test/jdk/javax/swing/JComboBox/8182031/ComboPopupTest.java

rev 47956 : 8191678: [TESTBUG] Add keyword headful in java/awt and javax tests.
Summary: Also fix some NPE thrown if run headless.

*** 18,33 ****
   *
   * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
   * or visit www.oracle.com if you need additional information or have any
   * questions.
   */
! /*
   * @test
   * @bug 8182031
   * @summary  Verifies if ComboBox Popup opens and closes immediately
   * @run main ComboPopupTest
   */
  import java.awt.Container;
  import java.awt.Dimension;
  import java.awt.FlowLayout;
  import java.awt.Point;
  import java.awt.Robot;
--- 18,36 ----
   *
   * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
   * or visit www.oracle.com if you need additional information or have any
   * questions.
   */
! 
! /**
   * @test
   * @bug 8182031
   * @summary  Verifies if ComboBox Popup opens and closes immediately
+  * @key headful
   * @run main ComboPopupTest
   */
+ 
  import java.awt.Container;
  import java.awt.Dimension;
  import java.awt.FlowLayout;
  import java.awt.Point;
  import java.awt.Robot;
*** 78,88 ****
              System.out.println("popmenu visible " + comboBox.isPopupVisible());
              if (!comboBox.isPopupVisible()) {
                  throw new RuntimeException("combobox popup is not visible");
              }
          } finally {
!             SwingUtilities.invokeAndWait(()->frame.dispose());
          }
      }
  
      public void start() {
          frame = new JFrame();
--- 81,91 ----
              System.out.println("popmenu visible " + comboBox.isPopupVisible());
              if (!comboBox.isPopupVisible()) {
                  throw new RuntimeException("combobox popup is not visible");
              }
          } finally {
!             if (frame != null) { SwingUtilities.invokeAndWait(()->frame.dispose()); }
          }
      }
  
      public void start() {
          frame = new JFrame();