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 ctor 15 16 // test converting move ctor. Should only require a MoveConstructible deleter, or if 17 // deleter is a reference, not even that. 18 // Explicit version 19 20 #include <memory> 21 #include <utility> 22 #include <cassert> 23 24 #include "../../deleter.h" 25 26 struct A 27 { 28 static int count; AA29 A() {++count;} AA30 A(const A&) {++count;} ~AA31 virtual ~A() {--count;} 32 }; 33 34 int A::count = 0; 35 36 struct B 37 : public A 38 { 39 static int count; BB40 B() {++count;} BB41 B(const B&) {++count;} ~BB42 virtual ~B() {--count;} 43 }; 44 45 int B::count = 0; 46 main()47int main() 48 { 49 { 50 std::unique_ptr<B, Deleter<B> > s(new B); 51 A* p = s.get(); 52 std::unique_ptr<A, Deleter<A> > s2(s); 53 assert(s2.get() == p); 54 assert(s.get() == 0); 55 assert(A::count == 1); 56 assert(B::count == 1); 57 assert(s2.get_deleter().state() == 5); 58 assert(s.get_deleter().state() == 0); 59 } 60 assert(A::count == 0); 61 assert(B::count == 0); 62 } 63