assertTrue(broken.hasNext());
    // We can't retrieve even the known first element:
    try {
      broken.next();
      fail();
    } catch (MyException expected) {
    }
    try {
      broken.next();
      fail();
    } catch (MyException expected) {
    }
  }

  private static Iterator<Integer> newDoubler(int first, final int last) {
    return new AbstractSequentialIterator<Integer>(first) {

    class MyException extends Exception {}
    Callable<@Nullable Void> callable =
        new Callable<@Nullable Void>() {
          @Override
          public @Nullable Void call() throws Exception {
            assertEquals(Thread.currentThread().getName(), newName.get());
            throw new MyException();
          }
        };
    try {

    class MyException extends Exception {}
    Callable<@Nullable Void> callable =
        new Callable<@Nullable Void>() {
          @Override
          public @Nullable Void call() throws Exception {
            assertEquals(Thread.currentThread().getName(), newName.get());
            throw new MyException();
          }
        };
    try {

    assertTrue(broken.hasNext());
    // We can't retrieve even the known first element:
    try {
      broken.next();
      fail();
    } catch (MyException expected) {
    }
    try {
      broken.next();
      fail();
    } catch (MyException expected) {
    }
  }

  private static Iterator<Integer> newDoubler(int first, final int last) {
    return new AbstractSequentialIterator<Integer>(first) {

   */
  public void testAllAsList_logging_same_cause() throws Exception {
    try {
      MyException exception1 = new MyException();
      MyException exception2 = new MyException();
      MyException exception3 = new MyException();

      MyException sameInstance = new MyException();
      exception1.initCause(sameInstance);
      exception2.initCause(sameInstance);

   */
  public void testAllAsList_logging_same_cause() throws Exception {
    try {
      MyException exception1 = new MyException();
      MyException exception2 = new MyException();
      MyException exception3 = new MyException();

      MyException sameInstance = new MyException();
      exception1.initCause(sameInstance);
      exception2.initCause(sameInstance);