/*
* 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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