hasInvalidData(DartEntry.PUBLIC_NAMESPACE), isFalse);
-    expect(entry.hasInvalidData(DartEntry.SOURCE_KIND), isFalse);
-    expect(entry.hasInvalidData(DartEntry.RESOLUTION_ERRORS), isFalse);
-    expect(entry.hasInvalidData(DartEntry.RESOLVED_UNIT), isFalse);
-    expect(entry.hasInvalidData(DartEntry.VERIFICATION_ERRORS), isFalse);
-  }
-
-  void test_hasInvalidData_true() {
-    DartEntry entry = new DartEntry();
-    expect(entry.hasInvalidData(DartEntry.ELEMENT), isTrue);
-    expect(entry.hasInvalidData(DartEntry.EXPORTED_LIBRARIES), isTrue);
-    expect(entry.hasInvalidData(DartEntry.HINTS), isTrue);
-    expect(entry.hasInvalidData(DartEntry.IMPORTED_LIBRARIES), isTrue);
-    expect(entry.hasInvalidData(DartEntry.INCLUDED_PARTS), isTrue);
-    expect(entry.hasInvalidData(DartEntry.IS_CLIENT), isTrue);
-    expect(entry.hasInvalidData(DartEntry.IS_LAUNCHABLE), isTrue);
-    expect(entry.hasInvalidData(SourceEntry.LINE_INFO), isTrue);
-    expect(entry.hasInvalidData(DartEntry.PARSE_ERRORS), isTrue);
-    expect(entry.hasInvalidData(DartEntry.PARSED_UNIT), isTrue);
-    expect(entry.hasInvalidData(DartEntry.PUBLIC_NAMESPACE), isTrue);
-    expect(entry.hasInvalidData(DartEntry.SOURCE_KIND), isTrue);
-    expect(entry.hasInvalidData(DartEntry.RESOLUTION_ERRORS), isTrue);
-    expect(entry.hasInvalidData(DartEntry.RESOLVED_UNIT), isTrue);
-    expect(entry.hasInvalidData(DartEntry.VERIFICATION_ERRORS), isTrue);
-  }
-
-  void test_invalidateAllInformation() {
-    Source librarySource = new TestSource();
-    DartEntry entry = _entryWithValidState(librarySource);
-    entry.invalidateAllInformation();
-    expect(entry.getState(SourceEntry.CONTENT), same(CacheState.INVALID));
-    expect(
-        entry.getState(SourceEntry.CONTENT_ERRORS), same(CacheState.INVALID));
-    expect(entry.getState(SourceEntry.LINE_INFO), same(CacheState.INVALID));
-    expect(
-        entry.getState(DartEntry.CONTAINING_LIBRARIES), same(CacheState.VALID));
-    expect(entry.getState(DartEntry.ELEMENT), same(CacheState.INVALID));
-    expect(
-        entry.getState(DartEntry.EXPORTED_LIBRARIES), same(CacheState.INVALID));
-    expect(
-        entry.getState(DartEntry.IMPORTED_LIBRARIES), same(CacheState.INVALID));
-    expect(entry.getState(DartEntry.INCLUDED_PARTS), same(CacheState.INVALID));
-    expect(entry.getState(DartEntry.IS_CLIENT), same(CacheState.INVALID));
-    expect(entry.getState(DartEntry.IS_LAUNCHABLE), same(CacheState.INVALID));
-    expect(entry.getState(DartEntry.PARSE_ERRORS), same(CacheState.INVALID));
-    expect(entry.getState(DartEntry.PARSED_UNIT), same(CacheState.INVALID));
-    expect(
-        entry.getState(DartEntry.PUBLIC_NAMESPACE), same(CacheState.INVALID));
-    expect(entry.getState(DartEntry.SCAN_ERRORS), same(CacheState.INVALID));
-    expect(entry.getState(DartEntry.SOURCE_KIND), same(CacheState.INVALID));
-    expect(entry.getState(DartEntry.TOKEN_STREAM), same(CacheState.INVALID));
-
-    expect(entry.getStateInLibrary(DartEntry.BUILT_ELEMENT, librarySource),
-        same(CacheState.INVALID));
-    expect(entry.getStateInLibrary(DartEntry.BUILT_UNIT, librarySource),
-        same(CacheState.INVALID));
-    expect(entry.getStateInLibrary(DartEntry.HINTS, librarySource),
-        same(CacheState.INVALID));
-    expect(entry.getStateInLibrary(DartEntry.RESOLUTION_ERRORS, librarySource),
-        same(CacheState.INVALID));
-    expect(entry.getStateInLibrary(DartEntry.RESOLVED_UNIT, librarySource),
-        same(CacheState.INVALID));
-    expect(
-        entry.getStateInLibrary(DartEntry.VERIFICATION_ERRORS, librarySource),
-        same(CacheState.INVALID));
-  }
-
-  void test_invalidateAllResolutionInformation() {
-    Source librarySource = new TestSource();
-    DartEntry entry = _entryWithValidState(librarySource);
-    entry.invalidateAllResolutionInformation(false);
-    expect(entry.getState(SourceEntry.CONTENT), same(CacheState.VALID));
-    expect(entry.getState(SourceEntry.CONTENT_ERRORS), same(CacheState.VALID));
-    expect(entry.getState(SourceEntry.LINE_INFO), same(CacheState.VALID));
-    expect(
-        entry.getState(DartEntry.CONTAINING_LIBRARIES), same(CacheState.VALID));
-    expect(entry.getState(DartEntry.ELEMENT), same(CacheState.INVALID));
-    expect(
-        entry.getState(DartEntry.EXPORTED_LIBRARIES), same(CacheState.VALID));
-    expect(
-        entry.getState(DartEntry.IMPORTED_LIBRARIES), same(CacheState.VALID));
-    expect(entry.getState(DartEntry.INCLUDED_PARTS), same(CacheState.VALID));
-    expect(entry.getState(DartEntry.IS_CLIENT), same(CacheState.INVALID));
-    expect(entry.getState(DartEntry.IS_LAUNCHABLE), same(CacheState.INVALID));
-    expect(entry.getState(DartEntry.PARSE_ERRORS), same(CacheState.VALID));
-    expect(entry.getState(DartEntry.PARSED_UNIT), same(CacheState.VALID));
-    expect(
-        entry.getState(DartEntry.PUBLIC_NAMESPACE), same(CacheState.INVALID));
-    expect(entry.getState(DartEntry.SCAN_ERRORS), same(CacheState.VALID));
-    expect(entry.getState(DartEntry.SOURCE_KIND), same(CacheState.VALID));
-    expect(entry.getState(DartEntry.TOKEN_STREAM), same(CacheState.VALID));
-
-    expect(entry.getStateInLibrary(DartEntry.BUILT_ELEMENT, librarySource),
-        same(CacheState.INVALID));
-    expect(entry.getStateInLibrary(DartEntry.BUILT_UNIT, librarySource),
-        same(CacheState.INVALID));
-    expect(entry.getStateInLibrary(DartEntry.HINTS, librarySource),
-        same(CacheState.INVALID));
-    expect(entry.getStateInLibrary(DartEntry.RESOLUTION_ERRORS, librarySource),
-        same(CacheState.INVALID));
-    expect(entry.getStateInLibrary(DartEntry.RESOLVED_UNIT, librarySource),
-        same(CacheState.INVALID));
-    expect(
-        entry.getStateInLibrary(DartEntry.VERIFICATION_ERRORS, librarySource),
-        same(CacheState.INVALID));
-  }
-
-  void test_invalidateAllResolutionInformation_includingUris() {
-    Source librarySource = new TestSource();
-    DartEntry entry = _entryWithValidState(librarySource);
-    entry.invalidateAllResolutionInformation(true);
-    expect(entry.getState(SourceEntry.CONTENT), same(CacheState.VALID));
-    expect(entry.getState(SourceEntry.CONTENT_ERRORS), same(CacheState.VALID));
-    expect(entry.getState(SourceEntry.LINE_INFO), same(CacheState.VALID));
-    expect(
-        entry.getState(DartEntry.CONTAINING_LIBRARIES), same(CacheState.VALID));
-    expect(entry.getState(DartEntry.ELEMENT), same(CacheState.INVALID));
-    expect(
-        entry.getState(DartEntry.EXPORTED_LIBRARIES), same(CacheState.INVALID));
-    expect(
-        entry.getState(DartEntry.IMPORTED_LIBRARIES), same(CacheState.INVALID));
-    expect(entry.getState(DartEntry.INCLUDED_PARTS), same(CacheState.INVALID));
-    expect(entry.getState(DartEntry.IS_CLIENT), same(CacheState.INVALID));
-    expect(entry.getState(DartEntry.IS_LAUNCHABLE), same(CacheState.INVALID));
-    expect(entry.getState(DartEntry.PARSE_ERRORS), same(CacheState.VALID));
-    expect(entry.getState(DartEntry.PARSED_UNIT), same(CacheState.VALID));
-    expect(
-        entry.getState(DartEntry.PUBLIC_NAMESPACE), same(CacheState.INVALID));
-    expect(entry.getState(DartEntry.SCAN_ERRORS), same(CacheState.VALID));
-    expect(entry.getState(DartEntry.SOURCE_KIND), same(CacheState.VALID));
-    expect(entry.getState(DartEntry.TOKEN_STREAM), same(CacheState.VALID));
-
-    expect(entry.getStateInLibrary(DartEntry.BUILT_ELEMENT, librarySource),
-        same(CacheState.INVALID));
-    expect(entry.getStateInLibrary(DartEntry.BUILT_UNIT, librarySource),
-        same(CacheState.INVALID));
-    expect(entry.getStateInLibrary(DartEntry.HINTS, librarySource),
-        same(CacheState.INVALID));
-    expect(entry.getStateInLibrary(DartEntry.RESOLUTION_ERRORS, librarySource),
-        same(CacheState.INVALID));
-    expect(entry.getStateInLibrary(DartEntry.RESOLVED_UNIT, librarySource),
-        same(CacheState.INVALID));
-    expect(
-        entry.getStateInLibrary(DartEntry.VERIFICATION_ERRORS, librarySource),
-        same(CacheState.INVALID));
-  }
-
-  void test_isClient() {
-    DartEntry entry = new DartEntry();
-    // true
-    entry.setValue(DartEntry.IS_CLIENT, true);
-    expect(entry.getValue(DartEntry.IS_CLIENT), isTrue);
-    expect(entry.getState(DartEntry.IS_CLIENT), same(CacheState.VALID));
-    // invalidate
-    entry.setState(DartEntry.IS_CLIENT, CacheState.INVALID);
-    expect(entry.getState(DartEntry.IS_CLIENT), same(CacheState.INVALID));
-    // false
-    entry.setValue(DartEntry.IS_CLIENT, false);
-    expect(entry.getValue(DartEntry.IS_CLIENT), isFalse);
-    expect(entry.getState(DartEntry.IS_CLIENT), same(CacheState.VALID));
-  }
-
-  void test_isLaunchable() {
-    DartEntry entry = new DartEntry();
-    // true
-    entry.setValue(DartEntry.IS_LAUNCHABLE, true);
-    expect(entry.getValue(DartEntry.IS_LAUNCHABLE), isTrue);
-    expect(entry.getState(DartEntry.IS_LAUNCHABLE), same(CacheState.VALID));
-    // invalidate
-    entry.setState(DartEntry.IS_LAUNCHABLE, CacheState.INVALID);
-    expect(entry.getState(DartEntry.IS_LAUNCHABLE), same(CacheState.INVALID));
-    // false
-    entry.setValue(DartEntry.IS_LAUNCHABLE, false);
-    expect(entry.getValue(DartEntry.IS_LAUNCHABLE), isFalse);
-    expect(entry.getState(DartEntry.IS_LAUNCHABLE), same(CacheState.VALID));
-  }
-
-  void test_recordBuildElementError() {
-    Source firstLibrary = new TestSource('first.dart');
-    Source secondLibrary = new TestSource('second.dart');
-    DartEntry entry = _entryWithValidState(firstLibrary, secondLibrary);
-    entry.recordBuildElementErrorInLibrary(
-        firstLibrary, new CaughtException(new AnalysisException(), null));
-    expect(entry.getState(SourceEntry.CONTENT), same(CacheState.VALID));
-    expect(entry.getState(SourceEntry.CONTENT_ERRORS), same(CacheState.VALID));
-    expect(entry.getState(SourceEntry.LINE_INFO), same(CacheState.VALID));
-    expect(
-        entry.getState(DartEntry.CONTAINING_LIBRARIES), same(CacheState.VALID));
-    expect(entry.getState(DartEntry.ELEMENT), same(CacheState.ERROR));
-    expect(
-        entry.getState(DartEntry.EXPORTED_LIBRARIES), same(CacheState.VALID));
-    expect(
-        entry.getState(DartEntry.IMPORTED_LIBRARIES), same(CacheState.VALID));
-    expect(entry.getState(DartEntry.INCLUDED_PARTS), same(CacheState.VALID));
-    expect(entry.getState(DartEntry.IS_CLIENT), same(CacheState.ERROR));
-    expect(entry.getState(DartEntry.IS_LAUNCHABLE), same(CacheState.ERROR));
-    expect(entry.getState(DartEntry.PARSE_ERRORS), same(CacheState.VALID));
-    expect(entry.getState(DartEntry.PARSED_UNIT), same(CacheState.VALID));
-    expect(entry.getState(DartEntry.PUBLIC_NAMESPACE), same(CacheState.ERROR));
-    expect(entry.getState(DartEntry.SCAN_ERRORS), same(CacheState.VALID));
-    expect(entry.getState(DartEntry.SOURCE_KIND), same(CacheState.VALID));
-    expect(entry.getState(DartEntry.TOKEN_STREAM), same(CacheState.VALID));
-
-    expect(entry.getStateInLibrary(DartEntry.BUILT_ELEMENT, firstLibrary),
-        same(CacheState.ERROR));
-    expect(entry.getStateInLibrary(DartEntry.BUILT_UNIT, firstLibrary),
-        same(CacheState.ERROR));
-    expect(entry.getStateInLibrary(DartEntry.HINTS, firstLibrary),
-        same(CacheState.ERROR));
-    expect(entry.getStateInLibrary(DartEntry.RESOLUTION_ERRORS, firstLibrary),
-        same(CacheState.ERROR));
-    expect(entry.getStateInLibrary(DartEntry.RESOLVED_UNIT, firstLibrary),
-        same(CacheState.ERROR));
-    expect(entry.getStateInLibrary(DartEntry.VERIFICATION_ERRORS, firstLibrary),
-        same(CacheState.ERROR));
-
-    expect(entry.getStateInLibrary(DartEntry.BUILT_ELEMENT, secondLibrary),
-        same(CacheState.VALID));
-    expect(entry.getStateInLibrary(DartEntry.BUILT_UNIT, secondLibrary),
-        same(CacheState.VALID));
-    expect(entry.getStateInLibrary(DartEntry.HINTS, secondLibrary),
-        same(CacheState.VALID));
-    expect(entry.getStateInLibrary(DartEntry.RESOLUTION_ERRORS, secondLibrary),
-        same(CacheState.VALID));
-    expect(entry.getStateInLibrary(DartEntry.RESOLVED_UNIT, secondLibrary),
-        same(CacheState.VALID));
-    expect(
-        entry.getStateInLibrary(DartEntry.VERIFICATION_ERRORS, secondLibrary),
-        same(CacheState.VALID));
-  }
-
-  void test_recordContentError() {
-    Source firstLibrary = new TestSource('first.dart');
-//    Source secondLibrary = new TestSource('second.dart');
-    DartEntry entry = _entryWithValidState(firstLibrary);
-    entry
-        .recordContentError(new CaughtException(new AnalysisException(), null));
-    expect(entry.getState(SourceEntry.CONTENT), same(CacheState.ERROR));
-    expect(entry.getState(SourceEntry.CONTENT_ERRORS), same(CacheState.VALID));
-    expect(entry.getState(SourceEntry.LINE_INFO), same(CacheState.ERROR));
-    expect(
-        entry.getState(DartEntry.CONTAINING_LIBRARIES), same(CacheState.VALID));
-    expect(entry.getState(DartEntry.ELEMENT), same(CacheState.ERROR));
-    expect(
-        entry.getState(DartEntry.EXPORTED_LIBRARIES), same(CacheState.ERROR));
-    expect(
-        entry.getState(DartEntry.IMPORTED_LIBRARIES), same(CacheState.ERROR));
-    expect(entry.getState(DartEntry.INCLUDED_PARTS), same(CacheState.ERROR));
-    expect(entry.getState(DartEntry.IS_CLIENT), same(CacheState.ERROR));
-    expect(entry.getState(DartEntry.IS_LAUNCHABLE), same(CacheState.ERROR));
-    expect(entry.getState(DartEntry.PARSE_ERRORS), same(CacheState.ERROR));
-    expect(entry.getState(DartEntry.PARSED_UNIT), same(CacheState.ERROR));
-    expect(entry.getState(DartEntry.PUBLIC_NAMESPACE), same(CacheState.ERROR));
-    expect(entry.getState(DartEntry.SCAN_ERRORS), same(CacheState.ERROR));
-    expect(entry.getState(DartEntry.SOURCE_KIND), same(CacheState.ERROR));
-    expect(entry.getState(DartEntry.TOKEN_STREAM), same(CacheState.ERROR));
-
-    expect(entry.getStateInLibrary(DartEntry.BUILT_ELEMENT, firstLibrary),
-        same(CacheState.ERROR));
-    expect(entry.getStateInLibrary(DartEntry.BUILT_UNIT, firstLibrary),
-        same(CacheState.ERROR));
-    expect(entry.getStateInLibrary(DartEntry.HINTS, firstLibrary),
-        same(CacheState.ERROR));
-    expect(entry.getStateInLibrary(DartEntry.RESOLUTION_ERRORS, firstLibrary),
-        same(CacheState.ERROR));
-    expect(entry.getStateInLibrary(DartEntry.RESOLVED_UNIT, firstLibrary),
-        same(CacheState.ERROR));
-    expect(entry.getStateInLibrary(DartEntry.VERIFICATION_ERRORS, firstLibrary),
-        same(CacheState.ERROR));
-
-    // The following lines are commented out because we don't currently have
-    // any way of setting the state for data associated with a library we
-    // don't know anything about.
-//    expect(entry.getStateInLibrary(DartEntry.ANGULAR_ERRORS, secondLibrary), same(CacheState.ERROR));
-//    expect(entry.getStateInLibrary(DartEntry.BUILT_ELEMENT, secondLibrary), same(CacheState.ERROR));
-//    expect(entry.getStateInLibrary(DartEntry.BUILT_UNIT, secondLibrary), same(CacheState.ERROR));
-//    expect(entry.getStateInLibrary(DartEntry.HINTS, secondLibrary), same(CacheState.ERROR));
-//    expect(entry.getStateInLibrary(DartEntry.RESOLUTION_ERRORS, secondLibrary), same(CacheState.ERROR));
-//    expect(entry.getStateInLibrary(DartEntry.RESOLVED_UNIT, secondLibrary), same(CacheState.ERROR));
-//    expect(entry.getStateInLibrary(DartEntry.VERIFICATION_ERRORS, secondLibrary), same(CacheState.ERROR));
-  }
-
-  void test_recordHintErrorInLibrary() {
-    Source firstLibrary = new TestSource('first.dart');
-    Source secondLibrary = new TestSource('second.dart');
-    DartEntry entry = _entryWithValidState(firstLibrary, secondLibrary);
-    entry.recordHintErrorInLibrary(
-        firstLibrary, new CaughtException(new AnalysisException(), null));
-    expect(entry.getState(SourceEntry.CONTENT), same(CacheState.VALID));
-    expect(entry.getState(SourceEntry.CONTENT_ERRORS), same(CacheState.VALID));
-    expect(entry.getState(SourceEntry.LINE_INFO), same(CacheState.VALID));
-    expect(
-        entry.getState(DartEntry.CONTAINING_LIBRARIES), same(CacheState.VALID));
-    expect(entry.getState(DartEntry.ELEMENT), same(CacheState.VALID));
-    expect(
-        entry.getState(DartEntry.EXPORTED_LIBRARIES), same(CacheState.VALID));
-    expect(
-        entry.getState(DartEntry.IMPORTED_LIBRARIES), same(CacheState.VALID));
-    expect(entry.getState(DartEntry.INCLUDED_PARTS), same(CacheState.VALID));
-    expect(entry.getState(DartEntry.IS_CLIENT), same(CacheState.VALID));
-    expect(entry.getState(DartEntry.IS_LAUNCHABLE), same(CacheState.VALID));
-    expect(entry.getState(DartEntry.PARSE_ERRORS), same(CacheState.VALID));
-    expect(entry.getState(DartEntry.PARSED_UNIT), same(CacheState.VALID));
-    expect(entry.getState(DartEntry.PUBLIC_NAMESPACE), same(CacheState.VALID));
-    expect(entry.getState(DartEntry.SCAN_ERRORS), same(CacheState.VALID));
-    expect(entry.getState(DartEntry.SOURCE_KIND), same(CacheState.VALID));
-    expect(entry.getState(DartEntry.TOKEN_STREAM), same(CacheState.VALID));
-
-    expect(entry.getStateInLibrary(DartEntry.BUILT_ELEMENT, firstLibrary),
-        same(CacheState.VALID));
-    expect(entry.getStateInLibrary(DartEntry.BUILT_UNIT, firstLibrary),
-        same(CacheState.VALID));
-    expect(entry.getStateInLibrary(DartEntry.HINTS, firstLibrary),
-        same(CacheState.ERROR));
-    expect(entry.getStateInLibrary(DartEntry.RESOLUTION_ERRORS, firstLibrary),
-        same(CacheState.VALID));
-    expect(entry.getStateInLibrary(DartEntry.RESOLVED_UNIT, firstLibrary),
-        same(CacheState.VALID));
-    expect(entry.getStateInLibrary(DartEntry.VERIFICATION_ERRORS, firstLibrary),
-        same(CacheState.VALID));
-
-    expect(entry.getStateInLibrary(DartEntry.BUILT_ELEMENT, secondLibrary),
-        same(CacheState.VALID));
-    expect(entry.getStateInLibrary(DartEntry.BUILT_UNIT, secondLibrary),
-        same(CacheState.VALID));
-    expect(entry.getStateInLibrary(DartEntry.HINTS, secondLibrary),
-        same(CacheState.VALID));
-    expect(entry.getStateInLibrary(DartEntry.RESOLUTION_ERRORS, secondLibrary),
-        same(CacheState.VALID));
-    expect(entry.getStateInLibrary(DartEntry.RESOLVED_UNIT, secondLibrary),
-        same(CacheState.VALID));
-    expect(
-        entry.getStateInLibrary(DartEntry.VERIFICATION_ERRORS, secondLibrary),
-        same(CacheState.VALID));
-  }
-
-  void test_recordParseError() {
-    Source firstLibrary = new TestSource('first.dart');
-//    Source secondLibrary = new TestSource('second.dart');
-    DartEntry entry = _entryWithValidState(firstLibrary);
-    entry.recordParseError(new CaughtException(new AnalysisException(), null));
-    expect(entry.getState(SourceEntry.CONTENT), same(CacheState.VALID));
-    expect(entry.getState(SourceEntry.CONTENT_ERRORS), same(CacheState.VALID));
-    expect(entry.getState(SourceEntry.LINE_INFO), same(CacheState.VALID));
-    expect(
-        entry.getState(DartEntry.CONTAINING_LIBRARIES), same(CacheState.VALID));
-    expect(entry.getState(DartEntry.ELEMENT), same(CacheState.ERROR));
-    expect(
-        entry.getState(DartEntry.EXPORTED_LIBRARIES), same(CacheState.ERROR));
-    expect(
-        entry.getState(DartEntry.IMPORTED_LIBRARIES), same(CacheState.ERROR));
-    expect(entry.getState(DartEntry.INCLUDED_PARTS), same(CacheState.ERROR));
-    expect(entry.getState(DartEntry.IS_CLIENT), same(CacheState.ERROR));
-    expect(entry.getState(DartEntry.IS_LAUNCHABLE), same(CacheState.ERROR));
-    expect(entry.getState(DartEntry.PARSE_ERRORS), same(CacheState.ERROR));
-    expect(entry.getState(DartEntry.PARSED_UNIT), same(CacheState.ERROR));
-    expect(entry.getState(DartEntry.PUBLIC_NAMESPACE), same(CacheState.ERROR));
-    expect(entry.getState(DartEntry.SCAN_ERRORS), same(CacheState.VALID));
-    expect(entry.getState(DartEntry.SOURCE_KIND), same(CacheState.ERROR));
-    expect(entry.getState(DartEntry.TOKEN_STREAM), same(CacheState.VALID));
-
-    expect(entry.getStateInLibrary(DartEntry.BUILT_ELEMENT, firstLibrary),
-        same(CacheState.ERROR));
-    expect(entry.getStateInLibrary(DartEntry.BUILT_UNIT, firstLibrary),
-        same(CacheState.ERROR));
-    expect(entry.getStateInLibrary(DartEntry.HINTS, firstLibrary),
-        same(CacheState.ERROR));
-    expect(entry.getStateInLibrary(DartEntry.RESOLUTION_ERRORS, firstLibrary),
-        same(CacheState.ERROR));
-    expect(entry.getStateInLibrary(DartEntry.RESOLVED_UNIT, firstLibrary),
-        same(CacheState.ERROR));
-    expect(entry.getStateInLibrary(DartEntry.VERIFICATION_ERRORS, firstLibrary),
-        same(CacheState.ERROR));
-
-    // The following lines are commented out because we don't currently have
-    // any way of setting the state for data associated with a library we
-    // don't know anything about.
-//    expect(entry.getStateInLibrary(DartEntry.ANGULAR_ERRORS, secondLibrary), same(CacheState.ERROR));
-//    expect(entry.getStateInLibrary(DartEntry.BUILT_ELEMENT, secondLibrary), same(CacheState.ERROR));
-//    expect(entry.getStateInLibrary(DartEntry.BUILT_UNIT, secondLibrary), same(CacheState.ERROR));
-//    expect(entry.getStateInLibrary(DartEntry.HINTS, secondLibrary), same(CacheState.ERROR));
-//    expect(entry.getStateInLibrary(DartEntry.RESOLUTION_ERRORS, secondLibrary), same(CacheState.ERROR));
-//    expect(entry.getStateInLibrary(DartEntry.RESOLVED_UNIT, secondLibrary), same(CacheState.ERROR));
-//    expect(entry.getStateInLibrary(DartEntry.VERIFICATION_ERRORS, secondLibrary), same(CacheState.ERROR));
-  }
-
-  void test_recordResolutionError() {
-    Source firstLibrary = new TestSource('first.dart');
