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// -*- 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.
//
//===----------------------------------------------------------------------===//
#include <string>
#include <cassert>
int main()
{
#if _LIBCPP_STD_VER > 11
using namespace std::literals::string_literals;
static_assert ( std::is_same<decltype( "Hi"s), std::string>::value, "" );
static_assert ( std::is_same<decltype( u8"Hi"s), std::string>::value, "" );
static_assert ( std::is_same<decltype( L"Hi"s), std::wstring>::value, "" );
static_assert ( std::is_same<decltype( u"Hi"s), std::u16string>::value, "" );
static_assert ( std::is_same<decltype( U"Hi"s), std::u32string>::value, "" );
std::string foo;
std::wstring Lfoo;
std::u16string ufoo;
std::u32string Ufoo;
foo = ""s; assert( foo.size() == 0);
foo = u8""s; assert( foo.size() == 0);
Lfoo = L""s; assert(Lfoo.size() == 0);
ufoo = u""s; assert(ufoo.size() == 0);
Ufoo = U""s; assert(Ufoo.size() == 0);
foo = " "s; assert( foo.size() == 1);
foo = u8" "s; assert( foo.size() == 1);
Lfoo = L" "s; assert(Lfoo.size() == 1);
ufoo = u" "s; assert(ufoo.size() == 1);
Ufoo = U" "s; assert(Ufoo.size() == 1);
foo = "ABC"s; assert( foo == "ABC"); assert( foo == std::string ( "ABC"));
foo = u8"ABC"s; assert( foo == u8"ABC"); assert( foo == std::string (u8"ABC"));
Lfoo = L"ABC"s; assert(Lfoo == L"ABC"); assert(Lfoo == std::wstring ( L"ABC"));
ufoo = u"ABC"s; assert(ufoo == u"ABC"); assert(ufoo == std::u16string( u"ABC"));
Ufoo = U"ABC"s; assert(Ufoo == U"ABC"); assert(Ufoo == std::u32string( U"ABC"));
#endif
}
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