content: package org.fest.swing.fixture;
  
  import static org.fest.assertions.Assertions.assertThat;
  import static org.fest.swing.edt.GuiActionRunner.execute;
  import static org.fest.util.Arrays.array;
  
  import java.awt.Component;
  
  import javax.swing.JComboBox;
  import javax.swing.JList;
  import javax.swing.plaf.basic.BasicComboBoxEditor;
  import javax.swing.plaf.basic.BasicComboBoxRenderer;
  
  import org.fest.swing.annotation.RunsInEDT;
  import org.fest.swing.edt.GuiQuery;
  import org.fest.swing.edt.GuiTask;
  import org.fest.swing.test.core.RobotBasedTestCase;
  import org.fest.swing.test.swing.TestWindow;
  import org.junit.Test;
  
  /**
   * Test case for bug <a href="http://jira.codehaus.org/browse/FEST-254" target="_blank">FEST-254</a>
   * 
   * @author Glen Schrader
   * @author Alex Ruiz
   */
  public class FEST254_JComboBoxFixtureIsNotUsingCellReaderForRequireSelection_Test extends RobotBasedTestCase {
    private JComboBox comboBox;
    private JComboBoxFixture fixture;
  
    @Override
    protected void onSetUp() {
      MyWindow window = MyWindow.createNew();
      comboBox = window.comboBox;
      fixture = new JComboBoxFixture(robot, comboBox);
      robot.showWindow(window);
    }
  
    @Test
    public void should_return_text_of_selected_item_in_editable_JComboBox() {
      selectIndex(comboBox, 0);
      robot.waitForIdle();
      assertThat(fixture.requireSelection("first"));
    }
  
    @RunsInEDT
    private static void selectIndex(final JComboBox comboBox, final int index) {
      execute(new GuiTask() {
        @Override
        protected void executeInEDT() {
          comboBox.setSelectedIndex(index);
        }
      });
    }
  
    private static class MyWindow extends TestWindow {
      private final JComboBox comboBox;
  
      @RunsInEDT
      static MyWindow createNew() {
        return execute(new GuiQuery<MyWindow>() {
          @Override
          protected MyWindow executeInEDT() {
            return new MyWindow();
          }
        });
      }
  
      private MyWindow() {
        super(FEST254_JComboBoxFixtureIsNotUsingCellReaderForRequireSelection_Test.class);
        comboBox = new JComboBox(array(TestValue.values()));
        comboBox.setEditable(true);
        comboBox.setEditor(new MyComboBoxEditor());
        comboBox.setRenderer(new MyComboBoxRenderer());
        comboBox.setSelectedIndex(-1);
        addComponents(comboBox);
      }
    }
  
    private static class MyComboBoxEditor extends BasicComboBoxEditor {
      @Override
      public void setItem(Object anObject) {
        super.setItem(renderIfValue(anObject));
      }
  
      @Override
      public Object getItem() {
        String text = editor.getText();
        try {
          return TestValue.valueOf(text.toUpperCase());
        } catch (IllegalArgumentException e) {
          return null;
        }
      }
    }
  
    private static class MyComboBoxRenderer extends BasicComboBoxRenderer {
      @Override
      public Component getListCellRendererComponent(JList list, Object value, int index, boolean isSelected,
          boolean cellHasFocus) {
        return super.getListCellRendererComponent(list, renderIfValue(value), index, isSelected, cellHasFocus);
      }
    }
  
    private static Object renderIfValue(Object o) {
      if (o instanceof TestValue) {
        return renderValue((TestValue) o);
      }
      return o;
    }
  
    private static String renderValue(TestValue v) {
      return v == null ? null : v.toString().toLowerCase();
    }
  
    private static enum TestValue {
      FIRST, SECOND, THIRD
    }
  }