-//    Source secondLibrary = new TestSource('second.dart');
-    DartEntry entry = _entryWithValidState(firstLibrary);
-    entry.recordResolutionError(
-        new CaughtException(new AnalysisException(), null));
-    expect(entry.getState(SourceEntry.CONTENT), same(CacheState.VALID));
-    expect(entry.getState(SourceEntry.CONTENT_ERRORS), same(CacheState.VALID));
-    expect(entry.getState(SourceEntry.LINE_INFO), same(CacheState.VALID));
-    expect(
-        entry.getState(DartEntry.CONTAINING_LIBRARIES), same(CacheState.VALID));
-    expect(entry.getState(DartEntry.ELEMENT), same(CacheState.ERROR));
-    expect(
-        entry.getState(DartEntry.EXPORTED_LIBRARIES), same(CacheState.VALID));
-    expect(
-        entry.getState(DartEntry.IMPORTED_LIBRARIES), same(CacheState.VALID));
-    expect(entry.getState(DartEntry.INCLUDED_PARTS), same(CacheState.VALID));
-    expect(entry.getState(DartEntry.IS_CLIENT), same(CacheState.ERROR));
-    expect(entry.getState(DartEntry.IS_LAUNCHABLE), same(CacheState.ERROR));
-    expect(entry.getState(DartEntry.PARSE_ERRORS), same(CacheState.VALID));
-    expect(entry.getState(DartEntry.PARSED_UNIT), same(CacheState.VALID));
-    expect(entry.getState(DartEntry.PUBLIC_NAMESPACE), same(CacheState.ERROR));
-    expect(entry.getState(DartEntry.SCAN_ERRORS), same(CacheState.VALID));
-    expect(entry.getState(DartEntry.SOURCE_KIND), same(CacheState.VALID));
-    expect(entry.getState(DartEntry.TOKEN_STREAM), same(CacheState.VALID));
-
-    expect(entry.getStateInLibrary(DartEntry.BUILT_ELEMENT, firstLibrary),
-        same(CacheState.ERROR));
-    expect(entry.getStateInLibrary(DartEntry.BUILT_UNIT, firstLibrary),
-        same(CacheState.ERROR));
-    expect(entry.getStateInLibrary(DartEntry.HINTS, firstLibrary),
-        same(CacheState.ERROR));
-    expect(entry.getStateInLibrary(DartEntry.RESOLUTION_ERRORS, firstLibrary),
-        same(CacheState.ERROR));
-    expect(entry.getStateInLibrary(DartEntry.RESOLVED_UNIT, firstLibrary),
-        same(CacheState.ERROR));
-    expect(entry.getStateInLibrary(DartEntry.VERIFICATION_ERRORS, firstLibrary),
-        same(CacheState.ERROR));
-
-    // The following lines are commented out because we don't currently have
-    // any way of setting the state for data associated with a library we
-    // don't know anything about.
-//    expect(entry.getStateInLibrary(DartEntry.ANGULAR_ERRORS, secondLibrary), same(CacheState.ERROR));
-//    expect(entry.getStateInLibrary(DartEntry.BUILT_ELEMENT, secondLibrary), same(CacheState.ERROR));
-//    expect(entry.getStateInLibrary(DartEntry.BUILT_UNIT, secondLibrary), same(CacheState.ERROR));
-//    expect(entry.getStateInLibrary(DartEntry.HINTS, secondLibrary), same(CacheState.ERROR));
-//    expect(entry.getStateInLibrary(DartEntry.RESOLUTION_ERRORS, secondLibrary), same(CacheState.ERROR));
-//    expect(entry.getStateInLibrary(DartEntry.RESOLVED_UNIT, secondLibrary), same(CacheState.ERROR));
-//    expect(entry.getStateInLibrary(DartEntry.VERIFICATION_ERRORS, secondLibrary), same(CacheState.ERROR));
-  }
-
-  void test_recordResolutionErrorInLibrary() {
-    Source firstLibrary = new TestSource('first.dart');
-    Source secondLibrary = new TestSource('second.dart');
-    DartEntry entry = _entryWithValidState(firstLibrary, secondLibrary);
-    entry.recordResolutionErrorInLibrary(
-        firstLibrary, new CaughtException(new AnalysisException(), null));
-    expect(entry.getState(SourceEntry.CONTENT), same(CacheState.VALID));
-    expect(entry.getState(SourceEntry.CONTENT_ERRORS), same(CacheState.VALID));
-    expect(entry.getState(SourceEntry.LINE_INFO), same(CacheState.VALID));
-    expect(
-        entry.getState(DartEntry.CONTAINING_LIBRARIES), same(CacheState.VALID));
-    expect(entry.getState(DartEntry.ELEMENT), same(CacheState.ERROR));
-    expect(
-        entry.getState(DartEntry.EXPORTED_LIBRARIES), same(CacheState.VALID));
-    expect(
-        entry.getState(DartEntry.IMPORTED_LIBRARIES), same(CacheState.VALID));
-    expect(entry.getState(DartEntry.INCLUDED_PARTS), same(CacheState.VALID));
-    expect(entry.getState(DartEntry.IS_CLIENT), same(CacheState.ERROR));
-    expect(entry.getState(DartEntry.IS_LAUNCHABLE), same(CacheState.ERROR));
-    expect(entry.getState(DartEntry.PARSE_ERRORS), same(CacheState.VALID));
-    expect(entry.getState(DartEntry.PARSED_UNIT), same(CacheState.VALID));
-    expect(entry.getState(DartEntry.PUBLIC_NAMESPACE), same(CacheState.ERROR));
-    expect(entry.getState(DartEntry.SCAN_ERRORS), same(CacheState.VALID));
-    expect(entry.getState(DartEntry.SOURCE_KIND), same(CacheState.VALID));
-    expect(entry.getState(DartEntry.TOKEN_STREAM), same(CacheState.VALID));
-
-    expect(entry.getStateInLibrary(DartEntry.BUILT_ELEMENT, firstLibrary),
-        same(CacheState.VALID));
-    expect(entry.getStateInLibrary(DartEntry.BUILT_UNIT, firstLibrary),
-        same(CacheState.VALID));
-    expect(entry.getStateInLibrary(DartEntry.HINTS, firstLibrary),
-        same(CacheState.ERROR));
-    expect(entry.getStateInLibrary(DartEntry.RESOLUTION_ERRORS, firstLibrary),
-        same(CacheState.ERROR));
-    expect(entry.getStateInLibrary(DartEntry.RESOLVED_UNIT, firstLibrary),
-        same(CacheState.ERROR));
-    expect(entry.getStateInLibrary(DartEntry.VERIFICATION_ERRORS, firstLibrary),
-        same(CacheState.ERROR));
-
-    expect(entry.getStateInLibrary(DartEntry.BUILT_ELEMENT, secondLibrary),
-        same(CacheState.VALID));
-    expect(entry.getStateInLibrary(DartEntry.BUILT_UNIT, secondLibrary),
-        same(CacheState.VALID));
-    expect(entry.getStateInLibrary(DartEntry.HINTS, secondLibrary),
-        same(CacheState.VALID));
-    expect(entry.getStateInLibrary(DartEntry.RESOLUTION_ERRORS, secondLibrary),
-        same(CacheState.VALID));
-    expect(entry.getStateInLibrary(DartEntry.RESOLVED_UNIT, secondLibrary),
-        same(CacheState.VALID));
-    expect(
-        entry.getStateInLibrary(DartEntry.VERIFICATION_ERRORS, secondLibrary),
-        same(CacheState.VALID));
-  }
-
-  void test_recordScanError() {
-    Source firstLibrary = new TestSource('first.dart');
-//    Source secondLibrary = new TestSource('second.dart');
-    DartEntry entry = _entryWithValidState(firstLibrary);
-    entry.recordScanError(new CaughtException(new AnalysisException(), null));
-    expect(entry.getState(SourceEntry.CONTENT), same(CacheState.VALID));
-    expect(entry.getState(SourceEntry.CONTENT_ERRORS), same(CacheState.VALID));
-    expect(entry.getState(SourceEntry.LINE_INFO), same(CacheState.ERROR));
-    expect(
-        entry.getState(DartEntry.CONTAINING_LIBRARIES), same(CacheState.VALID));
-    expect(entry.getState(DartEntry.ELEMENT), same(CacheState.ERROR));
-    expect(
-        entry.getState(DartEntry.EXPORTED_LIBRARIES), same(CacheState.ERROR));
-    expect(
-        entry.getState(DartEntry.IMPORTED_LIBRARIES), same(CacheState.ERROR));
-    expect(entry.getState(DartEntry.INCLUDED_PARTS), same(CacheState.ERROR));
-    expect(entry.getState(DartEntry.IS_CLIENT), same(CacheState.ERROR));
-    expect(entry.getState(DartEntry.IS_LAUNCHABLE), same(CacheState.ERROR));
-    expect(entry.getState(DartEntry.PARSE_ERRORS), same(CacheState.ERROR));
-    expect(entry.getState(DartEntry.PARSED_UNIT), same(CacheState.ERROR));
-    expect(entry.getState(DartEntry.PUBLIC_NAMESPACE), same(CacheState.ERROR));
-    expect(entry.getState(DartEntry.SCAN_ERRORS), same(CacheState.ERROR));
-    expect(entry.getState(DartEntry.SOURCE_KIND), same(CacheState.ERROR));
-    expect(entry.getState(DartEntry.TOKEN_STREAM), same(CacheState.ERROR));
-
-    expect(entry.getStateInLibrary(DartEntry.BUILT_ELEMENT, firstLibrary),
-        same(CacheState.ERROR));
-    expect(entry.getStateInLibrary(DartEntry.BUILT_UNIT, firstLibrary),
-        same(CacheState.ERROR));
-    expect(entry.getStateInLibrary(DartEntry.HINTS, firstLibrary),
-        same(CacheState.ERROR));
-    expect(entry.getStateInLibrary(DartEntry.RESOLUTION_ERRORS, firstLibrary),
-        same(CacheState.ERROR));
-    expect(entry.getStateInLibrary(DartEntry.RESOLVED_UNIT, firstLibrary),
-        same(CacheState.ERROR));
-    expect(entry.getStateInLibrary(DartEntry.VERIFICATION_ERRORS, firstLibrary),
-        same(CacheState.ERROR));
-
-    // The following lines are commented out because we don't currently have
-    // any way of setting the state for data associated with a library we
-    // don't know anything about.
-//    expect(entry.getStateInLibrary(DartEntry.ANGULAR_ERRORS, secondLibrary), same(CacheState.ERROR));
-//    expect(entry.getStateInLibrary(DartEntry.BUILT_ELEMENT, secondLibrary), same(CacheState.ERROR));
-//    expect(entry.getStateInLibrary(DartEntry.BUILT_UNIT, secondLibrary), same(CacheState.ERROR));
-//    expect(entry.getStateInLibrary(DartEntry.HINTS, secondLibrary), same(CacheState.ERROR));
-//    expect(entry.getStateInLibrary(DartEntry.RESOLUTION_ERRORS, secondLibrary), same(CacheState.ERROR));
-//    expect(entry.getStateInLibrary(DartEntry.RESOLVED_UNIT, secondLibrary), same(CacheState.ERROR));
-//    expect(entry.getStateInLibrary(DartEntry.VERIFICATION_ERRORS, secondLibrary), same(CacheState.ERROR));
-  }
-
-  void test_recordVerificationErrorInLibrary() {
-    Source firstLibrary = new TestSource('first.dart');
-    Source secondLibrary = new TestSource('second.dart');
-    DartEntry entry = _entryWithValidState(firstLibrary, secondLibrary);
-    entry.recordVerificationErrorInLibrary(
-        firstLibrary, new CaughtException(new AnalysisException(), null));
-    expect(entry.getState(SourceEntry.CONTENT), same(CacheState.VALID));
-    expect(entry.getState(SourceEntry.CONTENT_ERRORS), same(CacheState.VALID));
-    expect(entry.getState(SourceEntry.LINE_INFO), same(CacheState.VALID));
-    expect(
-        entry.getState(DartEntry.CONTAINING_LIBRARIES), same(CacheState.VALID));
-    expect(entry.getState(DartEntry.ELEMENT), same(CacheState.VALID));
-    expect(
-        entry.getState(DartEntry.EXPORTED_LIBRARIES), same(CacheState.VALID));
-    expect(
-        entry.getState(DartEntry.IMPORTED_LIBRARIES), same(CacheState.VALID));
-    expect(entry.getState(DartEntry.INCLUDED_PARTS), same(CacheState.VALID));
-    expect(entry.getState(DartEntry.IS_CLIENT), same(CacheState.VALID));
-    expect(entry.getState(DartEntry.IS_LAUNCHABLE), same(CacheState.VALID));
-    expect(entry.getState(DartEntry.PARSE_ERRORS), same(CacheState.VALID));
-    expect(entry.getState(DartEntry.PARSED_UNIT), same(CacheState.VALID));
-    expect(entry.getState(DartEntry.PUBLIC_NAMESPACE), same(CacheState.VALID));
-    expect(entry.getState(DartEntry.SCAN_ERRORS), same(CacheState.VALID));
-    expect(entry.getState(DartEntry.SOURCE_KIND), same(CacheState.VALID));
-    expect(entry.getState(DartEntry.TOKEN_STREAM), same(CacheState.VALID));
-
-    expect(entry.getStateInLibrary(DartEntry.BUILT_ELEMENT, firstLibrary),
-        same(CacheState.VALID));
-    expect(entry.getStateInLibrary(DartEntry.BUILT_UNIT, firstLibrary),
-        same(CacheState.VALID));
-    expect(entry.getStateInLibrary(DartEntry.HINTS, firstLibrary),
-        same(CacheState.ERROR));
-    expect(entry.getStateInLibrary(DartEntry.RESOLUTION_ERRORS, firstLibrary),
-        same(CacheState.VALID));
-    expect(entry.getStateInLibrary(DartEntry.RESOLVED_UNIT, firstLibrary),
-        same(CacheState.VALID));
-    expect(entry.getStateInLibrary(DartEntry.VERIFICATION_ERRORS, firstLibrary),
-        same(CacheState.ERROR));
-
-    expect(entry.getStateInLibrary(DartEntry.BUILT_ELEMENT, secondLibrary),
-        same(CacheState.VALID));
-    expect(entry.getStateInLibrary(DartEntry.BUILT_UNIT, secondLibrary),
-        same(CacheState.VALID));
-    expect(entry.getStateInLibrary(DartEntry.HINTS, secondLibrary),
-        same(CacheState.VALID));
-    expect(entry.getStateInLibrary(DartEntry.RESOLUTION_ERRORS, secondLibrary),
-        same(CacheState.VALID));
-    expect(entry.getStateInLibrary(DartEntry.RESOLVED_UNIT, secondLibrary),
-        same(CacheState.VALID));
-    expect(
-        entry.getStateInLibrary(DartEntry.VERIFICATION_ERRORS, secondLibrary),
-        same(CacheState.VALID));
-  }
-
-  void test_removeResolution_multiple_first() {
-    Source source1 = new TestSource('first.dart');
-    Source source2 = new TestSource('second.dart');
-    Source source3 = new TestSource('third.dart');
-    DartEntry entry = new DartEntry();
-    entry.setValueInLibrary(
-        DartEntry.RESOLVED_UNIT, source1, AstFactory.compilationUnit());
-    entry.setValueInLibrary(
-        DartEntry.RESOLVED_UNIT, source2, AstFactory.compilationUnit());
-    entry.setValueInLibrary(
-        DartEntry.RESOLVED_UNIT, source3, AstFactory.compilationUnit());
-    entry.removeResolution(source1);
-  }
-
-  void test_removeResolution_multiple_last() {
-    Source source1 = new TestSource('first.dart');
-    Source source2 = new TestSource('second.dart');
-    Source source3 = new TestSource('third.dart');
-    DartEntry entry = new DartEntry();
-    entry.setValueInLibrary(
-        DartEntry.RESOLVED_UNIT, source1, AstFactory.compilationUnit());
-    entry.setValueInLibrary(
-        DartEntry.RESOLVED_UNIT, source2, AstFactory.compilationUnit());
-    entry.setValueInLibrary(
-        DartEntry.RESOLVED_UNIT, source3, AstFactory.compilationUnit());
-    entry.removeResolution(source3);
-  }
-
-  void test_removeResolution_multiple_middle() {
-    Source source1 = new TestSource('first.dart');
-    Source source2 = new TestSource('second.dart');
-    Source source3 = new TestSource('third.dart');
-    DartEntry entry = new DartEntry();
-    entry.setValueInLibrary(
-        DartEntry.RESOLVED_UNIT, source1, AstFactory.compilationUnit());
-    entry.setValueInLibrary(
-        DartEntry.RESOLVED_UNIT, source2, AstFactory.compilationUnit());
-    entry.setValueInLibrary(
-        DartEntry.RESOLVED_UNIT, source3, AstFactory.compilationUnit());
-    entry.removeResolution(source2);
-  }
-
-  void test_removeResolution_single() {
-    Source source1 = new TestSource();
-    DartEntry entry = new DartEntry();
-    entry.setValueInLibrary(
-        DartEntry.RESOLVED_UNIT, source1, AstFactory.compilationUnit());
-    entry.removeResolution(source1);
-  }
-
-  void test_resolvableCompilationUnit_builtUnit() {
-    Source librarySource = new TestSource('/lib.dart');
-    CompilationUnit unit = AstFactory.compilationUnit();
-    CompilationUnitElement element =
-        ElementFactory.compilationUnit('test.dart');
-    unit.element = element;
-    DartEntry entry = new DartEntry();
-    entry.setState(DartEntry.PARSED_UNIT, CacheState.FLUSHED);
-    entry.setValueInLibrary(DartEntry.BUILT_UNIT, librarySource, unit);
-    entry.invalidateAllResolutionInformation(false);
-    CompilationUnit resolvableUnit = entry.resolvableCompilationUnit;
-    expect(resolvableUnit, isNotNull);
-    expect(resolvableUnit.element, isNull);
-    expect(entry.resolvableCompilationUnit, isNull);
-  }
-
-  void test_resolvableCompilationUnit_none() {
-    DartEntry entry = new DartEntry();
-    expect(entry.resolvableCompilationUnit, isNull);
-  }
-
-  void test_resolvableCompilationUnit_parsed() {
-    CompilationUnit unit = AstFactory.compilationUnit();
-    DartEntry entry = new DartEntry();
-    entry.setValue(DartEntry.PARSED_UNIT, unit);
-    expect(entry.resolvableCompilationUnit, unit);
-    expect(entry.resolvableCompilationUnit, isNull);
-  }
-
-  void test_resolvableCompilationUnit_resolved() {
-    Source librarySource = new TestSource('/lib.dart');
-    CompilationUnit unit = AstFactory.compilationUnit();
-    CompilationUnitElement element =
-        ElementFactory.compilationUnit('test.dart');
-    unit.element = element;
-    DartEntry entry = new DartEntry();
-    entry.setState(DartEntry.PARSED_UNIT, CacheState.FLUSHED);
-    entry.setValueInLibrary(DartEntry.RESOLVED_UNIT, librarySource, unit);
-    entry.invalidateAllResolutionInformation(false);
-    CompilationUnit resolvableUnit = entry.resolvableCompilationUnit;
-    expect(resolvableUnit, isNotNull);
-    expect(resolvableUnit.element, isNull);
-    expect(entry.resolvableCompilationUnit, isNull);
-  }
-
-  void test_setState_element() {
-    _setState(DartEntry.ELEMENT);
-  }
-
-  void test_setState_exportedLibraries() {
-    _setState(DartEntry.EXPORTED_LIBRARIES);
-  }
-
-  void test_setState_hints() {
-    _setStateInLibrary(DartEntry.HINTS);
-  }
-
-  void test_setState_importedLibraries() {
-    _setState(DartEntry.IMPORTED_LIBRARIES);
-  }
-
-  void test_setState_includedParts() {
-    _setState(DartEntry.INCLUDED_PARTS);
-  }
-
-  void test_setState_invalid_element() {
-    DartEntry entry = new DartEntry();
-    try {
-      entry.setStateInLibrary(DartEntry.ELEMENT, null, CacheState.FLUSHED);
-      fail("Expected ArgumentError for ELEMENT");
-    } on ArgumentError {
-      // Expected
-    }
-  }
-
-  void test_setState_invalid_resolutionErrors() {
-    DartEntry entry = new DartEntry();
-    try {
-      entry.setState(DartEntry.RESOLUTION_ERRORS, CacheState.FLUSHED);
-      fail("Expected ArgumentError for RESOLUTION_ERRORS");
-    } on ArgumentError {
-      // Expected
-    }
-  }
-
-  void test_setState_invalid_validState() {
-    DartEntry entry = new DartEntry();
-    try {
-      entry.setState(SourceEntry.LINE_INFO, CacheState.VALID);
-      fail("Expected ArgumentError for a state of VALID");
-    } on ArgumentError {}
-  }
-
-  void test_setState_invalid_verificationErrors() {
-    DartEntry entry = new DartEntry();
-    try {
-      entry.setState(DartEntry.VERIFICATION_ERRORS, CacheState.FLUSHED);
-      fail("Expected ArgumentError for VERIFICATION_ERRORS");
-    } on ArgumentError {
-      // Expected
-    }
-  }
-
-  void test_setState_isClient() {
-    _setState(DartEntry.IS_CLIENT);
-  }
-
-  void test_setState_isLaunchable() {
-    _setState(DartEntry.IS_LAUNCHABLE);
-  }
-
-  void test_setState_lineInfo() {
-    _setState(SourceEntry.LINE_INFO);
-  }
-
-  void test_setState_parsedUnit() {
-    _setState(DartEntry.PARSED_UNIT);
-  }
-
-  void test_setState_parseErrors() {
-    _setState(DartEntry.PARSE_ERRORS);
-  }
-
-  void test_setState_publicNamespace() {
-    _setState(DartEntry.PUBLIC_NAMESPACE);
-  }
-
-  void test_setState_resolutionErrors() {
-    _setStateInLibrary(DartEntry.RESOLUTION_ERRORS);
-  }
-
-  void test_setState_resolvedUnit() {
-    _setStateInLibrary(DartEntry.RESOLVED_UNIT);
-  }
-
-  void test_setState_scanErrors() {
-    _setState(DartEntry.SCAN_ERRORS);
-  }
-
-  void test_setState_sourceKind() {
-    _setState(DartEntry.SOURCE_KIND);
-  }
-
-  void test_setState_tokenStream() {
-    _setState(DartEntry.TOKEN_STREAM);
-  }
-
-  void test_setState_verificationErrors() {
-    _setStateInLibrary(DartEntry.VERIFICATION_ERRORS);
-  }
-
-  void test_setValue_element() {
-    _setValue(
-        DartEntry.ELEMENT,
-        new LibraryElementImpl.forNode(
-            null, AstFactory.libraryIdentifier2(["lib"])));
-  }
-
-  void test_setValue_exportedLibraries() {
-    _setValue(DartEntry.EXPORTED_LIBRARIES, <Source>[new TestSource()]);
-  }
-
-  void test_setValue_hints() {
-    _setValueInLibrary(DartEntry.HINTS,
-        <AnalysisError>[new AnalysisError(null, 0, 0, HintCode.DEAD_CODE)]);
-  }
-
-  void test_setValue_importedLibraries() {
-    _setValue(DartEntry.IMPORTED_LIBRARIES, <Source>[new TestSource()]);
-  }
-
-  void test_setValue_includedParts() {
-    _setValue(DartEntry.INCLUDED_PARTS, <Source>[new TestSource()]);
-  }
-
-  void test_setValue_isClient() {
-    _setValue(DartEntry.IS_CLIENT, true);
-  }
-
-  void test_setValue_isLaunchable() {
-    _setValue(DartEntry.IS_LAUNCHABLE, true);
-  }
-
-  void test_setValue_lineInfo() {
-    _setValue(SourceEntry.LINE_INFO, new LineInfo(<int>[0]));
-  }
-
-  void test_setValue_parsedUnit() {
-    _setValue(DartEntry.PARSED_UNIT, AstFactory.compilationUnit());
-  }
-
-  void test_setValue_parseErrors() {
-    _setValue(DartEntry.PARSE_ERRORS, <AnalysisError>[
-      new AnalysisError(null, 0, 0, ParserErrorCode.ABSTRACT_CLASS_MEMBER)
-    ]);
-  }
-
-  void test_setValue_publicNamespace() {
-    _setValue(DartEntry.PUBLIC_NAMESPACE,
-        new Namespace(new HashMap<String, Element>()));
-  }
-
-  void test_setValue_resolutionErrors() {
-    _setValueInLibrary(DartEntry.RESOLUTION_ERRORS, <AnalysisError>[
-      new AnalysisError(
-          null, 0, 0, CompileTimeErrorCode.CONST_CONSTRUCTOR_THROWS_EXCEPTION)
-    ]);
-  }
-
-  void test_setValue_resolvedUnit() {
-    _setValueInLibrary(DartEntry.RESOLVED_UNIT, AstFactory.compilationUnit());
-  }
-
-  void test_setValue_scanErrors() {
-    _setValue(DartEntry.SCAN_ERRORS, <AnalysisError>[
-      new AnalysisError(
-          null, 0, 0, ScannerErrorCode.UNTERMINATED_MULTI_LINE_COMMENT)
-    ]);
-  }
-
-  void test_setValue_sourceKind() {
-    _setValue(DartEntry.SOURCE_KIND, SourceKind.LIBRARY);
-  }
-
-  void test_setValue_tokenStream() {
-    _setValue(DartEntry.TOKEN_STREAM, new Token(TokenType.LT, 5));
-  }
-
-  void test_setValue_verificationErrors() {
-    _setValueInLibrary(DartEntry.VERIFICATION_ERRORS, <AnalysisError>[
-      new AnalysisError(null, 0, 0, StaticWarningCode.CASE_BLOCK_NOT_TERMINATED)
-    ]);
-  }
-
-  DartEntry _entryWithValidState([Source firstLibrary, Source secondLibrary]) {
-    DartEntry entry = new DartEntry();
-    entry.setValue(SourceEntry.CONTENT, null);
-    entry.setValue(SourceEntry.CONTENT_ERRORS, null);
-    entry.setValue(SourceEntry.LINE_INFO, null);
-    entry.setValue(DartEntry.CONTAINING_LIBRARIES, null);
-    entry.setValue(DartEntry.ELEMENT, null);
-    entry.setValue(DartEntry.EXPORTED_LIBRARIES, null);
