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//===----------------------------------------------------------------------===//
//
// The LLVM Compiler Infrastructure
//
// This file is dual licensed under the MIT and the University of Illinois Open
// Source Licenses. See LICENSE.TXT for details.
//
//===----------------------------------------------------------------------===//
// <memory>
// unique_ptr
// Test unique_ptr move assignment
#include <memory>
#include <utility>
#include <cassert>
// Can't copy from lvalue
struct A
{
static int count;
A() {++count;}
A(const A&) {++count;}
~A() {--count;}
};
int A::count = 0;
class Deleter
{
int state_;
public:
Deleter() : state_(5) {}
int state() const {return state_;}
void operator()(A* p) {delete p;}
};
int main()
{
{
std::unique_ptr<A, Deleter> s(new A);
A* p = s.get();
std::unique_ptr<A, Deleter> s2;
s2 = s;
assert(s2.get() == p);
assert(s.get() == 0);
assert(A::count == 1);
}
assert(A::count == 0);
}
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