58 lines
1.4 KiB
C++
58 lines
1.4 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 <string>
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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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auto is_vowel = [](const char c)
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{
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return c == 'a' || c == 'e' || c == 'i' || c == 'o' || c == 'u';
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};
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std::string str("cute fluffy kittens");
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auto num = std::erase_if(str, is_vowel);
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VERIFY( str == "ct flffy kttns" );
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VERIFY( num == 5 );
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}
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void
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test02()
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{
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std::string str = "cute fluffy kittens";
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auto num = std::erase(str, 'f');
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VERIFY( str == "cute luy kittens" );
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VERIFY( num == 3 );
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num = std::erase(str, 'z');
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VERIFY( str == "cute luy kittens" );
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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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