1 /* 2 * Copyright (c) 2013, 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 * @run main/othervm -Xms32M -Xmx32M WindowsLeak 29 */ 30 31 import java.awt.*; 32 import sun.awt.AppContext; 33 34 import java.lang.ref.WeakReference; 35 36 import java.util.Vector; 37 38 public class WindowsLeak { 39 40 public static void main(String[] args) { 41 for (int i = 0; i < 100; i++) 42 { 43 Frame f = new Frame(); 44 f.pack(); 45 f.dispose(); 46 } 47 48 Vector garbage = new Vector(); 49 while (true) 50 { 51 try 52 { 53 garbage.add(new byte[1000]); 54 } 55 catch (OutOfMemoryError e) 56 { 57 break; 58 } 59 } 60 garbage = null; 61 62 Vector<WeakReference<Window>> windowList = 63 (Vector<WeakReference<Window>>) AppContext.getAppContext().get(Window.class); 64 65 if (windowList != null && !windowList.isEmpty()) { 66 throw new RuntimeException("Test FAILED: Window list is not empty: " + windowList.size()); 67 } 68 69 System.out.println("Test PASSED"); 70 } 71 }