thodg/libgit2/tests/util/memmem.c

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• Hash : e6d93612
  Author :
  Date : 2021-11-16T23:59:43
  

  refactor: move utility tests into util

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• tests/util/memmem.c

• #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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