| // { dg-do run { target c++11 } } |
| |
| // Copyright (C) 2010-2023 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/>. |
| |
| #include <exception> |
| #include <testsuite_hooks.h> |
| |
| // test NullablePointer requirements |
| void test01() |
| { |
| std::exception_ptr p1; // DefaultConstructible |
| std::exception_ptr p2(p1); // CopyConstructible |
| p1 = p2; // CopyAssignable |
| VERIFY( p1 == p2 ); // EqualityComparable |
| VERIFY( !bool(p1) ); // contextually convertible to bool |
| swap(p1, p2); // Swappable |
| |
| // Table 39 expressions |
| std::exception_ptr p3 = nullptr; |
| std::exception_ptr p4(nullptr); |
| VERIFY( std::exception_ptr() == nullptr ); |
| p4 = nullptr; |
| VERIFY( p4 == nullptr ); |
| VERIFY( nullptr == p4 ); |
| VERIFY( (p4 != nullptr) == !(p4 == nullptr) ); |
| VERIFY( (nullptr != p4) == !(p4 == nullptr) ); |
| |
| std::exception_ptr p5{}; // value initialized ... |
| VERIFY( p5 == nullptr ); // ... is equivalent to null |
| } |
| |
| // additional exception_ptr requirements |
| void test02() |
| { |
| std::exception_ptr p1; |
| VERIFY( p1 == nullptr ); |
| } |
| |
| int main() |
| { |
| test01(); |
| test02(); |
| return 0; |
| } |