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// Copyright (C) 2019-2022 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/>.
// { dg-options "-std=gnu++2a" }
// { dg-add-options libatomic }
// { dg-do run { target c++2a } }
#include <stop_token>
#include <testsuite_hooks.h>
void
test01()
{
std::stop_source ssrc;
VERIFY( ssrc.stop_possible() );
VERIFY( !ssrc.stop_requested() );
VERIFY( ssrc == ssrc );
VERIFY( !(ssrc != ssrc) );
std::stop_source copy(ssrc);
VERIFY( copy.stop_possible() );
VERIFY( !copy.stop_requested() );
VERIFY( ssrc.stop_possible() );
VERIFY( !ssrc.stop_requested() );
VERIFY( copy == ssrc );
VERIFY( !(copy != ssrc) );
VERIFY( ssrc == ssrc );
VERIFY( !(ssrc != ssrc) );
std::stop_source move(std::move(ssrc));
VERIFY( move.stop_possible() );
VERIFY( !move.stop_requested() );
VERIFY( copy.stop_possible() );
VERIFY( !copy.stop_requested() );
VERIFY( !ssrc.stop_possible() );
VERIFY( !ssrc.stop_requested() );
VERIFY( !(move == ssrc) );
VERIFY( move != ssrc );
VERIFY( ssrc == ssrc );
VERIFY( !(ssrc != ssrc) );
VERIFY( move == copy );
VERIFY( !(move != copy) );
VERIFY( !(copy == ssrc) );
VERIFY( copy != ssrc );
}
void
test02()
{
// stop_source(nostopstate_t) constructor is explicit:
static_assert(!std::is_convertible_v<std::nostopstate_t, std::stop_source>);
std::stop_source ssrc(std::nostopstate);
VERIFY( !ssrc.stop_possible() );
VERIFY( !ssrc.stop_requested() );
VERIFY( ssrc == ssrc );
VERIFY( !(ssrc != ssrc) );
std::stop_source copy(ssrc);
VERIFY( !copy.stop_possible() );
VERIFY( !copy.stop_requested() );
VERIFY( !ssrc.stop_possible() );
VERIFY( !ssrc.stop_requested() );
VERIFY( copy == ssrc );
VERIFY( !(copy != ssrc) );
VERIFY( ssrc == ssrc );
VERIFY( !(ssrc != ssrc) );
std::stop_source move(std::move(ssrc));
VERIFY( !move.stop_possible() );
VERIFY( !move.stop_requested() );
VERIFY( !copy.stop_possible() );
VERIFY( !copy.stop_requested() );
VERIFY( !ssrc.stop_possible() );
VERIFY( !ssrc.stop_requested() );
VERIFY( move == ssrc );
VERIFY( !(move != ssrc) );
VERIFY( ssrc == ssrc );
VERIFY( !(ssrc != ssrc) );
VERIFY( move == copy );
VERIFY( !(move != copy) );
VERIFY( copy == ssrc );
VERIFY( !(copy != ssrc) );
}
void
test03()
{
std::stop_source s1;
std::stop_source copy(s1);
s1.request_stop();
std::stop_source s2(std::nostopstate);
VERIFY( s1 != s2 );
s1.swap(s2);
VERIFY( !s1.stop_possible() );
VERIFY( !s1.stop_requested() );
VERIFY( s2.stop_possible() );
VERIFY( s2.stop_requested() );
VERIFY( s1 != s2 );
VERIFY( s2 == copy );
swap(s1, s2);
VERIFY( s1.stop_possible() );
VERIFY( s1.stop_requested() );
VERIFY( !s2.stop_possible() );
VERIFY( !s2.stop_requested() );
VERIFY( s1 == copy );
}
int main()
{
test01();
test02();
test03();
}