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63 lines
1.6 KiB
C++
63 lines
1.6 KiB
C++
// { dg-options "-std=gnu++2a" }
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// { dg-do run { target c++2a } }
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// Copyright (C) 2018-2019 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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#include <deque>
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#include <testsuite_hooks.h>
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#ifndef __cpp_lib_erase_if
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# error "Feature-test macro for erase_if missing"
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#elif __cpp_lib_erase_if < 201811
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# error "Feature-test macro for erase_if has wrong value"
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#endif
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void
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test01()
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{
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auto is_odd = [](const int i) { return i % 2 != 0; };
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std::deque<int> d{ 10, 11, 12, 14, 15, 17, 18, 19 };
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auto num = std::erase_if(d, is_odd);
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std::deque<int> t{ 10, 12, 14, 18 };
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VERIFY( d == t );
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VERIFY( num == 4 );
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}
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void
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test02()
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{
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std::deque<int> d{ 10, 11, 12, 14, 15, 17, 18, 19 };
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auto num = std::erase(d, 14);
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std::deque<int> t{ 10, 11, 12, 15, 17, 18, 19 };
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VERIFY( d == t );
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VERIFY( num == 1 );
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num = std::erase(d, 20);
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VERIFY( d == t );
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VERIFY( num == 0 );
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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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return 0;
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}
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