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      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 X> class auto_ptr;
     13 
     14 // auto_ptr& operator=(auto_ptr& a) throw();
     15 
     16 #include <memory>
     17 #include <cassert>
     18 
     19 #include "../A.h"
     20 
     21 void
     22 test()
     23 {
     24     {
     25     A* p1 = new A(1);
     26     const std::auto_ptr<A> ap1(p1);
     27     A* p2 = new A(2);
     28     std::auto_ptr<A> ap2(p2);
     29     assert(A::count == 2);
     30     assert(ap1.get() == p1);
     31     assert(ap2.get() == p2);
     32     std::auto_ptr<A>& apr = ap2 = ap1;
     33     assert(&apr == &ap2);
     34     assert(A::count == 1);
     35     assert(ap1.get() == 0);
     36     assert(ap2.get() == p1);
     37     }
     38     assert(A::count == 0);
     39 }
     40 
     41 int main()
     42 {
     43     test();
     44 }
     45