55 lines
1.9 KiB
Java
55 lines
1.9 KiB
Java
/*
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* Copyright (c) 1998, 2024, 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 4177156
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* @key headful
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* @summary Tests that multiple level of window ownership doesn't cause
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* NullPointerException when showing a Window
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* @run main OwnedWindowShowTest
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*/
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import java.awt.EventQueue;
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import java.awt.Frame;
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import java.awt.Window;
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public class OwnedWindowShowTest {
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public static void main(String[] args) throws Exception {
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EventQueue.invokeAndWait(OwnedWindowShowTest::runTest);
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}
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static void runTest() {
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Frame parent = new Frame("OwnedWindowShowTest");
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try {
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Window owner = new Window(parent);
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Window window = new Window(owner);
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// Showing a window with multiple levels of ownership
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// should not throw NullPointerException
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window.setVisible(true);
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} finally {
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parent.dispose();
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}
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}
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}
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