Version 1.5.6

dart/editor/tools/plugins/com.google.dart.engine_test/src/com/google/dart/engine/internal/index/file/LocationDataTest.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.index.Location;
+
+import junit.framework.TestCase;
+
+import static org.mockito.Mockito.mock;
+import static org.mockito.Mockito.when;
+
+public class LocationDataTest extends TestCase {
+  private AnalysisContext context = mock(AnalysisContext.class);
+  private ElementCodec elementCodec = mock(ElementCodec.class);
+
+  public void test_newFromData() throws Exception {
+    Element element = mock(Element.class);
+    when(elementCodec.decode(context, 0)).thenReturn(element);
+    LocationData locationData = new LocationData(0, 1, 2);
+    Location location = locationData.getLocation(context, elementCodec);
+    assertEquals(element, location.getElement());
+    assertEquals(1, location.getOffset());
+    assertEquals(2, location.getLength());
+  }
+
+  public void test_newFromObjects() throws Exception {
+    // prepare Element
+    Element element = mock(Element.class);
+    when(elementCodec.encode(element)).thenReturn(42);
+    when(elementCodec.decode(context, 42)).thenReturn(element);
+    // create
+    Location location = new Location(element, 1, 2);
+    LocationData locationData = new LocationData(elementCodec, location);
+    // touch hashCode()
+    locationData.hashCode();
+    // equals()
+    assertFalse(locationData.equals(null));
+    assertTrue(locationData.equals(locationData));
+    // getLocation()
+    {
+      Location newLocation = locationData.getLocation(context, elementCodec);
+      assertEquals(element, newLocation.getElement());
+      assertEquals(1, newLocation.getOffset());
+      assertEquals(2, newLocation.getLength());
+    }
+    // no Element - no Location
+    {
+      when(elementCodec.decode(context, 42)).thenReturn(null);
+      Location newLocation = locationData.getLocation(context, elementCodec);
+      assertNull(newLocation);
+    }
+  }
+}