52 lines
1.5 KiB
C++
52 lines
1.5 KiB
C++
// { dg-options "-std=gnu++17" }
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// Copyright (C) 2014-2020 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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// basic_string_view::to_string
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#include <string_view>
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#include <string>
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#include <algorithm>
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#include <testsuite_hooks.h>
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#include <testsuite_allocator.h>
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void
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test01()
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{
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const char str_lit[] = "123456789A";
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const std::string_view sv(str_lit);
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char buffer[4] = { 0 };
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std::string s1{sv};
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VERIFY( s1 == str_lit );
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using test_alloc = __gnu_test::tracker_allocator<char>;
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std::basic_string<char, std::char_traits<char>, test_alloc>
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s2{sv, test_alloc{}};
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static_assert( std::is_same<decltype(s2)::allocator_type, test_alloc>::value,
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"to_string() uses custom allocator" );
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VERIFY( std::equal(s1.begin(), s1.end(), s2.begin(), s2.end()) );
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auto s3 = static_cast<std::string>(sv);
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VERIFY( s3 == s1 );
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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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}
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