/* * Copyright (c) 2014, 2018, 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. */ /* test @bug 4051487 4145670 8062021 @summary Tests that disposing of an empty Frame or a Frame with a MenuBar while it is being created does not crash the VM. @author dpm area=Threads @run applet/timeout=7200 DisposeStressTest.html */ // Note there is no @ in front of test above. This is so that the // harness will not mistake this file as a test file. It should // only see the html file as a test file. (the harness runs all // valid test files, so it would run this test twice if this file // were valid as well as the html file.) // Also, note the area= after Your Name in the author tag. Here, you // should put which functional area the test falls in. See the // AWT-core home page -> test areas and/or -> AWT team for a list of // areas. // Note also the 'DisposeStressTest.html' in the run tag. This should // be changed to the name of the test. /** * DisposeStressTest.java * * summary: */ import java.applet.Applet; import java.awt.*; //Automated tests should run as applet tests if possible because they // get their environments cleaned up, including AWT threads, any // test created threads, and any system resources used by the test // such as file descriptors. (This is normally not a problem as // main tests usually run in a separate VM, however on some platforms // such as the Mac, separate VMs are not possible and non-applet // tests will cause problems). Also, you don't have to worry about // synchronisation stuff in Applet tests they way you do in main // tests... public class DisposeStressTest extends Applet { //Declare things used in the test, like buttons and labels here public void init() { //Create instructions for the user here, as well as set up // the environment -- set the layout manager, add buttons, // etc. this.setLayout (new BorderLayout ()); }//End init() public void start () { for (int i = 0; i < 1000; i++) { Frame f = new Frame(); f.setBounds(10, 10, 10, 10); f.show(); f.dispose(); Frame f2 = new Frame(); f2.setBounds(10, 10, 100, 100); MenuBar bar = new MenuBar(); Menu menu = new Menu(); menu.add(new MenuItem("foo")); bar.add(menu); f2.setMenuBar(bar); f2.show(); f2.dispose(); } }// start() }// class DisposeStressTest