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 #include <memory> 17 #include <cassert> 18 19 #include "../../deleter.h" 20 21 // test converting move ctor. Should only require a MoveConstructible deleter, or if 22 // deleter is a reference, not even that. 23 // Implicit version 24 25 struct A 26 { 27 static int count; 28 A() {++count;} 29 A(const A&) {++count;} 30 virtual ~A() {--count;} 31 }; 32 33 int A::count = 0; 34 35 struct B 36 : public A 37 { 38 static int count; 39 B() {++count;} 40 B(const B&) {++count;} 41 virtual ~B() {--count;} 42 }; 43 44 int B::count = 0; 45 46 int main() 47 { 48 std::unique_ptr<B, Deleter<B> > s(new B); 49 std::unique_ptr<A, Deleter<A> > s2 = s; 50 } 51
