65 lines
2.2 KiB
Java
65 lines
2.2 KiB
Java
/*
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* Copyright (c) 2018, Oracle and/or its affiliates. All rights reserved.
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* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
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*
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* This code is free software; you can redistribute it and/or modify it
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* under the terms of the GNU General Public License version 2 only, as
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* published by the Free Software Foundation.
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*
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* This code is distributed in the hope that it will be useful, but WITHOUT
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* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
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* FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
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* version 2 for more details (a copy is included in the LICENSE file that
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* accompanied this code).
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*
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* You should have received a copy of the GNU General Public License version
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* 2 along with this work; if not, write to the Free Software Foundation,
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* Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
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*
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* Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
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* or visit www.oracle.com if you need additional information or have any
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* questions.
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*/
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/*
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* @test
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* @bug 8191915
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* @summary Regression test for multiplyExact intrinsic
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* @library /test/lib /
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* @modules java.base/jdk.internal.misc
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* java.management
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*
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* @run main/othervm -Xcomp -XX:-TieredCompilation compiler.intrinsics.mathexact.LongMulOverflowTest
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*/
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package compiler.intrinsics.mathexact;
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public class LongMulOverflowTest {
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public static void main(String[] args) {
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LongMulOverflowTest test = new LongMulOverflowTest();
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for (int i = 0; i < 10; ++i) {
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try {
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test.runTest();
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throw new RuntimeException("Error, runTest() did not overflow!");
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} catch (ArithmeticException e) {
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// success
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}
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try {
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test.runTestOverflow();
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throw new RuntimeException("Error, runTestOverflow() did not overflow!");
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} catch (ArithmeticException e) {
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// success
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}
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}
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}
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public void runTest() {
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java.lang.Math.multiplyExact(Long.MIN_VALUE, 7);
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}
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public void runTestOverflow() {
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java.lang.Math.multiplyExact((Long.MAX_VALUE / 2) + 1, 2);
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}
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}
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