-    entry.setValue(DartEntry.IMPORTED_LIBRARIES, null);
-    entry.setValue(DartEntry.INCLUDED_PARTS, null);
-    entry.setValue(DartEntry.IS_CLIENT, null);
-    entry.setValue(DartEntry.IS_LAUNCHABLE, null);
-    entry.setValue(DartEntry.PARSE_ERRORS, null);
-    entry.setValue(DartEntry.PARSED_UNIT, null);
-    entry.setValue(DartEntry.PUBLIC_NAMESPACE, null);
-    entry.setValue(DartEntry.SCAN_ERRORS, null);
-    entry.setValue(DartEntry.SOURCE_KIND, null);
-    entry.setValue(DartEntry.TOKEN_STREAM, null);
-    if (firstLibrary != null) {
-      entry.setValueInLibrary(DartEntry.BUILT_ELEMENT, firstLibrary, null);
-      entry.setValueInLibrary(DartEntry.BUILT_UNIT, firstLibrary, null);
-      entry.setValueInLibrary(DartEntry.HINTS, firstLibrary, null);
-      entry.setValueInLibrary(DartEntry.RESOLUTION_ERRORS, firstLibrary, null);
-      entry.setValueInLibrary(DartEntry.RESOLVED_UNIT, firstLibrary, null);
-      entry.setValueInLibrary(
-          DartEntry.VERIFICATION_ERRORS, firstLibrary, null);
-    }
-    if (secondLibrary != null) {
-      entry.setValueInLibrary(DartEntry.BUILT_ELEMENT, secondLibrary, null);
-      entry.setValueInLibrary(DartEntry.BUILT_UNIT, secondLibrary, null);
-      entry.setValueInLibrary(DartEntry.HINTS, secondLibrary, null);
-      entry.setValueInLibrary(DartEntry.RESOLUTION_ERRORS, secondLibrary, null);
-      entry.setValueInLibrary(DartEntry.RESOLVED_UNIT, secondLibrary, null);
-      entry.setValueInLibrary(
-          DartEntry.VERIFICATION_ERRORS, secondLibrary, null);
-    }
-    //
-    // Validate that the state was set correctly.
-    //
-    expect(entry.getState(SourceEntry.CONTENT), same(CacheState.VALID));
-    expect(entry.getState(SourceEntry.CONTENT_ERRORS), same(CacheState.VALID));
-    expect(entry.getState(SourceEntry.LINE_INFO), same(CacheState.VALID));
-    expect(
-        entry.getState(DartEntry.CONTAINING_LIBRARIES), same(CacheState.VALID));
-    expect(entry.getState(DartEntry.ELEMENT), same(CacheState.VALID));
-    expect(
-        entry.getState(DartEntry.EXPORTED_LIBRARIES), same(CacheState.VALID));
-    expect(
-        entry.getState(DartEntry.IMPORTED_LIBRARIES), same(CacheState.VALID));
-    expect(entry.getState(DartEntry.INCLUDED_PARTS), same(CacheState.VALID));
-    expect(entry.getState(DartEntry.IS_CLIENT), same(CacheState.VALID));
-    expect(entry.getState(DartEntry.IS_LAUNCHABLE), same(CacheState.VALID));
-    expect(entry.getState(DartEntry.PARSE_ERRORS), same(CacheState.VALID));
-    expect(entry.getState(DartEntry.PARSED_UNIT), same(CacheState.VALID));
-    expect(entry.getState(DartEntry.PUBLIC_NAMESPACE), same(CacheState.VALID));
-    expect(entry.getState(DartEntry.SCAN_ERRORS), same(CacheState.VALID));
-    expect(entry.getState(DartEntry.SOURCE_KIND), same(CacheState.VALID));
-    expect(entry.getState(DartEntry.TOKEN_STREAM), same(CacheState.VALID));
-    if (firstLibrary != null) {
-      expect(entry.getStateInLibrary(DartEntry.BUILT_ELEMENT, firstLibrary),
-          same(CacheState.VALID));
-      expect(entry.getStateInLibrary(DartEntry.BUILT_UNIT, firstLibrary),
-          same(CacheState.VALID));
-      expect(entry.getStateInLibrary(DartEntry.HINTS, firstLibrary),
-          same(CacheState.VALID));
-      expect(entry.getStateInLibrary(DartEntry.RESOLUTION_ERRORS, firstLibrary),
-          same(CacheState.VALID));
-      expect(entry.getStateInLibrary(DartEntry.RESOLVED_UNIT, firstLibrary),
-          same(CacheState.VALID));
-      expect(
-          entry.getStateInLibrary(DartEntry.VERIFICATION_ERRORS, firstLibrary),
-          same(CacheState.VALID));
-    }
-    if (secondLibrary != null) {
-      expect(entry.getStateInLibrary(DartEntry.BUILT_ELEMENT, secondLibrary),
-          same(CacheState.VALID));
-      expect(entry.getStateInLibrary(DartEntry.BUILT_UNIT, secondLibrary),
-          same(CacheState.VALID));
-      expect(entry.getStateInLibrary(DartEntry.HINTS, secondLibrary),
-          same(CacheState.VALID));
-      expect(
-          entry.getStateInLibrary(DartEntry.RESOLUTION_ERRORS, secondLibrary),
-          same(CacheState.VALID));
-      expect(entry.getStateInLibrary(DartEntry.RESOLVED_UNIT, secondLibrary),
-          same(CacheState.VALID));
-      expect(
-          entry.getStateInLibrary(DartEntry.VERIFICATION_ERRORS, secondLibrary),
-          same(CacheState.VALID));
-    }
-    return entry;
-  }
-
-  void _setState(DataDescriptor descriptor) {
-    DartEntry entry = new DartEntry();
-    expect(entry.getState(descriptor), isNot(same(CacheState.FLUSHED)));
-    entry.setState(descriptor, CacheState.FLUSHED);
-    expect(entry.getState(descriptor), same(CacheState.FLUSHED));
-  }
-
-  void _setStateInLibrary(DataDescriptor descriptor) {
-    Source source = new TestSource();
-    DartEntry entry = new DartEntry();
-    expect(entry.getStateInLibrary(descriptor, source),
-        isNot(same(CacheState.FLUSHED)));
-    entry.setStateInLibrary(descriptor, source, CacheState.FLUSHED);
-    expect(
-        entry.getStateInLibrary(descriptor, source), same(CacheState.FLUSHED));
-  }
-
-  void _setValue(DataDescriptor descriptor, Object newValue) {
-    DartEntry entry = new DartEntry();
-    Object value = entry.getValue(descriptor);
-    expect(newValue, isNot(same(value)));
-    entry.setValue(descriptor, newValue);
-    expect(entry.getState(descriptor), same(CacheState.VALID));
-    expect(entry.getValue(descriptor), same(newValue));
-  }
-
-  void _setValueInLibrary(DataDescriptor descriptor, Object newValue) {
-    Source source = new TestSource();
-    DartEntry entry = new DartEntry();
-    Object value = entry.getValueInLibrary(descriptor, source);
-    expect(newValue, isNot(same(value)));
-    entry.setValueInLibrary(descriptor, source, newValue);
-    expect(entry.getStateInLibrary(descriptor, source), same(CacheState.VALID));
-    expect(entry.getValueInLibrary(descriptor, source), same(newValue));
-  }
-}
-
-@reflectiveTest
-class GenerateDartErrorsTaskTest extends EngineTestCase {
-  void test_accept() {
-    GenerateDartErrorsTask task =
-        new GenerateDartErrorsTask(null, null, null, null);
-    expect(task.accept(new GenerateDartErrorsTaskTestTV_accept()), isTrue);
-  }
-
-  void test_getException() {
-    GenerateDartErrorsTask task =
-        new GenerateDartErrorsTask(null, null, null, null);
-    expect(task.exception, isNull);
-  }
-
-  void test_getLibraryElement() {
-    InternalAnalysisContext context = AnalysisContextFactory.contextWithCore();
-    LibraryElement element = ElementFactory.library(context, "lib");
-    GenerateDartErrorsTask task =
-        new GenerateDartErrorsTask(context, null, null, element);
-    expect(task.libraryElement, same(element));
-  }
-
-  void test_getSource() {
-    Source source =
-        new FileBasedSource(FileUtilities2.createFile("/test.dart"));
-    GenerateDartErrorsTask task =
-        new GenerateDartErrorsTask(null, source, null, null);
-    expect(task.source, same(source));
-  }
-
-  void test_perform() {
-    InternalAnalysisContext context = AnalysisContextFactory.contextWithCore();
-    Source source =
-        new FileBasedSource(FileUtilities2.createFile("/test.dart"));
-    ChangeSet changeSet = new ChangeSet();
-    changeSet.addedSource(source);
-    context.applyChanges(changeSet);
-    context.setContents(
-        source,
-        r'''
-library lib;
-class A {
-  int f = new A();
-}''');
-    LibraryElement libraryElement = context.computeLibraryElement(source);
-    CompilationUnit unit =
-        context.getResolvedCompilationUnit(source, libraryElement);
-    GenerateDartErrorsTask task =
-        new GenerateDartErrorsTask(context, source, unit, libraryElement);
-    task.perform(
-        new GenerateDartErrorsTaskTestTV_perform(libraryElement, source));
-  }
-
-  void test_perform_validateDirectives() {
-    InternalAnalysisContext context = AnalysisContextFactory.contextWithCore();
-    Source source =
-        new FileBasedSource(FileUtilities2.createFile("/test.dart"));
-    ChangeSet changeSet = new ChangeSet();
-    changeSet.addedSource(source);
-    context.applyChanges(changeSet);
-    // TODO(scheglov) "import" causes second error reported
-//    context.setContents(source, EngineTestCase.createSource([
-//        "library lib;",
-//        "import 'invaliduri^.dart';",
-//        "export '\${a}lib3.dart';",
-//        "part '/does/not/exist.dart';",
-//        "class A {}"]));
-    context.setContents(
-        source,
-        r'''
-library lib;
-part '/does/not/exist.dart';
-class A {}''');
-    LibraryElement libraryElement = context.computeLibraryElement(source);
-    CompilationUnit unit =
-        context.getResolvedCompilationUnit(source, libraryElement);
-    GenerateDartErrorsTask task =
-        new GenerateDartErrorsTask(context, source, unit, libraryElement);
-    task.perform(new GenerateDartErrorsTaskTestTV_perform_validateDirectives(
-        libraryElement, source));
-  }
-}
-
-class GenerateDartErrorsTaskTestTV_accept extends TestTaskVisitor<bool> {
-  @override
-  bool visitGenerateDartErrorsTask(GenerateDartErrorsTask task) => true;
-}
-
-class GenerateDartErrorsTaskTestTV_perform extends TestTaskVisitor<bool> {
-  LibraryElement libraryElement;
-  Source source;
-  GenerateDartErrorsTaskTestTV_perform(this.libraryElement, this.source);
-  @override
-  bool visitGenerateDartErrorsTask(GenerateDartErrorsTask task) {
-    CaughtException exception = task.exception;
-    if (exception != null) {
-      throw exception;
-    }
-    expect(task.libraryElement, same(libraryElement));
-    expect(task.source, same(source));
-    List<AnalysisError> errors = task.errors;
-    expect(errors, hasLength(1));
-    return true;
-  }
-}
-
-class GenerateDartErrorsTaskTestTV_perform_validateDirectives
-    extends TestTaskVisitor<bool> {
-  LibraryElement libraryElement;
-  Source source;
-  GenerateDartErrorsTaskTestTV_perform_validateDirectives(
-      this.libraryElement, this.source);
-  @override
-  bool visitGenerateDartErrorsTask(GenerateDartErrorsTask task) {
-    CaughtException exception = task.exception;
-    if (exception != null) {
-      throw exception;
-    }
-    expect(task.libraryElement, same(libraryElement));
-    expect(task.source, same(source));
-    List<AnalysisError> errors = task.errors;
-    expect(errors, hasLength(1));
-    expect(errors[0].errorCode, same(CompileTimeErrorCode.URI_DOES_NOT_EXIST));
-    return true;
-  }
-}
-
-@reflectiveTest
-class GenerateDartHintsTaskTest extends EngineTestCase {
-  void test_accept() {
-    GenerateDartHintsTask task = new GenerateDartHintsTask(null, null, null);
-    expect(task.accept(new GenerateDartHintsTaskTestTV_accept()), isTrue);
-  }
-
-  void test_getException() {
-    GenerateDartHintsTask task = new GenerateDartHintsTask(null, null, null);
-    expect(task.exception, isNull);
-  }
-
-  void test_getHintMap() {
-    GenerateDartHintsTask task = new GenerateDartHintsTask(null, null, null);
-    expect(task.hintMap, isNull);
-  }
-
-  void test_getLibraryElement() {
-    InternalAnalysisContext context = AnalysisContextFactory.contextWithCore();
-    LibraryElement element = ElementFactory.library(context, "lib");
-    GenerateDartHintsTask task =
-        new GenerateDartHintsTask(context, null, element);
-    expect(task.libraryElement, same(element));
-  }
-
-  void test_perform() {
-    InternalAnalysisContext context = AnalysisContextFactory.contextWithCore();
-    ChangeSet changeSet = new ChangeSet();
-    Source librarySource =
-        new FileBasedSource(FileUtilities2.createFile("/test.dart"));
-    changeSet.addedSource(librarySource);
-    Source unusedSource =
-        new FileBasedSource(FileUtilities2.createFile("/unused.dart"));
-    changeSet.addedSource(unusedSource);
-    Source partSource =
-        new FileBasedSource(FileUtilities2.createFile("/part.dart"));
-    changeSet.addedSource(partSource);
-    context.applyChanges(changeSet);
-    context.setContents(
-        librarySource,
-        r'''
-library lib;
-import 'unused.dart';
-part 'part.dart';''');
-    context.setContents(unusedSource, "library unused;");
-    context.setContents(partSource, "part of lib;");
-    List<TimestampedData<CompilationUnit>> units = new List<TimestampedData>(2);
-    units[0] = new TimestampedData<CompilationUnit>(
-        context.getModificationStamp(librarySource),
-        context.resolveCompilationUnit2(librarySource, librarySource));
-    units[1] = new TimestampedData<CompilationUnit>(
-        context.getModificationStamp(partSource),
-        context.resolveCompilationUnit2(partSource, librarySource));
-    GenerateDartHintsTask task = new GenerateDartHintsTask(
-        context, units, context.computeLibraryElement(librarySource));
-    task.perform(
-        new GenerateDartHintsTaskTestTV_perform(librarySource, partSource));
-  }
-}
-
-class GenerateDartHintsTaskTestTV_accept extends TestTaskVisitor<bool> {
-  @override
-  bool visitGenerateDartHintsTask(GenerateDartHintsTask task) => true;
-}
-
-class GenerateDartHintsTaskTestTV_perform extends TestTaskVisitor<bool> {
-  Source librarySource;
-  Source partSource;
-  GenerateDartHintsTaskTestTV_perform(this.librarySource, this.partSource);
-  @override
-  bool visitGenerateDartHintsTask(GenerateDartHintsTask task) {
-    CaughtException exception = task.exception;
-    if (exception != null) {
-      throw exception;
-    }
-    expect(task.libraryElement, isNotNull);
-    HashMap<Source, List<AnalysisError>> hintMap = task.hintMap;
-    expect(hintMap, hasLength(2));
-    expect(hintMap[librarySource], hasLength(1));
-    expect(hintMap[partSource], hasLength(0));
-    return true;
-  }
-}
-
-@reflectiveTest
-class GenerateDartLintsTaskTest extends EngineTestCase {
-  void test_accept() {
-    GenerateDartLintsTask task = new GenerateDartLintsTask(null, null, null);
-    expect(task.accept(new GenerateDartLintsTaskTestTV_accept()), isTrue);
-  }
-
-  void test_exception() {
-    GenerateDartLintsTask task = new GenerateDartLintsTask(null, null, null);
-    expect(task.exception, isNull);
-  }
-
-  void test_libraryElement() {
-    InternalAnalysisContext context = AnalysisContextFactory.contextWithCore();
-    LibraryElement element = ElementFactory.library(context, "lib");
-    GenerateDartLintsTask task =
-        new GenerateDartLintsTask(context, null, element);
-    expect(task.libraryElement, same(element));
-  }
-
-  void test_lintMap() {
-    GenerateDartLintsTask task = new GenerateDartLintsTask(null, null, null);
-    expect(task.lintMap, isNull);
-  }
-
-  void test_perform() {
-    InternalAnalysisContext context = AnalysisContextFactory.contextWithCore();
-    ChangeSet changeSet = new ChangeSet();
-    Source librarySource =
-        new FileBasedSource(FileUtilities2.createFile("/test.dart"));
-    changeSet.addedSource(librarySource);
-    context.applyChanges(changeSet);
-    context.setContents(
-        librarySource,
-        r'''
-library lib;
-''');
-    List<TimestampedData<CompilationUnit>> units = new List<TimestampedData>(1);
-    units[0] = new TimestampedData<CompilationUnit>(
-        context.getModificationStamp(librarySource),
-        context.resolveCompilationUnit2(librarySource, librarySource));
-    GenerateDartLintsTask task = new GenerateDartLintsTask(
-        context, units, context.computeLibraryElement(librarySource));
-    task.perform(new GenerateDartLintsTaskTestTV_perform(librarySource));
-  }
-}
-
-class GenerateDartLintsTaskTestTV_accept extends TestTaskVisitor<bool> {
-  @override
-  bool visitGenerateDartLintsTask(GenerateDartLintsTask task) => true;
-}
-
-class GenerateDartLintsTaskTestTV_perform extends TestTaskVisitor<bool> {
-  Source librarySource;
-  GenerateDartLintsTaskTestTV_perform(this.librarySource);
-  @override
-  bool visitGenerateDartLintsTask(GenerateDartLintsTask task) {
-    CaughtException exception = task.exception;
-    if (exception != null) {
-      throw exception;
-    }
-    expect(task.libraryElement, isNotNull);
-    return true;
-  }
-}
-
-@reflectiveTest
-class GetContentTaskTest extends EngineTestCase {
-  void test_accept() {
-    Source source = new TestSource('/test.dart', '');
-    GetContentTask task = new GetContentTask(null, source);
-    expect(task.accept(new GetContentTaskTestTV_accept()), isTrue);
-  }
-
-  void test_getException() {
-    Source source = new TestSource('/test.dart', '');
-    GetContentTask task = new GetContentTask(null, source);
-    expect(task.exception, isNull);
-  }
-
-  void test_getModificationTime() {
-    Source source = new TestSource('/test.dart', '');
-    GetContentTask task = new GetContentTask(null, source);
-    expect(task.modificationTime, -1);
-  }
-
-  void test_getSource() {
-    Source source = new TestSource('/test.dart', '');
-    GetContentTask task = new GetContentTask(null, source);
-    expect(task.source, same(source));
-  }
-
-  void test_perform_exception() {
-    TestSource source = new TestSource();
-    source.generateExceptionOnRead = true;
-    //    final InternalAnalysisContext context = new AnalysisContextImpl();
-    //    context.setSourceFactory(new SourceFactory(new FileUriResolver()));
-    GetContentTask task = new GetContentTask(null, source);
-    task.perform(new GetContentTaskTestTV_perform_exception());
-  }
-
-  void test_perform_valid() {
-    Source source = new TestSource('/test.dart', 'class A {}');
-    InternalAnalysisContext context = AnalysisContextFactory.contextWithCore();
-    GetContentTask task = new GetContentTask(context, source);
-    task.perform(new GetContentTaskTestTV_perform_valid(context, source));
-  }
-}
-
-class GetContentTaskTestTV_accept extends TestTaskVisitor<bool> {
-  @override
-  bool visitGetContentTask(GetContentTask task) => true;
-}
-
-class GetContentTaskTestTV_perform_exception extends TestTaskVisitor<bool> {
-  @override
-  bool visitGetContentTask(GetContentTask task) {
-    expect(task.exception, isNotNull);
-    return true;
-  }
-}
-
-class GetContentTaskTestTV_perform_valid extends TestTaskVisitor<bool> {
-  InternalAnalysisContext context;
-  Source source;
-  GetContentTaskTestTV_perform_valid(this.context, this.source);
-  @override
-  bool visitGetContentTask(GetContentTask task) {
-    CaughtException exception = task.exception;
-    if (exception != null) {
-      throw exception;
-    }
-    expect(task.modificationTime, context.getModificationStamp(source));
-    expect(task.source, same(source));
-    return true;
-  }
-}
-
-@reflectiveTest
-class HtmlEntryTest extends EngineTestCase {
-  void set state(DataDescriptor descriptor) {
-    HtmlEntry entry = new HtmlEntry();
-    expect(entry.getState(descriptor), isNot(same(CacheState.FLUSHED)));
-    entry.setState(descriptor, CacheState.FLUSHED);
-    expect(entry.getState(descriptor), same(CacheState.FLUSHED));
-  }
-
-  void test_creation() {
-    HtmlEntry entry = new HtmlEntry();
-    expect(entry, isNotNull);
-  }
-
-  void test_getAllErrors() {
-    Source source = new TestSource();
-    HtmlEntry entry = new HtmlEntry();
-    expect(entry.allErrors, hasLength(0));
-    entry.setValue(HtmlEntry.PARSE_ERRORS, <AnalysisError>[
-      new AnalysisError(source, 0, 0, ParserErrorCode.EXPECTED_TOKEN, [";"])
-    ]);
-    entry.setValue(HtmlEntry.RESOLUTION_ERRORS, <AnalysisError>[
-      new AnalysisError(source, 0, 0, HtmlWarningCode.INVALID_URI, ["-"])
-    ]);
-    entry.setValue(HtmlEntry.HINTS,
-        <AnalysisError>[new AnalysisError(source, 0, 0, HintCode.DEAD_CODE)]);
-    expect(entry.allErrors, hasLength(3));
-  }
-
-  void test_invalidateAllResolutionInformation() {
-    HtmlEntry entry = _entryWithValidState();
-    entry.invalidateAllResolutionInformation(false);
-    expect(entry.getState(HtmlEntry.ELEMENT), same(CacheState.INVALID));
-    expect(entry.getState(HtmlEntry.HINTS), same(CacheState.INVALID));
-    expect(entry.getState(SourceEntry.LINE_INFO), same(CacheState.VALID));
-    expect(entry.getState(HtmlEntry.PARSE_ERRORS), same(CacheState.VALID));
-    expect(entry.getState(HtmlEntry.PARSED_UNIT), same(CacheState.VALID));
-    expect(
-        entry.getState(HtmlEntry.REFERENCED_LIBRARIES), same(CacheState.VALID));
-    expect(
-        entry.getState(HtmlEntry.RESOLUTION_ERRORS), same(CacheState.INVALID));
-  }
-
-  void test_invalidateAllResolutionInformation_includingUris() {
-    HtmlEntry entry = _entryWithValidState();
-    entry.invalidateAllResolutionInformation(true);
-    expect(entry.getState(HtmlEntry.ELEMENT), same(CacheState.INVALID));
-    expect(entry.getState(HtmlEntry.HINTS), same(CacheState.INVALID));
-    expect(entry.getState(SourceEntry.LINE_INFO), same(CacheState.VALID));
-    expect(entry.getState(HtmlEntry.PARSE_ERRORS), same(CacheState.VALID));
-    expect(entry.getState(HtmlEntry.PARSED_UNIT), same(CacheState.VALID));
-    expect(entry.getState(HtmlEntry.REFERENCED_LIBRARIES),
-        same(CacheState.INVALID));
-    expect(
-        entry.getState(HtmlEntry.RESOLUTION_ERRORS), same(CacheState.INVALID));
-  }
-
-  void test_setState_element() {
-    state = HtmlEntry.ELEMENT;
-  }
-
-  void test_setState_hints() {
-    state = HtmlEntry.HINTS;
-  }
-
-  void test_setState_lineInfo() {
-    state = SourceEntry.LINE_INFO;
-  }
-
-  void test_setState_parsedUnit() {
-    state = HtmlEntry.PARSED_UNIT;
-  }
-
-  void test_setState_parseErrors() {
-    state = HtmlEntry.PARSE_ERRORS;
-  }
-
-  void test_setState_referencedLibraries() {
-    state = HtmlEntry.REFERENCED_LIBRARIES;
-  }
-
-  void test_setState_resolutionErrors() {
-    state = HtmlEntry.RESOLUTION_ERRORS;
-  }
-
-  void test_setValue_element() {
