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6463708: DefaultButtonModel.setMnemonic generates ChangeEvent for no …
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test/jdk/javax/swing/DefaultButtonModel/TestMnemonicEvent.java
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/* | ||
* Copyright (c) 2022, Oracle and/or its affiliates. All rights reserved. | ||
* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. | ||
* | ||
* This code is free software; you can redistribute it and/or modify it | ||
* under the terms of the GNU General Public License version 2 only, as | ||
* published by the Free Software Foundation. | ||
* | ||
* This code is distributed in the hope that it will be useful, but WITHOUT | ||
* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or | ||
* FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License | ||
* version 2 for more details (a copy is included in the LICENSE file that | ||
* accompanied this code). | ||
* | ||
* You should have received a copy of the GNU General Public License version | ||
* 2 along with this work; if not, write to the Free Software Foundation, | ||
* Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. | ||
* | ||
* 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. | ||
*/ | ||
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/* | ||
* @test | ||
* @bug 6463708 | ||
* @summary Verifies if DefaultButtonModel.setMnemonic | ||
* generates ChangeEvent for no change | ||
* @run main TestMnemonicEvent | ||
*/ | ||
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import javax.swing.DefaultButtonModel; | ||
import javax.swing.event.ChangeEvent; | ||
import javax.swing.event.ChangeListener; | ||
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public class TestMnemonicEvent implements ChangeListener { | ||
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private static ChangeEvent lastEvent; | ||
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public void stateChanged(ChangeEvent e) { | ||
lastEvent = e; | ||
} | ||
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public static void main(String[] args) { | ||
TestMnemonicEvent test = new TestMnemonicEvent(); | ||
DefaultButtonModel m = new DefaultButtonModel(); | ||
m.addChangeListener(test); | ||
m.setMnemonic(70); | ||
System.out.println("Event triggered: " + (lastEvent != null)); | ||
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// clear the recorded event, set the same mnemonic then check if another | ||
// event is triggered... | ||
lastEvent = null; | ||
m.setMnemonic(70); | ||
System.out.println("Event triggered: " + (lastEvent != null)); | ||
if (lastEvent != null) { | ||
throw new RuntimeException("ChangeEvent triggered for same mnemonic"); | ||
} | ||
} | ||
} |
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