final Method m3 = ListType.class.getMethod("listOfWildcard");
        final Type t3 = m3.getGenericReturnType();
        assertThat(GenericsUtil.isTypeOf(t3, List.class), is(true));
        assertThat(WildcardType.class.isInstance(GenericsUtil.getElementTypeOfList(t3)), is(true));
    }

    /**
     * @throws Exception
     */
    public void testSet() throws Exception {

        form.loginRequired = fessConfig.isLoginRequired() ? Constants.TRUE : Constants.FALSE;
        form.resultCollapsed = fessConfig.isResultCollapsed() ? Constants.TRUE : Constants.FALSE;
        form.loginLink = fessConfig.isLoginLinkEnabled() ? Constants.TRUE : Constants.FALSE;
        form.thumbnail = fessConfig.isThumbnailEnabled() ? Constants.TRUE : Constants.FALSE;

        assertEquals(expectedSet.subSet(i, true, j, false), asSet.subSet(i, true, j, false));
        assertEquals(expectedSet.subSet(i, false, j, true), asSet.subSet(i, false, j, true));
        assertEquals(expectedSet.subSet(i, true, j, true), asSet.subSet(i, true, j, true));
      }
    }
  }

  public void testSubRangeSet() {

  // TODO(jlevy): Move shared code of this class and MapsTransformValuesTest
  // to a superclass.

  public MapsTransformValuesUnmodifiableIteratorTest() {
    super(true, true, false /*supportsPut*/, true, true, false);
  }

  private static class UnmodifiableIteratorMap<K, V> extends ForwardingMap<K, V> {
    final Map<K, V> delegate;

    UnmodifiableIteratorMap(Map<K, V> delegate) {

 */
@ElementTypesAreNonnullByDefault
@SuppressWarnings("LenientFormatStringValidation") // Intentional for testing
@GwtCompatible(emulated = true)
public class PreconditionsTest extends TestCase {
  public void testCheckArgument_simple_success() {
    Preconditions.checkArgument(true);
  }

  public void testCheckArgument_simple_failure() {
    try {
      Preconditions.checkArgument(false);
      fail("no exception thrown");

      @Override
      boolean isCancelled() {
        return true;
      }

      @Override
      void maybeThrowOnGet(@Nullable Throwable cause) throws ExecutionException {
        // TODO(cpovirk): chain in a CancellationException created at the cancel() call?
        throw new CancellationException();
      }
    };

    boolean isDone() {
      return true;
    }

    boolean isCancelled() {

        future.addListener(listener, directExecutor());
      }
    }
  }

  /**
   * Fails this future with the given Throwable if {@link #allMustSucceed} is true. Also, logs the
   * throwable if it is an {@link Error} or if {@link #allMustSucceed} is {@code true}, the
   * throwable did not cause this future to fail, and it is the first time we've seen that
   * particular Throwable.
   */

    for (int i = 0; i < ipString.length(); i++) {
      char c = ipString.charAt(i);
      if (c == '.') {
        hasDot = true;
      } else if (c == ':') {
        if (hasDot) {
          return null; // Colons must not appear after dots.
        }
        hasColon = true;
      } else if (c == '%') {
        percentIndex = i;

  // ValueGraph properties
  //

  /**
   * Returns true if the edges in this graph are directed. Directed edges connect a {@link
   * EndpointPair#source() source node} to a {@link EndpointPair#target() target node}, while
   * undirected edges connect a pair of nodes to each other.
   */
  @Override
  boolean isDirected();

  /**

  }

  public static void assertEmpty(Iterable<?> iterable) {
    if (!isEmpty(iterable)) {
      Assert.fail("Not true that " + iterable + " is empty");
    }
  }

  public static void assertEmpty(Map<?, ?> map) {
    if (!map.isEmpty()) {
      Assert.fail("Not true that " + map + " is empty");
    }
  }

  public static void assertEqualInOrder(Iterable<?> expected, Iterable<?> actual) {