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path: root/src/user/app/tests/libc/string.c
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#include "../tests.h"
#include <string.h>

static void test_memcmp(void) {
	test(0 == memcmp("some", "thing", 0));
	test(0 != memcmp("some", "thing", 1));
	test(0 != memcmp("some", "thing", 4));

	test(0 == memcmp("test", "tennis",  0));
	test(0 == memcmp("test", "tennis",  1));
	test(0 == memcmp("test", "tennis",  2));
	test(0 != memcmp("test", "tennis",  3));
	test(0 != memcmp("test", "tennis",  4));
	test(0 != memcmp("test", "tennis",  5));

	test(0 > memcmp("foo", "moo", 4));
	test(0 < memcmp("moo", "foo", 4));
	test(0 > memcmp("555", "654", 3));
	test(0 < memcmp("654", "555", 3));
}

static void test_strcmp(void) {
	test(0 == strcmp("string", "string"));
	test(0 > strcmp("str", "string"));
	test(0 < strcmp("string", "str"));

	test(0 != strcmp("stress", "string"));
}

static void test_strtol(void) {
	char *end;
	test(1234 == strtol("1234", NULL, 10));
	test(1234 == strtol("+1234", NULL, 10));
	test(-1234 == strtol("-1234", NULL, 10));

	test(1234 == strtol("1234", &end, 10));
	test(!strcmp("", end));
	test(1234 == strtol("   1234hello", &end, 10));
	test(!strcmp("hello", end));

	test(1234 == strtol("   1234hello", &end, 0));
	test(!strcmp("hello", end));
	test(0xCAF3 == strtol("   0xCaF3hello", &end, 0));
	test(!strcmp("hello", end));
	test(01234 == strtol("   01234hello", &end, 0));
	test(!strcmp("hello", end));
}

void r_libc_string(void) {
	run_test(test_memcmp);
	run_test(test_strcmp);
	run_test(test_strtol);
}