jdk-24/hotspot/test/compiler/intrinsics/mathexact/LoopDependentTest.java
Rickard Bäckman 441f1d74cf 8024924: Intrinsify java.lang.Math.addExact
Reviewed-by: kvn, twisti
2013-09-27 08:39:19 +02:00

49 lines
1.7 KiB
Java

/*
* Copyright (c) 2013, 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.
*
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*/
/*
* @test
* @bug 8024924
* @summary Test non constant addExact
* @compile LoopDependentTest.java Verify.java
* @run main LoopDependentTest
*
*/
import java.lang.ArithmeticException;
public class LoopDependentTest {
public static java.util.Random rnd = new java.util.Random();
public static void main(String[] args) {
int rnd1 = rnd.nextInt(), rnd2 = rnd.nextInt();
for (int i = 0; i < 50000; ++i) {
Verify.verify(rnd1 + i, rnd2 + i);
Verify.verify(rnd1 + i, rnd2 + (i & 0xff));
Verify.verify(rnd1 - i, rnd2 - (i & 0xff));
Verify.verify(rnd1 + i + 1, rnd2 + i + 2);
Verify.verify(rnd1 + i * 2, rnd2 + i);
}
}
}