content: /*
   * Created on Jul 23, 2010
   * 
   * 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 @2010-2013 the original author or authors.
   */
  package org.fest.swing.fixture;
  
  import static org.fest.swing.edt.GuiActionRunner.execute;
  import static org.fest.swing.test.swing.TreeNodeFactory.node;
  
  import java.awt.Component;
  import java.awt.Dimension;
  
  import javax.swing.JScrollPane;
  import javax.swing.JTree;
  import javax.swing.tree.DefaultTreeModel;
  import javax.swing.tree.MutableTreeNode;
  import javax.swing.tree.TreeModel;
  
  import org.fest.swing.annotation.RunsInEDT;
  import org.fest.swing.edt.GuiQuery;
  import org.fest.swing.test.core.RobotBasedTestCase;
  import org.fest.swing.test.swing.TestTree;
  import org.fest.swing.test.swing.TestWindow;
  import org.junit.Test;
  
  /**
   * Test case for bug <a href="http://jira.codehaus.org/browse/FEST-277" target="_blank">FEST-277</a>.
   * 
   * @author Yvonne Wang
   * @author Alex Ruiz
   */
  public class FEST227_expandJTreePathMayCauseNPE_Test extends RobotBasedTestCase {
    private MyWindow window;
    private FrameFixture frameFixture;
  
    @Override
    protected void onSetUp() {
      window = MyWindow.createNew();
      frameFixture = new FrameFixture(robot, window);
      frameFixture.show();
    }
  
    @Test
    public void should_expanding_nodes_should_not_cause_NPE() {
      frameFixture.tree().expandPath("root");
      frameFixture.tree().expandPath("root/a");
      frameFixture.tree().expandPath("root/a/b");
      frameFixture.tree().expandPath("root/a/b/c");
    }
  
    private static class MyWindow extends TestWindow {
      @RunsInEDT
      static MyWindow createNew() {
        return execute(new GuiQuery<MyWindow>() {
          @Override
          protected MyWindow executeInEDT() {
            return new MyWindow();
          }
        });
      }
  
      final TestTree tree = new TestTree(nodes());
  
      private static TreeModel nodes() {
        MutableTreeNode root = node("root", node("a", node("b", node("c"))));
        return new DefaultTreeModel(root);
      }
  
      private MyWindow() {
        super(FEST227_expandJTreePathMayCauseNPE_Test.class);
        add(decorate(tree));
        tree.collapseRow(0);
        setPreferredSize(new Dimension(600, 400));
      }
  
      private static Component decorate(JTree tree) {
        JScrollPane scrollPane = new JScrollPane(tree);
        scrollPane.setPreferredSize(new Dimension(200, 100));
        return scrollPane;
      }
    }
  }
  