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 <cassert> 22 23 #include "../../deleter.h" 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 { 49 std::unique_ptr<B, Deleter<B> > s(new B); 50 A* p = s.get(); 51 std::unique_ptr<A, Deleter<A> > s2(s); 52 assert(s2.get() == p); 53 assert(s.get() == 0); 54 assert(A::count == 1); 55 assert(B::count == 1); 56 assert(s2.get_deleter().state() == 5); 57 assert(s.get_deleter().state() == 0); 58 } 59 assert(A::count == 0); 60 assert(B::count == 0); 61 } 62
