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//===----------------------------------------------------------------------===//
//
// The LLVM Compiler Infrastructure
//
// This file is distributed under the University of Illinois Open Source
// License. See LICENSE.TXT for details.
//
//===----------------------------------------------------------------------===//
// <memory>
// unique_ptr
// test reset
#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;
int main()
{
{
std::unique_ptr<A> p(new A);
assert(A::count == 1);
assert(B::count == 0);
A* i = p.get();
p.reset(new B);
assert(A::count == 1);
assert(B::count == 1);
}
assert(A::count == 0);
assert(B::count == 0);
{
std::unique_ptr<A> p(new B);
assert(A::count == 1);
assert(B::count == 1);
A* i = p.get();
p.reset(new B);
assert(A::count == 1);
assert(B::count == 1);
}
assert(A::count == 0);
assert(B::count == 0);
}
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