cxx/test/strings/char.traits/char.traits.specializations/char.traits.specializations.wchar.t/compare.pass.cpp
Howard Hinnant bc8d3f97eb libcxx initial import
git-svn-id: https://llvm.org/svn/llvm-project/libcxx/trunk@103490 91177308-0d34-0410-b5e6-96231b3b80d8
2010-05-11 19:42:16 +00:00

41 lines
1.6 KiB
C++

//===----------------------------------------------------------------------===//
//
// ÊÊÊÊÊÊÊÊÊÊÊÊÊÊÊÊÊÊÊÊThe LLVM Compiler Infrastructure
//
// This file is distributed under the University of Illinois Open Source
// License. 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(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);
}