throw new ClassCastException("");
      }
    }
    Collection<Integer> nums = new CollectionThatThrowsCCE<>();
    nums.add(3);
    Predicate<Integer> isThree = Predicates.in(nums);
    assertFalse(isThree.apply(3));
  }

  /*
   * Tests that compilation will work when applying explicit types.
   */
  @SuppressWarnings("unused") // compilation test

    }
  }

  /**
   * Creates a suite whose map has some elements filtered out of view.
   *
   * <p>Because the map may be ascending or descending, this test must derive the relative order of
   * these extreme values rather than relying on their regular sort ordering.
   */
  final TestSuite createSubmapSuite(
      FeatureSpecificTestSuiteBuilder<
              ?, ? extends OneSizeTestContainerGenerator<Map<K, V>, Entry<K, V>>>

      for (Object o : elements) {
        if (o == null) {
          throw new NullPointerException();
        }
      }

      // prepare extreme values to be filtered out of view
      E firstExclusive = delegate.belowSamplesGreater();
      E lastExclusive = delegate.aboveSamplesLesser();
      if (from != Bound.NO_BOUND) {

    assertThat(iia.contains(1)).isTrue();
    assertThat(iia.contains(8)).isTrue();
    assertThat(iia.contains(4)).isFalse();
    assertThat(ImmutableIntArray.of(13).contains(13)).isTrue();
    assertThat(ImmutableIntArray.of().contains(21)).isFalse();
    assertThat(iia.subArray(1, 5).contains(1)).isTrue();
  }

  public void testForEach() {

    assertThat(Shorts.contains(ARRAY234, (short) 1)).isFalse();
    assertThat(Shorts.contains(new short[] {(short) -1}, (short) -1)).isTrue();
    assertThat(Shorts.contains(ARRAY234, (short) 2)).isTrue();
    assertThat(Shorts.contains(ARRAY234, (short) 3)).isTrue();
    assertThat(Shorts.contains(ARRAY234, (short) 4)).isTrue();
  }

  public void testIndexOf() {
    assertThat(Shorts.indexOf(EMPTY, (short) 1)).isEqualTo(-1);

        .that(step2.statusFuture().isCancelled())
        .isTrue();
    // Its closeable is closed.
    assertClosed(closeable2);

    // Step 3 was cancelled before it began
    assertWithMessage("step3.statusFuture().isCancelled()")
        .that(step3.statusFuture().isCancelled())
        .isTrue();
    // Its closeable is still open.
    assertStillOpen(closeable3);

 *
 * @author Kevin Bourrillion
 */
@GwtCompatible(emulated = true)
public class PrimitivesTest extends TestCase {
  public void testIsWrapperType() {
    assertThat(Primitives.isWrapperType(Void.class)).isTrue();
    assertThat(Primitives.isWrapperType(void.class)).isFalse();
  }

  public void testWrap() {
    assertThat(Primitives.wrap(int.class)).isSameInstanceAs(Integer.class);

    assertThat(transformation.isHorizontal()).isTrue();
    assertThat(transformation.isVertical()).isFalse();
    assertThat(transformation.inverse().isHorizontal()).isFalse();
    assertThat(transformation.inverse().isVertical()).isTrue();
    assertThat(transformation.transform(-1.0)).isWithin(ALLOWED_ERROR).of(y);

    assertThatFutureBecomesCancelled(closingFuture.finishToFuture());
  }

  @Override
  void cancelFinalStepAndWait(ClosingFuture<TestCloseable> closingFuture) {
    assertThat(closingFuture.finishToFuture().cancel(false)).isTrue();
    waitUntilClosed(closingFuture);
    futureCancelled.countDown();
  }

  }

  /**
   * Creates a suite whose set has some elements filtered out of view.
   *
   * <p>Because the set may be ascending or descending, this test must derive the relative order of
   * these extreme values rather than relying on their regular sort ordering.
   */
  final TestSuite createSubsetSuite(
      FeatureSpecificTestSuiteBuilder<?, ? extends OneSizeTestContainerGenerator<Collection<E>, E>>
          parentBuilder,