-    _setValue(HtmlEntry.ELEMENT, new HtmlElementImpl(null, "test.html"));
-  }
-
-  void test_setValue_hints() {
-    _setValue(HtmlEntry.HINTS,
-        <AnalysisError>[new AnalysisError(null, 0, 0, HintCode.DEAD_CODE)]);
-  }
-
-  void test_setValue_illegal() {
-    HtmlEntry entry = new HtmlEntry();
-    try {
-      entry.setValue(DartEntry.ELEMENT, null);
-      fail("Expected ArgumentError for DartEntry.ELEMENT");
-    } on ArgumentError {}
-  }
-
-  void test_setValue_lineInfo() {
-    _setValue(SourceEntry.LINE_INFO, new LineInfo(<int>[0]));
-  }
-
-  void test_setValue_parsedUnit() {
-    _setValue(HtmlEntry.PARSED_UNIT, new ht.HtmlUnit(null, null, null));
-  }
-
-  void test_setValue_parseErrors() {
-    _setValue(HtmlEntry.PARSE_ERRORS, <AnalysisError>[
-      new AnalysisError(null, 0, 0, HtmlWarningCode.INVALID_URI, ["-"])
-    ]);
-  }
-
-  void test_setValue_referencedLibraries() {
-    _setValue(HtmlEntry.REFERENCED_LIBRARIES, <Source>[new TestSource()]);
-  }
-
-  void test_setValue_resolutionErrors() {
-    _setValue(HtmlEntry.RESOLUTION_ERRORS, <AnalysisError>[
-      new AnalysisError(null, 0, 0, HtmlWarningCode.INVALID_URI, ["-"])
-    ]);
-  }
-
-  HtmlEntry _entryWithValidState() {
-    HtmlEntry entry = new HtmlEntry();
-    entry.setValue(HtmlEntry.ELEMENT, null);
-    entry.setValue(HtmlEntry.HINTS, null);
-    entry.setValue(SourceEntry.LINE_INFO, null);
-    entry.setValue(HtmlEntry.PARSE_ERRORS, null);
-    entry.setValue(HtmlEntry.PARSED_UNIT, null);
-    entry.setValue(HtmlEntry.REFERENCED_LIBRARIES, null);
-    entry.setValue(HtmlEntry.RESOLUTION_ERRORS, null);
-    expect(entry.getState(HtmlEntry.ELEMENT), same(CacheState.VALID));
-    expect(entry.getState(HtmlEntry.HINTS), same(CacheState.VALID));
-    expect(entry.getState(SourceEntry.LINE_INFO), same(CacheState.VALID));
-    expect(entry.getState(HtmlEntry.PARSE_ERRORS), same(CacheState.VALID));
-    expect(entry.getState(HtmlEntry.PARSED_UNIT), same(CacheState.VALID));
-    expect(
-        entry.getState(HtmlEntry.REFERENCED_LIBRARIES), same(CacheState.VALID));
-    expect(entry.getState(HtmlEntry.RESOLUTION_ERRORS), same(CacheState.VALID));
-    return entry;
-  }
-
-  void _setValue(DataDescriptor descriptor, Object newValue) {
-    HtmlEntry entry = new HtmlEntry();
-    Object value = entry.getValue(descriptor);
-    expect(newValue, isNot(same(value)));
-    entry.setValue(descriptor, newValue);
-    expect(entry.getState(descriptor), same(CacheState.VALID));
-    expect(entry.getValue(descriptor), same(newValue));
-  }
-}
-
-@reflectiveTest
-class IncrementalAnalysisCacheTest {
-  Source _source = new TestSource();
-  DartEntry _entry = new DartEntry();
-  CompilationUnit _unit = new CompilationUnitMock();
-  IncrementalAnalysisCache _result;
-  void setUp() {
-    _entry.setValueInLibrary(DartEntry.RESOLVED_UNIT, _source, _unit);
-  }
-
-  void test_cacheResult() {
-    IncrementalAnalysisCache cache = IncrementalAnalysisCache.update(
-        null, _source, "hello", "hbazlo", 1, 2, 3, _entry);
-    CompilationUnit newUnit = new CompilationUnitMock();
-    _result = IncrementalAnalysisCache.cacheResult(cache, newUnit);
-    expect(_result, isNotNull);
-    expect(_result.source, same(_source));
-    expect(_result.resolvedUnit, same(newUnit));
-    expect(_result.oldContents, "hbazlo");
-    expect(_result.newContents, "hbazlo");
-    expect(_result.offset, 0);
-    expect(_result.oldLength, 0);
-    expect(_result.newLength, 0);
-  }
-
-  void test_cacheResult_noCache() {
-    IncrementalAnalysisCache cache = null;
-    CompilationUnit newUnit = new CompilationUnitMock();
-    _result = IncrementalAnalysisCache.cacheResult(cache, newUnit);
-    expect(_result, isNull);
-  }
-
-  void test_cacheResult_noCacheNoResult() {
-    IncrementalAnalysisCache cache = null;
-    CompilationUnit newUnit = null;
-    _result = IncrementalAnalysisCache.cacheResult(cache, newUnit);
-    expect(_result, isNull);
-  }
-
-  void test_cacheResult_noResult() {
-    IncrementalAnalysisCache cache = IncrementalAnalysisCache.update(
-        null, _source, "hello", "hbazlo", 1, 2, 3, _entry);
-    CompilationUnit newUnit = null;
-    _result = IncrementalAnalysisCache.cacheResult(cache, newUnit);
-    expect(_result, isNull);
-  }
-
-  void test_clear_differentSource() {
-    IncrementalAnalysisCache cache = IncrementalAnalysisCache.update(
-        null, _source, "hello", "hbazlo", 1, 2, 3, _entry);
-    Source otherSource = new TestSource("blat.dart", "blat");
-    _result = IncrementalAnalysisCache.clear(cache, otherSource);
-    expect(_result, same(cache));
-  }
-
-  void test_clear_nullCache() {
-    IncrementalAnalysisCache cache = null;
-    _result = IncrementalAnalysisCache.clear(cache, _source);
-    expect(_result, isNull);
-  }
-
-  void test_clear_sameSource() {
-    IncrementalAnalysisCache cache = IncrementalAnalysisCache.update(
-        null, _source, "hello", "hbazlo", 1, 2, 3, _entry);
-    _result = IncrementalAnalysisCache.clear(cache, _source);
-    expect(_result, isNull);
-  }
-
-  void test_update_append() {
-    IncrementalAnalysisCache cache = IncrementalAnalysisCache.update(
-        null, _source, "hello", "hbazlo", 1, 2, 3, _entry);
-    DartEntry newEntry = new DartEntry();
-    _result = IncrementalAnalysisCache.update(
-        cache, _source, "hbazlo", "hbazxlo", 4, 0, 1, newEntry);
-    expect(_result, isNotNull);
-    expect(_result.source, same(_source));
-    expect(_result.resolvedUnit, same(_unit));
-    expect(_result.oldContents, "hello");
-    expect(_result.newContents, "hbazxlo");
-    expect(_result.offset, 1);
-    expect(_result.oldLength, 2);
-    expect(_result.newLength, 4);
-  }
-
-  void test_update_appendToCachedResult() {
-    IncrementalAnalysisCache cache = IncrementalAnalysisCache.update(
-        null, _source, "hello", "hbazlo", 1, 2, 3, _entry);
-    CompilationUnit newUnit = new CompilationUnitMock();
-    cache = IncrementalAnalysisCache.cacheResult(cache, newUnit);
-    expect(cache, isNotNull);
-    DartEntry newEntry = new DartEntry();
-    _result = IncrementalAnalysisCache.update(
-        cache, _source, "hbazlo", "hbazxlo", 4, 0, 1, newEntry);
-    expect(_result, isNotNull);
-    expect(_result.source, same(_source));
-    expect(_result.resolvedUnit, same(newUnit));
-    expect(_result.oldContents, "hbazlo");
-    expect(_result.newContents, "hbazxlo");
-    expect(_result.offset, 4);
-    expect(_result.oldLength, 0);
-    expect(_result.newLength, 1);
-  }
-
-  void test_update_appendWithNewResolvedUnit() {
-    IncrementalAnalysisCache cache = IncrementalAnalysisCache.update(
-        null, _source, "hello", "hbazlo", 1, 2, 3, _entry);
-    DartEntry newEntry = new DartEntry();
-    CompilationUnit newUnit = new CompilationUnitMock();
-    newEntry.setValueInLibrary(DartEntry.RESOLVED_UNIT, _source, newUnit);
-    _result = IncrementalAnalysisCache.update(
-        cache, _source, "hbazlo", "hbazxlo", 4, 0, 1, newEntry);
-    expect(_result, isNotNull);
-    expect(_result.source, same(_source));
-    expect(_result.resolvedUnit, same(newUnit));
-    expect(_result.oldContents, "hbazlo");
-    expect(_result.newContents, "hbazxlo");
-    expect(_result.offset, 4);
-    expect(_result.oldLength, 0);
-    expect(_result.newLength, 1);
-  }
-
-  void test_update_appendWithNoNewResolvedUnit() {
-    IncrementalAnalysisCache cache = IncrementalAnalysisCache.update(
-        null, _source, "hello", "hbazlo", 1, 2, 3, _entry);
-    DartEntry newEntry = new DartEntry();
-    _result = IncrementalAnalysisCache.update(
-        cache, _source, "hbazlo", "hbazxlo", 4, 0, 1, newEntry);
-    expect(_result, isNotNull);
-    expect(_result.source, same(_source));
-    expect(_result.resolvedUnit, same(_unit));
-    expect(_result.oldContents, "hello");
-    expect(_result.newContents, "hbazxlo");
-    expect(_result.offset, 1);
-    expect(_result.oldLength, 2);
-    expect(_result.newLength, 4);
-  }
-
-  void test_update_delete() {
-    IncrementalAnalysisCache cache = IncrementalAnalysisCache.update(
-        null, _source, "hello", "hbazlo", 1, 2, 3, _entry);
-    DartEntry newEntry = new DartEntry();
-    _result = IncrementalAnalysisCache.update(
-        cache, _source, "hbazlo", "hzlo", 1, 2, 0, newEntry);
-    expect(_result, isNotNull);
-    expect(_result.source, same(_source));
-    expect(_result.resolvedUnit, same(_unit));
-    expect(_result.oldContents, "hello");
-    expect(_result.newContents, "hzlo");
-    expect(_result.offset, 1);
-    expect(_result.oldLength, 2);
-    expect(_result.newLength, 1);
-  }
-
-  void test_update_insert_nonContiguous_after() {
-    IncrementalAnalysisCache cache = IncrementalAnalysisCache.update(
-        null, _source, "hello", "hbazlo", 1, 2, 3, _entry);
-    DartEntry newEntry = new DartEntry();
-    _result = IncrementalAnalysisCache.update(
-        cache, _source, "hbazlo", "hbazlox", 6, 0, 1, newEntry);
-    expect(_result, isNull);
-  }
-
-  void test_update_insert_nonContiguous_before() {
-    IncrementalAnalysisCache cache = IncrementalAnalysisCache.update(
-        null, _source, "hello", "hbazlo", 1, 2, 3, _entry);
-    DartEntry newEntry = new DartEntry();
-    _result = IncrementalAnalysisCache.update(
-        cache, _source, "hbazlo", "xhbazlo", 0, 0, 1, newEntry);
-    expect(_result, isNull);
-  }
-
-  void test_update_newSource_entry() {
-    Source oldSource = new TestSource("blat.dart", "blat");
-    DartEntry oldEntry = new DartEntry();
-    CompilationUnit oldUnit = new CompilationUnitMock();
-    oldEntry.setValueInLibrary(DartEntry.RESOLVED_UNIT, _source, oldUnit);
-    IncrementalAnalysisCache cache = IncrementalAnalysisCache.update(
-        null, oldSource, "hello", "hbazlo", 1, 2, 3, oldEntry);
-    expect(cache.source, same(oldSource));
-    expect(cache.resolvedUnit, same(oldUnit));
-    _result = IncrementalAnalysisCache.update(
-        cache, _source, "foo", "foobz", 3, 0, 2, _entry);
-    expect(_result, isNotNull);
-    expect(_result.source, same(_source));
-    expect(_result.resolvedUnit, same(_unit));
-    expect(_result.oldContents, "foo");
-    expect(_result.newContents, "foobz");
-    expect(_result.offset, 3);
-    expect(_result.oldLength, 0);
-    expect(_result.newLength, 2);
-  }
-
-  void test_update_newSource_noEntry() {
-    Source oldSource = new TestSource("blat.dart", "blat");
-    DartEntry oldEntry = new DartEntry();
-    CompilationUnit oldUnit = new CompilationUnitMock();
-    oldEntry.setValueInLibrary(DartEntry.RESOLVED_UNIT, _source, oldUnit);
-    IncrementalAnalysisCache cache = IncrementalAnalysisCache.update(
-        null, oldSource, "hello", "hbazlo", 1, 2, 3, oldEntry);
-    expect(cache.source, same(oldSource));
-    expect(cache.resolvedUnit, same(oldUnit));
-    _result = IncrementalAnalysisCache.update(
-        cache, _source, "foo", "foobar", 3, 0, 3, null);
-    expect(_result, isNull);
-  }
-
-  void test_update_noCache_entry() {
-    _result = IncrementalAnalysisCache.update(
-        null, _source, "hello", "hbazlo", 1, 2, 3, _entry);
-    expect(_result, isNotNull);
-    expect(_result.source, same(_source));
-    expect(_result.resolvedUnit, same(_unit));
-    expect(_result.oldContents, "hello");
-    expect(_result.newContents, "hbazlo");
-    expect(_result.offset, 1);
-    expect(_result.oldLength, 2);
-    expect(_result.newLength, 3);
-    expect(_result.hasWork, isTrue);
-  }
-
-  void test_update_noCache_entry_noOldSource_append() {
-    _result = IncrementalAnalysisCache.update(
-        null, _source, null, "hellxo", 4, 0, 1, _entry);
-    expect(_result, isNotNull);
-    expect(_result.source, same(_source));
-    expect(_result.resolvedUnit, same(_unit));
-    expect(_result.oldContents, "hello");
-    expect(_result.newContents, "hellxo");
-    expect(_result.offset, 4);
-    expect(_result.oldLength, 0);
-    expect(_result.newLength, 1);
-    expect(_result.hasWork, isTrue);
-  }
-
-  void test_update_noCache_entry_noOldSource_delete() {
-    _result = IncrementalAnalysisCache.update(
-        null, _source, null, "helo", 4, 1, 0, _entry);
-    expect(_result, isNull);
-  }
-
-  void test_update_noCache_entry_noOldSource_replace() {
-    _result = IncrementalAnalysisCache.update(
-        null, _source, null, "helxo", 4, 1, 1, _entry);
-    expect(_result, isNull);
-  }
-
-  void test_update_noCache_noEntry() {
-    _result = IncrementalAnalysisCache.update(
-        null, _source, "hello", "hbazlo", 1, 2, 3, null);
-    expect(_result, isNull);
-  }
-
-  void test_update_replace() {
-    IncrementalAnalysisCache cache = IncrementalAnalysisCache.update(
-        null, _source, "hello", "hbazlo", 1, 2, 3, _entry);
-    _result = IncrementalAnalysisCache.update(
-        cache, _source, "hbazlo", "hbarrlo", 3, 1, 2, null);
-    expect(_result, isNotNull);
-    expect(_result.source, same(_source));
-    expect(_result.resolvedUnit, same(_unit));
-    expect(_result.oldContents, "hello");
-    expect(_result.newContents, "hbarrlo");
-    expect(_result.offset, 1);
-    expect(_result.oldLength, 2);
-    expect(_result.newLength, 4);
-  }
-
-  void test_verifyStructure_invalidUnit() {
-    String oldCode = "main() {foo;}";
-    String newCode = "main() {boo;}";
-    CompilationUnit badUnit = _parse("main() {bad;}");
-    _entry.setValueInLibrary(DartEntry.RESOLVED_UNIT, _source, badUnit);
-    IncrementalAnalysisCache cache = IncrementalAnalysisCache.update(
-        null, _source, oldCode, newCode, 8, 1, 1, _entry);
-    CompilationUnit newUnit = _parse(newCode);
-    _result = IncrementalAnalysisCache.verifyStructure(cache, _source, newUnit);
-    expect(_result, isNull);
-  }
-
-  void test_verifyStructure_noCache() {
-    IncrementalAnalysisCache cache = null;
-    CompilationUnit newUnit = new CompilationUnitMock();
-    _result = IncrementalAnalysisCache.verifyStructure(cache, _source, newUnit);
-    expect(_result, isNull);
-  }
-
-  void test_verifyStructure_noCacheNoUnit() {
-    IncrementalAnalysisCache cache = null;
-    CompilationUnit newUnit = null;
-    _result = IncrementalAnalysisCache.verifyStructure(cache, _source, newUnit);
-    expect(_result, isNull);
-  }
-
-  void test_verifyStructure_noUnit() {
-    IncrementalAnalysisCache cache = IncrementalAnalysisCache.update(
-        null, _source, "hello", "hbazlo", 1, 2, 3, _entry);
-    CompilationUnit newUnit = null;
-    _result = IncrementalAnalysisCache.verifyStructure(cache, _source, newUnit);
-    expect(_result, same(cache));
-    expect(_result.resolvedUnit, same(_unit));
-  }
-
-  void test_verifyStructure_otherSource() {
-    IncrementalAnalysisCache cache = IncrementalAnalysisCache.update(
-        null, _source, "hello", "hbazlo", 1, 2, 3, _entry);
-    CompilationUnit newUnit = new CompilationUnitMock();
-    Source otherSource = new TestSource("blat.dart", "blat");
-    _result =
-        IncrementalAnalysisCache.verifyStructure(cache, otherSource, newUnit);
-    expect(_result, same(cache));
-    expect(_result.resolvedUnit, same(_unit));
-  }
-
-  void test_verifyStructure_validUnit() {
-    String oldCode = "main() {foo;}";
-    String newCode = "main() {boo;}";
-    CompilationUnit goodUnit = _parse(newCode);
-    _entry.setValueInLibrary(DartEntry.RESOLVED_UNIT, _source, goodUnit);
-    IncrementalAnalysisCache cache = IncrementalAnalysisCache.update(
-        null, _source, oldCode, newCode, 1, 2, 3, _entry);
-    CompilationUnit newUnit = _parse(newCode);
-    _result = IncrementalAnalysisCache.verifyStructure(cache, _source, newUnit);
-    expect(_result, same(cache));
-    expect(_result.resolvedUnit, same(goodUnit));
-  }
-
-  CompilationUnit _parse(String code) {
-    Scanner scanner = new Scanner(_source, new CharSequenceReader(code),
-        AnalysisErrorListener.NULL_LISTENER);
-    Parser parser = new Parser(_source, AnalysisErrorListener.NULL_LISTENER);
-    return parser.parseCompilationUnit(scanner.tokenize());
-  }
-}
-
-@reflectiveTest
-class IncrementalAnalysisTaskTest extends EngineTestCase {
-  void test_accept() {
-    IncrementalAnalysisTask task = new IncrementalAnalysisTask(null, null);
-    expect(task.accept(new IncrementalAnalysisTaskTestTV_accept()), isTrue);
-  }
-
-  void test_perform() {
-    // main() {} String foo;
-    // main() {String} String foo;
-    CompilationUnit newUnit =
-        _assertTask("main() {", "", "String", "} String foo;");
-    NodeList<CompilationUnitMember> declarations = newUnit.declarations;
-    FunctionDeclaration main = declarations[0] as FunctionDeclaration;
-    expect(main.name.name, "main");
-    BlockFunctionBody body = main.functionExpression.body as BlockFunctionBody;
-    ExpressionStatement statement =
-        body.block.statements[0] as ExpressionStatement;
-    expect(statement.toSource(), "String;");
-    SimpleIdentifier identifier = statement.expression as SimpleIdentifier;
-    expect(identifier.name, "String");
-    expect(identifier.staticElement, isNotNull);
-    TopLevelVariableDeclaration fooDecl =
-        declarations[1] as TopLevelVariableDeclaration;
-    SimpleIdentifier fooName = fooDecl.variables.variables[0].name;
-    expect(fooName.name, "foo");
-    expect(fooName.staticElement, isNotNull);
-    // assert element reference is preserved
-  }
-
-  CompilationUnit _assertTask(
-      String prefix, String removed, String added, String suffix) {
-    String oldCode = "$prefix$removed$suffix";
-    String newCode = "$prefix$added$suffix";
-    InternalAnalysisContext context = AnalysisContextFactory.contextWithCore();
-    Source source = new TestSource("/test.dart", oldCode);
-    DartEntry entry = new DartEntry();
-    CompilationUnit oldUnit = context.resolveCompilationUnit2(source, source);
-    expect(oldUnit, isNotNull);
-    entry.setValueInLibrary(DartEntry.RESOLVED_UNIT, source, oldUnit);
-    IncrementalAnalysisCache cache = IncrementalAnalysisCache.update(
-        null,
-        source,
-        oldCode,
-        newCode,
-        prefix.length,
-        removed.length,
-        added.length,
-        entry);
-    expect(cache, isNotNull);
-    IncrementalAnalysisTask task = new IncrementalAnalysisTask(context, cache);
-    CompilationUnit newUnit =
-        task.perform(new IncrementalAnalysisTaskTestTV_assertTask(task));
-    expect(newUnit, isNotNull);
-    return newUnit;
-  }
-}
-
-class IncrementalAnalysisTaskTestTV_accept extends TestTaskVisitor<bool> {
-  @override
-  bool visitIncrementalAnalysisTask(IncrementalAnalysisTask task) => true;
-}
-
-class IncrementalAnalysisTaskTestTV_assertTask
-    extends TestTaskVisitor<CompilationUnit> {
-  IncrementalAnalysisTask task;
-  IncrementalAnalysisTaskTestTV_assertTask(this.task);
-  @override
-  CompilationUnit visitIncrementalAnalysisTask(
-          IncrementalAnalysisTask incrementalAnalysisTask) =>
-      task.compilationUnit;
-}
-
-@reflectiveTest
-class LintGeneratorTest extends EngineTestCase {
-  void test_generate() {
-    InternalAnalysisContext context = AnalysisContextFactory.contextWithCore();
-    ChangeSet changeSet = new ChangeSet();
-    Source librarySource =
-        new FileBasedSource(FileUtilities2.createFile("/test.dart"));
-    changeSet.addedSource(librarySource);
-    context.applyChanges(changeSet);
-    context.setContents(
-        librarySource,
-        r'''
-library lib;
-''');
-
-    CompilationUnit unit =
-        context.resolveCompilationUnit2(librarySource, librarySource);
-    List<CompilationUnit> units = <CompilationUnit>[];
-    units.add(unit);
-
-    RecordingErrorListener errorListener = new RecordingErrorListener();
-
-    LintGeneratorTest_Linter linter = new LintGeneratorTest_Linter();
-
-    LintGenerator lintGenerator =
-        new LintGenerator(units, errorListener, [linter]);
-    lintGenerator.generate();
-
-    linter.testExpectations();
-  }
-
-  void test_generate_null_visitor() {
-    InternalAnalysisContext context = AnalysisContextFactory.contextWithCore();
-    ChangeSet changeSet = new ChangeSet();
-    Source librarySource =
-        new FileBasedSource(FileUtilities2.createFile("/test.dart"));
-    changeSet.addedSource(librarySource);
-    context.applyChanges(changeSet);
-    context.setContents(
-        librarySource,
-        r'''
-library lib;
-''');
-
-    CompilationUnit unit =
-        context.resolveCompilationUnit2(librarySource, librarySource);
-    List<CompilationUnit> units = <CompilationUnit>[];
-    units.add(unit);
-
-    RecordingErrorListener errorListener = new RecordingErrorListener();
-
-    Linter badLinter = new LintGeneratorTest_Linter_Null_Visitor();
-    LintGeneratorTest_Linter goodLinter = new LintGeneratorTest_Linter();
-
-    LintGenerator lintGenerator =
-        new LintGenerator(units, errorListener, [badLinter, goodLinter]);
-    // Test that generate does not fall down with a null visitor
-    lintGenerator.generate();
-    // Well-formed linter should still get called
-    goodLinter.testExpectations();
-  }
-}
-
-class LintGeneratorTest_Linter extends Linter with SimpleAstVisitor<Object> {
-  bool visited;
-
-  @override
-  AstVisitor getVisitor() => this;
-
-  testExpectations() {
-    expect(reporter, isNotNull);
-    expect(visited, isTrue);
-  }
-
-  @override
-  Object visitCompilationUnit(CompilationUnit node) {
-    visited = true;
-    return null;
-  }
-}
-
-class LintGeneratorTest_Linter_Null_Visitor extends Linter {
-  @override
-  AstVisitor getVisitor() => null;
-}
-
 class MockSourceFactory extends SourceFactory {
   MockSourceFactory() : super([]);
   Source resolveUri(Source containingSource, String containedUri) {
     throw new JavaIOException();
   }
 }
 
