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 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
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 * 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
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package compiler.debug;

import java.util.Random;
import java.util.stream.Stream;

import jdk.test.lib.process.OutputAnalyzer;
import jdk.test.lib.process.ProcessTools;
import jdk.test.lib.Utils;

/*
 * @test
 * @key stress randomness
 * @bug 8330157
 * @requires vm.debug == true & vm.compiler2.enabled & (vm.opt.AbortVMOnCompilationFailure == "null" | !vm.opt.AbortVMOnCompilationFailure)
 * @summary Basic tests for bailout stress flag.
 * @library /test/lib /
 * @run main compiler.debug.TestStressBailout
 */

/*
 * @test
 * @key stress randomness
 * @bug 8375905
 * @requires vm.debug == true & vm.compiler2.enabled & (vm.opt.AbortVMOnCompilationFailure == "null" | !vm.opt.AbortVMOnCompilationFailure)
 * @summary Additional crashes revealed by diagnostic code run during VerifyIterativeGVN
 * @library /test/lib /
 * @run main compiler.debug.TestStressBailout -XX:VerifyIterativeGVN=1111
 */

public class TestStressBailout {

    static void runTest(int invprob, Stream<String> vmArgs) throws Exception {
        Stream<String> procArgs = Stream.of("-Xcomp", "-XX:-TieredCompilation", "-XX:+StressBailout", "-XX:StressBailoutMean=" + invprob, "-version");
        ProcessBuilder pb  = ProcessTools.createTestJavaProcessBuilder(Stream.concat(vmArgs, procArgs).toArray(x -> new String[x]));
        OutputAnalyzer out = new OutputAnalyzer(pb.start());
        out.shouldHaveExitValue(0);
    }

    public static void main(String[] vmArgs) throws Exception {
        Random r = Utils.getRandomInstance();
        // Likely bail out on -version, for some low Mean value.
        runTest(r.nextInt(1, 10), Stream.of(vmArgs));
        // Higher value
        runTest(r.nextInt(10, 1_000_000), Stream.of(vmArgs));
    }
}