Some clean ups for caching tests.

pkg/analysis_server/lib/src/index/page_node_manager.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 index.page_node_manager;
 
 import 'dart:collection';
 import 'dart:typed_data';
 
 import 'package:analysis_server/src/index/lru_cache.dart';
 
 import 'b_plus_tree.dart';
 
 
 /**
  * A [NodeManager] that caches a specified number of index and leaf nodes.
  */
 class CachingNodeManager<K, V, N> implements NodeManager<K, V, N> {
   final NodeManager<K, V, N> _delegate;
   LRUCache<N, IndexNodeData<K, N>> _indexCache;
   LRUCache<N, LeafNodeData<K, V>> _leafCache;
 
   CachingNodeManager(this._delegate, int indexNodeCacheSize,
       int leafNodeCacheSize) {
-    // TODO(scheglov) method pointers don't work with mocks
-//    _indexCache = new LRUCache<N, IndexNodeData<K, N>>(indexNodeCacheSize,
-//        _delegate.writeIndex);
-//    _leafCache = new LRUCache<N, LeafNodeData<K, V>>(leafNodeCacheSize,
-//        _delegate.writeLeaf);
     _indexCache = new LRUCache<N, IndexNodeData<K, N>>(indexNodeCacheSize,
-        (N key, IndexNodeData<K, N> value) {
-      _delegate.writeIndex(key, value);
-    });
-    _leafCache = new LRUCache<N, LeafNodeData<K, V>>(leafNodeCacheSize, (N key,
-        LeafNodeData<K, V> value) {
-      _delegate.writeLeaf(key, value);
-    });
+        _delegate.writeIndex);
+    _leafCache = new LRUCache<N, LeafNodeData<K, V>>(leafNodeCacheSize,
+        _delegate.writeLeaf);
   }
 
   @override
   int get maxIndexKeys => _delegate.maxIndexKeys;
 
   @override
   int get maxLeafKeys => _delegate.maxLeafKeys;
 
   @override
   N createIndex() {
@@ skipping 405 matching lines @@
   @override
   int decode(ByteData buffer) {
     return buffer.getUint32(0);
   }
 
   @override
   void encode(ByteData buffer, int element) {
     buffer.setUint32(0, element);
   }
 }