ImplicitBindingTest.java

/*
 * Copyright 2009 Google Inc.
 *
 * Licensed under the Apache License, Version 2.0 (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.apache.org/licenses/LICENSE-2.0
 *
 * 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.gwt.inject.client.implicit;

import com.google.gwt.core.client.GWT;
import com.google.gwt.junit.client.GWTTestCase;

public class ImplicitBindingTest extends GWTTestCase {

  public void testImplementedBy() {
    ImplicitGinjector injector = GWT.create(ImplicitGinjector.class);
    
    Foo foo = injector.getFoo();
    assertTrue(foo instanceof FooImpl);
    assertSame(foo, injector.getFooImpl());
  }

  public void testProvidedBy() {
    ImplicitGinjector injector = GWT.create(ImplicitGinjector.class);
    
    Bar bar = injector.getBar();
    assertTrue(bar instanceof BarProvider.BarImpl);
    assertSame(BarProvider.INSTANCE, bar);
  }
  
  public void testOptional() {
    ImplicitGinjector injector = GWT.create(ImplicitGinjector.class);
    
    OptionalMembers optionalMembers = injector.getOptionalMembers();
    assertNull(optionalMembers.unavailableBaz);
    assertNull(optionalMembers.unavailableQuux);
    assertNull(optionalMembers.unavailableBazProvider);
    assertNull(optionalMembers.unavailableQuuxProvider);
  }

  @Override
  public String getModuleName() {
    return "com.google.gwt.inject.InjectTest";
  }
}