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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 // void reset(X* p=0) throw();
     15 
     16 #include <memory>
     17 #include <cassert>
     18 
     19 #include "../A.h"
     20 
     21 void
     22 test()
     23 {
     24     {
     25     A* p = new A(1);
     26     std::auto_ptr<A> ap(p);
     27     ap.reset();
     28     assert(ap.get() == 0);
     29     assert(A::count == 0);
     30     }
     31     assert(A::count == 0);
     32     {
     33     A* p = new A(1);
     34     std::auto_ptr<A> ap(p);
     35     ap.reset(p);
     36     assert(ap.get() == p);
     37     assert(A::count == 1);
     38     }
     39     assert(A::count == 0);
     40     {
     41     A* p = new A(1);
     42     std::auto_ptr<A> ap(p);
     43     A* p2 = new A(2);
     44     ap.reset(p2);
     45     assert(ap.get() == p2);
     46     assert(A::count == 1);
     47     }
     48     assert(A::count == 0);
     49 }
     50 
     51 int main()
     52 {
     53     test();
     54 }
     55