State-carrying context API.

pkg/analyzer/test/src/context/context_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 test.src.context.context_test;
 
 import 'dart:async';
 
 import 'package:analyzer/file_system/memory_file_system.dart';
 import 'package:analyzer/src/cancelable_future.dart';
@@ skipping 631 matching lines @@
       completed = true;
     });
     return pumpEventQueue().then((_) {
       expect(completed, isFalse);
       _performPendingAnalysisTasks();
     }).then((_) => pumpEventQueue()).then((_) {
       expect(completed, isTrue);
     });
   }
 
+  void test_configurationData() {
+    var key = new ResultDescriptor('test_key', '');
+    var testData = ['test', 'data'];
+    context.setConfigurationData(key, testData);
+    expect(context.getConfigurationData(key), testData);
+    var unusedKey = new ResultDescriptor('unused_key', '');
+    expect(context.getConfigurationData(unusedKey), null);
+  }
+
   void test_dispose() {
     expect(context.isDisposed, isFalse);
     context.dispose();
     expect(context.isDisposed, isTrue);
   }
 
   void test_ensureResolvedDartUnits_definingUnit_hasResolved() {
     Source source = addSource('/test.dart', '');
     LibrarySpecificUnit libTarget = new LibrarySpecificUnit(source, source);
     analysisDriver.computeResult(libTarget, RESOLVED_UNIT);
@@ skipping 1890 matching lines @@
   }
 }
 
 class _AnalysisContextImplTest_test_applyChanges_removeContainer
     implements SourceContainer {
   Source libB;
   _AnalysisContextImplTest_test_applyChanges_removeContainer(this.libB);
   @override
   bool contains(Source source) => source == libB;
 }