Add LIBRARY_ERRORS result.

pkg/analyzer/test/src/task/dart_test.dart

 // Copyright (c) 2015, 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 test.src.task.dart_test;
 
 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';
@@ skipping 23 matching lines @@
   runReflectiveTests(BuildLibraryElementTaskTest);
   runReflectiveTests(BuildPublicNamespaceTaskTest);
   runReflectiveTests(BuildTypeProviderTaskTest);
   runReflectiveTests(ComputeConstantDependenciesTaskTest);
   runReflectiveTests(ComputeConstantValueTaskTest);
   runReflectiveTests(ContainingLibrariesTaskTest);
   runReflectiveTests(DartErrorsTaskTest);
   runReflectiveTests(GatherUsedImportedElementsTaskTest);
   runReflectiveTests(GatherUsedLocalElementsTaskTest);
   runReflectiveTests(GenerateHintsTaskTest);
+  runReflectiveTests(LibraryErrorsTaskTest);
   runReflectiveTests(LibraryUnitErrorsTaskTest);
   runReflectiveTests(ParseDartTaskTest);
   runReflectiveTests(ResolveUnitTypeNamesTaskTest);
   runReflectiveTests(ResolveLibraryTypeNamesTaskTest);
   runReflectiveTests(ResolveReferencesTaskTest);
   runReflectiveTests(ResolveVariableReferencesTaskTest);
   runReflectiveTests(ScanDartTaskTest);
   runReflectiveTests(VerifyUnitTaskTest);
 }
 
@@ skipping 1599 matching lines @@
     _computeResult(target, HINTS);
     expect(task, new isInstanceOf<GenerateHintsTask>());
     // validate
     _fillErrorListener(HINTS);
     errorListener.assertErrorsWithCodes(
         <ErrorCode>[HintCode.UNUSED_ELEMENT, HintCode.UNUSED_ELEMENT]);
   }
 }
 
 @reflectiveTest
+class LibraryErrorsTaskTest extends _AbstractDartTaskTest {
+  test_perform() {
+    Source library = newSource('/lib.dart', r'''
+library lib;
+part 'part1.dart';
+part 'part2.dart';
+X v1;
+''');
+    Source part1 = newSource('/part1.dart', r'''
+part of lib;
+X v2;
+''');
+    Source part2 = newSource('/part2.dart', r'''
+part of lib;
+X v3;
+''');
+    _computeResult(library, LIBRARY_ERRORS);
+    expect(task, new isInstanceOf<LibraryErrorsTask>());
+    expect(outputs, hasLength(1));
+    List<AnalysisError> errors = outputs[LIBRARY_ERRORS];
+    List<Source> errorSources = errors.map((_) => _.source).toList();
+    expect(errorSources, unorderedEquals([library, part1, part2]));
+  }
+}
+
+@reflectiveTest
 class LibraryUnitErrorsTaskTest extends _AbstractDartTaskTest {
   test_buildInputs() {
     Map<String, TaskInput> inputs = LibraryUnitErrorsTask
         .buildInputs(new LibrarySpecificUnit(emptySource, emptySource));
     expect(inputs, isNotNull);
     expect(inputs.keys, unorderedEquals([
       LibraryUnitErrorsTask.BUILD_FUNCTION_TYPE_ALIASES_ERRORS_INPUT,
       LibraryUnitErrorsTask.HINTS_INPUT,
       LibraryUnitErrorsTask.RESOLVE_REFERENCES_ERRORS_INPUT,
       LibraryUnitErrorsTask.RESOLVE_TYPE_NAMES_ERRORS_INPUT,
@@ skipping 494 matching lines @@
   /**
    * Fill [errorListener] with [result] errors in the current [task].
    */
   void _fillErrorListener(ResultDescriptor<List<AnalysisError>> result) {
     List<AnalysisError> errors = task.outputs[result];
     expect(errors, isNotNull, reason: result.name);
     errorListener = new GatheringErrorListener();
     errorListener.addAll(errors);
   }
 }