66 lines
1.6 KiB
C++
66 lines
1.6 KiB
C++
// Copyright (C) 2018-2021 Free Software Foundation, Inc.
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//
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// This file is part of the GNU ISO C++ Library. This library is free
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// software; you can redistribute it and/or modify it under the
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// terms of the GNU General Public License as published by the
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// Free Software Foundation; either version 3, or (at your option)
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// any later version.
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// This library is distributed in the hope that it will be useful,
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// but WITHOUT ANY WARRANTY; without even the implied warranty of
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// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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// GNU General Public License for more details.
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// You should have received a copy of the GNU General Public License along
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// with this library; see the file COPYING3. If not see
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// <http://www.gnu.org/licenses/>.
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// { dg-options "-std=gnu++2a" }
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// { dg-do run { target c++2a } }
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#include <set>
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#include <testsuite_hooks.h>
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void
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test01()
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{
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std::set<int> m;
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VERIFY( ! m.contains( 0 ) );
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VERIFY( ! m.contains( 1 ) );
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m.insert(0);
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VERIFY( m.contains( 0 ) );
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VERIFY( ! m.contains( 1 ) );
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m.insert(1);
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VERIFY( m.contains( 0 ) );
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VERIFY( m.contains( 1 ) );
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}
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struct Zero { };
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bool operator<(Zero, int i) { return 0 < i; }
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bool operator<(int i, Zero) { return i < 0; }
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struct One { };
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bool operator<(One, int i) { return 1 < i; }
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bool operator<(int i, One) { return i < 1; }
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void
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test02()
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{
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std::set<int, std::less<>> m;
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VERIFY( ! m.contains( Zero{} ) );
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VERIFY( ! m.contains( One{} ) );
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m.insert(0);
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VERIFY( m.contains( Zero{} ) );
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VERIFY( ! m.contains( One{} ) );
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m.insert(1);
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VERIFY( m.contains( Zero{} ) );
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VERIFY( m.contains( One{} ) );
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}
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int
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main()
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{
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test01();
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test02();
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}
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