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/*
* Copyright (c) 1997, 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 4091185
* @summary Repeatedly OR BitSets; No OutOfMemoryException should result
*/
import java.util.*;
/**
* This is a simple test class that repeatedly ORs two
* BitSets of unequal size together. Previously this
* caused an exponential growth in the memory underlying
* the BitSets quickly using all available memory
*/
public class MemoryLeak {
public static void main(String[] args) {
//create 2 test bitsets
BitSet setOne = new BitSet();
BitSet setTwo = new BitSet();
setOne.set(64);
setTwo.set(129);
//test for bug #4091185
//exponential set growth causing memory depletion
for (int i = 0; i < 50; i++) {
setOne.or(setTwo);
setTwo.or(setOne);
}
}
}
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