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 20struct A 21{ 22 static int count; 23 A() {++count;} 24 A(const A&) {++count;} 25 virtual ~A() {--count;} 26}; 27 28int A::count = 0; 29 30struct B 31 : public A 32{ 33 static int count; 34 B() {++count;} 35 B(const B&) {++count;} 36 virtual ~B() {--count;} 37}; 38 39int B::count = 0; 40 41int 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