if (!compareAndSet(null, currentThread)) {
      return; // someone else has run or is running.
    }

    boolean run = !isDone();
    T result = null;
    Throwable error = null;
    try {
      if (run) {
        result = runInterruptibly();
      }
    } catch (Throwable t) {
      restoreInterruptIfIsInterruptedException(t);
      error = t;
    } finally {

    @Test
    public void testConvertWithNullText() throws IOException {
        // Test convert with null text - this might throw exception
        String text = null;
        String field = "content";

        try {
            List<String> results = converter.convert(text, field, "en");
            assertNotNull(results);
        } catch (Exception e) {
            // Expected behavior - null text might cause exception

        getMaxWorkerHeap().convention("1g");
    }

    // it's easier to do this via reflection than to copy the whole task
    private void addKotlinCompilerToJapicmpClasspath() {
        try {
            Field additionalJapicmpClasspathField = JapicmpTask.class.getDeclaredField("additionalJapicmpClasspath");
            additionalJapicmpClasspathField.setAccessible(true);

        File gradleRuntimeApiInfoJar = from.filter(file -> file.getName().startsWith(gradleApiInfoJarPrefix)).getSingleFile();
        URI uri = URI.create("jar:" + gradleRuntimeApiInfoJar.getAbsoluteFile().toURI());
        try (FileSystem fs = FileSystems.newFileSystem(uri, Collections.emptyMap())) {
            Path upgradedPropertiesJson = fs.getPath(UPGRADED_PROPERTIES_FILE);
            if (Files.exists(upgradedPropertiesJson)) {

  @ArgumentsSource(MainTestProvider::class)
  fun runMain(className: String) {
    val mainMethod =
      Class
        .forName(className)
        .methods
        .find { it.name == "main" }
    try {
      if (mainMethod != null) {
        if (mainMethod.parameters.isEmpty()) {
          mainMethod.invoke(null)
        } else {
          mainMethod.invoke(null, arrayOf<String>())
        }
      } else {

    setDistinctValues(Network.class, IMMUTABLE_NETWORK_A, IMMUTABLE_NETWORK_B);
    setDefault(EndpointPair.class, EndpointPair.ordered("A", "B"));
  }

  @Override
  public void testNulls() throws Exception {
    try {
      super.testNulls();
    } catch (AssertionError e) {
      assertWithMessage("Method did not throw null pointer OR element not in graph exception.")
          .that(e)
          .hasCauseThat()

        assertThat(ClassLoaderUtil.getClassLoader(TestCase.class), is(sameInstance(TestCase.class.getClassLoader())));

        final ClassLoader context = Thread.currentThread().getContextClassLoader();
        try {
            final ClassLoader cl = new URLClassLoader(new URL[0], getClass().getClassLoader());
            Thread.currentThread().setContextClassLoader(cl);

 *
 * @author Louis Wasserman
 */
@GwtCompatible
final class LongAddables {
  private static final Supplier<LongAddable> SUPPLIER;

  static {
    Supplier<LongAddable> supplier;
    try {
      // trigger static initialization of the LongAdder class, which may fail
      LongAdder unused = new LongAdder();
      supplier =
          new Supplier<LongAddable>() {
            @Override

        execJob.testCreateSystemProperties(cmdList, propFile);

        assertTrue(propFile.exists());

        // Read and verify properties
        Properties props = new Properties();
        try (var in = Files.newInputStream(propFile.toPath())) {
            props.load(in);
            // The property should be in the file if it was in system properties
            String value = props.getProperty("test.prop");

     *      org.apache.maven.artifact.resolver.ResolutionNode)
     */

    @Override
    public ResolutionNode resolveConflict(ResolutionNode node1, ResolutionNode node2) {
        try {
            ArtifactVersion version1 = node1.getArtifact().getSelectedVersion();
            ArtifactVersion version2 = node2.getArtifact().getSelectedVersion();