allocate_size.pass.cpp revision a2ccccce89dd50f1ef286a6ca1cdb86980e106f0 
1//===----------------------------------------------------------------------===//
2//
3//                     The LLVM Compiler Infrastructure
4//
5// This file is distributed under the University of Illinois Open Source
6// License. See LICENSE.TXT for details.
7//
8//===----------------------------------------------------------------------===//
9
10// <memory>
11
12// template <class OuterAlloc, class... InnerAllocs>
13//   class scoped_allocator_adaptor
14
15// pointer allocate(size_type n);
16
17#include <scoped_allocator>
18#include <cassert>
19
20#include "../allocators.h"
21
22int main()
23{
24#ifndef _LIBCPP_HAS_NO_RVALUE_REFERENCES
25
26    {
27        typedef std::scoped_allocator_adaptor<A1<int>> A;
28        A a;
29        A1<int>::allocate_called = false;
30        assert(a.allocate(10) == (int*)10);
31        assert(A1<int>::allocate_called == true);
32    }
33    {
34        typedef std::scoped_allocator_adaptor<A1<int>, A2<int>> A;
35        A a;
36        A1<int>::allocate_called = false;
37        assert(a.allocate(10) == (int*)10);
38        assert(A1<int>::allocate_called == true);
39    }
40    {
41        typedef std::scoped_allocator_adaptor<A1<int>, A2<int>, A3<int>> A;
42        A a;
43        A1<int>::allocate_called = false;
44        assert(a.allocate(10) == (int*)10);
45        assert(A1<int>::allocate_called == true);
46    }
47
48#endif  // _LIBCPP_HAS_NO_RVALUE_REFERENCES
49}
50