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.
56 lines
1.9 KiB
Java
56 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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/*
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@test
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@bug 4420658
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@summary No ClassCastException should be thrown when getComponent()
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is called on an event with a non-Component source.
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The result should be null.
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@run main ObjectSourceTest
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*/
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import java.awt.Component;
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import java.awt.Panel;
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import java.awt.event.HierarchyEvent;
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import java.lang.reflect.InvocationTargetException;
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public class ObjectSourceTest {
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static Panel panel;
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public static void main(String args[]) throws InterruptedException,
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InvocationTargetException {
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panel = new Panel();
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HierarchyEvent he = new HierarchyEvent(panel, HierarchyEvent.ANCESTOR_MOVED,
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panel, panel);
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Object obj = new Object();
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he.setSource(obj);
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Component comp = he.getComponent();
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if (comp != null) {
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throw new RuntimeException("ObjectSourceTest failed. comp != null");
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}
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}
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}
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