4684ddb6aa
- import libcxx - reduce targets to the one when compiled as a tools Change-Id: Iabb8427f80ff8e89463559a28bcb8b4f2bdbc496
78 lines
1.6 KiB
C++
78 lines
1.6 KiB
C++
//===----------------------------------------------------------------------===//
|
|
//
|
|
// 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 ctor
|
|
|
|
// test converting move ctor. Should only require a MoveConstructible deleter, or if
|
|
// deleter is a reference, not even that.
|
|
// Explicit version
|
|
|
|
#include <memory>
|
|
#include <cassert>
|
|
|
|
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;
|
|
|
|
template <class T>
|
|
class CDeleter
|
|
{
|
|
int state_;
|
|
|
|
CDeleter(CDeleter&);
|
|
CDeleter& operator=(CDeleter&);
|
|
public:
|
|
|
|
CDeleter() : state_(5) {}
|
|
|
|
int state() const {return state_;}
|
|
void set_state(int s) {state_ = s;}
|
|
|
|
void operator()(T* p) {delete p;}
|
|
};
|
|
|
|
int main()
|
|
{
|
|
{
|
|
CDeleter<A> d;
|
|
std::unique_ptr<B[], CDeleter<A>&> s(new B, d);
|
|
A* p = s.get();
|
|
std::unique_ptr<A[], CDeleter<A>&> s2(s);
|
|
assert(s2.get() == p);
|
|
assert(s.get() == 0);
|
|
assert(A::count == 1);
|
|
assert(B::count == 1);
|
|
d.set_state(6);
|
|
assert(s2.get_deleter().state() == d.state());
|
|
assert(s.get_deleter().state() == d.state());
|
|
}
|
|
assert(A::count == 0);
|
|
assert(B::count == 0);
|
|
}
|