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pkg/analyzer/test/src/task/strong/strong_test_helper.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.
 
 // TODO(jmesserly): this file needs to be refactored, it's a port from
 // package:dev_compiler's tests
 library analyzer.test.src.task.strong.strong_test_helper;
 
 import 'package:analyzer/dart/ast/ast.dart';
 import 'package:analyzer/dart/ast/token.dart';
@@ skipping 95 matching lines @@
 }
 
 /// Adds a file using [addFile] and calls [check].
 ///
 /// Also returns the resolved compilation unit.
 CompilationUnit checkFile(String content) {
   addFile(content);
   return check();
 }
 
+void initStrongModeTests() {
+  setUp(() {
+    AnalysisEngine.instance.processRequiredPlugins();
+    files = new MemoryResourceProvider();
+    _checkCalled = false;
+  });
+
+  tearDown(() {
+    // This is a sanity check, in case only addFile is called.
+    expect(_checkCalled, true, reason: 'must call check() method in test case');
+    files = null;
+  });
+}
+
+Level _actualErrorLevel(AnalysisError actual) {
+  return const <ErrorSeverity, Level>{
+    ErrorSeverity.ERROR: Level.SEVERE,
+    ErrorSeverity.WARNING: Level.WARNING,
+    ErrorSeverity.INFO: Level.INFO
+  }[actual.errorCode.errorSeverity];
+}
+
 SourceSpanWithContext _createSpanHelper(
     LineInfo lineInfo, int start, Source source, String content,
     {int end}) {
   var startLoc = _locationForOffset(lineInfo, source.uri, start);
   var endLoc = _locationForOffset(lineInfo, source.uri, end ?? start);
 
   var lineStart = startLoc.offset - startLoc.column;
   // Find the end of the line. This is not exposed directly on LineInfo, but
   // we can find it pretty easily.
   // TODO(jmesserly): for now we do the simple linear scan. Ideally we can get
@@ skipping 16 matching lines @@
 String _errorCodeName(ErrorCode errorCode) {
   var name = errorCode.name;
   final prefix = 'STRONG_MODE_';
   if (name.startsWith(prefix)) {
     return name.substring(prefix.length);
   } else {
     return name;
   }
 }
 
-void initStrongModeTests() {
-  setUp(() {
-    AnalysisEngine.instance.processRequiredPlugins();
-    files = new MemoryResourceProvider();
-    _checkCalled = false;
-  });
-
-  tearDown(() {
-    // This is a sanity check, in case only addFile is called.
-    expect(_checkCalled, true, reason: 'must call check() method in test case');
-    files = null;
-  });
-}
-
-SourceLocation _locationForOffset(LineInfo lineInfo, Uri uri, int offset) {
-  var loc = lineInfo.getLocation(offset);
-  return new SourceLocation(offset,
-      sourceUrl: uri, line: loc.lineNumber - 1, column: loc.columnNumber - 1);
-}
-
-/// Returns all libraries transitively imported or exported from [start].
-List<LibraryElement> _reachableLibraries(LibraryElement start) {
-  var results = <LibraryElement>[];
-  var seen = new Set();
-  void find(LibraryElement lib) {
-    if (seen.contains(lib)) return;
-    seen.add(lib);
-    results.add(lib);
-    lib.importedLibraries.forEach(find);
-    lib.exportedLibraries.forEach(find);
-  }
-  find(start);
-  return results;
-}
-
-Level _actualErrorLevel(AnalysisError actual) {
-  return const <ErrorSeverity, Level>{
-    ErrorSeverity.ERROR: Level.SEVERE,
-    ErrorSeverity.WARNING: Level.WARNING,
-    ErrorSeverity.INFO: Level.INFO
-  }[actual.errorCode.errorSeverity];
-}
-
 void _expectErrors(CompilationUnit unit, List<AnalysisError> actualErrors) {
   var expectedErrors = _findExpectedErrors(unit.beginToken);
 
   // Sort both lists: by offset, then level, then name.
   actualErrors.sort((x, y) {
     int delta = x.offset.compareTo(y.offset);
     if (delta != 0) return delta;
 
     delta = x.errorCode.errorSeverity.compareTo(y.errorCode.errorSeverity);
     if (delta != 0) return delta;
@@ skipping 55 matching lines @@
               expectedErrors.add(expected);
             }
           }
         }
       }
     }
   }
   return expectedErrors;
 }
 
+SourceLocation _locationForOffset(LineInfo lineInfo, Uri uri, int offset) {
+  var loc = lineInfo.getLocation(offset);
+  return new SourceLocation(offset,
+      sourceUrl: uri, line: loc.lineNumber - 1, column: loc.columnNumber - 1);
+}
+
+/// Returns all libraries transitively imported or exported from [start].
+List<LibraryElement> _reachableLibraries(LibraryElement start) {
+  var results = <LibraryElement>[];
+  var seen = new Set();
+  void find(LibraryElement lib) {
+    if (seen.contains(lib)) return;
+    seen.add(lib);
+    results.add(lib);
+    lib.importedLibraries.forEach(find);
+    lib.exportedLibraries.forEach(find);
+  }
+  find(start);
+  return results;
+}
+
 void _reportFailure(
     CompilationUnit unit,
     List<_ErrorExpectation> unreported,
     List<AnalysisError> unexpected,
     Map<_ErrorExpectation, AnalysisError> different) {
   // Get the source code. This reads the data again, but it's safe because
   // all tests use memory file system.
   var sourceCode = unit.element.source.contents.data;
 
   String formatActualError(AnalysisError error) {
@@ skipping 110 matching lines @@
 
   @override
   Source resolveAbsolute(Uri uri, [Uri actualUri]) {
     if (uri.scheme == 'package') {
       return (provider.getResource('/packages/' + uri.path) as File)
           .createSource(uri);
     }
     return super.resolveAbsolute(uri, actualUri);
   }
 }