Implement AnalysisContext.ensureResolvedDartUnits().

pkg/analyzer/test/src/task/dart_work_manager_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_work_manager_test;
 
 import 'package:analyzer/src/context/cache.dart';
 import 'package:analyzer/src/generated/engine.dart'
     show CacheState, InternalAnalysisContext;
 import 'package:analyzer/src/generated/java_engine.dart' show CaughtException;
@@ skipping 172 matching lines @@
     expect_librarySourceQueue([source2]);
   }
 
   void test_getNextResult_hasLibraries_nothingToDo() {
     manager.librarySources.addAll([source1]);
     manager.partSources.addAll([source2]);
     TargetedResult request = manager.getNextResult();
     expect(request, isNull);
   }
 
+  void test_getNextResult_hasPriority_firstIsError() {
+    manager.addPriorityResult(source1, SOURCE_KIND);
+    manager.addPriorityResult(source2, SOURCE_KIND);
+    expect(manager.priorityResultQueue, unorderedEquals([
+      new TargetedResult(source1, SOURCE_KIND),
+      new TargetedResult(source2, SOURCE_KIND)
+    ]));
+    // configure state and get next result
+    entry1.setErrorState(caughtException, [SOURCE_KIND]);
+    TargetedResult request = manager.getNextResult();
+    expect(request.target, source2);
+    expect(request.result, SOURCE_KIND);
+    // source1 is out, source2 is waiting
+    expect(manager.priorityResultQueue,
+        unorderedEquals([new TargetedResult(source2, SOURCE_KIND)]));
+  }
+
+  void test_getNextResult_hasPriority_firstIsValid() {
+    manager.addPriorityResult(source1, SOURCE_KIND);
+    manager.addPriorityResult(source2, SOURCE_KIND);
+    expect(manager.priorityResultQueue, unorderedEquals([
+      new TargetedResult(source1, SOURCE_KIND),
+      new TargetedResult(source2, SOURCE_KIND)
+    ]));
+    // configure state and get next result
+    entry1.setValue(SOURCE_KIND, SourceKind.LIBRARY, []);
+    TargetedResult request = manager.getNextResult();
+    expect(request.target, source2);
+    expect(request.result, SOURCE_KIND);
+    // source1 is out, source2 is waiting
+    expect(manager.priorityResultQueue,
+        unorderedEquals([new TargetedResult(source2, SOURCE_KIND)]));
+  }
+
   void test_getNextResult_hasUnknown_firstIsError() {
     entry1.setErrorState(caughtException, [SOURCE_KIND]);
     manager.unknownSourceQueue.addAll([source1, source2]);
     TargetedResult request = manager.getNextResult();
     expect(request.target, source2);
     expect(request.result, SOURCE_KIND);
     // source1 is out, source2 is waiting
     expect_librarySourceQueue([]);
     expect_unknownSourceQueue([source2]);
   }
@@ skipping 84 matching lines @@
     CacheEntry entry = analysisCache.get(target);
     if (entry == null) {
       entry = new CacheEntry(target);
       analysisCache.put(entry);
     }
     return entry;
   }
 
   noSuchMethod(Invocation invocation) => super.noSuchMethod(invocation);
 }