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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 // unique_ptr
     13 
     14 // Test unique_ptr move ctor
     15 
     16 #include <memory>
     17 #include <cassert>
     18 
     19 // test move ctor.  Can't copy from lvalue
     20 
     21 struct A
     22 {
     23     static int count;
     24     A() {++count;}
     25     A(const A&) {++count;}
     26     ~A() {--count;}
     27 };
     28 
     29 int A::count = 0;
     30 
     31 int main()
     32 {
     33     {
     34     std::unique_ptr<A[]> s(new A[3]);
     35     A* p = s.get();
     36     std::unique_ptr<A[]> s2 = s;
     37     assert(s2.get() == p);
     38     assert(s.get() == 0);
     39     assert(A::count == 1);
     40     }
     41     assert(A::count == 0);
     42 }
     43