Version 1.5.6

dart/editor/tools/plugins/com.google.dart.engine_test/src/com/google/dart/engine/internal/index/file/ElementCodecTest.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 com.google.dart.engine.element.Element;
+import com.google.dart.engine.element.ElementLocation;
+import com.google.dart.engine.internal.element.ElementLocationImpl;
+
+import junit.framework.TestCase;
+
+import static org.fest.assertions.Assertions.assertThat;
+import static org.fest.assertions.MapAssert.entry;
+import static org.mockito.Mockito.mock;
+import static org.mockito.Mockito.when;
+
+public class ElementCodecTest extends TestCase {
+  private AnalysisContext context = mock(AnalysisContext.class);
+  private StringCodec stringCodec = new StringCodec();
+  private ElementCodec codec = new ElementCodec(stringCodec);
+
+  public void test_localLocalVariable() throws Exception {
+    {
+      Element element = mock(Element.class);
+      ElementLocation location = new ElementLocationImpl(new String[] {"main", "foo@1", "bar@2"});
+      when(context.getElement(location)).thenReturn(element);
+      when(element.getLocation()).thenReturn(location);
+      int id = codec.encode(element);
+      assertEquals(element, codec.decode(context, id));
+    }
+    {
+      Element element = mock(Element.class);
+      ElementLocation location = new ElementLocationImpl(new String[] {"main", "foo@10", "bar@20"});
+      when(context.getElement(location)).thenReturn(element);
+      when(element.getLocation()).thenReturn(location);
+      int id = codec.encode(element);
+      assertEquals(element, codec.decode(context, id));
+    }
+    // check strings, "foo" as a single string, no "foo@1" or "foo@10"
+    assertThat(stringCodec.getNameToIndex()).hasSize(3).includes(
+        entry("main", 0),
+        entry("foo", 1),
+        entry("bar", 2));
+  }
+
+  public void test_localVariable() throws Exception {
+    {
+      Element element = mock(Element.class);
+      ElementLocation location = new ElementLocationImpl(new String[] {"main", "foo@42"});
+      when(context.getElement(location)).thenReturn(element);
+      when(element.getLocation()).thenReturn(location);
+      int id = codec.encode(element);
+      assertEquals(element, codec.decode(context, id));
+    }
+    {
+      Element element = mock(Element.class);
+      ElementLocation location = new ElementLocationImpl(new String[] {"main", "foo@4200"});
+      when(context.getElement(location)).thenReturn(element);
+      when(element.getLocation()).thenReturn(location);
+      int id = codec.encode(element);
+      assertEquals(element, codec.decode(context, id));
+    }
+    // check strings, "foo" as a single string, no "foo@42" or "foo@4200"
+    assertThat(stringCodec.getNameToIndex()).hasSize(2).includes(entry("main", 0), entry("foo", 1));
+  }
+
+  public void test_notLocal() throws Exception {
+    Element element = mock(Element.class);
+    ElementLocation location = new ElementLocationImpl(new String[] {"foo", "bar"});
+    when(element.getLocation()).thenReturn(location);
+    when(context.getElement(location)).thenReturn(element);
+    int id = codec.encode(element);
+    assertEquals(element, codec.decode(context, id));
+    // check strings
+    assertThat(stringCodec.getNameToIndex()).hasSize(2).includes(entry("foo", 0), entry("bar", 1));
+  }
+}