| //===----------------------------------------------------------------------===// |
| // |
| // The LLVM Compiler Infrastructure |
| // |
| // This file is dual licensed under the MIT and the University of Illinois Open |
| // Source Licenses. See LICENSE.TXT for details. |
| // |
| //===----------------------------------------------------------------------===// |
| |
| // <string> |
| |
| // template<> struct char_traits<char32_t> |
| |
| // static int compare(const char_type* s1, const char_type* s2, size_t n); |
| |
| #include <string> |
| #include <cassert> |
| |
| int main() |
| { |
| #ifndef _LIBCPP_HAS_NO_UNICODE_CHARS |
| #if __cplusplus >= 201103L |
| assert(std::char_traits<char32_t>::compare(U"", U"", 0) == 0); |
| assert(std::char_traits<char32_t>::compare(NULL, NULL, 0) == 0); |
| |
| assert(std::char_traits<char32_t>::compare(U"1", U"1", 1) == 0); |
| assert(std::char_traits<char32_t>::compare(U"1", U"2", 1) < 0); |
| assert(std::char_traits<char32_t>::compare(U"2", U"1", 1) > 0); |
| |
| assert(std::char_traits<char32_t>::compare(U"12", U"12", 2) == 0); |
| assert(std::char_traits<char32_t>::compare(U"12", U"13", 2) < 0); |
| assert(std::char_traits<char32_t>::compare(U"12", U"22", 2) < 0); |
| assert(std::char_traits<char32_t>::compare(U"13", U"12", 2) > 0); |
| assert(std::char_traits<char32_t>::compare(U"22", U"12", 2) > 0); |
| |
| assert(std::char_traits<char32_t>::compare(U"123", U"123", 3) == 0); |
| assert(std::char_traits<char32_t>::compare(U"123", U"223", 3) < 0); |
| assert(std::char_traits<char32_t>::compare(U"123", U"133", 3) < 0); |
| assert(std::char_traits<char32_t>::compare(U"123", U"124", 3) < 0); |
| assert(std::char_traits<char32_t>::compare(U"223", U"123", 3) > 0); |
| assert(std::char_traits<char32_t>::compare(U"133", U"123", 3) > 0); |
| assert(std::char_traits<char32_t>::compare(U"124", U"123", 3) > 0); |
| #endif |
| #endif // _LIBCPP_HAS_NO_UNICODE_CHARS |
| } |