| //===----------------------------------------------------------------------===// |
| // |
| // The LLVM Compiler Infrastructure |
| // |
| // This file is dual licensed under the MIT and the University of Illinois Open |
| // Source Licenses. See LICENSE.TXT for details. |
| // |
| //===----------------------------------------------------------------------===// |
| |
| // <vector> |
| |
| // vector& operator=(vector&& c) |
| // noexcept( |
| // allocator_type::propagate_on_container_move_assignment::value && |
| // is_nothrow_move_assignable<allocator_type>::value); |
| |
| // This tests a conforming extension |
| |
| // UNSUPPORTED: c++98, c++03 |
| |
| #include <vector> |
| #include <cassert> |
| |
| #include "test_macros.h" |
| #include "test_allocator.h" |
| |
| template <class T> |
| struct some_alloc |
| { |
| typedef T value_type; |
| some_alloc(const some_alloc&); |
| }; |
| |
| template <class T> |
| struct some_alloc2 |
| { |
| typedef T value_type; |
| |
| some_alloc2() {} |
| some_alloc2(const some_alloc2&); |
| void deallocate(void*, unsigned) {} |
| |
| typedef std::false_type propagate_on_container_move_assignment; |
| typedef std::true_type is_always_equal; |
| }; |
| |
| template <class T> |
| struct some_alloc3 |
| { |
| typedef T value_type; |
| |
| some_alloc3() {} |
| some_alloc3(const some_alloc3&); |
| void deallocate(void*, unsigned) {} |
| |
| typedef std::false_type propagate_on_container_move_assignment; |
| typedef std::false_type is_always_equal; |
| }; |
| |
| int main() |
| { |
| #if defined(_LIBCPP_VERSION) |
| { |
| typedef std::vector<bool> C; |
| static_assert(std::is_nothrow_move_assignable<C>::value, ""); |
| } |
| #endif // _LIBCPP_VERSION |
| { |
| typedef std::vector<bool, test_allocator<bool>> C; |
| static_assert(!std::is_nothrow_move_assignable<C>::value, ""); |
| } |
| #if defined(_LIBCPP_VERSION) |
| { |
| typedef std::vector<bool, other_allocator<bool>> C; |
| static_assert(std::is_nothrow_move_assignable<C>::value, ""); |
| } |
| #endif // _LIBCPP_VERSION |
| { |
| #if TEST_STD_VER > 14 |
| #if defined(_LIBCPP_VERSION) |
| typedef std::vector<bool, some_alloc<bool>> C; |
| static_assert( std::is_nothrow_move_assignable<C>::value, ""); |
| #endif // _LIBCPP_VERSION |
| #else |
| typedef std::vector<bool, some_alloc<bool>> C; |
| static_assert(!std::is_nothrow_move_assignable<C>::value, ""); |
| #endif |
| } |
| #if TEST_STD_VER > 14 |
| #if defined(_LIBCPP_VERSION) |
| { // POCMA false, is_always_equal true |
| typedef std::vector<bool, some_alloc2<bool>> C; |
| static_assert( std::is_nothrow_move_assignable<C>::value, ""); |
| } |
| #endif // _LIBCPP_VERSION |
| { // POCMA false, is_always_equal false |
| typedef std::vector<bool, some_alloc3<bool>> C; |
| static_assert(!std::is_nothrow_move_assignable<C>::value, ""); |
| } |
| #endif |
| } |