}

  public void testEvilFuture_setFuture() throws Exception {
    RuntimeException exception = new RuntimeException("you didn't say the magic word!");
    AbstractFuture<String> evilFuture =
        new AbstractFuture<String>() {
          @Override
          public void addListener(Runnable r, Executor e) {
            throw exception;
          }
        };

      throws Exception {
    try {
      future.get();
      fail("Expected ExecutionException");
    } catch (ExecutionException e) {
      assertThat(e).hasCauseThat().isSameInstanceAs(expectedCause);
    }
  }

  /** invokeAny(null) throws NPE */
  public void testInvokeAnyImpl_nullTasks() throws Exception {

 */
@GwtCompatible
@NullUnmarked
public class TearDownStackTest extends TestCase {

  private final TearDownStack tearDownStack = new TearDownStack();

  public void testSingleTearDown() throws Exception {
    TearDownStack stack = buildTearDownStack();

    SimpleTearDown tearDown = new SimpleTearDown();
    stack.addTearDown(tearDown);

    assertEquals(false, tearDown.ran);

    stack.runTearDown();

    public void metadataInvalid(RepositoryEvent event) {
        Exception exception = event.getException();

        Object metadata;
        if (event.getMetadata().getFile() != null) {
            metadata = event.getMetadata().getFile();
        } else {
            metadata = event.getMetadata();
        }

        String errorType = " is invalid";
        if (exception instanceof FileNotFoundException) {

  public void testRemove_nullKeyQueriesUnsupported() {
    try {
      assertFalse(getMap().remove(null, v3()));
    } catch (NullPointerException tolerated) {
      // since the operation would be a no-op, the exception is not required
    }
    expectUnchanged();
  }

  @MapFeature.Require(value = SUPPORTS_REMOVE, absent = ALLOWS_NULL_VALUE_QUERIES)
  public void testRemove_nullValueQueriesUnsupported() {
    try {

  public void testBuildTesterRequirements_class_notAnnotated() throws Exception {
    class Tester {}

    TesterRequirements requirements = buildTesterRequirements(Tester.class);

    assertThat(requirements.getPresentFeatures()).isEmpty();
    assertThat(requirements.getAbsentFeatures()).isEmpty();
  }

  public void testBuildTesterRequirements_class_empty() throws Exception {
    @Require
    class Tester {}

  public void setUp() throws IOException {
    rootDir = createTempDir();
  }

  public void testFileTraverser_emptyDirectory() throws Exception {
    assertThat(Files.fileTraverser().breadthFirst(rootDir)).containsExactly(rootDir);
  }

  public void testFileTraverser_nonExistingFile() throws Exception {
    File file = new File(rootDir, "file-that-doesnt-exist");

    assertThat(Files.fileTraverser().breadthFirst(file)).containsExactly(file);

                new DefaultProjectBuildingResult("com.example:project2:1.0", new File("project2/pom.xml"), problems2);
        results.add(result2);

        ProjectBuildingException exception = new ProjectBuildingException(results);
        String message = exception.getMessage();

        assertTrue(
                message.contains("3 problems were encountered while processing the POMs (2 errors)"),

    assertEquals(null, getResponse(methodName).getResult());
  }

  /**
   * Asserts that a prior call that had caused this thread to block or wait has since returned the
   * expected boolean value.
   */
  public void assertPriorCallReturns(boolean expected, @Nullable String methodName)
      throws Exception {

 * includes both natural exceptions such as unreachable servers, as well as synthetic exceptions
 * when responses are of an unexpected type or cannot be decoded.
 *
 * Other exception types cancel the current call:
 *
 *  * For synchronous calls made with [Call.execute], the exception is propagated to the caller.
 *