1 //===----------------------------------------------------------------------===// 2 // 3 // The LLVM Compiler Infrastructure 4 // 5 // This file is dual licensed under the MIT and the University of Illinois Open 6 // Source Licenses. See LICENSE.TXT for details. 7 // 8 //===----------------------------------------------------------------------===// 9 10 // UNSUPPORTED: c++98, c++03 11 12 // <memory> 13 14 // template <class OuterAlloc, class... InnerAllocs> 15 // class scoped_allocator_adaptor 16 17 // scoped_allocator_adaptor select_on_container_copy_construction() const; 18 19 #include <scoped_allocator> 20 #include <cassert> 21 22 #include "allocators.h" 23 24 int main() 25 { 26 { 27 typedef std::scoped_allocator_adaptor<A1<int>> A; 28 A a1(A1<int>(3)); 29 assert(a1.outer_allocator().id() == 3); 30 A a2 = std::allocator_traits<A>::select_on_container_copy_construction(a1); 31 assert(a2.outer_allocator().id() == 3); 32 } 33 34 { 35 typedef std::scoped_allocator_adaptor<A3<int>> A; 36 A a1(A3<int>(3)); 37 assert(a1.outer_allocator().id() == 3); 38 A a2 = std::allocator_traits<A>::select_on_container_copy_construction(a1); 39 assert(a2.outer_allocator().id() == -1); 40 } 41 42 { 43 typedef std::scoped_allocator_adaptor<A1<int>, A2<int>, A3<int>> A; 44 A a1(A1<int>(1), A2<int>(2), A3<int>(3)); 45 assert(a1.outer_allocator().id() == 1); 46 assert(a1.inner_allocator().outer_allocator().id() == 2); 47 assert(a1.inner_allocator().inner_allocator().outer_allocator().id() == 3); 48 A a2 = std::allocator_traits<A>::select_on_container_copy_construction(a1); 49 assert(a2.outer_allocator().id() == 1); 50 assert(a2.inner_allocator().outer_allocator().id() == 2); 51 assert(a2.inner_allocator().inner_allocator().outer_allocator().id() == -1); 52 } 53 54 } 55
