| // Copyright (C) 2012 Free Software Foundation |
| // |
| // 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/>. |
| |
| // { dg-options "-std=gnu++0x" } |
| |
| #include <forward_list> |
| #include <testsuite_hooks.h> |
| #include <testsuite_allocator.h> |
| |
| struct T { int i; }; |
| |
| namespace __gnu_test |
| { |
| inline void |
| swap(propagating_allocator<T, true>& l, propagating_allocator<T, true>& r) |
| noexcept(false) |
| { |
| typedef uneq_allocator<T> base_alloc; |
| swap(static_cast<base_alloc&>(l), static_cast<base_alloc&>(r)); |
| } |
| } |
| |
| using __gnu_test::propagating_allocator; |
| |
| void test01() |
| { |
| typedef std::allocator<T> alloc_type; |
| typedef std::forward_list<T, alloc_type> test_type; |
| test_type v1; |
| test_type v2; |
| // this is a GNU extension for std::allocator |
| static_assert( noexcept( v1 = std::move(v2) ), "Move assign cannot throw" ); |
| static_assert( noexcept( v1.swap(v2) ), "Swap cannot throw" ); |
| } |
| |
| void test02() |
| { |
| typedef propagating_allocator<T, false> alloc_type; |
| typedef std::forward_list<T, alloc_type> test_type; |
| test_type v1(alloc_type(1)); |
| test_type v2(alloc_type(2)); |
| static_assert( !noexcept( v1 = std::move(v2) ), "Move assign can throw" ); |
| static_assert( noexcept( v1.swap(v2) ), "Swap cannot throw" ); |
| } |
| |
| void test03() |
| { |
| typedef propagating_allocator<T, true> alloc_type; |
| typedef std::forward_list<T, alloc_type> test_type; |
| test_type v1(alloc_type(1)); |
| test_type v2(alloc_type(2)); |
| static_assert( noexcept( v1 = std::move(v2) ), "Move assign cannot throw" ); |
| // static_assert( !noexcept( v1.swap(v2) ), "Swap can throw" ); |
| } |
| |
| int main() |
| { |
| test01(); |
| test02(); |
| test03(); |
| return 0; |
| } |