53         assert(!alloc_first::allocator_constructed);  in main()
54         std::tuple<alloc_first> t(std::allocator_arg, A1<int>(5));  in main()
55         assert(alloc_first::allocator_constructed);  in main()
56         assert(std::get<0>(t) == alloc_first());  in main()
65         alloc_first::allocator_constructed = false;  in main()
66         std::tuple<DefaultOnly, alloc_first> t(std::allocator_arg, A1<int>(5));  in main()
68         assert(alloc_first::allocator_constructed);  in main()
69         assert(std::get<1>(t) == alloc_first());  in main()
72         alloc_first::allocator_constructed = false;  in main()
74         std::tuple<DefaultOnly, alloc_first, alloc_last> t(std::allocator_arg,  in main()
77         assert(alloc_first::allocator_constructed);  in main()
78         assert(std::get<1>(t) == alloc_first());  in main()
83         alloc_first::allocator_constructed = false;  in main()
85         std::tuple<DefaultOnly, alloc_first, alloc_last> t(std::allocator_arg,  in main()
88         assert(!alloc_first::allocator_constructed);  in main()
89         assert(std::get<1>(t) == alloc_first());  in main()