#include #include #include #include #include void test_truncate_uint_to_suffixed_str() { /* * I want to avoid testing the rounding so it can be easily changed * so all tests are numbers that are rounded down regardless of rounding method. * That way the function can be modified to round to nearest integer easily. */ char suffixed_str_buff[UINT_MAX_DIGITS + 1] = {'\0'}; truncate_uint_to_suffixed_str(100, 3, suffixed_str_buff); assert(strcmp(suffixed_str_buff, "100") == 0); suffixed_str_buff[0] = '\0'; truncate_uint_to_suffixed_str(1000, 3, suffixed_str_buff); assert(strcmp(suffixed_str_buff, "1K") == 0); suffixed_str_buff[0] = '\0'; truncate_uint_to_suffixed_str(1000, 2, suffixed_str_buff); assert(strcmp(suffixed_str_buff, "1K") == 0); suffixed_str_buff[0] = '\0'; truncate_uint_to_suffixed_str(1000, 1, suffixed_str_buff); assert(strcmp(suffixed_str_buff, "1K") == 0); suffixed_str_buff[0] = '\0'; truncate_uint_to_suffixed_str(1000, 0, suffixed_str_buff); assert(strcmp(suffixed_str_buff, "1K") == 0); suffixed_str_buff[0] = '\0'; truncate_uint_to_suffixed_str(0, 0, suffixed_str_buff); assert(strcmp(suffixed_str_buff, "0") == 0); suffixed_str_buff[0] = '\0'; truncate_uint_to_suffixed_str(100, 2, suffixed_str_buff); assert(strcmp(suffixed_str_buff, "100") == 0); suffixed_str_buff[0] = '\0'; truncate_uint_to_suffixed_str(100, 1, suffixed_str_buff); assert(strcmp(suffixed_str_buff, "100") == 0); suffixed_str_buff[0] = '\0'; truncate_uint_to_suffixed_str(123, 1, suffixed_str_buff); assert(strcmp(suffixed_str_buff, "123") == 0); suffixed_str_buff[0] = '\0'; truncate_uint_to_suffixed_str(1234, 3, suffixed_str_buff); assert(strcmp(suffixed_str_buff, "1" FP2_STR "K") == 0); // "1.2K" suffixed_str_buff[0] = '\0'; truncate_uint_to_suffixed_str(1600, 3, suffixed_str_buff); assert(strcmp(suffixed_str_buff, "1" FP6_STR "K") == 0); // "1.6K" suffixed_str_buff[0] = '\0'; truncate_uint_to_suffixed_str(1000, 4, suffixed_str_buff); assert(strcmp(suffixed_str_buff, "1000") == 0); suffixed_str_buff[0] = '\0'; truncate_uint_to_suffixed_str(1000, 5, suffixed_str_buff); assert(strcmp(suffixed_str_buff, "1000") == 0); suffixed_str_buff[0] = '\0'; truncate_uint_to_suffixed_str(12123, 4, suffixed_str_buff); assert(strcmp(suffixed_str_buff, "12" FP1_STR "K") == 0); // "12.1K" suffixed_str_buff[0] = '\0'; truncate_uint_to_suffixed_str(123123, 4, suffixed_str_buff); assert(strcmp(suffixed_str_buff, "123K") == 0); suffixed_str_buff[0] = '\0'; truncate_uint_to_suffixed_str(123123, 5, suffixed_str_buff); assert(strcmp(suffixed_str_buff, "123" FP1_STR "K") == 0); // "123.1K" suffixed_str_buff[0] = '\0'; truncate_uint_to_suffixed_str(123123, 6, suffixed_str_buff); assert(strcmp(suffixed_str_buff, "123123") == 0); suffixed_str_buff[0] = '\0'; truncate_uint_to_suffixed_str(123123, 7, suffixed_str_buff); assert(strcmp(suffixed_str_buff, "123123") == 0); suffixed_str_buff[0] = '\0'; truncate_uint_to_suffixed_str(12345123, 6, suffixed_str_buff); assert(strcmp(suffixed_str_buff, "12" FP3_STR "45M") == 0); // "12.345M" suffixed_str_buff[0] = '\0'; truncate_uint_to_suffixed_str(12123123, 5, suffixed_str_buff); assert(strcmp(suffixed_str_buff, "12" FP1_STR "2M") == 0); // "12.12M" suffixed_str_buff[0] = '\0'; truncate_uint_to_suffixed_str(1008000, 5, suffixed_str_buff); assert(strcmp(suffixed_str_buff, "1" FP0_STR "08M") == 0); // "1.008M" suffixed_str_buff[0] = '\0'; truncate_uint_to_suffixed_str(3029000, 5, suffixed_str_buff); assert(strcmp(suffixed_str_buff, "3" FP0_STR "29M") == 0); // "3.029M" suffixed_str_buff[0] = '\0'; truncate_uint_to_suffixed_str(10007000, 5, suffixed_str_buff); assert(strcmp(suffixed_str_buff, "10M") == 0); // Decimal point fully truncated suffixed_str_buff[0] = '\0'; truncate_uint_to_suffixed_str(10005123, 6, suffixed_str_buff); assert(strcmp(suffixed_str_buff, "10" FP0_STR "05M") == 0); // "10.005M" suffixed_str_buff[0] = '\0'; truncate_uint_to_suffixed_str(12123123, 4, suffixed_str_buff); assert(strcmp(suffixed_str_buff, "12" FP1_STR "M") == 