72 lines
2.5 KiB
Java
72 lines
2.5 KiB
Java
/*
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* Copyright (c) 2018, 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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/* @test
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@bug 6828982
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@summary Verifies UIDefaults.getUI retains original exception
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@run main TestUIDefaultsErrorHandling
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*/
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import java.io.ByteArrayOutputStream;
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import java.io.PrintStream;
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import javax.swing.JComponent;
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import javax.swing.JLabel;
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import javax.swing.UIDefaults;
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import javax.swing.UIManager;
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import javax.swing.plaf.ComponentUI;
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import javax.swing.plaf.basic.BasicLabelUI;
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public class TestUIDefaultsErrorHandling {
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private final static String erroutput = "oops, complex problem with diagnostics";
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public static void main(String[] args) {
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final PrintStream err = System.err;
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ByteArrayOutputStream bytes = new ByteArrayOutputStream();
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System.setErr(new PrintStream(bytes));
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try {
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UIDefaults defaults = UIManager.getDefaults();
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defaults.put("BrokenUI", BrokenUI.class.getName());
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defaults.getUI(new JLabel() {
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public @Override String getUIClassID() {
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return "BrokenUI";
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}
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});
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if (!(bytes.toString().contains(erroutput))) {
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throw new RuntimeException("UIDefauls swallows exception trace");
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}
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} finally {
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System.setErr(err);
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}
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}
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public static class BrokenUI extends BasicLabelUI {
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public static ComponentUI createUI(JComponent target) {
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return new BrokenUI();
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}
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private BrokenUI() {
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throw new RuntimeException(erroutput);
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}
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}
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}
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