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#include "clar_libgit2.h"
static void assert_found(const char *haystack, const char *needle, size_t expected_pos)
{
cl_assert_equal_p(git__memmem(haystack, haystack ? strlen(haystack) : 0,
needle, needle ? strlen(needle) : 0),
haystack + expected_pos);
}
static void assert_absent(const char *haystack, const char *needle)
{
cl_assert_equal_p(git__memmem(haystack, haystack ? strlen(haystack) : 0,
needle, needle ? strlen(needle) : 0),
NULL);
}
void test_memmem__found(void)
{
assert_found("a", "a", 0);
assert_found("ab", "a", 0);
assert_found("ba", "a", 1);
assert_found("aa", "a", 0);
assert_found("aab", "aa", 0);
assert_found("baa", "aa", 1);
assert_found("dabc", "abc", 1);
assert_found("abababc", "abc", 4);
}
void test_memmem__absent(void)
{
assert_absent("a", "b");
assert_absent("a", "aa");
assert_absent("ba", "ab");
assert_absent("ba", "ab");
assert_absent("abc", "abcd");
assert_absent("abcabcabc", "bcac");
}
void test_memmem__edgecases(void)
{
assert_absent(NULL, NULL);
assert_absent("a", NULL);
assert_absent(NULL, "a");
assert_absent("", "a");
assert_absent("a", "");
}
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