test/jdk/java/awt/Component/Validate/NullFontValidate.java - master - githubmirror/jdk11u

test/jdk/java/awt/Component/Validate/NullFontValidate.java

45 строк1 KB

Sergey Bylokhov

8233657: Intermittent NPE in Component.validate()

08 ноя 2019, 08:24

08 ноя 2019, 08:2443b76b2

/*
 * Copyright (c) 2019, Oracle and/or its affiliates. All rights reserved.
 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
 *
 * This code is free software; you can redistribute it and/or modify it
 * under the terms of the GNU General Public License version 2 only, as
 * published by the Free Software Foundation.
 *
 * This code is distributed in the hope that it will be useful, but WITHOUT
 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
 * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
 * version 2 for more details (a copy is included in the LICENSE file that
 * accompanied this code).
 *
 * You should have received a copy of the GNU General Public License version
 * 2 along with this work; if not, write to the Free Software Foundation,
 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
 *
 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
 * or visit www.oracle.com if you need additional information or have any
 * questions.
 */

import java.awt.Frame;

/**
 * @test
 * @bug 8233657
 * @key headful
 * @summary tests that no NPE is thrown when calling Component.validate()
 *          with null font
 */
public final class NullFontValidate {

    public static void main(final String[] args) {
        final Frame frame = new Frame();
        try {
            frame.pack();
            frame.setFont(null);
            frame.validate();
        } finally {
            frame.dispose();
        }
    }
}