thodg/libgit2/tests/core/utf8.c
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Hash : cb136cdd
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Date : 2021-04-14T22:22:11
utf8: introduce git_utf8_char_length Introduce a function to determine the number of Unicode characters in a given UTF-8 string.
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tests/core/utf8.c
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#include "clar_libgit2.h" void test_core_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)); }