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// { dg-do run { target c++11 } }
// Copyright (C) 2015-2016 Free Software Foundation, Inc.
//
// This file is part of the GNU ISO C++ Library. This library is free
// software; you can redistribute it and/or modify it under the
// terms of the GNU General Public License as published by the
// Free Software Foundation; either version 3, or (at your option)
// any later version.
// This library is distributed in the hope that it will be useful,
// but WITHOUT ANY WARRANTY; without even the implied warranty of
// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
// GNU General Public License for more details.
// You should have received a copy of the GNU General Public License along
// with this library; see the file COPYING3. If not see
// <http://www.gnu.org/licenses/>.
// 22.3.3.2.2 String conversions
#include <locale>
#include <string>
#include <testsuite_hooks.h>
template<typename Elem>
struct cvt : std::codecvt<Elem, char, std::mbstate_t> { };
template<typename Elem>
using str_conv = std::wstring_convert<cvt<Elem>, Elem>;
using std::string;
using std::u16string;
using std::u32string;
// test conversion errors, with and without error strings
void test01()
{
typedef str_conv<char> sc;
const sc::byte_string berr = "invalid wide string";
const sc::wide_string werr = u8"invalid byte string";
sc c(berr, werr);
string input = "Stop";
input += char(0xFF);
string woutput = c.from_bytes(input);
VERIFY( input == woutput ); // noconv case doesn't detect invalid input
string winput = u8"Stop";
winput += char(0xFF);
string output = c.to_bytes(winput);
VERIFY( winput == output ); // noconv case doesn't detect invalid input
}
void test02()
{
typedef str_conv<char16_t> sc;
const sc::byte_string berr = "invalid wide string";
const sc::wide_string werr = u"invalid byte string";
sc c(berr, werr);
string input = "Stop";
input += char(0xFF);
u16string woutput = c.from_bytes(input);
VERIFY( werr == woutput );
u16string winput = u"Stop";
winput += char16_t(0xDC00);
string output = c.to_bytes(winput);
VERIFY( berr == output );
}
void test03()
{
typedef str_conv<char32_t> sc;
const sc::byte_string berr = "invalid wide string";
const sc::wide_string werr = U"invalid byte string";
sc c(berr, werr);
string input = "Halt";
input += char(0xff);
u32string woutput = c.from_bytes(input);
VERIFY( werr == woutput );
u32string winput = U"Halt";
winput += char32_t(-1);
string output = c.to_bytes(winput);
VERIFY( berr == output );
}
int main()
{
test01();
test02();
test03();
}
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