69 lines
1.9 KiB
C++
69 lines
1.9 KiB
C++
// { dg-options "-std=gnu++17" }
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// Copyright (C) 2013-2020 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 constructors.
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#include <string_view>
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#include <string>
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#include <cwchar>
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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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typedef std::wstring_view::size_type csize_type;
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// basic_string_view()
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const std::wstring_view str00{};
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VERIFY( str00.length() == 0 );
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VERIFY( str00.data() == nullptr );
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// basic_string_view(const char*)
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const wchar_t str_lit01[] = L"rodeo beach, marin";
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const std::wstring_view str01{str_lit01};
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VERIFY( str01.length() == 18 );
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VERIFY( str01.data() == str_lit01 );
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const std::wstring_view str02{L"baker beach, san francisco"};
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VERIFY( str02.length() == 26 );
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// basic_string_view(const string_view&)
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std::wstring_view str04{str01};
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VERIFY( str04.length() == str01.length() );
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VERIFY( str04.data() == str01.data() );
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// basic_string_view(const char* s)
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csize_type len_lit01 = wcslen(str_lit01);
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std::wstring_view str05{str_lit01, len_lit01};
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VERIFY( str05.length() == len_lit01 );
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VERIFY( str05.data() == str_lit01 );
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// basic_string_view(basic_string& s)
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std::wstring istr07(10, L'z');
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std::wstring_view str07{istr07};
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VERIFY( str07.length() == 10 );
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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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return 0;
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}
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