TestSuite suite = filterSuite(candidateTests);

    Enumeration<?> allTests = suite.tests();
    while (allTests.hasMoreElements()) {
      Object test = allTests.nextElement();
      if (test instanceof AbstractTester) {
        @SuppressWarnings("unchecked")
        AbstractTester<? super G> tester = (AbstractTester<? super G>) test;

    TestSuite suite = filterSuite(candidateTests);

    Enumeration<?> allTests = suite.tests();
    while (allTests.hasMoreElements()) {
      Object test = allTests.nextElement();
      if (test instanceof AbstractTester) {
        @SuppressWarnings("unchecked")
        AbstractTester<? super G> tester = (AbstractTester<? super G>) test;

  }

  public void testAsEnumerationTypical() {
    Iterator<Integer> iter = ImmutableList.of(1, 2, 3).iterator();
    Enumeration<Integer> enumer = Iterators.asEnumeration(iter);

    assertTrue(enumer.hasMoreElements());
    assertEquals(1, (int) enumer.nextElement());
    assertTrue(enumer.hasMoreElements());
    assertEquals(2, (int) enumer.nextElement());

  }

  public void testAsEnumerationTypical() {
    Iterator<Integer> iter = ImmutableList.of(1, 2, 3).iterator();
    Enumeration<Integer> enumer = Iterators.asEnumeration(iter);

    assertTrue(enumer.hasMoreElements());
    assertEquals(1, (int) enumer.nextElement());
    assertTrue(enumer.hasMoreElements());
    assertEquals(2, (int) enumer.nextElement());

      public boolean hasNext() {
        return enumeration.hasMoreElements();
      }

      @Override
      @ParametricNullness
      public T next() {
        return enumeration.nextElement();
      }
    };
  }

  /**
   * Adapts an {@code Iterator} to the {@code Enumeration} interface.
   *