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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 default unique_ptr ctor
#include <memory>
#include <cassert>
// default unique_ptr ctor shouldn't require complete type
struct A;
class Deleter
{
int state_;
Deleter(Deleter&);
Deleter& operator=(Deleter&);
public:
Deleter() : state_(5) {}
int state() const {return state_;}
void operator()(A* p);
};
void check(int i);
template <class D = std::default_delete<A> >
struct B
{
std::unique_ptr<A, D> a_;
B() {}
~B();
A* get() const {return a_.get();}
D& get_deleter() {return a_.get_deleter();}
};
int main()
{
{
B<> s;
assert(s.get() == 0);
}
check(0);
{
B<Deleter> s;
assert(s.get() == 0);
assert(s.get_deleter().state() == 5);
}
check(0);
}
struct A
{
static int count;
A() {++count;}
A(const A&) {++count;}
~A() {--count;}
};
int A::count = 0;
void Deleter::operator()(A* p) {delete p;}
void check(int i)
{
assert(A::count == i);
}
template <class D>
B<D>::~B() {}
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