0fe9eaaa08
* testsuite/21_strings/basic_string/erasure.cc: Check for updated value of __cpp_lib_erase_if. * testsuite/23_containers/deque/erasure.cc: Likewise. * testsuite/23_containers/forward_list/erasure.cc: Likewise. * testsuite/23_containers/list/erasure.cc: Likewise. * testsuite/23_containers/map/erasure.cc: Likewise. * testsuite/23_containers/set/erasure.cc: Likewise. * testsuite/23_containers/unordered_map/erasure.cc: Likewise. * testsuite/23_containers/unordered_set/erasure.cc: Likewise. * testsuite/23_containers/vector/erasure.cc: Likewise.
72 lines
1.9 KiB
C++
72 lines
1.9 KiB
C++
// { dg-options "-std=gnu++2a" }
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// { dg-do run { target c++2a } }
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// Copyright (C) 2018-2020 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 <map>
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#include <string>
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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 in <map>"
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#elif __cpp_lib_erase_if < 202002
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# error "Feature-test macro for erase_if has wrong value in <map>"
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#endif
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auto is_odd_pair = [](const std::pair<const int, std::string>& p)
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{
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return p.first % 2 != 0;
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};
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void
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test01()
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{
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std::map<int, std::string> m{ { 10, "A" }, { 11, "B" },
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{ 12, "C" }, { 14, "D" },
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{ 15, "E" }, { 17, "F" },
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{ 18, "G" }, { 19, "H" } };
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auto num = std::erase_if(m, is_odd_pair);
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std::map<int, std::string> t{ { 10, "A" }, { 12, "C" },
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{ 14, "D" }, { 18, "G" } };
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VERIFY( m == 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::multimap<int, std::string> mm{ { 20, "S" }, { 21, "T" },
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{ 22, "U" }, { 22, "V" },
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{ 23, "W" }, { 23, "X" },
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{ 24, "Y" }, { 25, "Z" } };
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auto num = std::erase_if(mm, is_odd_pair);
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std::multimap<int, std::string> t{ { 20, "S" }, { 22, "U" },
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{ 22, "V" }, { 24, "Y" } };
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VERIFY( mm == t );
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VERIFY( num == 4 );
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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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