Version 1.5.6

dart/editor/tools/plugins/com.google.dart.engine_test/src/com/google/dart/engine/internal/index/file/ContextCodecTest.java

+/*
+ * Copyright (c) 2014, the Dart project authors.
+ * 
+ * Licensed under the Eclipse Public License v1.0 (the "License"); you may not use this file except
+ * in compliance with the License. You may obtain a copy of the License at
+ * 
+ * http://www.eclipse.org/legal/epl-v10.html
+ * 
+ * Unless required by applicable law or agreed to in writing, software distributed under the License
+ * is distributed on an "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express
+ * or implied. See the License for the specific language governing permissions and limitations under
+ * the License.
+ */
+package com.google.dart.engine.internal.index.file;
+
+import com.google.dart.engine.context.AnalysisContext;
+
+import junit.framework.TestCase;
+
+import static org.mockito.Mockito.mock;
+
+public class ContextCodecTest extends TestCase {
+  private ContextCodec codec = new ContextCodec();
+
+  public void test_encode_decode() throws Exception {
+    AnalysisContext contextA = mock(AnalysisContext.class);
+    AnalysisContext contextB = mock(AnalysisContext.class);
+    int idA = codec.encode(contextA);
+    int idB = codec.encode(contextB);
+    assertEquals(idA, codec.encode(contextA));
+    assertEquals(idB, codec.encode(contextB));
+    assertSame(contextA, codec.decode(idA));
+    assertSame(contextB, codec.decode(idB));
+  }
+
+  public void test_remove() throws Exception {
+    // encode
+    {
+      AnalysisContext context = mock(AnalysisContext.class);
+      int id = codec.encode(context);
+      assertEquals(0, id);
+      assertSame(context, codec.decode(id));
+      // remove
+      codec.removeContext(context);
+      assertNull(codec.decode(id));
+    }
+    // encode again
+    {
+      AnalysisContext context = mock(AnalysisContext.class);
+      int id = codec.encode(context);
+      assertEquals(1, id);
+      assertSame(context, codec.decode(id));
+    }
+  }
+}