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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 ctor
// test move ctor. Should only require a MoveConstructible deleter, or if
// deleter is a reference, not even that.
#include <memory>
#include <cassert>
#include "../../deleter.h"
struct A
{
static int count;
A() {++count;}
A(const A&) {++count;}
~A() {--count;}
};
int A::count = 0;
class NCDeleter
{
int state_;
NCDeleter(NCDeleter&);
NCDeleter& operator=(NCDeleter&);
public:
NCDeleter() : state_(5) {}
int state() const {return state_;}
void set_state(int s) {state_ = s;}
void operator()(A* p) {delete [] p;}
};
int main()
{
{
std::unique_ptr<A[]> s(new A[3]);
A* p = s.get();
std::unique_ptr<A[]> s2 = std::move(s);
assert(s2.get() == p);
assert(s.get() == 0);
assert(A::count == 3);
}
assert(A::count == 0);
{
std::unique_ptr<A[], Deleter<A[]> > s(new A[3], Deleter<A[]>(5));
A* p = s.get();
std::unique_ptr<A[], Deleter<A[]> > s2 = std::move(s);
assert(s2.get() == p);
assert(s.get() == 0);
assert(A::count == 3);
assert(s2.get_deleter().state() == 5);
assert(s.get_deleter().state() == 0);
}
assert(A::count == 0);
{
NCDeleter d;
std::unique_ptr<A[], NCDeleter&> s(new A[3], d);
A* p = s.get();
std::unique_ptr<A[], NCDeleter&> s2 = std::move(s);
assert(s2.get() == p);
assert(s.get() == 0);
assert(A::count == 3);
d.set_state(6);
assert(s2.get_deleter().state() == d.state());
assert(s.get_deleter().state() == d.state());
}
assert(A::count == 0);
}
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