--- /dev/null 2019-11-06 01:41:28.000000000 -0800 +++ new/test/jdk/java/awt/Component/Validate/NullFontValidate.java 2019-11-06 01:41:28.022031700 -0800 @@ -0,0 +1,45 @@ +/* + * 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(); + } + } +}