russell@unturf.com
0a580b313d
Authors: russell@unturf.com · brackishbert@gmail.com · foxhop.net · TimeHexOn.com Patches, unit tests, benchmarks, whitepaper, and outreach briefs. Public domain — no copyright claimed. Use freely.
76 lines
2.6 KiB
Java
76 lines
2.6 KiB
Java
/*
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* Copyright (c) 2000, 2025, Oracle and/or its affiliates. All rights reserved.
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* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
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*
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* This code is free software; you can redistribute it and/or modify it
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* under the terms of the GNU General Public License version 2 only, as
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* published by the Free Software Foundation.
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*
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* This code is distributed in the hope that it will be useful, but WITHOUT
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* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
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* FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
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* version 2 for more details (a copy is included in the LICENSE file that
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* accompanied this code).
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*
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* You should have received a copy of the GNU General Public License version
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* 2 along with this work; if not, write to the Free Software Foundation,
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* Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
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*
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* Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
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* or visit www.oracle.com if you need additional information or have any
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* questions.
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*/
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/*
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* @test
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* @bug 4251781
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* @summary Tests that JWindow repaint is optimized (background is not
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cleared).
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* @library /java/awt/regtesthelpers
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* @build PassFailJFrame
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* @run main/manual bug4251781
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*/
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import java.awt.Color;
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import java.awt.Container;
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import javax.swing.JButton;
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import javax.swing.JMenuItem;
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import javax.swing.JPopupMenu;
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import javax.swing.JWindow;
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public class bug4251781 {
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private static final String INSTRUCTIONS = """
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Press the button at the bottom-right corner of the gray
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window with the mouse.
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If the window DOES NOT flicker when you press and/or release
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the mouse button press PASS else FAIL.
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""";
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public static void main(String[] args) throws Exception {
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PassFailJFrame.builder()
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.instructions(INSTRUCTIONS)
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.columns(40)
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.testUI(bug4251781::createAndShowUI)
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.build()
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.awaitAndCheck();
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}
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private static JWindow createAndShowUI() {
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JWindow w = new JWindow();
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final Container pane = w.getContentPane();
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pane.setLayout(null);
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pane.setBackground(Color.GRAY.darker());
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final JPopupMenu popup = new JPopupMenu();
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popup.add(new JMenuItem("item 1"));
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popup.add(new JMenuItem("exit"));
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JButton b = new JButton("menu");
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b.setBounds(350, 250, 50, 50);
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b.addActionListener(ev -> popup.show(pane, 0, 0));
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pane.add(b);
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w.setSize(400, 300);
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return w;
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}
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}
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