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//===----------------------------------------------------------------------===//
//
// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
// See https://llvm.org/LICENSE.txt for license information.
// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
//
//===----------------------------------------------------------------------===//
// UNSUPPORTED: c++03, c++11
#include <string>
#include <cassert>
#include "test_macros.h"
#ifndef TEST_HAS_NO_CHAR8_T
typedef std::u8string u8string;
#else
typedef std::string u8string;
#endif
int main(int, char**) {
{
using namespace std::literals::string_literals;
ASSERT_SAME_TYPE(decltype( "Hi"s), std::string);
ASSERT_SAME_TYPE(decltype(u8"Hi"s), u8string);
#ifndef TEST_HAS_NO_WIDE_CHARACTERS
ASSERT_SAME_TYPE(decltype( L"Hi"s), std::wstring);
#endif
ASSERT_SAME_TYPE(decltype( u"Hi"s), std::u16string);
ASSERT_SAME_TYPE(decltype( U"Hi"s), std::u32string);
std::string foo;
#ifndef TEST_HAS_NO_WIDE_CHARACTERS
std::wstring Lfoo;
#endif
u8string u8foo;
std::u16string ufoo;
std::u32string Ufoo;
foo = ""s; assert( foo.size() == 0);
u8foo = u8""s; assert(u8foo.size() == 0);
#ifndef TEST_HAS_NO_WIDE_CHARACTERS
Lfoo = L""s; assert( Lfoo.size() == 0);
#endif
ufoo = u""s; assert( ufoo.size() == 0);
Ufoo = U""s; assert( Ufoo.size() == 0);
foo = " "s; assert( foo.size() == 1);
u8foo = u8" "s; assert(u8foo.size() == 1);
#ifndef TEST_HAS_NO_WIDE_CHARACTERS
Lfoo = L" "s; assert( Lfoo.size() == 1);
#endif
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"));
u8foo = u8"ABC"s; assert(u8foo == u8"ABC"); assert(u8foo == u8string (u8"ABC"));
#ifndef TEST_HAS_NO_WIDE_CHARACTERS
Lfoo = L"ABC"s; assert( Lfoo == L"ABC"); assert( Lfoo == std::wstring ( L"ABC"));
#endif
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"));
}
{
using namespace std::literals;
std::string foo = ""s;
assert(foo == std::string());
}
{
using namespace std;
std::string foo = ""s;
assert(foo == std::string());
}
return 0;
}
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