cxx/test/strings/char.traits/char.traits.specializations/char.traits.specializations.char16_t/compare.pass.cpp
Howard Hinnant b64f8b07c1 license change
git-svn-id: https://llvm.org/svn/llvm-project/libcxx/trunk@119395 91177308-0d34-0410-b5e6-96231b3b80d8
2010-11-16 22:09:02 +00:00

43 lines
1.7 KiB
C++

//===----------------------------------------------------------------------===//
//
// 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<char16_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
assert(std::char_traits<char16_t>::compare(u"", u"", 0) == 0);
assert(std::char_traits<char16_t>::compare(u"1", u"1", 1) == 0);
assert(std::char_traits<char16_t>::compare(u"1", u"2", 1) < 0);
assert(std::char_traits<char16_t>::compare(u"2", u"1", 1) > 0);
assert(std::char_traits<char16_t>::compare(u"12", u"12", 2) == 0);
assert(std::char_traits<char16_t>::compare(u"12", u"13", 2) < 0);
assert(std::char_traits<char16_t>::compare(u"12", u"22", 2) < 0);
assert(std::char_traits<char16_t>::compare(u"13", u"12", 2) > 0);
assert(std::char_traits<char16_t>::compare(u"22", u"12", 2) > 0);
assert(std::char_traits<char16_t>::compare(u"123", u"123", 3) == 0);
assert(std::char_traits<char16_t>::compare(u"123", u"223", 3) < 0);
assert(std::char_traits<char16_t>::compare(u"123", u"133", 3) < 0);
assert(std::char_traits<char16_t>::compare(u"123", u"124", 3) < 0);
assert(std::char_traits<char16_t>::compare(u"223", u"123", 3) > 0);
assert(std::char_traits<char16_t>::compare(u"133", u"123", 3) > 0);
assert(std::char_traits<char16_t>::compare(u"124", u"123", 3) > 0);
#endif // _LIBCPP_HAS_NO_UNICODE_CHARS
}