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 converting move assignment 15 16 #include <memory> 17 #include <utility> 18 #include <cassert> 19 20 struct A 21 { 22 static int count; 23 A() {++count;} 24 A(const A&) {++count;} 25 virtual ~A() {--count;} 26 }; 27 28 int A::count = 0; 29 30 struct B 31 : public A 32 { 33 static int count; 34 B() {++count;} 35 B(const B&) {++count;} 36 virtual ~B() {--count;} 37 }; 38 39 int B::count = 0; 40 41 int main() 42 { 43 { 44 boost::unique_ptr<B[]> s(new B); 45 A* p = s.get(); 46 boost::unique_ptr<A[]> s2(new A); 47 assert(A::count == 2); 48 s2 = boost::move(s); 49 assert(s2.get() == p); 50 assert(s.get() == 0); 51 assert(A::count == 1); 52 assert(B::count == 1); 53 } 54 assert(A::count == 0); 55 assert(B::count == 0); 56 } 57
