95 lines
3.4 KiB
Java
95 lines
3.4 KiB
Java
/*
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* Copyright (c) 1999, 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 4245382
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@summary Tests that Button.setLabel(null) does not cause NPE in Java code or VM crash
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@key headful
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*/
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import java.awt.Button;
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import java.awt.EventQueue;
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import java.awt.Frame;
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public class ButtonNullLabelTest {
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public static void main(String args[]) throws Exception {
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EventQueue.invokeAndWait(() -> runTest());
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}
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static void runTest() {
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// Native code test
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Frame frame = new Frame("Test null in native");
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Button button = new Button();
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try {
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button.setLabel(null);
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System.out.println("Set to null - test native");
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frame.add(button);
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frame.pack();
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frame.setLocationRelativeTo(null);
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frame.setVisible(true);
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System.out.println("Test null in native **successful**");
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} catch (NullPointerException npe) {
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System.out.println("Test failed - test native");
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throw new RuntimeException("Test failed - test native");
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} finally {
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frame.dispose();
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}
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// Peer code test
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frame = new Frame("Test null in peer before show");
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button = new Button();
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try {
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System.out.println("Set to null - test native before show");
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frame.add(button);
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frame.pack();
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button.setLabel(null);
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frame.setVisible(true);
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System.out.println("Set null in peer before show **successful**");
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} catch (NullPointerException npe) {
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System.out.println("Test failed - test peer before show");
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throw new RuntimeException("Test failed - test peer before show");
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} finally {
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frame.dispose();
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}
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// Peer code test
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frame = new Frame("Test null in peer after show");
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button = new Button();
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try {
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System.out.println("Set to null - test peer after show");
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frame.add(button);
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frame.pack();
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frame.setVisible(true);
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button.setLabel(null);
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System.out.println("Test null in peer after show **successful**");
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} catch (NullPointerException npe) {
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System.out.println("Test failed - peer after show");
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throw new RuntimeException("Test failed - peer after show");
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} finally {
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frame.dispose();
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}
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}
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}
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