assertThat(ImmutableLongArray.of().lastIndexOf(21)).isEqualTo(-1);
    assertThat(iia.subArray(1, 5).lastIndexOf(1)).isEqualTo(0);
  }

  public void testContains() {
    ImmutableLongArray iia = ImmutableLongArray.of(1, 1, 2, 3, 5, 8);
    assertThat(iia.contains(1)).isTrue();
    assertThat(iia.contains(8)).isTrue();
    assertThat(iia.contains(4)).isFalse();

  public void testHashCode() {
    for (byte value : VALUES) {
      assertThat(Bytes.hashCode(value)).isEqualTo(((Byte) value).hashCode());
    }
  }

  public void testContains() {
    assertThat(Bytes.contains(EMPTY, (byte) 1)).isFalse();
    assertThat(Bytes.contains(ARRAY1, (byte) 2)).isFalse();
    assertThat(Bytes.contains(ARRAY234, (byte) 1)).isFalse();

    assertThat(ImmutableDoubleArray.of().lastIndexOf(21)).isEqualTo(-1);
    assertThat(iia.subArray(1, 5).lastIndexOf(1)).isEqualTo(0);
  }

  public void testContains() {
    ImmutableDoubleArray iia = ImmutableDoubleArray.of(1, 1, 2, 3, 5, 8);
    assertThat(iia.contains(1)).isTrue();
    assertThat(iia.contains(8)).isTrue();
    assertThat(iia.contains(4)).isFalse();

  public void testColumnKeySet() {
    assertEquals(ImmutableSet.of(), INSTANCE.columnKeySet());
  }

  public void testColumnMap() {
    assertEquals(ImmutableMap.of(), INSTANCE.columnMap());
  }

  public void testContains() {
    assertFalse(INSTANCE.contains('a', 1));
  }

  public void testContainsColumn() {
    assertFalse(INSTANCE.containsColumn(1));
  }

  public void testContainsRow() {

  public void testColumnKeySet() {
    assertEquals(ImmutableSet.of(), INSTANCE.columnKeySet());
  }

  public void testColumnMap() {
    assertEquals(ImmutableMap.of(), INSTANCE.columnMap());
  }

  public void testContains() {
    assertFalse(INSTANCE.contains('a', 1));
  }

  public void testContainsColumn() {
    assertFalse(INSTANCE.containsColumn(1));
  }

  public void testContainsRow() {

        .testEquals();
  }

  public void testToString() {
    assertEquals("{a={1=blah}}", testTable.toString());
  }

  public void testContains() {
    assertTrue(testTable.contains('a', 1));
    assertFalse(testTable.contains('a', 2));
    assertFalse(testTable.contains('A', 1));
    assertFalse(testTable.contains('A', 2));
  }

    assertThat(ImmutableIntArray.of().lastIndexOf(21)).isEqualTo(-1);
    assertThat(iia.subArray(1, 5).lastIndexOf(1)).isEqualTo(0);
  }

  public void testContains() {
    ImmutableIntArray iia = ImmutableIntArray.of(1, 1, 2, 3, 5, 8);
    assertThat(iia.contains(1)).isTrue();
    assertThat(iia.contains(8)).isTrue();
    assertThat(iia.contains(4)).isFalse();

  @CollectionSize.Require(absent = ZERO)
  public void testContains_yes() {
    assertTrue("containsValue(present) should return true", getMap().containsValue(v0()));
  }

  public void testContains_no() {
    assertFalse("containsValue(notPresent) should return false", getMap().containsValue(v3()));
  }

  @MapFeature.Require(ALLOWS_NULL_VALUE_QUERIES)
  public void testContains_nullNotContainedButAllowed() {

  @CollectionSize.Require(absent = ZERO)
  public void testContains_yes() {
    assertTrue("containsKey(present) should return true", getMap().containsKey(k0()));
  }

  public void testContains_no() {
    assertFalse("containsKey(notPresent) should return false", getMap().containsKey(k3()));
  }

  @MapFeature.Require(ALLOWS_NULL_KEY_QUERIES)
  public void testContains_nullNotContainedButAllowed() {

          assertWithMessage(x + ", " + y + " (expected: " + expected + ", actual" + actual + ")")
              .that(actual > 0)
              .isTrue();
        }
      }
    }
  }

  public void testContains() {
    assertThat(Shorts.contains(EMPTY, (short) 1)).isFalse();
    assertThat(Shorts.contains(ARRAY1, (short) 2)).isFalse();
    assertThat(Shorts.contains(ARRAY234, (short) 1)).isFalse();