c52f43e72d
git-svn-id: https://llvm.org/svn/llvm-project/libcxx/trunk@111767 91177308-0d34-0410-b5e6-96231b3b80d8
63 lines
1.3 KiB
C++
63 lines
1.3 KiB
C++
//===----------------------------------------------------------------------===//
|
|
//
|
|
// 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 unique_ptr converting move assignment
|
|
|
|
// test converting move assignment with reference deleters
|
|
|
|
#include <memory>
|
|
#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()
|
|
{
|
|
{
|
|
CDeleter<B> db(5);
|
|
std::unique_ptr<B, CDeleter<B>&> s(new B, db);
|
|
A* p = s.get();
|
|
CDeleter<A> da(6);
|
|
std::unique_ptr<A, CDeleter<A>&> s2(new A, da);
|
|
s2 = std::move(s);
|
|
assert(s2.get() == p);
|
|
assert(s.get() == 0);
|
|
assert(A::count == 1);
|
|
assert(B::count == 1);
|
|
assert(s.get_deleter().state() == 5);
|
|
assert(s2.get_deleter().state() == 5);
|
|
}
|
|
assert(A::count == 0);
|
|
assert(B::count == 0);
|
|
}
|