Mercurial > hg > CbC > CbC_gcc
view libstdc++-v3/testsuite/std/ranges/iota/lwg3292_neg.cc @ 152:2b5abeee2509
update gcc11
author | anatofuz |
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date | Mon, 25 May 2020 07:50:57 +0900 |
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// Copyright (C) 2020 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/>. // { dg-options "-std=gnu++2a" } // { dg-do compile { target c++2a } } #include <sstream> #include <ranges> namespace ranges = std::ranges; namespace views = std::views; void test01() { std::istringstream s("1 2 3 4 5"); auto v = ranges::istream_view<int>(s); auto i = v.begin(); static_assert(!std::semiregular<decltype(i)>); auto o = views::iota(std::move(i)); static_assert(false); // { dg-error "" } } // { dg-prune-output "no match" } // { dg-prune-output "deduction failed" } // { dg-prune-output "constraint failure" }