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 // <memory> 11 12 // template <class OuterAlloc, class... InnerAllocs> 13 // class scoped_allocator_adaptor 14 15 // scoped_allocator_adaptor(); 16 17 #include <scoped_allocator> 18 #include <cassert> 19 20 #include "../allocators.h" 21 22 int main() 23 { 24 #ifndef _LIBCPP_HAS_NO_RVALUE_REFERENCES 25 26 { 27 typedef std::scoped_allocator_adaptor<A1<int>> A; 28 A a; 29 assert(a.outer_allocator() == A1<int>()); 30 assert(a.inner_allocator() == a); 31 assert(A1<int>::copy_called == false); 32 assert(A1<int>::move_called == false); 33 } 34 { 35 typedef std::scoped_allocator_adaptor<A1<int>, A2<int>> A; 36 A a; 37 assert(a.outer_allocator() == A1<int>()); 38 assert(a.inner_allocator() == std::scoped_allocator_adaptor<A2<int>>()); 39 assert(A1<int>::copy_called == false); 40 assert(A1<int>::move_called == false); 41 assert(A2<int>::copy_called == false); 42 assert(A2<int>::move_called == false); 43 } 44 { 45 typedef std::scoped_allocator_adaptor<A1<int>, A2<int>, A3<int>> A; 46 A a; 47 assert(a.outer_allocator() == A1<int>()); 48 assert((a.inner_allocator() == std::scoped_allocator_adaptor<A2<int>, A3<int>>())); 49 assert(A1<int>::copy_called == false); 50 assert(A1<int>::move_called == false); 51 assert(A2<int>::copy_called == false); 52 assert(A2<int>::move_called == false); 53 assert(A3<int>::copy_called == false); 54 assert(A3<int>::move_called == false); 55 } 56 57 #endif // _LIBCPP_HAS_NO_RVALUE_REFERENCES 58 } 59
