assertWithMessage("%s", 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, 1.0f)).isEqualTo(-1);
    assertThat(Floats.indexOf(ARRAY1, 2.0f)).isEqualTo(-1);
    assertThat(Floats.indexOf(ARRAY234, 1.0f)).isEqualTo(-1);