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 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
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 * 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).
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package org.openjdk.jmh.it.profilers;

import org.junit.Test;
import org.openjdk.jmh.annotations.*;
import org.openjdk.jmh.it.Fixtures;
import org.openjdk.jmh.profile.JavaFlightRecorderProfiler;
import org.openjdk.jmh.profile.StackProfiler;
import org.openjdk.jmh.results.Result;
import org.openjdk.jmh.results.RunResult;
import org.openjdk.jmh.runner.Runner;
import org.openjdk.jmh.runner.RunnerException;
import org.openjdk.jmh.runner.options.Options;
import org.openjdk.jmh.runner.options.OptionsBuilder;

import java.util.Map;
import java.util.concurrent.TimeUnit;

@Warmup(iterations = 3, time = 1, timeUnit = TimeUnit.SECONDS)
@Measurement(iterations = 3, time = 1, timeUnit = TimeUnit.SECONDS)
@Fork(1)
public class StackProfilerTest {

    @Benchmark
    public void work() {
        somethingInTheMiddle();
    }

    @CompilerControl(CompilerControl.Mode.DONT_INLINE)
    public void somethingInTheMiddle() {
        Fixtures.work();
    }

    @Test
    public void test() throws RunnerException {
        if (Fixtures.isVirtualExecutor()) {
            System.out.println("Stack profiler is not reliable with virtual threads");
            return;
        }

        Options opts = new OptionsBuilder()
                .include(Fixtures.getTestMask(this.getClass()))
                .addProfiler(StackProfiler.class, "lines=10")
                .build();

        RunResult rr = new Runner(opts).runSingle();

        Map<String, Result> sr = rr.getSecondaryResults();
        String out = ProfilerTestUtils.checkedGet(sr, "stack").extendedInfo();
        if (!out.contains(StackProfilerTest.class.getCanonicalName() + ".somethingInTheMiddle")) {
            throw new IllegalStateException("Profile does not contain the required frame: " + out);
        }
    }

}