 @reflectiveTest
-class ParseDartTaskTest extends EngineTestCase {
-  void test_accept() {
-    ParseDartTask task = new ParseDartTask(null, null, null, null);
-    expect(task.accept(new ParseDartTaskTestTV_accept()), isTrue);
-  }
-
-  void test_getCompilationUnit() {
-    ParseDartTask task = new ParseDartTask(null, null, null, null);
-    expect(task.compilationUnit, isNull);
-  }
-
-  void test_getErrors() {
-    ParseDartTask task = new ParseDartTask(null, null, null, null);
-    expect(task.errors, hasLength(0));
-  }
-
-  void test_getException() {
-    ParseDartTask task = new ParseDartTask(null, null, null, null);
-    expect(task.exception, isNull);
-  }
-
-  void test_getSource() {
-    Source source = new TestSource('/test.dart');
-    ParseDartTask task = new ParseDartTask(null, source, null, null);
-    expect(task.source, same(source));
-  }
-
-  void test_hasNonPartOfDirective() {
-    ParseDartTask task = new ParseDartTask(null, null, null, null);
-    expect(task.hasNonPartOfDirective, isFalse);
-  }
-
-  void test_hasPartOfDirective() {
-    ParseDartTask task = new ParseDartTask(null, null, null, null);
-    expect(task.hasPartOfDirective, isFalse);
-  }
-
-  void test_perform_exception() {
-    TestSource source = new TestSource();
-    source.generateExceptionOnRead = true;
-    InternalAnalysisContext context = AnalysisContextFactory.contextWithCore();
-    ParseDartTask task = new ParseDartTask(context, source, null, null);
-    task.perform(new ParseDartTaskTestTV_perform_exception());
-  }
-
-  void test_perform_library() {
-    String content = r'''
-library lib;
-import 'lib2.dart';
-export 'lib3.dart';
-part 'part.dart';
-class A {''';
-    Source source = new TestSource('/test.dart', content);
-    InternalAnalysisContext context = AnalysisContextFactory.contextWithCore();
-    ParseDartTask task = _createParseTask(context, source, content);
-    task.perform(new ParseDartTaskTestTV_perform_library(context, source));
-  }
-
-  void test_perform_part() {
-    String content = r'''
-part of lib;
-class B {}''';
-    Source source = new TestSource('/test.dart', content);
-    InternalAnalysisContext context = AnalysisContextFactory.contextWithCore();
-    ParseDartTask task = _createParseTask(context, source, content);
-    task.perform(new ParseDartTaskTestTV_perform_part(context, source));
-  }
-
-  void test_perform_validateDirectives() {
-    String content = r'''
-library lib;
-import '/does/not/exist.dart';
-import '://invaliduri.dart';
-export '${a}lib3.dart';
-part 'part.dart';
-class A {}''';
-    Source source = new TestSource('/test.dart', content);
-    InternalAnalysisContext context = AnalysisContextFactory.contextWithCore();
-    ParseDartTask task = _createParseTask(context, source, content);
-    task.perform(
-        new ParseDartTaskTestTV_perform_validateDirectives(context, source));
-  }
-
-  void test_resolveDirective_dartUri() {
-    GatheringErrorListener listener = new GatheringErrorListener();
-    ImportDirective directive = AstFactory.importDirective3('dart:core', null);
-    AnalysisContext context = AnalysisContextFactory.contextWithCore();
-    Source source =
-        ParseDartTask.resolveDirective(context, null, directive, listener);
-    expect(source, isNotNull);
-  }
-
-  void test_resolveDirective_exception() {
-    GatheringErrorListener listener = new GatheringErrorListener();
-    ImportDirective directive = AstFactory.importDirective3('dart:core', null);
-    AnalysisContext context = AnalysisContextFactory.contextWithCore();
-    context.sourceFactory = new MockSourceFactory();
-    Source source =
-        ParseDartTask.resolveDirective(context, null, directive, listener);
-    expect(source, isNull);
-    expect(listener.errors, hasLength(1));
-  }
-
-  /**
-   * Create and return a task that will parse the given content from the given source in the given
-   * context.
-   *
-   * @param context the context to be passed to the task
-   * @param source the source to be parsed
-   * @param content the content of the source to be parsed
-   * @return the task that was created
-   * @throws AnalysisException if the task could not be created
-   */
-  ParseDartTask _createParseTask(
-      InternalAnalysisContext context, Source source, String content) {
-    ScanDartTask scanTask = new ScanDartTask(context, source, content);
-    scanTask.perform(new ParseDartTaskTestTV_createParseTask());
-    return new ParseDartTask(
-        context, source, scanTask.tokenStream, scanTask.lineInfo);
-  }
-}
-
-class ParseDartTaskTestTV_accept extends TestTaskVisitor<bool> {
-  @override
-  bool visitParseDartTask(ParseDartTask task) => true;
-}
-
-class ParseDartTaskTestTV_createParseTask extends TestTaskVisitor<Object> {
-  @override
-  Object visitScanDartTask(ScanDartTask task) => null;
-}
-
-class ParseDartTaskTestTV_perform_exception extends TestTaskVisitor<bool> {
-  @override
-  bool visitParseDartTask(ParseDartTask task) {
-    expect(task.exception, isNotNull);
-    return true;
-  }
-}
-
-class ParseDartTaskTestTV_perform_library extends TestTaskVisitor<Object> {
-  InternalAnalysisContext context;
-  Source source;
-  ParseDartTaskTestTV_perform_library(this.context, this.source);
-  @override
-  Object visitParseDartTask(ParseDartTask task) {
-    CaughtException exception = task.exception;
-    if (exception != null) {
-      throw exception;
-    }
-    expect(task.compilationUnit, isNotNull);
-    expect(task.errors, hasLength(1));
-    expect(task.source, same(source));
-    expect(task.hasNonPartOfDirective, isTrue);
-    expect(task.hasPartOfDirective, isFalse);
-    return null;
-  }
-}
-
-class ParseDartTaskTestTV_perform_part extends TestTaskVisitor<Object> {
-  InternalAnalysisContext context;
-  Source source;
-  ParseDartTaskTestTV_perform_part(this.context, this.source);
-  @override
-  Object visitParseDartTask(ParseDartTask task) {
-    CaughtException exception = task.exception;
-    if (exception != null) {
-      throw exception;
-    }
-    expect(task.compilationUnit, isNotNull);
-    expect(task.errors, hasLength(0));
-    expect(task.source, same(source));
-    expect(task.hasNonPartOfDirective, isFalse);
-    expect(task.hasPartOfDirective, isTrue);
-    return null;
-  }
-}
-
-class ParseDartTaskTestTV_perform_validateDirectives
-    extends TestTaskVisitor<Object> {
-  InternalAnalysisContext context;
-  Source source;
-  ParseDartTaskTestTV_perform_validateDirectives(this.context, this.source);
-  @override
-  Object visitParseDartTask(ParseDartTask task) {
-    CaughtException exception = task.exception;
-    if (exception != null) {
-      throw exception;
-    }
-    expect(task.compilationUnit, isNotNull);
-    GatheringErrorListener errorListener = new GatheringErrorListener();
-    errorListener.addAll(task.errors);
-    errorListener.assertErrorsWithCodes([
-      CompileTimeErrorCode.URI_WITH_INTERPOLATION,
-      CompileTimeErrorCode.INVALID_URI
-    ]);
-    expect(task.source, same(source));
-    expect(task.hasNonPartOfDirective, isTrue);
-    expect(task.hasPartOfDirective, isFalse);
-    return null;
-  }
-}
-
-@reflectiveTest
-class ParseHtmlTaskTest extends EngineTestCase {
-  ParseHtmlTask parseContents(String contents, TestLogger testLogger) {
-    return parseSource(
-        new TestSource('/test.dart', contents), contents, testLogger);
-  }
-
-  ParseHtmlTask parseSource(
-      Source source, String contents, TestLogger testLogger) {
-    InternalAnalysisContext context = AnalysisContextFactory.contextWithCore();
-    context.setContents(source, contents);
-    ParseHtmlTask task = new ParseHtmlTask(context, source, contents);
-    Logger oldLogger = AnalysisEngine.instance.logger;
-    try {
-      AnalysisEngine.instance.logger = testLogger;
-      task.perform(new ParseHtmlTaskTestTV_parseSource(context, source));
-    } finally {
-      AnalysisEngine.instance.logger = oldLogger;
-    }
-    return task;
-  }
-
-  void test_accept() {
-    ParseHtmlTask task = new ParseHtmlTask(null, null, "");
-    expect(task.accept(new ParseHtmlTaskTestTV_accept()), isTrue);
-  }
-
-  void test_getException() {
-    ParseHtmlTask task = new ParseHtmlTask(null, null, "");
-    expect(task.exception, isNull);
-  }
-
-  void test_getHtmlUnit() {
-    ParseHtmlTask task = new ParseHtmlTask(null, null, "");
-    expect(task.htmlUnit, isNull);
-  }
-
-  void test_getLineInfo() {
-    ParseHtmlTask task = new ParseHtmlTask(null, null, "");
-    expect(task.lineInfo, isNull);
-  }
-
-  void test_getReferencedLibraries() {
-    ParseHtmlTask task = new ParseHtmlTask(null, null, "");
-    expect(task.referencedLibraries, hasLength(0));
-  }
-
-  void test_getSource() {
-    Source source = new TestSource('/test.dart');
-    ParseHtmlTask task = new ParseHtmlTask(null, source, "");
-    expect(task.source, same(source));
-  }
-
-  void test_perform_embedded_source() {
-    String contents = r'''
-<html>
-<head>
-  <script type='application/dart'>
-    void buttonPressed() {}
-  </script>
-</head>
-<body>
-</body>
-</html>''';
-    TestLogger testLogger = new TestLogger();
-    ParseHtmlTask task = parseContents(contents, testLogger);
-    expect(task.referencedLibraries, hasLength(0));
-    expect(testLogger.errorCount, 0);
-    expect(testLogger.infoCount, 0);
-  }
-
-  void test_perform_empty_source_reference() {
-    String contents = r'''
-<html>
-<head>
-  <script type='application/dart' src=''/>
-</head>
-<body>
-</body>
-</html>''';
-    TestLogger testLogger = new TestLogger();
-    ParseHtmlTask task = parseContents(contents, testLogger);
-    expect(task.referencedLibraries, hasLength(0));
-    expect(testLogger.errorCount, 0);
-    expect(testLogger.infoCount, 0);
-  }
-
-  void test_perform_invalid_source_reference() {
-    String contents = r'''
-<html>
-<head>
-  <script type='application/dart' src='an;invalid:[]uri'/>
-</head>
-<body>
-</body>
-</html>''';
-    TestLogger testLogger = new TestLogger();
-    ParseHtmlTask task = parseContents(contents, testLogger);
-    expect(task.referencedLibraries, hasLength(0));
-    expect(testLogger.errorCount, 0);
-    expect(testLogger.infoCount, 0);
-  }
-
-  void test_perform_non_existing_source_reference() {
-    String contents = r'''
-<html>
-<head>
-  <script type='application/dart' src='does/not/exist.dart'/>
-</head>
-<body>
-</body>
-</html>''';
-    TestLogger testLogger = new TestLogger();
-    ParseHtmlTask task = parseSource(
-        new ParseHtmlTaskTest_non_existing_source(contents),
-        contents,
-        testLogger);
-    expect(task.referencedLibraries, hasLength(0));
-    expect(testLogger.errorCount, 0);
-    expect(testLogger.infoCount, 0);
-  }
-
-  void test_perform_referenced_source() {
-    // TODO(scheglov) this test fails because we put into cache TestSource
-    // test.dart (and actually should test.html), but resolve
-    // src='test.dart' as a FileBasedSource
-    // We need to switch to a virtual file system and use it everywhere.
-//    String contents = EngineTestCase.createSource([
-//        "<html>",
-//        "<head>",
-//        "  <script type='application/dart' src='test.dart'/>",
-//        "</head>",
-//        "<body>",
-//        "</body>",
-//        "</html>"]);
-//    TestLogger testLogger = new TestLogger();
-//    ParseHtmlTask task = parseContents(contents, testLogger);
-//    EngineTestCase.assertLength(1, task.referencedLibraries);
-//    JUnitTestCase.assertEquals(0, testLogger.errorCount);
-//    JUnitTestCase.assertEquals(0, testLogger.errorCount);
-  }
-}
-
-class ParseHtmlTaskTest_non_existing_source extends TestSource {
-  ParseHtmlTaskTest_non_existing_source(String arg0) : super(arg0);
-  @override
-  Uri resolveRelativeUri(Uri containedUri) {
-    try {
-      return parseUriWithException("file:/does/not/exist.dart");
-    } on URISyntaxException {
-      return null;
-    }
-  }
-}
-
-class ParseHtmlTaskTestTV_accept extends TestTaskVisitor<bool> {
-  @override
-  bool visitParseHtmlTask(ParseHtmlTask task) => true;
-}
-
-class ParseHtmlTaskTestTV_parseSource extends TestTaskVisitor<bool> {
-  InternalAnalysisContext context;
-  Source source;
-  ParseHtmlTaskTestTV_parseSource(this.context, this.source);
-  @override
-  bool visitParseHtmlTask(ParseHtmlTask task) {
-    CaughtException exception = task.exception;
-    if (exception != null) {
-      throw exception;
-    }
-    expect(task.htmlUnit, isNotNull);
-    expect(task.lineInfo, isNotNull);
-    expect(task.source, same(source));
-    return true;
-  }
-}
-
-@reflectiveTest
-class PartitionManagerTest extends EngineTestCase {
-  void test_clearCache() {
-    PartitionManager manager = new PartitionManager();
-    DartSdk sdk = new MockDartSdk();
-    SdkCachePartition oldPartition = manager.forSdk(sdk);
-    manager.clearCache();
-    SdkCachePartition newPartition = manager.forSdk(sdk);
-    expect(newPartition, isNot(same(oldPartition)));
-  }
-
-  void test_creation() {
-    expect(new PartitionManager(), isNotNull);
-  }
-
-  void test_forSdk() {
-    PartitionManager manager = new PartitionManager();
-    DartSdk sdk1 = new MockDartSdk();
-    SdkCachePartition partition1 = manager.forSdk(sdk1);
-    expect(partition1, isNotNull);
-    expect(manager.forSdk(sdk1), same(partition1));
-    DartSdk sdk2 = new MockDartSdk();
-    SdkCachePartition partition2 = manager.forSdk(sdk2);
-    expect(partition2, isNotNull);
-    expect(manager.forSdk(sdk2), same(partition2));
-    expect(partition2, isNot(same(partition1)));
-  }
-}
-
-@reflectiveTest
-class ResolveDartLibraryTaskTest extends EngineTestCase {
-  void test_accept() {
-    ResolveDartLibraryTask task = new ResolveDartLibraryTask(null, null, null);
-    expect(task.accept(new ResolveDartLibraryTaskTestTV_accept()), isTrue);
-  }
-
-  void test_getException() {
-    ResolveDartLibraryTask task = new ResolveDartLibraryTask(null, null, null);
-    expect(task.exception, isNull);
-  }
-
-  void test_getLibraryResolver() {
-    ResolveDartLibraryTask task = new ResolveDartLibraryTask(null, null, null);
-    expect(task.libraryResolver, isNull);
-  }
-
-  void test_getLibrarySource() {
-    Source source = new TestSource('/test.dart');
-    ResolveDartLibraryTask task =
-        new ResolveDartLibraryTask(null, null, source);
-    expect(task.librarySource, same(source));
-  }
-
-  void test_getUnitSource() {
-    Source source = new TestSource('/test.dart');
-    ResolveDartLibraryTask task =
-        new ResolveDartLibraryTask(null, source, null);
-    expect(task.unitSource, same(source));
-  }
-
-  void test_perform_exception() {
-    TestSource source = new TestSource();
-    source.generateExceptionOnRead = true;
-    InternalAnalysisContext context = AnalysisContextFactory.contextWithCore();
-    ResolveDartLibraryTask task =
-        new ResolveDartLibraryTask(context, source, source);
-    task.perform(new ResolveDartLibraryTaskTestTV_perform_exception());
-  }
-
-  void test_perform_library() {
-    Source source = new TestSource(
-        '/test.dart',
-        r'''
-library lib;
-class A {}''');
-    InternalAnalysisContext context = AnalysisContextFactory.contextWithCore();
-    ResolveDartLibraryTask task =
-        new ResolveDartLibraryTask(context, source, source);
-    task.perform(new ResolveDartLibraryTaskTestTV_perform_library(source));
-  }
-}
-
-class ResolveDartLibraryTaskTestTV_accept extends TestTaskVisitor<bool> {
-  @override
-  bool visitResolveDartLibraryTask(ResolveDartLibraryTask task) => true;
-}
-
-class ResolveDartLibraryTaskTestTV_perform_exception
-    extends TestTaskVisitor<bool> {
-  @override
-  bool visitResolveDartLibraryTask(ResolveDartLibraryTask task) {
-    expect(task.exception, isNotNull);
-    return true;
-  }
-}
-
-class ResolveDartLibraryTaskTestTV_perform_library
-    extends TestTaskVisitor<bool> {
-  Source source;
-  ResolveDartLibraryTaskTestTV_perform_library(this.source);
-  @override
-  bool visitResolveDartLibraryTask(ResolveDartLibraryTask task) {
-    CaughtException exception = task.exception;
-    if (exception != null) {
-      throw exception;
-    }
-    expect(task.libraryResolver, isNotNull);
-    expect(task.librarySource, same(source));
-    expect(task.unitSource, same(source));
-    return true;
-  }
-}
-
-@reflectiveTest
-class ResolveDartUnitTaskTest extends EngineTestCase {
-  void test_accept() {
-    ResolveDartUnitTask task = new ResolveDartUnitTask(null, null, null);
-    expect(task.accept(new ResolveDartUnitTaskTestTV_accept()), isTrue);
-  }
-
-  void test_getException() {
-    ResolveDartUnitTask task = new ResolveDartUnitTask(null, null, null);
-    expect(task.exception, isNull);
-  }
-
-  void test_getLibrarySource() {
-    InternalAnalysisContext context = AnalysisContextFactory.contextWithCore();
-    LibraryElementImpl element = ElementFactory.library(context, "lib");
-    Source source = element.source;
-    ResolveDartUnitTask task = new ResolveDartUnitTask(null, null, element);
-    expect(task.librarySource, same(source));
-  }
-
-  void test_getResolvedUnit() {
-    ResolveDartUnitTask task = new ResolveDartUnitTask(null, null, null);
-    expect(task.resolvedUnit, isNull);
-  }
-
-  void test_getSource() {
-    Source source = new TestSource('/test.dart');
-    ResolveDartUnitTask task = new ResolveDartUnitTask(null, source, null);
-    expect(task.source, same(source));
-  }
-
-  void test_perform_exception() {
-    InternalAnalysisContext context = AnalysisContextFactory.contextWithCore();
-    LibraryElementImpl element = ElementFactory.library(context, "lib");
-    TestSource source = new TestSource();
-    source.generateExceptionOnRead = true;
-    (element.definingCompilationUnit as CompilationUnitElementImpl).source =
-        source;
-    ResolveDartUnitTask task =
-        new ResolveDartUnitTask(context, source, element);
-    task.perform(new ResolveDartUnitTaskTestTV_perform_exception());
-  }
-
-  void test_perform_library() {
-    InternalAnalysisContext context = AnalysisContextFactory.contextWithCore();
-    LibraryElementImpl libraryElement = ElementFactory.library(context, "lib");
-    CompilationUnitElementImpl unitElement =
-        libraryElement.definingCompilationUnit as CompilationUnitElementImpl;
-    ClassElementImpl classElement = ElementFactory.classElement2("A");
-    classElement.nameOffset = 19;
-    ConstructorElementImpl constructorElement =
-        ElementFactory.constructorElement2(classElement, null);
-    constructorElement.synthetic = true;
-    classElement.constructors = <ConstructorElement>[constructorElement];
-    unitElement.types = <ClassElement>[classElement];
-    Source source = unitElement.source;
-    context.setContents(
-        source,
-        r'''
-library lib;
-class A {}''');
-    ResolveDartUnitTask task =
-        new ResolveDartUnitTask(context, source, libraryElement);
-    task.perform(
-        new ResolveDartUnitTaskTestTV_perform_library(source, context));
-  }
-}
-
-class ResolveDartUnitTaskTestTV_accept extends TestTaskVisitor<bool> {
-  @override
-  bool visitResolveDartUnitTask(ResolveDartUnitTask task) => true;
-}
-
-class ResolveDartUnitTaskTestTV_perform_exception
-    extends TestTaskVisitor<bool> {
-  @override
-  bool visitResolveDartUnitTask(ResolveDartUnitTask task) {
-    expect(task.exception, isNotNull);
-    return true;
-  }
-}
-
-class ResolveDartUnitTaskTestTV_perform_library extends TestTaskVisitor<bool> {
-  Source source;
-  InternalAnalysisContext context;
-  ResolveDartUnitTaskTestTV_perform_library(this.source, this.context);
-  @override
-  bool visitResolveDartUnitTask(ResolveDartUnitTask task) {
-    CaughtException exception = task.exception;
-    if (exception != null) {
-      throw exception;
-    }
-    expect(task.librarySource, same(source));
-    expect(task.resolvedUnit, isNotNull);
-    expect(task.source, same(source));
-    return true;
-  }
-}
-
-@reflectiveTest
-class ResolveHtmlTaskTest extends EngineTestCase {
-  void test_accept() {
-    ResolveHtmlTask task = new ResolveHtmlTask(null, null, 0, null);
-    expect(task.accept(new ResolveHtmlTaskTestTV_accept()), isTrue);
-  }
-
-  void test_getElement() {
-    ResolveHtmlTask task = new ResolveHtmlTask(null, null, 0, null);
-    expect(task.element, isNull);
-  }
-
-  void test_getException() {
-    ResolveHtmlTask task = new ResolveHtmlTask(null, null, 0, null);
-    expect(task.exception, isNull);
-  }
-
-  void test_getResolutionErrors() {
-    ResolveHtmlTask task = new ResolveHtmlTask(null, null, 0, null);
-    expect(task.resolutionErrors, hasLength(0));
-  }
-
-  void test_getSource() {
-    Source source = new TestSource('test.dart', '');
-    ResolveHtmlTask task = new ResolveHtmlTask(null, source, 0, null);
-    expect(task.source, same(source));
-  }
-
-  void test_perform_exception() {
-    Source source = new TestSource();
-    InternalAnalysisContext context = AnalysisContextFactory.contextWithCore();
-    ResolveHtmlTask task = new ResolveHtmlTask(context, source, 0, null);
-    task.perform(new ResolveHtmlTaskTestTV_perform_exception());
-  }
-
-  void test_perform_valid() {
-    int modificationStamp = 73;
-    String content = r'''
-<html>
-<head>
-  <script type='application/dart'>
-    void f() { x = 0; }
-  </script>
-</head>
-<body>
-</body>
-</html>''';
-    Source source = new TestSource("/test.html", content);
-    InternalAnalysisContext context = AnalysisContextFactory.contextWithCore();
-    ParseHtmlTask parseTask = new ParseHtmlTask(context, source, content);
-    parseTask.perform(new ResolveHtmlTaskTestTV_perform_valid_2());
-    ResolveHtmlTask task = new ResolveHtmlTask(
-        context, source, modificationStamp, parseTask.htmlUnit);
-    task.perform(
-        new ResolveHtmlTaskTestTV_perform_valid(modificationStamp, source));
-  }
-}
-
-class ResolveHtmlTaskTestTV_accept extends TestTaskVisitor<bool> {
-  @override
-  bool visitResolveHtmlTask(ResolveHtmlTask task) => true;
-}
-
-class ResolveHtmlTaskTestTV_perform_exception extends TestTaskVisitor<bool> {
-  @override
-  bool visitResolveHtmlTask(ResolveHtmlTask task) {
-    expect(task.exception, isNotNull);
-    return true;
-  }
-}
-
-class ResolveHtmlTaskTestTV_perform_valid extends TestTaskVisitor<Object> {
-  int modificationStamp;
-  Source source;
-  ResolveHtmlTaskTestTV_perform_valid(this.modificationStamp, this.source);
-  @override
-  Object visitResolveHtmlTask(ResolveHtmlTask task) {
-    CaughtException exception = task.exception;
-    if (exception != null) {
-      throw exception;
-    }
-    expect(task.element, isNotNull);
-    expect(task.resolutionErrors, hasLength(1));
-    expect(task.source, same(source));
-    return null;
-  }
-}
-
-class ResolveHtmlTaskTestTV_perform_valid_2 extends TestTaskVisitor<Object> {
-  @override
-  Object visitParseHtmlTask(ParseHtmlTask task) => null;
-}
-
-@reflectiveTest
-class ScanDartTaskTest extends EngineTestCase {
-  void test_accept() {
-    ScanDartTask task = new ScanDartTask(null, null, null);
-    expect(task.accept(new ScanDartTaskTestTV_accept()), isTrue);
-  }
-
-  void test_getErrors() {
-    ScanDartTask task = new ScanDartTask(null, null, null);
-    expect(task.errors, hasLength(0));
-  }
-
-  void test_getException() {
-    ScanDartTask task = new ScanDartTask(null, null, null);
-    expect(task.exception, isNull);
-  }
-
-  void test_getLineInfo() {
-    ScanDartTask task = new ScanDartTask(null, null, null);
-    expect(task.lineInfo, isNull);
-  }
-
-  void test_getSource() {
-    Source source = new TestSource('test.dart', '');
-    ScanDartTask task = new ScanDartTask(null, source, null);
-    expect(task.source, same(source));
-  }
-
-  void test_perform_valid() {
-    String content = 'class A {}';
-    Source source = new TestSource('test.dart', content);
-    InternalAnalysisContext context = AnalysisContextFactory.contextWithCore();
-    ScanDartTask task = new ScanDartTask(context, source, content);
-    task.perform(new ScanDartTaskTestTV_perform_valid(context, source));
-  }
-}
-
-class ScanDartTaskTestTV_accept extends TestTaskVisitor<bool> {
-  @override
-  bool visitScanDartTask(ScanDartTask task) => true;
-}
-
-class ScanDartTaskTestTV_perform_valid extends TestTaskVisitor<bool> {
-  InternalAnalysisContext context;
-  Source source;
-  ScanDartTaskTestTV_perform_valid(this.context, this.source);
-  @override
-  bool visitScanDartTask(ScanDartTask task) {
-    CaughtException exception = task.exception;
-    if (exception != null) {
-      throw exception;
-    }
-    expect(task.tokenStream, isNotNull);
-    expect(task.errors, hasLength(0));
-    expect(task.lineInfo, isNotNull);
-    expect(task.source, same(source));
-    return true;
-  }
-}
-
-@reflectiveTest
-class SdkCachePartitionTest extends EngineTestCase {
-  void test_contains_false() {
-    SdkCachePartition partition = new SdkCachePartition(null, 8);
-    Source source = new TestSource();
-    expect(partition.contains(source), isFalse);
-  }
-
-  void test_contains_true() {
-    SdkCachePartition partition = new SdkCachePartition(null, 8);
-    SourceFactory factory = new SourceFactory(
-        [new DartUriResolver(DirectoryBasedDartSdk.defaultSdk)]);
-    Source source = factory.forUri("dart:core");
-    expect(partition.contains(source), isTrue);
-  }
-
-  void test_creation() {
-    expect(new SdkCachePartition(null, 8), isNotNull);
-  }
-}
-
-@reflectiveTest
 class SourcesChangedEventTest {
   void test_added() {
     var source = new StringSource('', '/test.dart');
     var changeSet = new ChangeSet();
     changeSet.addedSource(source);
     var event = new SourcesChangedEvent(changeSet);
     assertEvent(event, wereSourcesAdded: true);
   }
 
