| // { dg-options "-std=gnu++17" } |
| |
| // Copyright (C) 2013-2021 Free Software Foundation, Inc. |
| // |
| // This file is part of the GNU ISO C++ Library. This library is free |
| // software; you can redistribute it and/or modify it under the |
| // terms of the GNU General Public License as published by the |
| // Free Software Foundation; either version 3, or (at your option) |
| // any later version. |
| |
| // This library is distributed in the hope that it will be useful, |
| // but WITHOUT ANY WARRANTY; without even the implied warranty of |
| // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
| // GNU General Public License for more details. |
| |
| // You should have received a copy of the GNU General Public License along |
| // with this library; see the file COPYING3. If not see |
| // <http://www.gnu.org/licenses/>. |
| |
| // basic_string_view constructors. |
| |
| #include <string_view> |
| #include <string> |
| #include <cwchar> |
| #include <testsuite_hooks.h> |
| |
| void |
| test01() |
| { |
| typedef std::wstring_view::size_type csize_type; |
| |
| // basic_string_view() |
| const std::wstring_view str00{}; |
| VERIFY( str00.length() == 0 ); |
| VERIFY( str00.data() == nullptr ); |
| |
| // basic_string_view(const char*) |
| const wchar_t str_lit01[] = L"rodeo beach, marin"; |
| const std::wstring_view str01{str_lit01}; |
| VERIFY( str01.length() == 18 ); |
| VERIFY( str01.data() == str_lit01 ); |
| const std::wstring_view str02{L"baker beach, san francisco"}; |
| VERIFY( str02.length() == 26 ); |
| |
| // basic_string_view(const string_view&) |
| std::wstring_view str04{str01}; |
| VERIFY( str04.length() == str01.length() ); |
| VERIFY( str04.data() == str01.data() ); |
| |
| // basic_string_view(const char* s) |
| csize_type len_lit01 = wcslen(str_lit01); |
| std::wstring_view str05{str_lit01, len_lit01}; |
| VERIFY( str05.length() == len_lit01 ); |
| VERIFY( str05.data() == str_lit01 ); |
| |
| // basic_string_view(basic_string& s) |
| std::wstring istr07(10, L'z'); |
| std::wstring_view str07{istr07}; |
| VERIFY( str07.length() == 10 ); |
| } |
| |
| int |
| main() |
| { |
| test01(); |
| |
| return 0; |
| } |