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//===----------------------------------------------------------------------===//
//
// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
// See https://llvm.org/LICENSE.txt for license information.
// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
//
//===----------------------------------------------------------------------===//
// <memory>
// template<class Y> explicit shared_ptr(auto_ptr<Y>&& r);
// REQUIRES: c++03 || c++11 || c++14
#define _LIBCPP_DISABLE_DEPRECATION_WARNINGS
#include <memory>
#include <new>
#include <cstdlib>
#include <cassert>
#include "test_macros.h"
#include "count_new.h"
struct B
{
static int count;
B() {++count;}
B(const B&) {++count;}
virtual ~B() {--count;}
};
int B::count = 0;
struct A
: public B
{
static int count;
A() {++count;}
A(const A&) {++count;}
~A() {--count;}
};
int A::count = 0;
int main(int, char**)
{
globalMemCounter.reset();
{
std::auto_ptr<A> ptr(new A);
A* raw_ptr = ptr.get();
#if TEST_STD_VER >= 11
std::shared_ptr<B> p(std::move(ptr));
#else
std::shared_ptr<B> p(ptr);
#endif
assert(A::count == 1);
assert(B::count == 1);
assert(p.use_count() == 1);
assert(p.get() == raw_ptr);
assert(ptr.get() == 0);
}
assert(A::count == 0);
assert(globalMemCounter.checkOutstandingNewEq(0));
#if !defined(TEST_HAS_NO_EXCEPTIONS) && !defined(DISABLE_NEW_COUNT)
{
std::auto_ptr<A> ptr(new A);
A* raw_ptr = ptr.get();
globalMemCounter.throw_after = 0;
try
{
#if TEST_STD_VER >= 11
std::shared_ptr<B> p(std::move(ptr));
#else
std::shared_ptr<B> p(ptr);
#endif
assert(false);
}
catch (...)
{
#if TEST_STD_VER >= 11
assert(A::count == 1);
assert(B::count == 1);
assert(ptr.get() == raw_ptr);
#else
// Without rvalue references, ptr got copied into
// the shared_ptr destructor and the copy was
// destroyed during unwinding.
(void) raw_ptr; // silence 'unused variable' warning
assert(A::count == 0);
assert(B::count == 0);
#endif
}
}
assert(A::count == 0);
assert(globalMemCounter.checkOutstandingNewEq(0));
#endif // !defined(TEST_HAS_NO_EXCEPTIONS) && !defined(DISABLE_NEW_COUNT)
return 0;
}
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