   void test_changedContent() {
@@ skipping 102 matching lines @@
     return null;
   }
 
   @override
   AnalysisOptions get analysisOptions {
     fail("Unexpected invocation of getAnalysisOptions");
     return null;
   }
 
   @override
+  void set analysisOptions(AnalysisOptions options) {
+    fail("Unexpected invocation of setAnalysisOptions");
+  }
+
+  @override
+  void set analysisPriorityOrder(List<Source> sources) {
+    fail("Unexpected invocation of setAnalysisPriorityOrder");
+  }
+
+  @override
+  set contentCache(ContentCache value) {
+    fail("Unexpected invocation of setContentCache");
+  }
+
+  @override
+  DeclaredVariables get declaredVariables {
+    fail("Unexpected invocation of getDeclaredVariables");
+    return null;
+  }
+
+  @override
   EmbedderYamlLocator get embedderYamlLocator {
     fail("Unexpected invocation of get embedderYamlLocator");
     return null;
   }
 
   @override
-  void set analysisOptions(AnalysisOptions options) {
-    fail("Unexpected invocation of setAnalysisOptions");
-  }
-
-  @override
-  void set analysisPriorityOrder(List<Source> sources) {
-    fail("Unexpected invocation of setAnalysisPriorityOrder");
-  }
-
-  @override
-  set contentCache(ContentCache value) {
-    fail("Unexpected invocation of setContentCache");
-  }
-
-  @override
-  DeclaredVariables get declaredVariables {
-    fail("Unexpected invocation of getDeclaredVariables");
-    return null;
-  }
-
-  @override
-  List<newContext.AnalysisTarget> get explicitTargets {
+  List<AnalysisTarget> get explicitTargets {
     fail("Unexpected invocation of visitCacheItems");
     return null;
   }
 
