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/* Copyright (C) 2001 Eric Blake
This file is part of Mauve.
Mauve is free software; you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation; either version 2, or (at your option)
any later version.
Mauve 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 for more details.
You should have received a copy of the GNU General Public License
along with Mauve; see the file COPYING. If not, write to
the Free Software Foundation, 59 Temple Place - Suite 330,
Boston, MA 02111-1307, USA.
*/
// Tags: JDK1.0
package gnu.testlet.java.lang.Object;
import gnu.testlet.Testlet;
import gnu.testlet.TestHarness;
/**
* This class tests OutOfMemoryError condition.
*/
public final class oom implements Testlet
{
public void test (TestHarness harness)
{
// This test sees if clone can cause an out of memory error.
// The testlet should be able to recover, though!
Object[] oarray = new Object[5];
int[] iarray = null;
try
{
int size = 1024;
while (true)
{
size <<= 1;
iarray = new int[size];
}
}
catch (OutOfMemoryError oome)
{
// we should still have memory left, since the last allocation
// attempt failed; but multiple clones should push us over
try
{
oarray[0] = iarray.clone();
oarray[1] = iarray.clone();
oarray[2] = iarray.clone();
oarray[3] = iarray.clone();
oarray[4] = iarray.clone();
harness.fail("clone didn't cause expected OutOfMemoryError");
}
catch (OutOfMemoryError e)
{
harness.check(true, "clone can exceed memory");
}
oarray = null; // help free memory
}
}
}
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