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 reset 15 16 #include <memory> 17 #include <cassert> 18 19 struct A 20 { 21 static int count; 22 A() {++count;} 23 A(const A&) {++count;} 24 ~A() {--count;} 25 }; 26 27 int A::count = 0; 28 29 int main() 30 { 31 { 32 std::unique_ptr<A> p(new A); 33 assert(A::count == 1); 34 A* i = p.get(); 35 p.reset(); 36 assert(A::count == 0); 37 assert(p.get() == 0); 38 } 39 assert(A::count == 0); 40 { 41 std::unique_ptr<A> p(new A); 42 assert(A::count == 1); 43 A* i = p.get(); 44 p.reset(new A); 45 assert(A::count == 1); 46 } 47 assert(A::count == 0); 48 } 49
