override fun execute() {
        try {
            val versionToIncubating = mutableMapOf<Version, MutableSet<IncubatingDescription>>()
            val repositoryRoot = parameters.repositoryRoot.get().asFile.toPath()
            parameters.srcDirs.forEach { srcDir ->
                if (srcDir.exists()) {
                    val collector = CompositeVersionsToIncubatingCollector(
                        listOf(

      new EqualsTester()
          .addEqualityGroup(cache.asMap().keySet(), keys)
          .addEqualityGroup(ImmutableSet.of())
          .testEquals();
      assertThat(keys).hasSize(WARMUP_SIZE);
      for (int i = WARMUP_MIN; i < WARMUP_MAX; i++) {
        Object key = warmed.get(i - WARMUP_MIN).getKey();
        assertThat(keys.contains(key)).isTrue();
        assertThat(keys.remove(key)).isTrue();

            if (hasCleaned) {
                return
            }
            logger.lifecycle("Cleaning up caches...")
            val homeDir = parameters.homeDir.get()

            homeDir.asFile.listFiles()?.filter { it.name.startsWith("distributions-") }?.forEach {
                val workerDir = homeDir.dir(it.name)
                cleanupDistributionCaches(workerDir, GradleVersion.version(parameters.gradleVersion.get()))

    // explicitly remove the existing value
    cache.asMap().computeIfPresent(1, (key, value) -> null);
    assertThat(notifications).hasSize(1);
    CacheTesting.checkEmpty(cache);

    // ensure no zombie entry remains
    cache.asMap().computeIfPresent(1, (key, value) -> null);
    assertThat(notifications).hasSize(1);
    CacheTesting.checkEmpty(cache);
  }

  public void testComputeIfPresent_error() {

    ServiceManager serviceManager = new ServiceManager(asList(a, b));
    serviceManager.startAsync().awaitHealthy();
    ImmutableMap<Service, Long> startupTimes = serviceManager.startupTimes();
    assertThat(startupTimes).hasSize(2);
    assertThat(startupTimes.get(a)).isAtLeast(150);
    assertThat(startupTimes.get(b)).isAtLeast(353);
  }

  public void testServiceStartupDurations() {
    if (isWindows() && isJava8()) {

    @TaskAction
    def transform() {
        logging.captureStandardOutput(LogLevel.INFO)
        logging.captureStandardError(LogLevel.INFO)

        def destDir = destinationDirectory.get().asFile
        fs.delete {
            delete(destDir, temporaryDir)
        }

        def xslClasspath = classpath.plus(objects.fileCollection().from(ClasspathUtil.getClasspathForClass(XslTransformer)))

        fs.copy {

    assertThat(segment.writeQueue).hasSize(1);

    segment.recordRead(entry, ticker.read());
    segment.expireEntries(ticker.read());
    assertThat(map.get(key)).isSameInstanceAs(value);
    assertThat(segment.writeQueue.peek()).isSameInstanceAs(entry);
    assertThat(segment.writeQueue).hasSize(1);

    ticker.advance(1);
    segment.recordRead(entry, ticker.read());

            println("Tests to be included:\n$content")
            IncludeTestClassProvider(readTestClasses(content))
        }
        parameters.excludeTestClasses.get().isNotBlank() -> {
            val content = parameters.repoRoot.file("test-splits/exclude-test-classes.properties").get().asFile.readText()
            println("Tests to be excluded:\n$content")

    assertThat(map.replace(one, three, two)).isTrue();
    assertThat(map.get(one)).isSameInstanceAs(two);
    assertThat(map).hasSize(3);

    map.clear();
    assertThat(map.isEmpty()).isTrue();
    assertThat(map).isEmpty();

    cache.getUnchecked(one);
    assertThat(map).hasSize(1);
    assertThat(map.get(one)).isSameInstanceAs(one);
    assertThat(map.containsKey(one)).isTrue();

fun Directory.parentOrRoot(): Directory = if (this.file("version.txt").asFile.exists()) {
    this
} else {
    val parent = dir("..")
    when {
        parent.file("version.txt").asFile.exists() -> parent
        this == parent -> error("Cannot find 'version.txt' file in root of repository")
        else -> parent.parentOrRoot()
    }
}