1 /* 2 * Copyright (c) 2013, 2015, 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 27 * @summary Tests that windows are removed from windows list 28 * @modules java.desktop/sun.awt 29 * @run main/othervm -Xms32M -Xmx32M WindowsLeak 30 */ 31 32 import java.awt.*; 33 import sun.awt.AppContext; 34 35 import java.lang.ref.WeakReference; 36 37 import java.util.Vector; 38 39 public class WindowsLeak { 40 41 public static void main(String[] args) { 42 for (int i = 0; i < 100; i++) 43 { 44 Frame f = new Frame(); 45 f.pack(); 46 f.dispose(); 47 } 48 49 Vector garbage = new Vector(); 50 while (true) 51 { 52 try 53 { 54 garbage.add(new byte[1000]); 55 } 56 catch (OutOfMemoryError e) 57 { 58 break; 59 } 60 } 61 garbage = null; 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 }