1 /*
   2  * Copyright (c) 2010, 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  * JDK-8010697: DeletedArrayFilter seems to leak memory
  26  *
  27  * @test
  28  * @run
  29  */
  30 
  31 var N = 1000;
  32 
  33 var array = new Array(N);
  34 var WeakReferenceArray = Java.type("java.lang.ref.WeakReference[]");
  35 var refArray = new WeakReferenceArray(N);
  36 
  37 for (var i = 0; i < N; i ++) {
  38     var object = new java.awt.Color(0,0,0);//lang.Object();
  39     array[i] = object;
  40     refArray[i] = new java.lang.ref.WeakReference(object);
  41 }
  42 
  43 object = null;
  44 
  45 for (var i = 0; i < N; i ++) {
  46     delete array[i];
  47 }
  48 
  49 java.lang.System.gc();
  50 java.lang.System.gc();
  51 java.lang.System.gc();
  52 
  53 for (var i = 0; i < N; i ++) {
  54     if (refArray[i].get() != null) {
  55         print("Reference found at " + i + " " + refArray + " " + refArray[i].get());
  56     }
  57 }
  58 
  59 print("All references gone");