   @override
   List<Source> get htmlSources {
     fail("Unexpected invocation of getHtmlSources");
     return null;
   }
 
@@ skipping 15 matching lines @@
     return null;
   }
 
   @override
   List<Source> get launchableServerLibrarySources {
     fail("Unexpected invocation of getLaunchableServerLibrarySources");
     return null;
   }
 
   @override
-  LibraryResolverFactory get libraryResolverFactory {
-    fail("Unexpected invocation of getLibraryResolverFactory");
-    return null;
-  }
-
-  @override
   List<Source> get librarySources {
     fail("Unexpected invocation of getLibrarySources");
     return null;
   }
 
   @override
   String get name {
     fail("Unexpected invocation of name");
     return null;
   }
 
   @override
   set name(String value) {
     fail("Unexpected invocation of name");
   }
 
   @override
   Stream<SourcesChangedEvent> get onSourcesChanged {
     fail("Unexpected invocation of onSourcesChanged");
     return null;
   }
 
   @override
   List<Source> get prioritySources {
     fail("Unexpected invocation of getPrioritySources");
     return null;
   }
 
   @override
-  List<newContext.AnalysisTarget> get priorityTargets {
+  List<AnalysisTarget> get priorityTargets {
     fail("Unexpected invocation of visitCacheItems");
     return null;
   }
 
   @override
   CachePartition get privateAnalysisCachePartition {
     fail("Unexpected invocation of privateAnalysisCachePartition");
     return null;
   }
 
@@ skipping 14 matching lines @@
     fail("Unexpected invocation of setSourceFactory");
   }
 
   @override
   List<Source> get sources {
     fail("Unexpected invocation of sources");
     return null;
   }
 
   @override
-  AnalysisContextStatistics get statistics {
-    fail("Unexpected invocation of getStatistics");
-    return null;
-  }
-
-  @override
   TypeProvider get typeProvider {
     fail("Unexpected invocation of getTypeProvider");
     return null;
   }
 
   @override
   void set typeProvider(TypeProvider typeProvider) {
     fail("Unexpected invocation of set typeProvider");
   }
 
   @override
   TypeResolverVisitorFactory get typeResolverVisitorFactory {
     fail("Unexpected invocation of getTypeResolverVisitorFactory");
     return null;
   }
 
   @override
   TypeSystem get typeSystem {
     fail("Unexpected invocation of getTypeSystem");
     return null;
   }
 
   @override
-  List<newContext.WorkManager> get workManagers {
+  List<WorkManager> get workManagers {
     fail("Unexpected invocation of workManagers");
     return null;
   }
 
   @override
   void addListener(AnalysisListener listener) {
     fail("Unexpected invocation of addListener");
   }
 
   @override
@@ skipping 63 matching lines @@
   }
 
   @override
   Future<CompilationUnit> computeResolvedCompilationUnitAsync(
       Source source, Source librarySource) {
     fail("Unexpected invocation of getResolvedCompilationUnitFuture");
     return null;
   }
 
   @override
-  Object computeResult(
-      newContext.AnalysisTarget target, newContext.ResultDescriptor result) {
+  Object computeResult(AnalysisTarget target, ResultDescriptor result) {
     fail("Unexpected invocation of computeResult");
     return null;
   }
 
   @override
   void dispose() {
     fail("Unexpected invocation of dispose");
   }
 
   @override
   List<CompilationUnit> ensureResolvedDartUnits(Source source) {
     fail("Unexpected invocation of ensureResolvedDartUnits");
     return null;
   }
 
   @override
   bool exists(Source source) {
     fail("Unexpected invocation of exists");
     return false;
   }
 
   @override
-  CacheEntry getCacheEntry(newContext.AnalysisTarget target) {
+  CacheEntry getCacheEntry(AnalysisTarget target) {
     fail("Unexpected invocation of visitCacheItems");
     return null;
   }
 
   @override
   CompilationUnitElement getCompilationUnitElement(
       Source unitSource, Source librarySource) {
     fail("Unexpected invocation of getCompilationUnitElement");
     return null;
   }
 
   @override
-  Object getConfigurationData(newContext.ResultDescriptor key) {
+  Object getConfigurationData(ResultDescriptor key) {
     fail("Unexpected invocation of getConfigurationData");
     return null;
   }
 
   @override
   TimestampedData<String> getContents(Source source) {
     fail("Unexpected invocation of getContents");
     return null;
   }
 
@@ skipping 97 matching lines @@
   }
 
   @override
   @deprecated
   ht.HtmlUnit getResolvedHtmlUnit(Source htmlSource) {
     fail("Unexpected invocation of getResolvedHtmlUnit");
     return null;
   }
 
   @override
-  Object getResult(
-      newContext.AnalysisTarget target, newContext.ResultDescriptor result) {
+  Object getResult(AnalysisTarget target, ResultDescriptor result) {
     fail("Unexpected invocation of getResult");
     return null;
   }
 
   @override
   List<Source> getSourcesWithFullName(String path) {
     fail("Unexpected invocation of getSourcesWithFullName");
     return null;
   }
 
@@ skipping 15 matching lines @@
     return false;
   }
 
   @override
   bool isServerLibrary(Source librarySource) {
     fail("Unexpected invocation of isServerLibrary");
     return false;
   }
 
   @override
-  Stream<ComputedResult> onResultComputed(
-      newContext.ResultDescriptor descriptor) {
+  Stream<ComputedResult> onResultComputed(ResultDescriptor descriptor) {
     fail("Unexpected invocation of onResultComputed");
     return null;
   }
 
   @override
   CompilationUnit parseCompilationUnit(Source source) {
     fail("Unexpected invocation of parseCompilationUnit");
     return null;
   }
 
@@ skipping 46 matching lines @@
     return null;
   }
 
   @override
   void setChangedContents(Source source, String contents, int offset,
       int oldLength, int newLength) {
     fail("Unexpected invocation of setChangedContents");
   }
 
   @override
-  void setConfigurationData(newContext.ResultDescriptor key, Object data) {
+  void setConfigurationData(ResultDescriptor key, Object data) {
     fail("Unexpected invocation of setConfigurationData");
   }
 
   @override
   void setContents(Source source, String contents) {
     fail("Unexpected invocation of setContents");
   }
 
   @override
-  bool shouldErrorsBeAnalyzed(Source source, Object entry) {
+  bool shouldErrorsBeAnalyzed(Source source) {
     fail("Unexpected invocation of shouldErrorsBeAnalyzed");
     return false;
   }
 
   @override
   void test_flushAstStructures(Source source) {
     fail("Unexpected invocation of test_flushAstStructures");
   }
 
   @override
   bool validateCacheConsistency() {
     fail("Unexpected invocation of validateCacheConsistency");
     return false;
   }
 
   @deprecated
   @override
-  void visitCacheItems(void callback(Source source, SourceEntry dartEntry,
-      DataDescriptor rowDesc, CacheState state)) {
+  void visitCacheItems(void callback(
+      Source source, dynamic dartEntry, dynamic rowDesc, CacheState state)) {
     fail("Unexpected invocation of visitCacheItems");
   }
 
