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 // template <class OuterA2> 16 // scoped_allocator_adaptor(const scoped_allocator_adaptor<OuterA2, 17 // InnerAllocs...>& other); 18 19 #include <scoped_allocator> 20 #include <cassert> 21 22 #include "allocators.h" 23 24 int main() 25 { 26 #ifndef _LIBCPP_HAS_NO_RVALUE_REFERENCES 27 28 { 29 typedef std::scoped_allocator_adaptor<A1<double>> B; 30 typedef std::scoped_allocator_adaptor<A1<int>> A; 31 B a1(A1<int>(3)); 32 A1<int>::copy_called = false; 33 A1<int>::move_called = false; 34 A a2 = a1; 35 assert(A1<int>::copy_called == true); 36 assert(a2 == a1); 37 } 38 { 39 typedef std::scoped_allocator_adaptor<A1<double>, A2<int>> B; 40 typedef std::scoped_allocator_adaptor<A1<int>, A2<int>> A; 41 B a1(A1<int>(4), A2<int>(5)); 42 A1<int>::copy_called = false; 43 A1<int>::move_called = false; 44 A2<int>::copy_called = false; 45 A2<int>::move_called = false; 46 A a2 = a1; 47 assert(A1<int>::copy_called == true); 48 assert(A2<int>::copy_called == true); 49 assert(a2 == a1); 50 } 51 { 52 typedef std::scoped_allocator_adaptor<A1<double>, A2<int>, A3<int>> B; 53 typedef std::scoped_allocator_adaptor<A1<int>, A2<int>, A3<int>> A; 54 B a1(A1<int>(4), A2<int>(5), A3<int>(6)); 55 A1<int>::copy_called = false; 56 A1<int>::move_called = false; 57 A2<int>::copy_called = false; 58 A2<int>::move_called = false; 59 A3<int>::copy_called = false; 60 A3<int>::move_called = false; 61 A a2 = a1; 62 assert(A1<int>::copy_called == true); 63 assert(A2<int>::copy_called == true); 64 assert(A3<int>::copy_called == true); 65 assert(a2 == a1); 66 } 67 68 #endif // _LIBCPP_HAS_NO_RVALUE_REFERENCES 69 } 70