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// Can't assign from const lvalue 17 18#include <memory> 19#include <utility> 20#include <cassert> 21 22#include "deleter_types.h" 23 24struct A 25{ 26 static int count; 27 A() {++count;} 28 A(const A&) {++count;} 29 virtual ~A() {--count;} 30}; 31 32int A::count = 0; 33 34struct B 35 : public A 36{ 37 static int count; 38 B() {++count;} 39 B(const B&) {++count;} 40 virtual ~B() {--count;} 41}; 42 43int B::count = 0; 44 45int main() 46{ 47 { 48 Deleter<B> db(5); 49 const boost::unique_ptr<B[], Deleter<B>&> s(new B, db); 50 A* p = s.get(); 51 Deleter<A> da(6); 52 boost::unique_ptr<A[], Deleter<A>&> s2(new A, da); 53 s2 = s; 54 assert(s2.get() == p); 55 assert(s.get() == 0); 56 assert(A::count == 1); 57 assert(B::count == 1); 58 assert(s2.get_deleter().state() == 5); 59 } 60 assert(A::count == 0); 61 assert(B::count == 0); 62} 63