assertWithMessage(
            rootLocaleFormat("%s must be annotated with @TesterAnnotation.", annotationClass))
        .that(annotationClass.getAnnotation(TesterAnnotation.class))
        .isNotNull();
    Retention retentionPolicy = annotationClass.getAnnotation(Retention.class);
    assertWithMessage(rootLocaleFormat("%s must have a @Retention annotation.", annotationClass))

      if (values.hasAnyNonFinite()) {
        assertWithMessage("population covariance of %s", values).that(populationCovariance).isNaN();
        assertWithMessage("population covariance by addAll(PairedStats) of %s", values)
            .that(populationCovarianceByAddAllPartitionedPairedStats)
            .isNaN();
      } else {
        assertWithMessage("population covariance of %s", values)

      if (values.hasAnyNaN()) {
        assertWithMessage("mean of %s", values).that(mean).isNaN();
        assertWithMessage("mean by addAll(Stats) of %s", values).that(meanByAddAllStats).isNaN();
      } else if (values.hasAnyPositiveInfinity() && values.hasAnyNegativeInfinity()) {
        assertWithMessage("mean of %s", values).that(mean).isNaN();

      if (values.hasAnyNonFinite()) {
        assertWithMessage("population covariance of %s", values).that(populationCovariance).isNaN();
        assertWithMessage("population covariance by addAll(PairedStats) of %s", values)
            .that(populationCovarianceByAddAllPartitionedPairedStats)
            .isNaN();
      } else {
        assertWithMessage("population covariance of %s", values)

    Type paramType = getOnlyParameterType();
    TestSubtype spec = method.getAnnotation(TestSubtype.class);
    assertWithMessage("%s is subtype of %s", paramType, returnType)
        .that(TypeToken.of(paramType).isSubtypeOf(returnType))
        .isTrue();
    assertWithMessage("%s is supertype of %s", returnType, paramType)
        .that(TypeToken.of(returnType).isSupertypeOf(paramType))
        .isTrue();

    assertThat(Ints.tryParse("9999999999999999")).isNull();
    assertWithMessage("Max integer + 1")
        .that(Ints.tryParse(Long.toString(((long) GREATEST) + 1)))
        .isNull();
    assertWithMessage("Max integer * 10")
        .that(Ints.tryParse(Long.toString(((long) GREATEST) * 10)))
        .isNull();
    assertWithMessage("Min integer - 1")
        .that(Ints.tryParse(Long.toString(((long) LEAST) - 1)))

    Type paramType = getOnlyParameterType();
    TestSubtype spec = method.getAnnotation(TestSubtype.class);
    assertWithMessage("%s is subtype of %s", paramType, returnType)
        .that(TypeToken.of(paramType).isSubtypeOf(returnType))
        .isTrue();
    assertWithMessage("%s is supertype of %s", returnType, paramType)
        .that(TypeToken.of(returnType).isSupertypeOf(paramType))
        .isTrue();

      assertWithMessage("Float value of %s", unsignedValue)
          .that(unsignedValue.floatValue())
          .isEqualTo(unsignedValue.bigIntegerValue().floatValue());
    }
  }

  public void testDoubleValue() {
    for (long value : TEST_LONGS) {
      UnsignedLong unsignedValue = UnsignedLong.fromLongBits(value);
      assertWithMessage("Double value of %s", unsignedValue)

      assertWithMessage("Float value of %s", unsignedValue)
          .that(unsignedValue.floatValue())
          .isEqualTo(unsignedValue.bigIntegerValue().floatValue());
    }
  }

  public void testDoubleValue() {
    for (long value : TEST_LONGS) {
      UnsignedLong unsignedValue = UnsignedLong.fromLongBits(value);
      assertWithMessage("Double value of %s", unsignedValue)

        if (expected == 0) {
          assertWithMessage("%s, %s", x, y).that(actual).isEqualTo(expected);
        } else if (expected < 0) {
          assertWithMessage("%s, %s (expected: %s, actual%s)", x, y, expected, actual)
              .that(actual < 0)
              .isTrue();
        } else {
          assertWithMessage("%s, %s (expected: %s, actual%s)", x, y, expected, actual)