Version 1.7.0-dev.3.3

editor/tools/plugins/com.google.dart.engine_test/src/com/google/dart/engine/internal/resolver/LibraryElementBuilderTest.java

 /*
  * Copyright (c) 2013, the Dart project authors.
  * 
  * Licensed under the Eclipse Public License v1.0 (the "License"); you may not use this file except
  * in compliance with the License. You may obtain a copy of the License at
  * 
  * http://www.eclipse.org/legal/epl-v10.html
  * 
  * Unless required by applicable law or agreed to in writing, software distributed under the License
  * is distributed on an "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express
@@ skipping 155 matching lines @@
    * @param filePath the path of the file being added
    * @param contents the contents to be returned by the content provider for the specified file
    * @return the source object representing the added file
    */
   protected Source addSource(String filePath, String contents) {
     Source source = new FileBasedSource(createFile(filePath));
     context.setContents(source, contents);
     return source;
   }
 
+  @Override
+  protected void tearDown() throws Exception {
+    context = null;
+    super.tearDown();
+  }
+
   /**
    * Ensure that there are elements representing all of the types in the given array of type names.
    * 
    * @param unit the compilation unit containing the types
    * @param typeNames the names of the types that should be found
    */
   private void assertTypes(CompilationUnitElement unit, String... typeNames) {
     assertNotNull(unit);
     ClassElement[] types = unit.getTypes();
     assertLength(typeNames.length, types);
@@ skipping 32 matching lines @@
         new Class[] {Source.class});
     method.setAccessible(true);
     Library library = (Library) method.invoke(resolver, librarySource);
     LibraryElement element = builder.buildLibrary(library);
     GatheringErrorListener listener = new GatheringErrorListener();
     listener.addAll(resolver.getErrorListener());
     listener.assertErrorsWithCodes(expectedErrorCodes);
     return element;
   }
 }