Mercurial > hg > CbC > CbC_gcc
view libstdc++-v3/testsuite/24_iterators/istreambuf_iterator/sentinel.cc @ 152:2b5abeee2509
update gcc11
author | anatofuz |
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date | Mon, 25 May 2020 07:50:57 +0900 |
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// { dg-options "-std=gnu++2a" } // { dg-do run { target c++2a } } // 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/>. #include <iterator> #include <sstream> #include <testsuite_hooks.h> void test01() { static_assert( std::sentinel_for<std::default_sentinel_t, std::istreambuf_iterator<char>> ); std::istreambuf_iterator<char> i = std::default_sentinel; VERIFY( i == std::default_sentinel ); VERIFY( std::default_sentinel == i ); } void test02() { std::istringstream in("abc"); std::istreambuf_iterator<char> iter(in); VERIFY( iter != std::default_sentinel ); VERIFY( std::default_sentinel != iter ); std::next(iter, 3); VERIFY( iter == std::default_sentinel ); VERIFY( std::default_sentinel == iter ); } int main() { test01(); test02(); }