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//===----------------------------------------------------------------------===//
//
// 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<wchar_t>
// static int compare(const char_type* s1, const char_type* s2, size_t n);
#include <string>
#include <cassert>
int main()
{
assert(std::char_traits<wchar_t>::compare(L"", L"", 0) == 0);
assert(std::char_traits<wchar_t>::compare(NULL, NULL, 0) == 0);
assert(std::char_traits<wchar_t>::compare(L"1", L"1", 1) == 0);
assert(std::char_traits<wchar_t>::compare(L"1", L"2", 1) < 0);
assert(std::char_traits<wchar_t>::compare(L"2", L"1", 1) > 0);
assert(std::char_traits<wchar_t>::compare(L"12", L"12", 2) == 0);
assert(std::char_traits<wchar_t>::compare(L"12", L"13", 2) < 0);
assert(std::char_traits<wchar_t>::compare(L"12", L"22", 2) < 0);
assert(std::char_traits<wchar_t>::compare(L"13", L"12", 2) > 0);
assert(std::char_traits<wchar_t>::compare(L"22", L"12", 2) > 0);
assert(std::char_traits<wchar_t>::compare(L"123", L"123", 3) == 0);
assert(std::char_traits<wchar_t>::compare(L"123", L"223", 3) < 0);
assert(std::char_traits<wchar_t>::compare(L"123", L"133", 3) < 0);
assert(std::char_traits<wchar_t>::compare(L"123", L"124", 3) < 0);
assert(std::char_traits<wchar_t>::compare(L"223", L"123", 3) > 0);
assert(std::char_traits<wchar_t>::compare(L"133", L"123", 3) > 0);
assert(std::char_traits<wchar_t>::compare(L"124", L"123", 3) > 0);
}
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