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8277893: Arraycopy stress tests

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Reviewed-by: kvn, mli
This commit is contained in:
Aleksey Shipilev 2021-12-21 14:01:47 +00:00
parent ff5d41762d
commit 29bd73638a
12 changed files with 1154 additions and 1 deletions
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test/hotspot/jtreg/compiler/arraycopy/stress/StressObjectArrayCopy.java Normal file
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/*
* Copyright (c) 2021, Red Hat, Inc. 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.
*/
package compiler.arraycopy.stress;
import java.util.Arrays;
import java.util.Random;
import jdk.test.lib.Utils;
public class StressObjectArrayCopy extends AbstractStressArrayCopy {
private static final Object[] orig = new Object[MAX_SIZE];
private static final Object[] test = new Object[MAX_SIZE];
protected void testWith(int size, int l, int r, int len) {
// Seed the test from the original
System.arraycopy(orig, 0, test, 0, size);
// Check the seed is correct
{
int m = Arrays.mismatch(test, 0, size,
orig, 0, size);
if (m != -1) {
throwSeedError(size, m);
}
}
// Perform the tested copy
System.arraycopy(test, l, test, r, len);
// Check the copy has proper contents
{
int m = Arrays.mismatch(test, r, r+len,
orig, l, l+len);
if (m != -1) {
throwContentsError(l, r, len, r+m);
}
}
// Check anything else was not affected: head and tail
{
int m = Arrays.mismatch(test, 0, r,
orig, 0, r);
if (m != -1) {
throwHeadError(l, r, len, m);
}
}
{
int m = Arrays.mismatch(test, r + len, size,
orig, r + len, size);
if (m != -1) {
throwTailError(l, r, len, m);
}
}
}
public static void main(String... args) {
Random rand = Utils.getRandomInstance();
for (int c = 0; c < orig.length; c++) {
orig[c] = new Object();
}
new StressObjectArrayCopy().run(rand);
}
}