Clean source maps during partition dispose.

pkg/analyzer/test/src/context/cache_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.driver_test;
 
 import 'package:analyzer/src/context/cache.dart';
 import 'package:analyzer/src/generated/engine.dart'
     show
         AnalysisContext,
@@ skipping 943 matching lines @@
   }
 }
 
 abstract class CachePartitionTest extends EngineTestCase {
   CachePartition createPartition();
 
   void test_creation() {
     expect(createPartition(), isNotNull);
   }
 
+  void test_dispose() {
+    CachePartition partition = createPartition();
+    Source source1 = new TestSource('/1.dart');
+    Source source2 = new TestSource('/2.dart');
+    CacheEntry entry1 = new CacheEntry(source1);
+    CacheEntry entry2 = new CacheEntry(source2);
+    // add two sources
+    partition.put(entry1);
+    partition.put(entry2);
+    expect(partition.sources, unorderedEquals([source1, source2]));
+    expect(partition.pathToSource, hasLength(2));
+    // dispose, no sources
+    partition.dispose();
+    expect(partition.sources, isEmpty);
+    expect(partition.pathToSource, isEmpty);

[Brian Wilkerson, 2015/12/01 14:50:17]

expect(partition.entryMap, isEmpty); ?

+  }
+
   void test_entrySet() {
     CachePartition partition = createPartition();
     AnalysisTarget target = new TestSource();
     CacheEntry entry = new CacheEntry(target);
     partition.put(entry);
-    Map<AnalysisTarget, CacheEntry> entryMap = partition.map;
+    Map<AnalysisTarget, CacheEntry> entryMap = partition.entryMap;
     expect(entryMap, hasLength(1));
     AnalysisTarget entryKey = entryMap.keys.first;
     expect(entryKey, target);
     expect(entryMap[entryKey], entry);
   }
 
   void test_get() {
     CachePartition partition = createPartition();
     AnalysisTarget target = new TestSource();
     expect(partition.get(target), isNull);
@@ skipping 142 matching lines @@
       return DeltaResult.KEEP_CONTINUE;
     }
     return DeltaResult.INVALIDATE;
   }
 }
 
 class _TestAnalysisTarget implements AnalysisTarget {
   @override
   Source get source => null;
 }