jdk-24/test/hotspot/jtreg/compiler/intrinsics/unsafe/HeapByteBufferTest.java

/*
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 * Copyright (c) 2016, Red Hat Inc. All rights reserved.
 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
 *
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 * 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).
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 * 2 along with this work; if not, write to the Free Software Foundation,
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/**
 * @test
 * @bug 8026049 8151163
 * @summary Verify that byte buffers are correctly accessed.
 * @modules java.base/jdk.internal.misc
 * @library /test/lib
 *
 * @run main/othervm -XX:+UnlockDiagnosticVMOptions -XX:-UseUnalignedAccesses -Djdk.test.lib.random.seed=42
 *      HeapByteBufferTest
 * @run main/othervm -Djdk.test.lib.random.seed=42
 *      HeapByteBufferTest
 */

/**
 * @test
 * @bug 8282555
 * @summary intermittent, check that spilling MoveF2I etc produce memory edge
 * @modules java.base/jdk.internal.misc
 * @library /test/lib
 *
 * @run main/othervm -Djdk.test.lib.random.seed=42
 *      -XX:+UnlockDiagnosticVMOptions -XX:+StressGCM -XX:+OptoScheduling
 *      HeapByteBufferTest
 * @run main/othervm
 *      -XX:+UnlockDiagnosticVMOptions -XX:+StressGCM -XX:+OptoScheduling
 *      HeapByteBufferTest
 */

public class HeapByteBufferTest extends ByteBufferTest {

    public HeapByteBufferTest(long iterations, boolean direct) {
        super(iterations, direct);
    }

    public static void main(String[] args) {
        // The number of iterations is high to ensure that tiered
        // compilation kicks in all the way up to C2.
        long iterations = 5000;
        if (args.length > 0)
            iterations = Long.parseLong(args[0]);

        new HeapByteBufferTest(iterations, false).run();
    }
}