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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 converting move assignment
// Can't assign from const lvalue
#include <memory>
#include <utility>
#include <cassert>
#include "../../deleter.h"
struct A
{
static int count;
A() {++count;}
A(const A&) {++count;}
virtual ~A() {--count;}
};
int A::count = 0;
struct B
: public A
{
static int count;
B() {++count;}
B(const B&) {++count;}
virtual ~B() {--count;}
};
int B::count = 0;
int main()
{
{
const std::unique_ptr<B, Deleter<B> > s(new B);
A* p = s.get();
std::unique_ptr<A, Deleter<A> > s2;
s2 = s;
assert(s2.get() == p);
assert(s.get() == 0);
assert(A::count == 1);
assert(B::count == 1);
assert(s2.get_deleter().state() == 5);
assert(s.get_deleter().state() == 0);
}
assert(A::count == 0);
assert(B::count == 0);
}
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