diff options
Diffstat (limited to 'libstdc++-v3/testsuite/21_strings/basic_string/cons/wchar_t/moveable2_c++17.cc')
-rw-r--r-- | libstdc++-v3/testsuite/21_strings/basic_string/cons/wchar_t/moveable2_c++17.cc | 53 |
1 files changed, 53 insertions, 0 deletions
diff --git a/libstdc++-v3/testsuite/21_strings/basic_string/cons/wchar_t/moveable2_c++17.cc b/libstdc++-v3/testsuite/21_strings/basic_string/cons/wchar_t/moveable2_c++17.cc new file mode 100644 index 00000000000..1241f4385a8 --- /dev/null +++ b/libstdc++-v3/testsuite/21_strings/basic_string/cons/wchar_t/moveable2_c++17.cc @@ -0,0 +1,53 @@ +// { dg-options "-std=gnu++17" } +// { dg-do run { target c++1z } } + +// Copyright (C) 2011-2017 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/>. + +// NOTE: This makes use of the fact that we know how moveable +// is implemented on string (via swap). If the implementation changed +// this test may begin to fail. + +#include <string> +#include <utility> +#include <testsuite_hooks.h> + +class tstring : public std::basic_string<wchar_t> +{ +public: + tstring() : std::basic_string<wchar_t>() {} + tstring(tstring&& s) : std::basic_string<wchar_t>(std::move(s)) {} + tstring& operator=(tstring&& s) = default; +}; + +void test01() +{ + tstring a, b; + a.push_back(L'1'); + b = std::move(a); + VERIFY( b.size() == 1 && b[0] == L'1' && a.size() == 0 ); + + tstring c(std::move(b)); + VERIFY( c.size() == 1 && c[0] == L'1' ); + VERIFY( b.size() == 0 ); +} + +int main() +{ + test01(); + return 0; +} |