ProfilerTest.java

package ch.ethz.syslab.telesto.test;

import static org.junit.Assert.assertEquals;

import org.junit.Test;

import ch.ethz.syslab.telesto.profile.BenchmarkLog;
import ch.ethz.syslab.telesto.profile.SimpleProfiler;
import ch.ethz.syslab.telesto.profile.Stopwatch;

public class ProfilerTest {
    @Test
    public void testStandardDiviation() {
        long[][] data = new long[2][];
        data[0] = new long[] { 0, 0, 0 };
        data[1] = new long[] { 0, 0, 0, 0 };
        assertEquals(0, Stopwatch.standardDeviation(0, data), 0);
        data[0] = new long[] { 0, 0, 0, 0, 0 };
        data[1] = new long[] { 1, 0, -1, 0 };
        assertEquals(0.5, Stopwatch.standardDeviation(0, data), 0);
        data[0] = new long[] { 5, 8, 1 };
        data[1] = new long[] { 100, 2 };
        assertEquals(43.020, Stopwatch.standardDeviation(Stopwatch.mean(data), data), 0.001);
    }

    // @Test
    public void testSimpleProfiler() throws InterruptedException {
        SimpleProfiler p = SimpleProfiler.get();
        p.startSection("Full Test");

        Thread.sleep(1000);
        p.startSection("inner part1");
        Thread.sleep(1200);
        p.endSection("inner part1");

        p.startSection("inner part2");
        Thread.sleep(200);
        p.endSection("inner part2");

        p.endSection("Full Test");

    }

    // @Test
    public void overlappingProfiling() throws InterruptedException {
        SimpleProfiler p = SimpleProfiler.get();
        p.startSection("Full Test");

        Thread.sleep(1000);
        p.startSection("inner part1");
        Thread.sleep(500);
        p.startSection("inner part2");
        Thread.sleep(300);
        p.endSection("inner part1");
        Thread.sleep(200);
        p.endSection("inner part2");

        p.endSection("Full Test");

    }

    // @Test
    // throws exception
    public void doubleNameProfiling() throws InterruptedException {
        SimpleProfiler p = SimpleProfiler.get();
        p.startSection("Full Test");

        Thread.sleep(1000);
        p.startSection("inner part1");
        Thread.sleep(500);
        p.startSection("inner part1");
        Thread.sleep(300);
        p.endSection("inner part1");
        Thread.sleep(200);
        p.endSection("inner part1");

        p.endSection("Full Test");

    }

    // @Test
    public void testBenchmarkLog() throws InterruptedException {
        SimpleProfiler p = SimpleProfiler.get();
        BenchmarkLog l = new BenchmarkLog("testingLog");
        p.startSection("Full Test");

        Thread.sleep(1000);
        p.startSection("inner part1");
        Thread.sleep(500);
        p.startSection("inner part2");
        Thread.sleep(300);
        l.addEntry("inner part1", p.endSection("inner part1"));
        Thread.sleep(200);
        l.addEntry("inner part2", p.endSection("inner part2"));

        l.addEntry("Full Test", p.endSection("Full Test"));
        l.closeFile();
    }
}