1 /* 2 * Copyright (c) 2013, 2016, Oracle and/or its affiliates. All rights reserved. 3 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. 4 * 5 * This code is free software; you can redistribute it and/or modify it 6 * under the terms of the GNU General Public License version 2 only, as 7 * published by the Free Software Foundation. 8 * 9 * This code is distributed in the hope that it will be useful, but WITHOUT 10 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or 11 * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License 12 * version 2 for more details (a copy is included in the LICENSE file that 13 * accompanied this code). 14 * 15 * You should have received a copy of the GNU General Public License version 16 * 2 along with this work; if not, write to the Free Software Foundation, 17 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. 18 * 19 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA 20 * or visit www.oracle.com if you need additional information or have any 21 * questions. 22 */ 23 24 /* 25 * @test 26 * @bug 8013563 8028486 27 * @summary Tests that windows are removed from windows list 28 * @library /javax/swing/regtesthelpers 29 * @modules java.desktop/sun.awt 30 * java.desktop/sun.java2d 31 * @build Util 32 * @run main/othervm -Xms32M -Xmx32M WindowsLeak 33 */ 34 35 import java.awt.Frame; 36 import java.awt.Robot; 37 import java.awt.Window; 38 import java.lang.ref.WeakReference; 39 import java.util.Vector; 40 41 import sun.awt.AppContext; 42 import sun.java2d.Disposer; 43 44 public class WindowsLeak { 45 46 private static volatile boolean disposerPhantomComplete; 47 48 public static void main(String[] args) throws Exception { 49 Robot r = new Robot(); 50 for (int i = 0; i < 100; i++) { 51 Frame f = new Frame(); 52 f.pack(); 53 f.dispose(); 54 } 55 r.waitForIdle(); 56 57 Disposer.addRecord(new Object(), () -> disposerPhantomComplete = true); 58 59 while (!disposerPhantomComplete) { 60 Util.generateOOME(); 61 } 62 63 Vector<WeakReference<Window>> windowList = 64 (Vector<WeakReference<Window>>) AppContext.getAppContext().get(Window.class); 65 66 if (windowList != null && !windowList.isEmpty()) { 67 throw new RuntimeException("Test FAILED: Window list is not empty: " + windowList.size()); 68 } 69 70 System.out.println("Test PASSED"); 71 } 72 }