cxx/test/utilities/memory/util.smartptr/util.smartptr.shared/util.smartptr.shared.create/make_shared.pass.cpp
2012-02-18 20:12:03 +00:00

78 lines
1.6 KiB
C++

//===----------------------------------------------------------------------===//
//
// 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.
//
//===----------------------------------------------------------------------===//
// <memory>
// shared_ptr
// template<class T, class... Args> shared_ptr<T> make_shared(Args&&... args);
#include <memory>
#include <new>
#include <cstdlib>
#include <cassert>
int new_count = 0;
void* operator new(std::size_t s) throw(std::bad_alloc)
{
++new_count;
return std::malloc(s);
}
void operator delete(void* p) throw()
{
std::free(p);
}
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_;}
private:
int int_;
char char_;
};
int A::count = 0;
int main()
{
int nc = new_count;
{
int i = 67;
char c = 'e';
std::shared_ptr<A> p = std::make_shared<A>(i, c);
assert(new_count == nc+1);
assert(A::count == 1);
assert(p->get_int() == 67);
assert(p->get_char() == 'e');
}
#ifndef _LIBCPP_HAS_NO_RVALUE_REFERENCES
nc = new_count;
{
char c = 'e';
std::shared_ptr<A> p = std::make_shared<A>(67, c);
assert(new_count == nc+1);
assert(A::count == 1);
assert(p->get_int() == 67);
assert(p->get_char() == 'e');
}
#endif
assert(A::count == 0);
}