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Diffstat (limited to '')
| -rw-r--r-- | tests/util/utf8.c | 20 |
1 files changed, 20 insertions, 0 deletions
diff --git a/tests/util/utf8.c b/tests/util/utf8.c new file mode 100644 index 0000000..3987603 --- /dev/null +++ b/tests/util/utf8.c @@ -0,0 +1,20 @@ +#include "clar_libgit2.h" +#include "utf8.h" + +void test_utf8__char_length(void) +{ + cl_assert_equal_i(0, git_utf8_char_length("", 0)); + cl_assert_equal_i(1, git_utf8_char_length("$", 1)); + cl_assert_equal_i(5, git_utf8_char_length("abcde", 5)); + cl_assert_equal_i(1, git_utf8_char_length("\xc2\xa2", 2)); + cl_assert_equal_i(2, git_utf8_char_length("\x24\xc2\xa2", 3)); + cl_assert_equal_i(1, git_utf8_char_length("\xf0\x90\x8d\x88", 4)); + + /* uncontinued character counted as single characters */ + cl_assert_equal_i(2, git_utf8_char_length("\x24\xc2", 2)); + cl_assert_equal_i(3, git_utf8_char_length("\x24\xc2\xc2\xa2", 4)); + + /* invalid characters are counted as single characters */ + cl_assert_equal_i(4, git_utf8_char_length("\x24\xc0\xc0\x34", 4)); + cl_assert_equal_i(4, git_utf8_char_length("\x24\xf5\xfd\xc2", 4)); +} |