content: /*
   * Created on Oct 20, 2007
   *
   * 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.
   *
   * Copyright @2007-2013 the original author or authors.
   */
  package org.fest.swing.hierarchy;
  
  import static java.util.Collections.emptyList;
  import static org.fest.assertions.Assertions.assertThat;
  import static org.fest.swing.test.builder.JTextFields.textField;
  import static org.mockito.Mockito.mock;
  import static org.mockito.Mockito.when;
  
  import java.awt.Component;
  import java.util.Collection;
  
  import org.fest.swing.test.core.EDTSafeTestCase;
  import org.junit.Before;
  import org.junit.Test;
  
  /**
   * Tests for {@link ExistingHierarchy#childrenOf(Component)}.
   *
   * @author Alex Ruiz
   * @author Yvonne Wang
   */
  public class ExistingHierarchy_childrenOf_Test extends EDTSafeTestCase {
    private Component c;
    private Collection<Component> children;
    private ChildrenFinder childrenFinder;
    private ExistingHierarchy hierarchy;
  
    @Before
    public void setUp() {
      c = textField().createNew();
      childrenFinder = mock(ChildrenFinder.class);
      hierarchy = new ExistingHierarchy(new ParentFinder(), childrenFinder);
      children = emptyList();
    }
  
    @Test
    public void should_return_children_of_Component() {
      when(childrenFinder.childrenOf(c)).thenReturn(children);
      assertThat(hierarchy.childrenOf(c)).isSameAs(children);
    }
  }
  