Function UnityAssertDoubleSpecial

src/unity.c:1313–1375

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/*-----------------------------------------------*/
void UnityAssertDoubleSpecial(const UNITY_DOUBLE 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 = UNITY_IS_INF(actual) && (actual > 0);
            break;
        case UNITY_FLOAT_IS_NEG_INF:
        case UNITY_FLOAT_IS_NOT_NEG_INF:
            is_trait = UNITY_IS_INF(actual) && (actual < 0);
            break;

        case UNITY_FLOAT_IS_NAN:
        case UNITY_FLOAT_IS_NOT_NAN:
            is_trait = UNITY_IS_NAN(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 = !UNITY_IS_INF(actual) && !UNITY_IS_NAN(actual);
            break;

        case UNITY_FLOAT_INVALID_TRAIT:  /* Supress warning */
        default: /* including UNITY_FLOAT_INVALID_TRAIT */
            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(actual);
#else
        if (should_be_trait)
        {
            UnityPrint(UnityStrNot);
        }
        UnityPrint(trait_names[trait_index]);