// Test StrLen and StrEmpty functions
    bool test_str_len_empty(void) {
        WriteFmt("Testing StrLen and StrEmpty\n");
    
        Str s = StrInit();

        Str s = StrInit();
    
        bool result = (StrLen(&s) == 0);
        result      = result && StrEmpty(&s);

        StrPushBack(&s, 'i');
    
        result = result && (StrLen(&s) == 2);
        result = result && !StrEmpty(&s);

    
        StrClear(&s);
        result = result && (StrLen(&s) == 0);
        result = result && StrEmpty(&s);

    /// TAGS: Str, Empty, Query
    ///
    #define StrEmpty(str) (StrLen(str) == 0)
    
    ///