} catch (NullPointerException e) {
    }
    try {
      result.next();
      fail("no exception thrown");
    } catch (NullPointerException e) {
    }
    // There is no way to get "through" to the 3.  Buh-bye
  }

  public void testConcatVarArgsContainingNull() {
    try {
      Iterators.concat(iterateOver(1, 2), null, iterateOver(3), iterateOver(4), iterateOver(5));
      fail("no exception thrown");

    } catch (NullPointerException e) {
    }
    try {
      result.next();
      fail("no exception thrown");
    } catch (NullPointerException e) {
    }
    // There is no way to get "through" to the 3.  Buh-bye
  }

  public void testConcatVarArgsContainingNull() {
    try {
      Iterators.concat(iterateOver(1, 2), null, iterateOver(3), iterateOver(4), iterateOver(5));
      fail("no exception thrown");