mirror of https://github.com/tailix/libclayer.git
215 lines
6.9 KiB
C
215 lines
6.9 KiB
C
#include <libclayer/string.h>
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#include <assert.h>
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#include <stddef.h>
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#define COUNT 1024
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static char aaa[COUNT], bbb[COUNT];
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#define memcmp LIBCLAYER(memcmp)
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#define memcpy LIBCLAYER(memcpy)
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#define memmove LIBCLAYER(memmove)
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#define memchr LIBCLAYER(memchr)
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#define memset LIBCLAYER(memset)
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#define strcat LIBCLAYER(strcat)
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#define strchr LIBCLAYER(strchr)
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#define strcmp LIBCLAYER(strcmp)
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#define strcpy LIBCLAYER(strcpy)
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#define strlen LIBCLAYER(strlen)
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#define strncat LIBCLAYER(strncat)
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#define strncmp LIBCLAYER(strncmp)
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#define strncpy LIBCLAYER(strncpy)
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#define strnlen LIBCLAYER(strnlen)
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#define strstr LIBCLAYER(strstr)
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void test_main()
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{
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{ // memcmp
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for (size_t i = 0; i < COUNT; ++i) aaa[i] = bbb[i] = i * i;
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assert(memcmp(aaa, bbb, COUNT) == 0);
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aaa[123] = 1;
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bbb[123] = 2;
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assert(memcmp(aaa, bbb, COUNT) == -1);
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aaa[123] = 2;
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bbb[123] = 1;
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assert(memcmp(aaa, bbb, COUNT) == 1);
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}
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{ // memcpy
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for (size_t i = 0; i < COUNT; ++i) { aaa[i] = 0; bbb[i] = i * i; }
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assert(memcpy(aaa, bbb, COUNT) == aaa);
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for (size_t i = 0; i < COUNT; ++i) assert(aaa[i] == (char)(i * i));
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}
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{ // memmove
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for (size_t i = 0; i < COUNT; ++i) { aaa[i] = 0; bbb[i] = i * i; }
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assert(memcpy(aaa, bbb, COUNT) == aaa);
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for (size_t i = 0; i < COUNT; ++i) assert(aaa[i] == (char)(i * i));
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}
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{ // memchr
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for (size_t i = 0; i < COUNT; ++i) aaa[i] = 0;
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aaa[256] = 'a';
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assert(memchr(aaa, 'a', COUNT) == &aaa[256]);
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}
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{ // memset
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memset(&aaa[0], 'a', COUNT / 2);
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memset(&aaa[COUNT / 2], 'b', COUNT / 2);
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for (size_t i = 0; i < COUNT / 2; ++i) assert(aaa[i] == 'a');
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for (size_t i = COUNT / 2; i < COUNT; ++i) assert(aaa[i] == 'b');
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}
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{ // strcat
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aaa[0] = 'f'; aaa[1] = 'o'; aaa[2] = 'o'; aaa[3] = '\0';
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strcat(aaa, "bar");
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for (const char *e = "foobar", *g = aaa; *e; ++e, ++g) assert(*g == *e);
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assert(aaa[6] == '\0');
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}
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{ // strchr
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const char *const s = "foobar";
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assert(strchr(s, 'f') == &s[0]);
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assert(strchr(s, 'b') == &s[3]);
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assert(strchr(s, 'r') == &s[5]);
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assert(strchr(s, 'x') == NULL);
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assert(strchr(s, 'F') == NULL);
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}
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{ // strcmp
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assert(strcmp("", "") == 0);
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assert(strcmp("", "a") == -1);
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assert(strcmp("a", "") == 1);
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assert(strcmp("a", "a") == 0);
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assert(strcmp("a", "aa") == -1);
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assert(strcmp("aa", "a") == 1);
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assert(strcmp("aa", "ab") == -1);
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assert(strcmp("ab", "aa") == 1);
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assert(strcmp("aa", "aa") == 0);
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}
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{ // strcpy
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assert(strcpy(aaa, "foobar") == aaa);
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for (const char *e = "foobar", *g = aaa; *e; ++e, ++g) assert(*g == *e);
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assert(aaa[6] == '\0');
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}
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{ // strlen
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assert(strlen("") == 0);
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assert(strlen("a") == 1);
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assert(strlen("aa") == 2);
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assert(strlen("aaaaaaaaaa") == 10);
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}
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{ // strncat
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memset(aaa, '\x01', COUNT);
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aaa[0] = 'f'; aaa[1] = 'o'; aaa[2] = 'o'; aaa[3] = '\0';
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strncat(aaa, "bar", 4);
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for (const char *e = "foobar", *g = aaa; *e; ++e, ++g) assert(*g == *e);
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assert(aaa[6] == '\0');
