Improve cache entry tests

pkg/analyzer/lib/src/generated/engine.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.
 
 // This code was auto-generated, is not intended to be edited, and is subject to
 // significant change. Please see the README file for more information.
 
 library engine;
 
 import 'dart:collection';
@@ skipping 8501 matching lines @@
         || descriptor == SOURCE_KIND
         || descriptor == TOKEN_STREAM
         || super._isValidDescriptor(descriptor);
   }
 
   /**
    * Return `true` if the [descriptor] is valid for this entry when the data is
    * relative to a library.
    */
   bool _isValidLibraryDescriptor(DataDescriptor descriptor) {
-    return descriptor == BUILT_ELEMENT
+    return descriptor == ANGULAR_ERRORS
+        || descriptor == BUILT_ELEMENT
         || descriptor == BUILT_UNIT
         || descriptor == HINTS
         || descriptor == RESOLUTION_ERRORS
         || descriptor == RESOLVED_UNIT
         || descriptor == VERIFICATION_ERRORS;
   }
 
   /**
    * Given that the specified flag is being transitioned to the given state, set the value of the
    * flag to the value that should be kept in the cache.
@@ skipping 3448 matching lines @@
   }
 
   /**
    * Record that an exception occurred while attempting to resolve the source
    * associated with this state.
    */
   void recordResolutionError() {
     setState(DartEntry.RESOLVED_UNIT, CacheState.ERROR);
     setState(DartEntry.RESOLUTION_ERRORS, CacheState.ERROR);
     recordVerificationError();
+    setState(DartEntry.ANGULAR_ERRORS, CacheState.ERROR);
   }
 
   /**
    * Record that an exception occurred while attempting to scan or parse the
    * source associated with this entry. This will set the state of all
    * resolution-based information as being in error.
    */
   void recordResolutionErrorsInAllLibraries() {
     recordBuildElementError();
     if (_nextState != null) {
@@ skipping 1471 matching lines @@
     _index++;
     if (_index >= _manager._workQueues[_queueIndex].length) {
       _index = 0;
       _queueIndex++;
       while (_queueIndex < _manager._workQueues.length && _manager._workQueues[_queueIndex].isEmpty) {
         _queueIndex++;
       }
     }
   }
 }