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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>
// shared_ptr
// template<class T, class... Args>
// shared_ptr<T> make_shared(Args&&... args); // T is not an array
#include <memory>
#include <cassert>
#include "count_new.h"
#include "operator_hijacker.h"
#include "test_macros.h"
struct A
{
static int count;
A(int i, char c) : int_(i), char_(c) {++count;}
A(const A& a)
: int_(a.int_), char_(a.char_)
{++count;}
~A() {--count;}
int get_int() const {return int_;}
char get_char() const {return char_;}
A* operator& () = delete;
private:
int int_;
char char_;
};
int A::count = 0;
struct Foo
{
Foo() = default;
virtual ~Foo() = default;
};
#ifdef _LIBCPP_VERSION
struct Result {};
static Result theFunction() { return Result(); }
static int resultDeletorCount;
static void resultDeletor(Result (*pf)()) {
assert(pf == theFunction);
++resultDeletorCount;
}
void test_pointer_to_function() {
{ // https://llvm.org/PR27566
std::shared_ptr<Result()> x(&theFunction, &resultDeletor);
std::shared_ptr<Result()> y(theFunction, resultDeletor);
}
assert(resultDeletorCount == 2);
}
#else // _LIBCPP_VERSION
void test_pointer_to_function() {}
#endif // _LIBCPP_VERSION
template <typename T>
void test(const T &t0)
{
{
T t1 = t0;
std::shared_ptr<T> p0 = std::make_shared<T>(t0);
std::shared_ptr<T> p1 = std::make_shared<T>(t1);
assert(*p0 == t0);
assert(*p1 == t1);
}
{
const T t1 = t0;
std::shared_ptr<const T> p0 = std::make_shared<const T>(t0);
std::shared_ptr<const T> p1 = std::make_shared<const T>(t1);
assert(*p0 == t0);
assert(*p1 == t1);
}
}
int main(int, char**)
{
int nc = globalMemCounter.outstanding_new;
{
int i = 67;
char c = 'e';
std::shared_ptr<A> p = std::make_shared<A>(i, c);
assert(globalMemCounter.checkOutstandingNewEq(nc+1));
assert(A::count == 1);
assert(p->get_int() == 67);
assert(p->get_char() == 'e');
}
{ // https://llvm.org/PR24137
std::shared_ptr<Foo> p1 = std::make_shared<Foo>();
assert(p1.get());
std::shared_ptr<const Foo> p2 = std::make_shared<const Foo>();
assert(p2.get());
}
test_pointer_to_function();
#if TEST_STD_VER >= 11
nc = globalMemCounter.outstanding_new;
{
char c = 'e';
std::shared_ptr<A> p = std::make_shared<A>(67, c);
assert(globalMemCounter.checkOutstandingNewEq(nc+1));
assert(A::count == 1);
assert(p->get_int() == 67);
assert(p->get_char() == 'e');
}
#endif
assert(A::count == 0);
// Make sure std::make_shared handles badly-behaved types properly
{
std::shared_ptr<operator_hijacker> p1 = std::make_shared<operator_hijacker>();
std::shared_ptr<operator_hijacker> p2 = std::make_shared<operator_hijacker>(operator_hijacker());
assert(p1 != nullptr);
assert(p2 != nullptr);
}
test<bool>(true);
test<int>(3);
test<double>(5.0);
return 0;
}
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