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memset(aaa, '\x01', COUNT);
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aaa[0] = 'f'; aaa[1] = 'o'; aaa[2] = 'o'; aaa[3] = '\0';
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strncat(aaa, "bar", 3);
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for (const char *e = "foobar", *g = aaa; *e; ++e, ++g) assert(*g == *e);
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assert(aaa[6] == '\0');
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memset(aaa, '\x01', COUNT);
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aaa[0] = 'f'; aaa[1] = 'o'; aaa[2] = 'o'; aaa[3] = '\0';
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strncat(aaa, "bar", 2);
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for (const char *e = "fooba", *g = aaa; *e; ++e, ++g) assert(*g == *e);
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assert(aaa[5] == '\0');
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memset(aaa, '\x01', COUNT);
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aaa[0] = 'f'; aaa[1] = 'o'; aaa[2] = 'o'; aaa[3] = '\0';
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strncat(aaa, "bar", 1);
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for (const char *e = "foob", *g = aaa; *e; ++e, ++g) assert(*g == *e);
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assert(aaa[4] == '\0');
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memset(aaa, '\x01', COUNT);
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aaa[0] = 'f'; aaa[1] = 'o'; aaa[2] = 'o'; aaa[3] = '\0';
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strncat(aaa, "bar", 0);
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for (const char *e = "foo", *g = aaa; *e; ++e, ++g) assert(*g == *e);
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assert(aaa[3] == '\0');
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}
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{ // strncmp
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assert(strncmp("", "", 0) == 0);
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assert(strncmp("", "a", 0) == 0);
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assert(strncmp("a", "", 0) == 0);
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assert(strncmp("a", "a", 0) == 0);
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assert(strncmp("", "a", 1) == -1);
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assert(strncmp("a", "", 1) == 1);
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assert(strncmp("a", "a", 1) == 0);
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assert(strncmp("a", "aa", 1) == 0);
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assert(strncmp("aa", "a", 1) == 0);
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assert(strncmp("aa", "ab", 1) == 0);
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assert(strncmp("ab", "aa", 1) == 0);
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assert(strncmp("aa", "aa", 1) == 0);
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assert(strncmp("aa", "ba", 1) == -1);
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assert(strncmp("ba", "aa", 1) == 1);
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assert(strncmp("ab", "ab", 1) == 0);
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assert(strncmp("a", "aa", 2) == -1);
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assert(strncmp("aa", "a", 2) == 1);
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assert(strncmp("aa", "ab", 2) == -1);
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assert(strncmp("ab", "aa", 2) == 1);
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assert(strncmp("aa", "aa", 2) == 0);
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}
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{ // strncpy
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aaa[6] = 'x';
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assert(strncpy(aaa, "foobar", 7) == aaa);
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for (const char *e = "foobar", *g = aaa; *e; ++e, ++g) assert(*g == *e);
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assert(aaa[6] == '\0');
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aaa[6] = 'x';
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assert(strncpy(aaa, "foobar", 6) == aaa);
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for (const char *e = "foobar", *g = aaa; *e; ++e, ++g) assert(*g == *e);
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assert(aaa[6] == 'x');
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}
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{ // strnlen
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assert(strnlen("", 0) == 0);
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assert(strnlen("", 1) == 0);
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assert(strnlen("", 123) == 0);
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assert(strnlen("a", 0) == 0);
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assert(strnlen("a", 1) == 1);
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assert(strnlen("a", 123) == 1);
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assert(strnlen("aa", 0) == 0);
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assert(strnlen("aa", 1) == 1);
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assert(strnlen("aa", 2) == 2);
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assert(strnlen("aa", 123) == 2);
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assert(strnlen("aaaaaaaaaa", 0) == 0);
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assert(strnlen("aaaaaaaaaa", 9) == 9);
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assert(strnlen("aaaaaaaaaa", 10) == 10);
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assert(strnlen("aaaaaaaaaa", 123) == 10);
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}
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{ // strstr
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const char *const s0 = "";
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assert(strstr(s0, "") == s0);
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assert(strstr(s0, "x") == NULL);
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const char *const s1 = "a";
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assert(strstr(s1, "") == s1);
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assert(strstr(s1, "a") == s1);
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assert(strstr(s1, "ab") == NULL);
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assert(strstr(s1, "x") == NULL);
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const char *const s2 = "ab";
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assert(strstr(s2, "") == s2);
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assert(strstr(s2, "a") == s2);
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assert(strstr(s2, "ab") == s2);
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assert(strstr(s2, "abc") == NULL);
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assert(strstr(s2, "b") == &s2[1]);
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assert(strstr(s2, "bc") == NULL);
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assert(strstr(s2, "x") == NULL);
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const char *const s6 = "abcdef";
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assert(strstr(s6, "abcdef") == s6);
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assert(strstr(s6, "def") == &s6[3]);
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assert(strstr(s6, "f") == &s6[5]);
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}
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}
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