}

    @Override
    protected Queue<T> delegate() {
      return queue;
    }
  }

  public void testIndexOf_empty() {
    List<String> list = new ArrayList<>();
    assertEquals(-1, Iterables.indexOf(list, Predicates.equalTo("")));
  }

  public void testIndexOf_oneElement() {
    List<String> list = Lists.newArrayList("bob");
    assertEquals(0, Iterables.indexOf(list, Predicates.equalTo("bob")));

    assertThat(Bytes.contains(ARRAY234, (byte) 2)).isTrue();
    assertThat(Bytes.contains(ARRAY234, (byte) 3)).isTrue();
    assertThat(Bytes.contains(ARRAY234, (byte) 4)).isTrue();
  }

  public void testIndexOf() {
    assertThat(Bytes.indexOf(EMPTY, (byte) 1)).isEqualTo(-1);
    assertThat(Bytes.indexOf(ARRAY1, (byte) 2)).isEqualTo(-1);
    assertThat(Bytes.indexOf(ARRAY234, (byte) 1)).isEqualTo(-1);

    }

    iia = iia.subArray(1, 2);
    try {
      iia.get(-1);
      fail();
    } catch (IndexOutOfBoundsException expected) {
    }
  }

  public void testIndexOf() {
    ImmutableDoubleArray iia = ImmutableDoubleArray.of(1, 1, 2, 3, 5, 8);
    assertThat(iia.indexOf(1)).isEqualTo(0);
    assertThat(iia.indexOf(8)).isEqualTo(5);
    assertThat(iia.indexOf(4)).isEqualTo(-1);

  @Override
  protected String getMethodName() {
    return "indexOf";
  }

  @CollectionFeature.Require(absent = REJECTS_DUPLICATES_AT_CREATION)
  @CollectionSize.Require(absent = {ZERO, ONE})
  public void testIndexOf_duplicate() {
    E[] array = createSamplesArray();
    array[getNumElements() / 2] = e0();
    collection = getSubjectGenerator().create(array);
    assertEquals(

  @Override
  protected String getMethodName() {
    return "indexOf";
  }

  @CollectionFeature.Require(absent = REJECTS_DUPLICATES_AT_CREATION)
  @CollectionSize.Require(absent = {ZERO, ONE})
  public void testIndexOf_duplicate() {
    E[] array = createSamplesArray();
    array[getNumElements() / 2] = e0();
    collection = getSubjectGenerator().create(array);
    assertEquals(

        assertThat(newArray.length, is(2));
        assertThat(newArray[0], is(1));
        assertThat(newArray[1], is(2));
    }

    /**
     * @throws Exception
     */
    @Test
    public void testIndexOf() throws Exception {
        final String[] array = new String[] { "111", "222", "333", "222" };
        assertThat(ArrayUtil.indexOf(array, "222"), is(1));
        assertThat(ArrayUtil.indexOf(array, "222", 2), is(3));

    }

    iia = iia.subArray(1, 2);
    try {
      iia.get(-1);
      fail();
    } catch (IndexOutOfBoundsException expected) {
    }
  }

  public void testIndexOf() {
    ImmutableDoubleArray iia = ImmutableDoubleArray.of(1, 1, 2, 3, 5, 8);
    assertThat(iia.indexOf(1)).isEqualTo(0);
    assertThat(iia.indexOf(8)).isEqualTo(5);
    assertThat(iia.indexOf(4)).isEqualTo(-1);

    }

    @Override
    protected Queue<T> delegate() {
      return queue;
    }
  }

  public void testIndexOf_empty() {
    List<String> list = new ArrayList<>();
    assertEquals(-1, Iterables.indexOf(list, Predicates.equalTo("")));
  }

  public void testIndexOf_oneElement() {
    List<String> list = Lists.newArrayList("bob");
    assertEquals(0, Iterables.indexOf(list, Predicates.equalTo("bob")));

      assertWithMessage("" + value).that(Floats.contains(new float[] {5f, value}, value)).isTrue();
    }
    assertThat(Floats.contains(new float[] {5f, NaN}, NaN)).isFalse();
  }

  public void testIndexOf() {
    assertThat(Floats.indexOf(EMPTY, (float) 1)).isEqualTo(-1);
    assertThat(Floats.indexOf(ARRAY1, (float) 2)).isEqualTo(-1);
    assertThat(Floats.indexOf(ARRAY234, (float) 1)).isEqualTo(-1);

    assertThat(Ints.contains(ARRAY234, (int) 2)).isTrue();
    assertThat(Ints.contains(ARRAY234, (int) 3)).isTrue();
    assertThat(Ints.contains(ARRAY234, (int) 4)).isTrue();
  }

  public void testIndexOf() {
    assertThat(Ints.indexOf(EMPTY, (int) 1)).isEqualTo(-1);
    assertThat(Ints.indexOf(ARRAY1, (int) 2)).isEqualTo(-1);
    assertThat(Ints.indexOf(ARRAY234, (int) 1)).isEqualTo(-1);