0); // "12.1M" suffixed_str_buff[0] = '\0'; truncate_uint_to_suffixed_str(54123123, 4, suffixed_str_buff); assert(strcmp(suffixed_str_buff, "54" FP1_STR "M") == 0); // "54.1M" suffixed_str_buff[0] = '\0'; truncate_uint_to_suffixed_str(123123123, 4, suffixed_str_buff); assert(strcmp(suffixed_str_buff, "123M") == 0); suffixed_str_buff[0] = '\0'; truncate_uint_to_suffixed_str(123123123, 6, suffixed_str_buff); assert(strcmp(suffixed_str_buff, "123" FP1_STR "2M") == 0); // "123.12M" suffixed_str_buff[0] = '\0'; truncate_uint_to_suffixed_str(987123123, 6, suffixed_str_buff); assert(strcmp(suffixed_str_buff, "987" FP1_STR "2M") == 0); // "987.12M" suffixed_str_buff[0] = '\0'; truncate_uint_to_suffixed_str(123123123, 7, suffixed_str_buff); assert(strcmp(suffixed_str_buff, "123" FP1_STR "23M") == 0); // "123.123M" suffixed_str_buff[0] = '\0'; truncate_uint_to_suffixed_str(123123123, 8, suffixed_str_buff); assert(strcmp(suffixed_str_buff, "123" FP1_STR "231M") == 0); // "123.1231M" suffixed_str_buff[0] = '\0'; truncate_uint_to_suffixed_str(123123123, 9, suffixed_str_buff); assert(strcmp(suffixed_str_buff, "123123123") == 0); suffixed_str_buff[0] = '\0'; truncate_uint_to_suffixed_str(1123123123, 4, suffixed_str_buff); assert(strcmp(suffixed_str_buff, "1" FP1_STR "2B") == 0); // "1.12B" suffixed_str_buff[0] = '\0'; truncate_uint_to_suffixed_str((uint32_t)3012012012, 4, suffixed_str_buff); assert(strcmp(suffixed_str_buff, "3" FP0_STR "1B") == 0); // "3.01B" suffixed_str_buff[0] = '\0'; truncate_uint_to_suffixed_str(1234123123, 5, suffixed_str_buff); assert(strcmp(suffixed_str_buff, "1" FP2_STR "34B") == 0); // "1.234B" suffixed_str_buff[0] = '\0'; truncate_uint_to_suffixed_str(1000512345, 6, suffixed_str_buff); assert(strcmp(suffixed_str_buff, "1" FP0_STR "005B") == 0); // "1.0005B" suffixed_str_buff[0] = '\0'; truncate_uint_to_suffixed_str(1234561234, 7, suffixed_str_buff); assert(strcmp(suffixed_str_buff, "1" FP2_STR "3456B") == 0); // "1.23456B" suffixed_str_buff[0] = '\0'; truncate_uint_to_suffixed_str(1000061234, 7, suffixed_str_buff); assert(strcmp(suffixed_str_buff, "1" FP0_STR "0006B") == 0); // "1.00006B" suffixed_str_buff[0] = '\0'; truncate_uint_to_suffixed_str(1234567123, 8, suffixed_str_buff); assert(strcmp(suffixed_str_buff, "1" FP2_STR "34567B") == 0); // "1.234567B" suffixed_str_buff[0] = '\0'; truncate_uint_to_suffixed_str(1000007123, 8, suffixed_str_buff); assert(strcmp(suffixed_str_buff, "1" FP0_STR "00007B") == 0); // "1.000007B" suffixed_str_buff[0] = '\0'; truncate_uint_to_suffixed_str(1234567812, 9, suffixed_str_buff); assert(strcmp(suffixed_str_buff, "1" FP2_STR "345678B") == 0); // "1.2345678B" suffixed_str_buff[0] = '\0'; truncate_uint_to_suffixed_str(1000000812, 9, suffixed_str_buff); assert(strcmp(suffixed_str_buff, "1" FP0_STR "000008B") == 0); // "1.0000008B" suffixed_str_buff[0] = '\0'; truncate_uint_to_suffixed_str(1123123123, 10, suffixed_str_buff); assert(strcmp(suffixed_str_buff, "1123123123") == 0); suffixed_str_buff[0] = '\0'; truncate_uint_to_suffixed_str(1123123123, UINT_MAX_DIGITS, suffixed_str_buff); assert(strcmp(suffixed_str_buff, "1123123123") == 0); suffixed_str_buff[0] = '\0'; truncate_uint_to_suffixed_str(1123123123, 100, suffixed_str_buff); assert(strcmp(suffixed_str_buff, "1123123123") == 0); suffixed_str_buff[0] = '\0'; truncate_uint_to_suffixed_str(UINT32_MAX, 4, suffixed_str_buff); assert(strcmp(suffixed_str_buff, "4" FP2_STR "9B") == 0); // "4.29B" // This is one of the few tests that checks rounding down, try not to add many more suffixed_str_buff[0] = '\0'; truncate_uint_to_suffixed_str(UINT32_MAX, 5, suffixed_str_buff); assert(strcmp(suffixed_str_buff, "4" FP2_STR "94B") == 0); // "4.294B" char max_uint_str_buff[UINT_MAX_DIGITS + 1] = {'\0'}; snprintf(max_uint_str_buff, sizeof(max_uint_str_buff), "%lu", UINT32_MAX); suffixed_str_buff[0] = '\0'; truncate_uint_to_suffixed_str(UINT32_MAX, UINT_MAX_DIGITS, suffixed_str_buff); assert(strcmp(suffixed_str_buff, max_uint_str_buff) == 0); } int main() { test_truncate_uint_to_suffixed_str(); return 0; }