#include "clar_libgit2.h"

#include "path.h"

#ifdef GIT_USE_ICONV

static git_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_core_iconv__initialize(void)

{

#ifdef GIT_USE_ICONV

	cl_git_pass(git_path_iconv_init_precompose(&ic);;

#endif

}

void test_core_iconv__cleanup(void)

{

#ifdef GIT_USE_ICONV

	git_path_iconv_clear(&ic);

#endif

}

void test_core_iconv__unchanged(void)

{

#ifdef GIT_USE_ICONV

	const char *data = "Ascii data", *original = data;

	size_t datalen = strlen(data);

	cl_git_pass(git_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_core_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_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_path_iconv_t */

	data = nfd; datalen = nfdlen;

	cl_git_pass(git_path_iconv(&ic, &data, &datalen));

	cl_assert_equal_s(nfc, data);

	data = nfd; datalen = nfdlen;

	cl_git_pass(git_path_iconv(&ic, &data, &datalen));

	cl_assert_equal_s(nfc, data);

#endif

}

void test_core_iconv__precomposed_is_unmodified(void)

{

#ifdef GIT_USE_ICONV

	const char *data = nfc;

	size_t datalen = strlen(nfc);

	cl_git_pass(git_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

}