Function UnityAssertFloatSpecial

tests/unity/src/unity.c:773–830

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/*-----------------------------------------------*/
void UnityAssertFloatSpecial(const UNITY_FLOAT actual,
                             const char* msg,
                             const UNITY_LINE_TYPE lineNumber,
                             const UNITY_FLOAT_TRAIT_T style)
{
    const char* trait_names[] = {UnityStrInf, UnityStrNegInf, UnityStrNaN, UnityStrDet};
    UNITY_INT should_be_trait = ((UNITY_INT)style & 1);
    UNITY_INT is_trait        = !should_be_trait;
    UNITY_INT trait_index     = (UNITY_INT)(style >> 1);

    RETURN_IF_FAIL_OR_IGNORE;

    switch (style)
    {
        case UNITY_FLOAT_IS_INF:
        case UNITY_FLOAT_IS_NOT_INF:
            is_trait = isinf(actual) && (actual > 0);
            break;
        case UNITY_FLOAT_IS_NEG_INF:
        case UNITY_FLOAT_IS_NOT_NEG_INF:
            is_trait = isinf(actual) && (actual < 0);
            break;

        case UNITY_FLOAT_IS_NAN:
        case UNITY_FLOAT_IS_NOT_NAN:
            is_trait = isnan(actual) ? 1 : 0;
            break;

        case UNITY_FLOAT_IS_DET: /* A determinate number is non infinite and not NaN. */
        case UNITY_FLOAT_IS_NOT_DET:
            is_trait = !isinf(actual) && !isnan(actual);
            break;

        default:
            trait_index = 0;
            trait_names[0] = UnityStrInvalidFloatTrait;
            break;
    }

    if (is_trait != should_be_trait)
    {
        UnityTestResultsFailBegin(lineNumber);
        UnityPrint(UnityStrExpected);
        if (!should_be_trait)
            UnityPrint(UnityStrNot);
        UnityPrint(trait_names[trait_index]);
        UnityPrint(UnityStrWas);
#ifndef UNITY_EXCLUDE_FLOAT_PRINT
        UnityPrintFloat((UNITY_DOUBLE)actual);
#else
        if (should_be_trait)
            UnityPrint(UnityStrNot);
        UnityPrint(trait_names[trait_index]);
#endif
        UnityAddMsgIfSpecified(msg);
        UNITY_FAIL_AND_BAIL;
    }
}