public void testContains_equals() {
    new EqualsTester()
        .addEqualityGroup(
            Predicates.contains(Pattern.compile("foo")), Predicates.containsPattern("foo"))
        .addEqualityGroup(Predicates.contains(Pattern.compile("foo", Pattern.CASE_INSENSITIVE)))
        .addEqualityGroup(Predicates.containsPattern("bar"))
        .testEquals();
  }

  public void assertEqualHashCode(

   * cannot implement that interface in source code in a way that will compile on both Java 7 and
   * Java 8. If we include the {@code getAnnotatedBounds()} method then its return type means it
   * won't compile on Java 7, while if we don't include the method then the compiler will complain
   * that an abstract method is unimplemented. So instead we use a dynamic proxy to get an

    Iterable<String> words = Splitter.on(Pattern.compile("\\b")).split(string);
    assertThat(words).containsExactly("foo", "<", "bar", ">", "bletch").inOrder();
  }

  @GwtIncompatible // java.util.regex.Pattern
  public void testPatternSplitWordBoundary_singleCharInput() {
    String string = "f";
    Iterable<String> words = Splitter.on(Pattern.compile("\\b")).split(string);

    Iterable<String> words = Splitter.on(Pattern.compile("\\b")).split(string);
    assertThat(words).containsExactly("foo", "<", "bar", ">", "bletch").inOrder();
  }

  @GwtIncompatible // java.util.regex.Pattern
  public void testPatternSplitWordBoundary_singleCharInput() {
    String string = "f";
    Iterable<String> words = Splitter.on(Pattern.compile("\\b")).split(string);

    return FluentIterable.from(ImmutableList.<Number>of());
  }

  /*
   * The following tests demonstrate the shortcomings of or() and test that the casting workaround
   * mentioned in the method Javadoc does in fact compile.
   */

  @SuppressWarnings("unused") // compilation test
  public void testSampleCodeError1() {
    Optional<Integer> optionalInt = getSomeOptionalInt();
    // Number value = optionalInt.or(0.5); // error
  }

    assertNotNull(ArbitraryInstances.get(AnnotatedElement.class));
    assertNotNull(ArbitraryInstances.get(GenericDeclaration.class));
  }

  public void testGet_regex() {
    assertEquals(Pattern.compile("").pattern(), ArbitraryInstances.get(Pattern.class).pattern());
    assertEquals(0, ArbitraryInstances.get(MatchResult.class).groupCount());
  }

  public void testGet_usePublicConstant() {

   * Returns an immutable array containing the given values, in order.
   *
   * <p>The array {@code rest} must not be longer than {@code Integer.MAX_VALUE - 1}.
   */
  // Use (first, rest) so that `of(someIntArray)` won't compile (they should use copyOf), which is
  // okay since we have to copy the just-created array anyway.
  public static ImmutableIntArray of(int first, int... rest) {
    checkArgument(

    return FluentIterable.from(ImmutableList.<Number>of());
  }

  /*
   * The following tests demonstrate the shortcomings of or() and test that the casting workaround
   * mentioned in the method Javadoc does in fact compile.
   */

  @SuppressWarnings("unused") // compilation test
  public void testSampleCodeError1() {
    Optional<Integer> optionalInt = getSomeOptionalInt();
    // Number value = optionalInt.or(0.5); // error
  }

    /* The following fails to compile:
     *
     * The method append(Iterable<? extends FluentIterableTest.A>) in the type
     * FluentIterable<FluentIterableTest.A> is not applicable for the arguments
     * (Iterable<FluentIterableTest.B>)
     */
    // FluentIterable.from(aIterable).append(bIterable);

    /* The following fails to compile:
     *

  }

  static final int LAST_COLOR_ADDED = 0x00BFFF;

  public void testComplexBuilder() {
    List<Integer> colorElem = asList(0x00, 0x33, 0x66, 0x99, 0xCC, 0xFF);
    // javac won't compile this without "this.<Integer>"
    ImmutableSet.Builder<Integer> webSafeColorsBuilder = this.<Integer>builder();
    for (Integer red : colorElem) {
      for (Integer green : colorElem) {