79 lines
2.6 KiB
Java
79 lines
2.6 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 java.awt.Component;
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import java.awt.EventQueue;
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import java.awt.Frame;
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import java.awt.dnd.DropTarget;
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import java.awt.dnd.DropTargetAdapter;
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import java.awt.dnd.DropTargetDropEvent;
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import java.awt.dnd.DropTargetListener;
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/*
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@test
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@bug 4462285
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@summary tests that DropTarget.addNotify doesn't throw NPE if peer hierarchy
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is incomplete
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@key headful
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@run main DropTargetAddNotifyNPETest
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*/
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public class DropTargetAddNotifyNPETest {
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volatile Component component1;
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volatile Component component2;
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volatile Frame frame;
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volatile DropTargetListener dtListener;
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volatile DropTarget dropTarget1;
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volatile DropTarget dropTarget2;
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public static void main(String[] args) throws Exception {
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DropTargetAddNotifyNPETest test = new DropTargetAddNotifyNPETest();
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EventQueue.invokeAndWait(() -> {
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test.init();
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if (test.frame != null) {
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test.frame.dispose();
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}
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});
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}
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public void init() {
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component1 = new LWComponent();
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component2 = new LWComponent();
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frame = new Frame("DropTargetAddNotifyNPETest");
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dtListener = new DropTargetAdapter() {
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public void drop(DropTargetDropEvent dtde) {
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dtde.rejectDrop();
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}
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};
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dropTarget1 = new DropTarget(component1, dtListener);
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dropTarget2 = new DropTarget(component2, dtListener);
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frame.add(component2);
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component1.addNotify();
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component2.addNotify();
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}
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}
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class LWComponent extends Component {}
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