Home | History | Annotate | Download | only in memory.resource.adaptor.mem
      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 // UNSUPPORTED: c++98, c++03
     11 
     12 // <experimental/memory_resource>
     13 
     14 // template <class Alloc> class resource_adaptor_imp;
     15 
     16 // bool do_is_equal(memory_resource const &) const noexcept;
     17 
     18 #include <experimental/memory_resource>
     19 #include <type_traits>
     20 #include <memory>
     21 #include <cassert>
     22 #include "test_memory_resource.hpp"
     23 
     24 using std::size_t;
     25 namespace ex = std::experimental::pmr;
     26 
     27 int main()
     28 {
     29 
     30     typedef CountingAllocator<char> Alloc1;
     31     typedef CountingAllocator<int> RAlloc1;
     32     typedef ex::resource_adaptor<Alloc1> R1;
     33     typedef ex::resource_adaptor<RAlloc1> RR1;
     34     static_assert(std::is_same<R1, RR1>::value, "");
     35 
     36     typedef std::allocator<char> Alloc2;
     37     typedef ex::resource_adaptor<Alloc2> R2;
     38     static_assert(!std::is_same<R1, R2>::value, "");
     39 
     40     // equal same type
     41     {
     42         AllocController C;
     43         Alloc1 a1(C);
     44         R1 const r1(a1);
     45         ex::memory_resource const & m1 = r1;
     46 
     47         Alloc1 a2(C);
     48         R1 const r2(a2);
     49         ex::memory_resource const & m2 = r2;
     50 
     51         assert(m1.is_equal(m2));
     52         assert(m2.is_equal(m1));
     53     }
     54     // not equal same type
     55     {
     56         AllocController C;
     57         Alloc1 a1(C);
     58         R1 const r1(a1);
     59         ex::memory_resource const & m1 = r1;
     60 
     61         AllocController C2;
     62         Alloc1 a2(C2);
     63         R1 const r2(a2);
     64         ex::memory_resource const & m2 = r2;
     65 
     66         assert(!m1.is_equal(m2));
     67         assert(!m2.is_equal(m1));
     68     }
     69     // different allocator types
     70     {
     71         AllocController C;
     72         Alloc1 a1(C);
     73         R1 const r1(a1);
     74         ex::memory_resource const & m1 = r1;
     75 
     76         Alloc2 a2;
     77         R2 const r2(a2);
     78         ex::memory_resource const & m2 = r2;
     79 
     80         assert(!m1.is_equal(m2));
     81         assert(!m2.is_equal(m1));
     82     }
     83 }
     84