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- // { dg-do run { target c++11 } }
- // Copyright (C) 2015-2022 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 = "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 = "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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