58 lines
1.9 KiB
Java
58 lines
1.9 KiB
Java
/*
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* Copyright (c) 2001, 2023, 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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import javax.swing.JCheckBox;
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import java.awt.event.ItemEvent;
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import java.awt.event.ItemListener;
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/*
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* @test
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* @bug 4277049
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* @summary Tests that ToggleButtonModel doesn't fire extra ChangeEvents
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*/
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public class bug4277049 implements ItemListener {
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public static void main(String[] args) throws Exception {
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JCheckBox box = new JCheckBox();
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box.setSelected(false);
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box.addItemListener(e -> fail());
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box.setSelected(false);
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if (failed()) {
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throw new RuntimeException("Failed: extra ChangeEvent was fired");
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}
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}
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private static boolean failed_flag = false;
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synchronized static void fail() {
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failed_flag = true;
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}
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synchronized static boolean failed() { return failed_flag; }
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@Override
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public void itemStateChanged(ItemEvent e) {
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}
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}
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