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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.
//
//===----------------------------------------------------------------------===//
// XFAIL: libcpp-no-exceptions
// <memory>
// template <class Y, class D> explicit shared_ptr(unique_ptr<Y, D>&&r);
// UNSUPPORTED: sanitizer-new-delete
#include <memory>
#include <new>
#include <cstdlib>
#include <cassert>
bool throw_next = false;
void* operator new(std::size_t s) throw(std::bad_alloc)
{
if (throw_next)
throw std::bad_alloc();
return std::malloc(s);
}
void operator delete(void* p) throw()
{
std::free(p);
}
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;
void fn ( const std::shared_ptr<int> &) {}
void fn ( const std::shared_ptr<B> &) { assert (false); }
template <typename T>
void assert_deleter ( T * ) { assert(false); }
int main()
{
{
std::unique_ptr<A> ptr(new A);
A* raw_ptr = ptr.get();
std::shared_ptr<B> p(std::move(ptr));
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);
{
std::unique_ptr<A> ptr(new A);
A* raw_ptr = ptr.get();
throw_next = true;
try
{
std::shared_ptr<B> p(std::move(ptr));
assert(false);
}
catch (...)
{
#ifndef _LIBCPP_HAS_NO_RVALUE_REFERENCES
assert(A::count == 1);
assert(B::count == 1);
assert(ptr.get() == raw_ptr);
#else
assert(A::count == 0);
assert(B::count == 0);
assert(ptr.get() == 0);
#endif
}
}
assert(A::count == 0);
// LWG 2399
{
throw_next = false;
fn(std::unique_ptr<int>(new int));
}
#if __cplusplus >= 201402L
// LWG 2415
{
std::unique_ptr<int, void (*)(int*)> p(nullptr, assert_deleter<int>);
std::shared_ptr<int> p2(std::move(p)); // should not call deleter when going out of scope
}
#endif
}
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