thodg/libgit2/tests/util/iconv.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/iconv.c

• #include "clar_libgit2.h"
  #include "fs_path.h"
  
  #ifdef GIT_USE_ICONV
  static git_fs_path_iconv_t ic;
  static char *nfc = "\xC3\x85\x73\x74\x72\xC3\xB6\x6D";
  static char *nfd = "\x41\xCC\x8A\x73\x74\x72\x6F\xCC\x88\x6D";
  #endif
  
  void test_iconv__initialize(void)
  {
  #ifdef GIT_USE_ICONV
  	cl_git_pass(git_fs_path_iconv_init_precompose(&ic));
  #endif
  }
  
  void test_iconv__cleanup(void)
  {
  #ifdef GIT_USE_ICONV
  	git_fs_path_iconv_clear(&ic);
  #endif
  }
  
  void test_iconv__unchanged(void)
  {
  #ifdef GIT_USE_ICONV
  	const char *data = "Ascii data", *original = data;
  	size_t datalen = strlen(data);
  
  	cl_git_pass(git_fs_path_iconv(&ic, &data, &datalen));
  	GIT_UNUSED(datalen);
  
  	/* There are no high bits set, so this should leave data untouched */
  	cl_assert(data == original);
  #endif
  }
  
  void test_iconv__decomposed_to_precomposed(void)
  {
  #ifdef GIT_USE_ICONV
  	const char *data = nfd;
  	size_t datalen, nfdlen = strlen(nfd);
  
  	datalen = nfdlen;
  	cl_git_pass(git_fs_path_iconv(&ic, &data, &datalen));
  	GIT_UNUSED(datalen);
  
  	/* The decomposed nfd string should be transformed to the nfc form
  	 * (on platforms where iconv is enabled, of course).
  	 */
  	cl_assert_equal_s(nfc, data);
  
  	/* should be able to do it multiple times with the same git_fs_path_iconv_t */
  	data = nfd; datalen = nfdlen;
  	cl_git_pass(git_fs_path_iconv(&ic, &data, &datalen));
  	cl_assert_equal_s(nfc, data);
  
  	data = nfd; datalen = nfdlen;
  	cl_git_pass(git_fs_path_iconv(&ic, &data, &datalen));
  	cl_assert_equal_s(nfc, data);
  #endif
  }
  
  void test_iconv__precomposed_is_unmodified(void)
  {
  #ifdef GIT_USE_ICONV
  	const char *data = nfc;
  	size_t datalen = strlen(nfc);
  
  	cl_git_pass(git_fs_path_iconv(&ic, &data, &datalen));
  	GIT_UNUSED(datalen);
  
  	/* data is already in precomposed form, so even though some bytes have
  	 * the high-bit set, the iconv transform should result in no change.
  	 */
  	cl_assert_equal_s(nfc, data);
  #endif
  }
  

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