| // { 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 element access |
| |
| #include <string_view> |
| #include <stdexcept> |
| #include <testsuite_hooks.h> |
| |
| void |
| test01() |
| { |
| typedef std::wstring_view::size_type csize_type; |
| typedef std::wstring_view::const_reference cref; |
| typedef std::wstring_view::reference ref; |
| csize_type csz01, csz02; |
| |
| const std::wstring_view str01(L"tamarindo, costa rica"); |
| std::wstring_view str02(L"41st street beach, capitola, california"); |
| std::wstring_view str03; |
| |
| // const_reference operator[] (size_type pos) const; |
| csz01 = str01.size(); |
| cref cref1 = str01[csz01 - 1]; |
| VERIFY( cref1 == L'a' ); |
| // Undefined behavior at size(). |
| //cref cref2 = str01[csz01]; |
| //VERIFY( cref2 == wchar_t() ); |
| |
| // const_reference at(size_type pos) const; |
| csz01 = str01.size(); |
| cref cref3 = str01.at(csz01 - 1); |
| VERIFY( cref3 == L'a' ); |
| try |
| { |
| str01.at(csz01); |
| VERIFY( false ); // Should not get here, as exception thrown. |
| } |
| catch (std::out_of_range& fail) |
| { |
| VERIFY( true ); |
| } |
| catch (...) |
| { |
| VERIFY( false ); |
| } |
| } |
| |
| int |
| main() |
| { |
| test01(); |
| |
| return 0; |
| } |