| //===----------------------------------------------------------------------===// |
| // |
| // 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. |
| // |
| //===----------------------------------------------------------------------===// |
| |
| // UNSUPPORTED: c++98, c++03 |
| |
| // <memory> |
| |
| // template <class OuterAlloc, class... InnerAllocs> |
| // class scoped_allocator_adaptor |
| |
| // pointer allocate(size_type n, const_void_pointer hint); |
| |
| #include <scoped_allocator> |
| #include <cassert> |
| |
| #include "allocators.h" |
| |
| int main() |
| { |
| { |
| typedef std::scoped_allocator_adaptor<A1<int>> A; |
| A a; |
| A1<int>::allocate_called = false; |
| assert(a.allocate(10, (const void*)0) == (int*)10); |
| assert(A1<int>::allocate_called == true); |
| } |
| { |
| typedef std::scoped_allocator_adaptor<A1<int>, A2<int>> A; |
| A a; |
| A1<int>::allocate_called = false; |
| assert(a.allocate(10, (const void*)10) == (int*)10); |
| assert(A1<int>::allocate_called == true); |
| } |
| { |
| typedef std::scoped_allocator_adaptor<A1<int>, A2<int>, A3<int>> A; |
| A a; |
| A1<int>::allocate_called = false; |
| assert(a.allocate(10, (const void*)20) == (int*)10); |
| assert(A1<int>::allocate_called == true); |
| } |
| |
| { |
| typedef std::scoped_allocator_adaptor<A2<int>> A; |
| A a; |
| A2<int>::allocate_called = false; |
| assert(a.allocate(10, (const void*)0) == (int*)0); |
| assert(A2<int>::allocate_called == true); |
| } |
| { |
| typedef std::scoped_allocator_adaptor<A2<int>, A2<int>> A; |
| A a; |
| A2<int>::allocate_called = false; |
| assert(a.allocate(10, (const void*)10) == (int*)10); |
| assert(A2<int>::allocate_called == true); |
| } |
| { |
| typedef std::scoped_allocator_adaptor<A2<int>, A2<int>, A3<int>> A; |
| A a; |
| A2<int>::allocate_called = false; |
| assert(a.allocate(10, (const void*)20) == (int*)20); |
| assert(A2<int>::allocate_called == true); |
| } |
| } |