1//===----------------------------------------------------------------------===// 2// 3// The LLVM Compiler Infrastructure 4// 5// This file is dual licensed under the MIT and the University of Illinois Open 6// Source Licenses. See LICENSE.TXT for details. 7// 8//===----------------------------------------------------------------------===// 9 10// <string> 11 12// template<> struct char_traits<wchar_t> 13 14// static int compare(const char_type* s1, const char_type* s2, size_t n); 15 16#include <string> 17#include <cassert> 18 19int main() 20{ 21 assert(std::char_traits<wchar_t>::compare(L"", L"", 0) == 0); 22 assert(std::char_traits<wchar_t>::compare(NULL, NULL, 0) == 0); 23 24 assert(std::char_traits<wchar_t>::compare(L"1", L"1", 1) == 0); 25 assert(std::char_traits<wchar_t>::compare(L"1", L"2", 1) < 0); 26 assert(std::char_traits<wchar_t>::compare(L"2", L"1", 1) > 0); 27 28 assert(std::char_traits<wchar_t>::compare(L"12", L"12", 2) == 0); 29 assert(std::char_traits<wchar_t>::compare(L"12", L"13", 2) < 0); 30 assert(std::char_traits<wchar_t>::compare(L"12", L"22", 2) < 0); 31 assert(std::char_traits<wchar_t>::compare(L"13", L"12", 2) > 0); 32 assert(std::char_traits<wchar_t>::compare(L"22", L"12", 2) > 0); 33 34 assert(std::char_traits<wchar_t>::compare(L"123", L"123", 3) == 0); 35 assert(std::char_traits<wchar_t>::compare(L"123", L"223", 3) < 0); 36 assert(std::char_traits<wchar_t>::compare(L"123", L"133", 3) < 0); 37 assert(std::char_traits<wchar_t>::compare(L"123", L"124", 3) < 0); 38 assert(std::char_traits<wchar_t>::compare(L"223", L"123", 3) > 0); 39 assert(std::char_traits<wchar_t>::compare(L"133", L"123", 3) > 0); 40 assert(std::char_traits<wchar_t>::compare(L"124", L"123", 3) > 0); 41} 42