   @override
   void visitContentCache(ContentCacheVisitor visitor) {
     fail("Unexpected invocation of visitContentCache");
   }
 }
-
-class TestAnalysisContext_test_applyChanges extends TestAnalysisContext {
-  bool invoked = false;
-  TestAnalysisContext_test_applyChanges();
-  @override
-  ApplyChangesStatus applyChanges(ChangeSet changeSet) {
-    invoked = true;
-    return new ApplyChangesStatus(false);
-  }
-}
-
-class TestAnalysisContext_test_computeDocumentationComment
-    extends TestAnalysisContext {
-  bool invoked = false;
-  TestAnalysisContext_test_computeDocumentationComment();
-  @override
-  String computeDocumentationComment(Element element) {
-    invoked = true;
-    return null;
-  }
-}
-
-class TestAnalysisContext_test_computeErrors extends TestAnalysisContext {
-  bool invoked = false;
-  TestAnalysisContext_test_computeErrors();
-  @override
-  List<AnalysisError> computeErrors(Source source) {
-    invoked = true;
-    return AnalysisError.NO_ERRORS;
-  }
-}
-
-class TestAnalysisContext_test_computeExportedLibraries
-    extends TestAnalysisContext {
-  bool invoked = false;
-  TestAnalysisContext_test_computeExportedLibraries();
-  @override
-  List<Source> computeExportedLibraries(Source source) {
-    invoked = true;
-    return null;
-  }
-}
-
-class TestAnalysisContext_test_computeHtmlElement extends TestAnalysisContext {
-  bool invoked = false;
-  TestAnalysisContext_test_computeHtmlElement();
-  @override
-  @deprecated
-  HtmlElement computeHtmlElement(Source source) {
-    invoked = true;
-    return null;
-  }
-}
-
-class TestAnalysisContext_test_computeImportedLibraries
-    extends TestAnalysisContext {
-  bool invoked = false;
-  TestAnalysisContext_test_computeImportedLibraries();
-  @override
-  List<Source> computeImportedLibraries(Source source) {
-    invoked = true;
-    return null;
-  }
-}
-
-class TestAnalysisContext_test_computeKindOf extends TestAnalysisContext {
-  bool invoked = false;
-  TestAnalysisContext_test_computeKindOf();
-  @override
-  SourceKind computeKindOf(Source source) {
-    invoked = true;
-    return null;
-  }
-}
-
-class TestAnalysisContext_test_computeLibraryElement
-    extends TestAnalysisContext {
-  bool invoked = false;
-  TestAnalysisContext_test_computeLibraryElement();
-  @override
-  LibraryElement computeLibraryElement(Source source) {
-    invoked = true;
-    return null;
-  }
-}
-
-class TestAnalysisContext_test_computeLineInfo extends TestAnalysisContext {
-  bool invoked = false;
-  TestAnalysisContext_test_computeLineInfo();
-  @override
-  LineInfo computeLineInfo(Source source) {
-    invoked = true;
-    return null;
-  }
-}
-
-class TestAnalysisContext_test_computeResolvableCompilationUnit
-    extends TestAnalysisContext {
-  bool invoked = false;
-  TestAnalysisContext_test_computeResolvableCompilationUnit();
-  @override
-  CompilationUnit computeResolvableCompilationUnit(Source source) {
-    invoked = true;
-    return null;
-  }
-}
-
-class TestAnalysisContext_test_dispose extends TestAnalysisContext {
-  bool invoked = false;
-  TestAnalysisContext_test_dispose();
-  @override
-  void dispose() {
-    invoked = true;
-  }
-}
-
-class TestAnalysisContext_test_exists extends TestAnalysisContext {
-  bool invoked = false;
-  TestAnalysisContext_test_exists();
-  @override
-  bool exists(Source source) {
-    invoked = true;
-    return false;
-  }
-}
-
-class TestAnalysisContext_test_getAnalysisOptions extends TestAnalysisContext {
-  bool invoked = false;
-  TestAnalysisContext_test_getAnalysisOptions();
-  @override
-  AnalysisOptions get analysisOptions {
-    invoked = true;
-    return null;
-  }
-}
-
-class TestAnalysisContext_test_getCompilationUnitElement
-    extends TestAnalysisContext {
-  bool invoked = false;
-  TestAnalysisContext_test_getCompilationUnitElement();
-  @override
-  CompilationUnitElement getCompilationUnitElement(
-      Source unitSource, Source librarySource) {
-    invoked = true;
-    return null;
-  }
-}
-
-class TestAnalysisContext_test_getContents extends TestAnalysisContext {
-  bool invoked = false;
-  TestAnalysisContext_test_getContents();
-  @override
-  TimestampedData<String> getContents(Source source) {
-    invoked = true;
-    return null;
-  }
-}
-
-class TestAnalysisContext_test_getElement extends TestAnalysisContext {
-  bool invoked = false;
-  TestAnalysisContext_test_getElement();
-  @override
-  Element getElement(ElementLocation location) {
-    invoked = true;
-    return null;
-  }
-}
-
-class TestAnalysisContext_test_getErrors extends TestAnalysisContext {
-  bool invoked = false;
-  TestAnalysisContext_test_getErrors();
-  @override
-  AnalysisErrorInfo getErrors(Source source) {
-    invoked = true;
-    return new AnalysisErrorInfoImpl(AnalysisError.NO_ERRORS, null);
-  }
-}
-
-class TestAnalysisContext_test_getHtmlElement extends TestAnalysisContext {
-  bool invoked = false;
-  TestAnalysisContext_test_getHtmlElement();
-  @override
-  @deprecated
-  HtmlElement getHtmlElement(Source source) {
-    invoked = true;
-    return null;
-  }
-}
-
-class TestAnalysisContext_test_getHtmlFilesReferencing
-    extends TestAnalysisContext {
-  bool invoked = false;
-  TestAnalysisContext_test_getHtmlFilesReferencing();
-  @override
-  List<Source> getHtmlFilesReferencing(Source source) {
-    invoked = true;
-    return Source.EMPTY_LIST;
-  }
-}
-
-class TestAnalysisContext_test_getHtmlSources extends TestAnalysisContext {
-  bool invoked = false;
-  TestAnalysisContext_test_getHtmlSources();
-  @override
-  List<Source> get htmlSources {
-    invoked = true;
-    return Source.EMPTY_LIST;
-  }
-}
-
-class TestAnalysisContext_test_getKindOf extends TestAnalysisContext {
-  bool invoked = false;
-  TestAnalysisContext_test_getKindOf();
-  @override
-  SourceKind getKindOf(Source source) {
-    invoked = true;
-    return null;
-  }
-}
-
-class TestAnalysisContext_test_getLaunchableClientLibrarySources
-    extends TestAnalysisContext {
-  bool invoked = false;
-  TestAnalysisContext_test_getLaunchableClientLibrarySources();
-  @override
-  List<Source> get launchableClientLibrarySources {
-    invoked = true;
-    return Source.EMPTY_LIST;
-  }
-}
-
-class TestAnalysisContext_test_getLaunchableServerLibrarySources
-    extends TestAnalysisContext {
-  bool invoked = false;
-  TestAnalysisContext_test_getLaunchableServerLibrarySources();
-  @override
-  List<Source> get launchableServerLibrarySources {
-    invoked = true;
-    return Source.EMPTY_LIST;
-  }
-}
-
-class TestAnalysisContext_test_getLibrariesContaining
-    extends TestAnalysisContext {
-  bool invoked = false;
-  TestAnalysisContext_test_getLibrariesContaining();
-  @override
-  List<Source> getLibrariesContaining(Source source) {
-    invoked = true;
-    return Source.EMPTY_LIST;
-  }
-}
-
-class TestAnalysisContext_test_getLibrariesDependingOn
-    extends TestAnalysisContext {
-  bool invoked = false;
-  TestAnalysisContext_test_getLibrariesDependingOn();
-  @override
-  List<Source> getLibrariesDependingOn(Source librarySource) {
-    invoked = true;
-    return Source.EMPTY_LIST;
-  }
-}
-
-class TestAnalysisContext_test_getLibrariesReferencedFromHtml
-    extends TestAnalysisContext {
-  bool invoked = false;
-  TestAnalysisContext_test_getLibrariesReferencedFromHtml();
-  @override
-  List<Source> getLibrariesReferencedFromHtml(Source htmlSource) {
-    invoked = true;
-    return null;
-  }
-}
-
-class TestAnalysisContext_test_getLibraryElement extends TestAnalysisContext {
-  bool invoked = false;
-  TestAnalysisContext_test_getLibraryElement();
-  @override
-  LibraryElement getLibraryElement(Source source) {
-    invoked = true;
-    return null;
-  }
-}
-
-class TestAnalysisContext_test_getLibrarySources extends TestAnalysisContext {
-  bool invoked = false;
-  TestAnalysisContext_test_getLibrarySources();
-  @override
-  List<Source> get librarySources {
-    invoked = true;
-    return Source.EMPTY_LIST;
-  }
-}
-
-class TestAnalysisContext_test_getLineInfo extends TestAnalysisContext {
-  bool invoked = false;
-  TestAnalysisContext_test_getLineInfo();
-  @override
-  LineInfo getLineInfo(Source source) {
-    invoked = true;
-    return null;
-  }
-}
-
-class TestAnalysisContext_test_getModificationStamp
-    extends TestAnalysisContext {
-  bool invoked = false;
-  TestAnalysisContext_test_getModificationStamp();
-  @override
-  int getModificationStamp(Source source) {
-    invoked = true;
-    return 0;
-  }
-}
-
-class TestAnalysisContext_test_getPublicNamespace extends TestAnalysisContext {
-  bool invoked = false;
-  TestAnalysisContext_test_getPublicNamespace();
-  @override
-  Namespace getPublicNamespace(LibraryElement library) {
-    invoked = true;
-    return null;
-  }
-}
-
-class TestAnalysisContext_test_getResolvedCompilationUnit_element
-    extends TestAnalysisContext {
-  bool invoked = false;
-  TestAnalysisContext_test_getResolvedCompilationUnit_element();
-  @override
-  CompilationUnit getResolvedCompilationUnit(
-      Source unitSource, LibraryElement library) {
-    invoked = true;
-    return null;
-  }
-}
-
-class TestAnalysisContext_test_getResolvedCompilationUnit_source
-    extends TestAnalysisContext {
-  bool invoked = false;
-  TestAnalysisContext_test_getResolvedCompilationUnit_source();
-  @override
-  CompilationUnit getResolvedCompilationUnit2(
-      Source unitSource, Source librarySource) {
-    invoked = true;
-    return null;
-  }
-}
-
-class TestAnalysisContext_test_getResolvedHtmlUnit extends TestAnalysisContext {
-  bool invoked = false;
-  TestAnalysisContext_test_getResolvedHtmlUnit();
-  @override
-  @deprecated
-  ht.HtmlUnit getResolvedHtmlUnit(Source htmlSource) {
-    invoked = true;
-    return null;
-  }
-}
-
-class TestAnalysisContext_test_getSourceFactory extends TestAnalysisContext {
-  bool invoked = false;
-  TestAnalysisContext_test_getSourceFactory();
-  @override
-  SourceFactory get sourceFactory {
-    invoked = true;
-    return null;
-  }
-}
-
-class TestAnalysisContext_test_getStatistics extends TestAnalysisContext {
-  bool invoked = false;
-  TestAnalysisContext_test_getStatistics();
-  @override
-  AnalysisContextStatistics get statistics {
-    invoked = true;
-    return null;
-  }
-}
-
-class TestAnalysisContext_test_getTypeProvider extends TestAnalysisContext {
-  bool invoked = false;
-  TestAnalysisContext_test_getTypeProvider();
-  @override
-  TypeProvider get typeProvider {
-    invoked = true;
-    return null;
-  }
-}
-
-class TestAnalysisContext_test_isClientLibrary extends TestAnalysisContext {
-  bool invoked = false;
-  TestAnalysisContext_test_isClientLibrary();
-  @override
-  bool isClientLibrary(Source librarySource) {
-    invoked = true;
-    return false;
-  }
-}
-
-class TestAnalysisContext_test_isDisposed extends TestAnalysisContext {
-  bool invoked = false;
-  TestAnalysisContext_test_isDisposed();
-  @override
-  bool get isDisposed {
-    invoked = true;
-    return false;
-  }
-}
-
-class TestAnalysisContext_test_isServerLibrary extends TestAnalysisContext {
-  bool invoked = false;
-  TestAnalysisContext_test_isServerLibrary();
-  @override
-  bool isServerLibrary(Source librarySource) {
-    invoked = true;
-    return false;
-  }
-}
-
-class TestAnalysisContext_test_parseCompilationUnit
-    extends TestAnalysisContext {
-  bool invoked = false;
-  TestAnalysisContext_test_parseCompilationUnit();
-  @override
-  CompilationUnit parseCompilationUnit(Source source) {
-    invoked = true;
-    return null;
-  }
-}
-
-class TestAnalysisContext_test_parseHtmlUnit extends TestAnalysisContext {
-  bool invoked = false;
-  TestAnalysisContext_test_parseHtmlUnit();
-  @override
-  ht.HtmlUnit parseHtmlUnit(Source source) {
-    invoked = true;
-    return null;
-  }
-}
-
-class TestAnalysisContext_test_performAnalysisTask extends TestAnalysisContext {
-  bool invoked = false;
-  TestAnalysisContext_test_performAnalysisTask();
-  @override
-  AnalysisResult performAnalysisTask() {
-    invoked = true;
-    return new AnalysisResult(new List<ChangeNotice>(0), 0, null, 0);
-  }
-}
-
-class TestAnalysisContext_test_recordLibraryElements
-    extends TestAnalysisContext {
-  bool invoked = false;
-  TestAnalysisContext_test_recordLibraryElements();
-  @override
-  void recordLibraryElements(Map<Source, LibraryElement> elementMap) {
-    invoked = true;
-  }
-}
-
-class TestAnalysisContext_test_resolveCompilationUnit
-    extends TestAnalysisContext {
-  bool invoked = false;
-  TestAnalysisContext_test_resolveCompilationUnit();
-  @override
-  CompilationUnit resolveCompilationUnit2(
-      Source unitSource, Source librarySource) {
-    invoked = true;
-    return null;
-  }
-}
-
-class TestAnalysisContext_test_resolveCompilationUnit_element
-    extends TestAnalysisContext {
-  bool invoked = false;
-  TestAnalysisContext_test_resolveCompilationUnit_element();
-  @override
-  CompilationUnit resolveCompilationUnit(
-      Source unitSource, LibraryElement library) {
-    invoked = true;
-    return null;
-  }
-}
-
-class TestAnalysisContext_test_resolveHtmlUnit extends TestAnalysisContext {
-  bool invoked = false;
-  TestAnalysisContext_test_resolveHtmlUnit();
-  @override
-  @deprecated
-  ht.HtmlUnit resolveHtmlUnit(Source htmlSource) {
-    invoked = true;
-    return null;
-  }
-}
-
-class TestAnalysisContext_test_setAnalysisOptions extends TestAnalysisContext {
-  bool invoked = false;
-  TestAnalysisContext_test_setAnalysisOptions();
-  @override
-  void set analysisOptions(AnalysisOptions options) {
-    invoked = true;
-  }
-}
-
-class TestAnalysisContext_test_setAnalysisPriorityOrder
-    extends TestAnalysisContext {
-  bool invoked = false;
-  TestAnalysisContext_test_setAnalysisPriorityOrder();
-  @override
-  void set analysisPriorityOrder(List<Source> sources) {
-    invoked = true;
-  }
-}
-
-class TestAnalysisContext_test_setChangedContents extends TestAnalysisContext {
-  bool invoked = false;
-  TestAnalysisContext_test_setChangedContents();
-  @override
-  void setChangedContents(Source source, String contents, int offset,
-      int oldLength, int newLength) {
-    invoked = true;
-  }
-}
-
-class TestAnalysisContext_test_setContents extends TestAnalysisContext {
-  bool invoked = false;
-  TestAnalysisContext_test_setContents();
-  @override
-  void setContents(Source source, String contents) {
-    invoked = true;
-  }
-}
-
-class TestAnalysisContext_test_setSourceFactory extends TestAnalysisContext {
-  bool invoked = false;
-  TestAnalysisContext_test_setSourceFactory();
-  @override
-  void set sourceFactory(SourceFactory factory) {
-    invoked = true;
-  }
-}
-
-/**
- * Instances of the class `TestTaskVisitor` implement a task visitor that fails if any of its
- * methods are invoked. Subclasses typically override the expected methods to not cause a test
- * failure.
- */
-class TestTaskVisitor<E> implements AnalysisTaskVisitor<E> {
-  @override
-  E visitGenerateDartErrorsTask(GenerateDartErrorsTask task) {
-    fail("Unexpectedly invoked visitGenerateDartErrorsTask");
-    return null;
-  }
-
-  @override
-  E visitGenerateDartHintsTask(GenerateDartHintsTask task) {
-    fail("Unexpectedly invoked visitGenerateDartHintsTask");
-    return null;
-  }
-
-  @override
-  E visitGenerateDartLintsTask(GenerateDartLintsTask task) {
-    fail("Unexpectedly invoked visitGenerateDartLintsTask");
-    return null;
-  }
-
-  @override
-  E visitGetContentTask(GetContentTask task) {
-    fail("Unexpectedly invoked visitGetContentsTask");
-    return null;
-  }
-
-  @override
-  E visitIncrementalAnalysisTask(
-      IncrementalAnalysisTask incrementalAnalysisTask) {
-    fail("Unexpectedly invoked visitIncrementalAnalysisTask");
-    return null;
-  }
-
-  @override
-  E visitParseDartTask(ParseDartTask task) {
-    fail("Unexpectedly invoked visitParseDartTask");
-    return null;
-  }
-
-  @override
-  E visitParseHtmlTask(ParseHtmlTask task) {
-    fail("Unexpectedly invoked visitParseHtmlTask");
-    return null;
-  }
-
-  @override
-  E visitResolveDartLibraryCycleTask(ResolveDartLibraryCycleTask task) {
-    fail("Unexpectedly invoked visitResolveDartLibraryCycleTask");
-    return null;
-  }
-
-  @override
-  E visitResolveDartLibraryTask(ResolveDartLibraryTask task) {
-    fail("Unexpectedly invoked visitResolveDartLibraryTask");
-    return null;
-  }
-
-  @override
-  E visitResolveDartUnitTask(ResolveDartUnitTask task) {
-    fail("Unexpectedly invoked visitResolveDartUnitTask");
-    return null;
-  }
-
-  @override
-  E visitResolveHtmlTask(ResolveHtmlTask task) {
-    fail("Unexpectedly invoked visitResolveHtmlTask");
-    return null;
-  }
-
-  @override
-  E visitScanDartTask(ScanDartTask task) {
-    fail("Unexpectedly invoked visitScanDartTask");
-    return null;
-  }
-}
-
-@reflectiveTest
-class UniversalCachePartitionTest extends EngineTestCase {
-  void test_contains() {
-    UniversalCachePartition partition =
-        new UniversalCachePartition(null, 8, null);
-    TestSource source = new TestSource();
-    expect(partition.contains(source), isTrue);
-  }
-
-  void test_creation() {
-    expect(new UniversalCachePartition(null, 8, null), isNotNull);
-  }
-
-  void test_entrySet() {
-    UniversalCachePartition partition =
-        new UniversalCachePartition(null, 8, null);
-    TestSource source = new TestSource();
-    DartEntry entry = new DartEntry();
-    partition.put(source, entry);
-    Map<Source, SourceEntry> entryMap = partition.map;
-    expect(entryMap.length, 1);
-    Source entryKey = entryMap.keys.first;
-    expect(entryKey, same(source));
-    expect(entryMap[entryKey], same(entry));
-  }
-
-  void test_get() {
-    UniversalCachePartition partition =
-        new UniversalCachePartition(null, 8, null);
-    TestSource source = new TestSource();
-    expect(partition.get(source), isNull);
-  }
-
-  void test_put_noFlush() {
-    UniversalCachePartition partition =
-        new UniversalCachePartition(null, 8, null);
-    TestSource source = new TestSource();
-    DartEntry entry = new DartEntry();
-    partition.put(source, entry);
-    expect(partition.get(source), same(entry));
-  }
-
-  void test_remove() {
-    UniversalCachePartition partition =
-        new UniversalCachePartition(null, 8, null);
-    TestSource source = new TestSource();
-    DartEntry entry = new DartEntry();
-    partition.put(source, entry);
-    expect(partition.get(source), same(entry));
-    partition.remove(source);
-    expect(partition.get(source), isNull);
-  }
-
-  void test_setMaxCacheSize() {
-    UniversalCachePartition partition = new UniversalCachePartition(
-        null, 8, new _UniversalCachePartitionTest_test_setMaxCacheSize());
-    int size = 6;
-    for (int i = 0; i < size; i++) {
-      Source source = new TestSource("/test$i.dart");
-      DartEntry entry = new DartEntry();
-      entry.setValue(DartEntry.PARSED_UNIT, null);
-      partition.put(source, entry);
-      partition.accessedAst(source);
-    }
-    _assertNonFlushedCount(size, partition);
-    int newSize = size - 2;
-    partition.maxCacheSize = newSize;
-    _assertNonFlushedCount(newSize, partition);
-  }
-
-  void test_size() {
-    UniversalCachePartition partition =
-        new UniversalCachePartition(null, 8, null);
-    int size = 4;
-    for (int i = 0; i < size; i++) {
-      Source source = new TestSource("/test$i.dart");
-      partition.put(source, new DartEntry());
-      partition.accessedAst(source);
-    }
-    expect(partition.size(), size);
-  }
-
-  void _assertNonFlushedCount(
-      int expectedCount, UniversalCachePartition partition) {
-    int nonFlushedCount = 0;
-    Map<Source, SourceEntry> entryMap = partition.map;
-    entryMap.values.forEach((SourceEntry value) {
-      if (value.getState(DartEntry.PARSED_UNIT) != CacheState.FLUSHED) {
-        nonFlushedCount++;
-      }
-    });
-    expect(nonFlushedCount, expectedCount);
-  }
-}
-
-@reflectiveTest
-class WorkManagerTest extends EngineTestCase {
-  void test_addFirst() {
-    TestSource source1 = new TestSource("/f1.dart");
-    TestSource source2 = new TestSource("/f2.dart");
-    WorkManager manager = new WorkManager();
-    manager.add(source1, SourcePriority.UNKNOWN);
-    manager.addFirst(source2, SourcePriority.UNKNOWN);
-    WorkManager_WorkIterator iterator = manager.iterator();
-    expect(iterator.next(), same(source2));
-    expect(iterator.next(), same(source1));
-  }
-
-  void test_creation() {
-    expect(new WorkManager(), isNotNull);
-  }
-
-  void test_iterator_empty() {
-    WorkManager manager = new WorkManager();
-    WorkManager_WorkIterator iterator = manager.iterator();
-    expect(iterator.hasNext, isFalse);
-    try {
-      iterator.next();
-      fail("Expected NoSuchElementException");
-    } on NoSuchElementException {}
-  }
-
-  void test_iterator_nonEmpty() {
-    TestSource source = new TestSource();
-    WorkManager manager = new WorkManager();
-    manager.add(source, SourcePriority.UNKNOWN);
-    WorkManager_WorkIterator iterator = manager.iterator();
-    expect(iterator.hasNext, isTrue);
-    expect(iterator.next(), same(source));
-  }
-
-  void test_remove() {
-    TestSource source1 = new TestSource("/f1.dart");
-    TestSource source2 = new TestSource("/f2.dart");
-    TestSource source3 = new TestSource("/f3.dart");
-    WorkManager manager = new WorkManager();
-    manager.add(source1, SourcePriority.UNKNOWN);
-    manager.add(source2, SourcePriority.UNKNOWN);
-    manager.add(source3, SourcePriority.UNKNOWN);
-    manager.remove(source2);
-    WorkManager_WorkIterator iterator = manager.iterator();
-    expect(iterator.next(), same(source1));
-    expect(iterator.next(), same(source3));
-  }
-
-  void test_toString_empty() {
-    WorkManager manager = new WorkManager();
-    expect(manager.toString(), isNotNull);
-  }
-
-  void test_toString_nonEmpty() {
-    WorkManager manager = new WorkManager();
-    manager.add(new TestSource(), SourcePriority.HTML);
-    manager.add(new TestSource(), SourcePriority.LIBRARY);
-    manager.add(new TestSource(), SourcePriority.NORMAL_PART);
-    manager.add(new TestSource(), SourcePriority.PRIORITY_PART);
-    manager.add(new TestSource(), SourcePriority.UNKNOWN);
-    expect(manager.toString(), isNotNull);
-  }
-}
-
-class _AnalysisCacheTest_test_setMaxCacheSize implements CacheRetentionPolicy {
-  @override
-  RetentionPriority getAstPriority(Source source, SourceEntry sourceEntry) =>
-      RetentionPriority.LOW;
-}
-
-class _AnalysisContext_sourceChangeDuringResolution
-    extends AnalysisContextForTests {
-  @override
-  DartEntry recordResolveDartLibraryTaskResults(ResolveDartLibraryTask task) {
-    ChangeSet changeSet = new ChangeSet();
-    changeSet.changedSource(task.librarySource);
-    applyChanges(changeSet);
-    return super.recordResolveDartLibraryTaskResults(task);
-  }
-}
-
-class _AnalysisContextImplTest_test_applyChanges_removeContainer
-    implements SourceContainer {
-  Source libB;
-  _AnalysisContextImplTest_test_applyChanges_removeContainer(this.libB);
-  @override
-  bool contains(Source source) => source == libB;
-}
-
-class _Source_getContent_throwException extends NonExistingSource {
-  _Source_getContent_throwException(String name)
-      : super(name, pathos.toUri(name), UriKind.FILE_URI);
-
-  @override
-  TimestampedData<String> get contents {
-    throw 'Read error';
-  }
-
-  @override
-  bool exists() => true;
-}
-
-class _UniversalCachePartitionTest_test_setMaxCacheSize
-    implements CacheRetentionPolicy {
-  @override
-  RetentionPriority getAstPriority(Source source, SourceEntry sourceEntry) =>
-      RetentionPriority.LOW;
-}