New test for Component.requestFocus

[Anthony Balkissoon <abalkiss at redhat dot com>]

Component.requestFocus is throwing a NPE when it shouldn't be.  This
test is checked in and I'm committing a fix to classpath.

2005-10-28  Anthony Balkissoon  <abalkiss@redhat.com>

	* gnu/testlet/java/awt/Component/requestFocus.java: New test.

--Tony

// Tags: GUI JDK1.1

// Copyright (C) 2005 Red Hat

// Mauve is free software; you can redistribute it and/or modify
// it under the terms of the GNU General Public License as published by
// the Free Software Foundation; either version 2, or (at your option)
// any later version.

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// but WITHOUT ANY WARRANTY; without even the implied warranty of
// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
// GNU General Public License for more details.

// You should have received a copy of the GNU General Public License
// along with Mauve; see the file COPYING.  If not, write to
// the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor, 
// Boston, MA 02110-1301 USA.

package gnu.testlet.java.awt.Component;

import gnu.testlet.TestHarness;
import gnu.testlet.Testlet;

import javax.swing.JFrame;

public class requestFocus implements Testlet {

  /**
   * Runs the test using the specified harness.
   * 
   * @param harness  the test harness (<code>null</code> not permitted).
   */
  public void test(TestHarness harness)      
  {
    JFrame jf = new JFrame();
    jf.show();
    try
      {
        jf.requestFocus();
      }
    catch (NullPointerException npe)
      {
        harness.fail("Call to requestFocus generated a NPE");
      }
  }
}