Mercurial > hg > CbC > CbC_gcc
view libstdc++-v3/testsuite/23_containers/stack/cmp_c++20.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 run { target c++2a } } #include <stack> #include <testsuite_hooks.h> void test01() { std::stack<int> c1{ {1, 2, 3} }, c2{ {1, 2, 3, 4} }, c3{ {1, 2, 4} }; VERIFY( c1 == c1 ); VERIFY( std::is_eq(c1 <=> c1) ); VERIFY( c1 < c2 ); VERIFY( std::is_lt(c1 <=> c2) ); VERIFY( c1 < c3 ); VERIFY( std::is_lt(c1 <=> c3) ); VERIFY( c2 < c3 ); VERIFY( std::is_lt(c2 <=> c3) ); static_assert( std::totally_ordered<std::stack<int>> ); static_assert( std::three_way_comparable<std::stack<int>, std::strong_ordering> ); static_assert( ! std::three_way_comparable<std::stack<float>, std::strong_ordering> ); static_assert( ! std::three_way_comparable<std::stack<float>, std::weak_ordering> ); static_assert( std::three_way_comparable<std::stack<float>, std::partial_ordering> ); struct E { bool operator==(E) { return true; } }; static_assert( ! std::three_way_comparable<E> ); static_assert( ! std::three_way_comparable<std::stack<E>> ); } int main() { test01(); }