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 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
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 * published by the Free Software Foundation.  Oracle designates this
 * particular file as subject to the "Classpath" exception as provided
 * by Oracle in the LICENSE file that accompanied this code.
 *
 * 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
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package org.openjdk.jmh.it.profilers;

import org.openjdk.jmh.annotations.*;
import org.openjdk.jmh.util.JDKVersion;

import java.util.concurrent.TimeUnit;

@Warmup(iterations = 3, time = 1, timeUnit = TimeUnit.SECONDS)
@Measurement(iterations = 3, time = 1, timeUnit = TimeUnit.SECONDS)
@Fork(1)
@State(Scope.Thread)
public abstract class AbstractAsmProfilerTest {

    private static final int SIZE = 10_000;

    private byte[] src, dst;

    @Setup
    public void setup() {
        src = new byte[SIZE];
        dst = new byte[SIZE];
    }

    @Benchmark
    public void work() {
        // Call something that definitely results in calling a native stub.
        // This should work on environments where hsdis is not available.
        System.arraycopy(src, 0, dst, 0, SIZE);
    }

    public static boolean checkDisassembly(String out) {
        if (JDKVersion.parseMajor(System.getProperty("java.version")) >= 17) {
            // Should always print, since abstract assembler is available
            return out.contains("StubRoutines::");
        } else {
            if (out.contains("StubRoutines::")) {
                // hsdis is enabled, good
                return true;
            } else {
                // hsdis is not enabled, okay
                return out.contains("<no assembly is recorded, native region>");
            }
        }
    }

    public static boolean someEventsCaptured(String out) {
        return !out.contains("The perf event count is suspiciously low (0).");
    }

}
