91 lines
2.3 KiB
C
91 lines
2.3 KiB
C
#include <assert.h>
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#include <stdio.h>
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#include <stdlib.h>
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#include <string.h>
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#include <sys/ksys.h>
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#include <time.h>
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int comp(void* a, void* b)
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{
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return *(int*)a - *(int*)b;
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}
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int main()
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{
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puts("Start testing.");
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assert(NULL == ((void*)0));
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assert(RAND_MAX == 65535);
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assert(min(3, 10) == 3);
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assert(max(3, 10) == 10);
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assert(atof("12.4") == 12.4);
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assert(atoi("-123") == -123);
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assert(atol("-2146483647") == -2146483647L);
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assert(atoll("-9223372036854775806") == -9223372036854775806LL);
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assert(!strcmp("123", "123"));
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char st1[32];
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itoa(-2341, st1);
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assert(!strcmp(st1, "-2341"));
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assert(strlen("12345") == 5);
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assert(abs(4) == 4);
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assert(abs(-4) == 4);
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assert(labs(1000000000) == 1000000000);
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assert(labs(-1000000000) == 1000000000);
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assert(llabs(100000000000) == 100000000000);
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assert(llabs(-100000000000) == 100000000000);
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div_t output1 = div(27, 4);
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assert(output1.quot == 6);
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assert(output1.rem == 3);
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ldiv_t output2 = ldiv(27, 4);
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assert(output2.quot == 6);
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assert(output2.rem == 3);
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lldiv_t output3 = lldiv(27, 4);
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assert(output3.quot == 6);
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assert(output3.rem == 3);
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char* st2 = malloc(sizeof(char) * 2);
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assert(st2 != NULL);
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st2[0] = 'H';
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st2[1] = 'i';
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st2 = realloc(st2, sizeof(char) * 3);
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st2[2] = '!';
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assert(!strcmp(st2, "Hi!"));
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free(st2);
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st2 = calloc(2, sizeof(char));
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assert(st2 != NULL);
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st2[0] = 'H';
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st2[1] = 'i';
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assert(!strcmp(st2, "Hi"));
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free(st2);
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char* start = "100.00 Rub";
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char* end;
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assert(strtol(start, &end, 10) == 100L);
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assert(!strcmp(end, ".00 Rub"));
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end = NULL;
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assert(strtod(start, &end) == 100.0);
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assert(!strcmp(end, " Rub"));
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char* st3 = "21.3e3Hello World!";
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assert(atof(st3) == 21300.0);
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int nums[10] = { 5, 3, 9, 1, 8, 4, 2, 0, 7, 6 };
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qsort(nums, 10, sizeof(int), (int (*)(const void*, const void*))comp);
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for (int i = 0; i < 10; i++) {
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assert(nums[i] == i);
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}
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time_t libc_time = time(NULL);
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struct tm* libc_tm = localtime(&libc_time);
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printf(asctime(libc_tm));
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puts("End testing.");
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exit(0);
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}
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