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59 lines
2.3 KiB
Java
59 lines
2.3 KiB
Java
/*
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* Copyright (c) 2025, 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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* @library /test/lib /
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* @bug 8356865
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* @key randomness
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* @requires vm.flagless & vm.compiler2.enabled & vm.debug == true
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* @summary Tests that using reasonable values for -XX:FastAllocateSizeLimit does not crash the VM.
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* @run driver compiler.arguments.TestFastAllocateSizeLimit
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*/
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package compiler.arguments;
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import java.io.IOException;
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import java.util.Random;
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import jdk.test.lib.process.ProcessTools;
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import jdk.test.lib.process.OutputAnalyzer;
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import jdk.test.lib.Utils;
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public class TestFastAllocateSizeLimit {
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private static final Random RANDOM = Utils.getRandomInstance();
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public static void main(String[] args) throws IOException {
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if (args.length == 0) {
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// range defined in globals.hpp is [0, (1 << (BitsPerInt - LogBytesPerLong - 1)) - 1]
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int sizeLimit = RANDOM.nextInt(1 << 28);
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ProcessBuilder pb = ProcessTools.createLimitedTestJavaProcessBuilder("-XX:FastAllocateSizeLimit=" +
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sizeLimit, "-Xcomp", "compiler.arguments.TestFastAllocateSizeLimit", "run");
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OutputAnalyzer output = new OutputAnalyzer(pb.start());
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output.shouldHaveExitValue(0);
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} else {
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System.out.println("Test passed.");
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}
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}
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}
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