#include <stic.h>
#include <stddef.h> /* size_t */
#include <stdlib.h> /* free() */
#include <string.h> /* strlen() */
#include <wchar.h>
#include <test-utils.h>
#include "../../src/utils/str.h"
#include "../../src/utils/utf8.h"
SETUP_ONCE()
{
try_enable_utf8_locale();
}
TEST(get_real_string_width_full)
{
const char utf8_str[] = "师вгд";
const size_t expected_len = strlen(utf8_str);
const size_t calculated_len = utf8_strsnlen(utf8_str, 5);
assert_int_equal(expected_len, calculated_len);
}
TEST(tabulation_is_counted_correctly)
{
const char utf8_str[] = "ab\tcd";
assert_int_equal(5, utf8_strsw_with_tabs(utf8_str, 1));
assert_int_equal(6, utf8_strsw_with_tabs(utf8_str, 2));
assert_int_equal(5, utf8_strsw_with_tabs(utf8_str, 3));
assert_int_equal(10, utf8_strsw_with_tabs(utf8_str, 8));
}
TEST(get_real_string_width_in_the_middle_a, IF(utf8_locale))
{
#define ENDING "丝刀"
const char utf8_str[] = "师螺" ENDING;
const char utf8_end[] = ENDING;
#undef ENDING
const size_t expected_len = strlen(utf8_str) - strlen(utf8_end);
const size_t calculated_len = utf8_strsnlen(utf8_str, 5);
assert_int_equal(expected_len, calculated_len);
}
TEST(get_real_string_width_in_the_middle_b, IF(utf8_locale))
{
#define ENDING "丝刀"
const char utf8_str[] = "师从螺" ENDING;
const char utf8_end[] = ENDING;
#undef ENDING
const size_t expected_len = strlen(utf8_str) - strlen(utf8_end);
const size_t calculated_len = utf8_strsnlen(utf8_str, 7);
assert_int_equal(expected_len, calculated_len);
}
TEST(length_is_less_or_equal_to_string_length, IF(utf8_locale))
{
const char *str = "01 R\366yksopp - You Know I Have To Go (\326z"
"g\374r \326zkan 5 AM Edit).mp3";
const size_t len = strlen(str);
size_t i;
for(i = 0; i < len; ++i)
{
assert_true(utf8_nstrsnlen(str, i) <= i);
}
}
TEST(utf8_nstrsw_works, IF(utf8_locale))
{
const char str[] = "师从abаб";
/* Full chars. */
assert_int_equal(0, utf8_nstrsw(str, strlen("")));
assert_int_equal(2, utf8_nstrsw(str, strlen("师")));
assert_int_equal(4, utf8_nstrsw(str, strlen("师从")));
assert_int_equal(5, utf8_nstrsw(str, strlen("师从a")));
assert_int_equal(6, utf8_nstrsw(str, strlen("师从ab")));
assert_int_equal(7, utf8_nstrsw(str, strlen("师从abа")));
assert_int_equal(8, utf8_nstrsw(str, strlen("师从abаб")));
assert_int_equal(8, utf8_nstrsw(str, strlen("师从abаб ")));
/* Cut char in half. */
int max = strlen("师");
int i;
for(i = 1; i < max; ++i)
{
assert_int_equal(2, utf8_nstrsw(str, i));
}
}
#ifdef _WIN32
TEST(utf16_roundtrip, IF(utf8_locale))
{
const wchar_t str[] = { 0x79d8, 0 };
char *const utf8 = utf8_from_utf16(str);
wchar_t *const utf16 = utf8_to_utf16(utf8);
assert_true(wcscmp(str, utf16) == 0);
free(utf16);
free(utf8);
}
TEST(first_char, IF(utf8_locale))
{
const wchar_t str[] = { 0x79d8, 0 };
char *const utf8 = utf8_from_utf16(str);
assert_int_equal(0x79d8, get_first_wchar(utf8));
free(utf8);
}
#endif
/* vim: set tabstop=2 softtabstop=2 shiftwidth=2 noexpandtab cinoptions-=(0 : */
/* vim: set cinoptions+=t0 filetype=c : */
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