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Add allocate_shared and make_shared for shared_ptr arrays of runtime size. Fulfills need for allocate_shared_array and make_shared_array.

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[SVN r81219]
This commit is contained in:
Glen Fernandes
2012-11-06 14:17:32 +00:00
parent 2ba7b6b99b
commit 6662ae7242
13 changed files with 878 additions and 0 deletions
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118
test/make_shared_array_test.cpp Normal file
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/*
* Copyright (c) 2012 Glen Joseph Fernandes
* glenfe at live dot com
*
* Distributed under the Boost Software License,
* Version 1.0. (See accompanying file LICENSE_1_0.txt
* or copy at http://boost.org/LICENSE_1_0.txt)
*/
#include <boost/detail/lightweight_test.hpp>
#include <boost/smart_ptr/make_shared_array.hpp>
#include <boost/smart_ptr/weak_ptr.hpp>
#include <boost/type_traits/alignment_of.hpp>
class type {
public:
static unsigned int instances;
explicit type(int = 0, int = 0)
: member() {
instances++;
}
~type() {
instances--;
}
private:
type(const type&);
type& operator=(const type&);
double member;
};
unsigned int type::instances = 0;
int main() {
{
boost::shared_ptr<int[]> a1 = boost::make_shared<int[]>(3);
int* a2 = a1.get();
BOOST_TEST(a1.use_count() == 1);
BOOST_TEST(a2 != 0);
BOOST_TEST(size_t(a2) % boost::alignment_of<int>::value == 0);
BOOST_TEST(a1[0] == 0);
BOOST_TEST(a1[1] == 0);
BOOST_TEST(a1[2] == 0);
}
{
boost::shared_ptr<const int[]> a1 = boost::make_shared<const int[]>(3);
const int* a2 = a1.get();
BOOST_TEST(a1.use_count() == 1);
BOOST_TEST(a2 != 0);
BOOST_TEST(size_t(a2) % boost::alignment_of<int>::value == 0);
BOOST_TEST(a1[0] == 0);
BOOST_TEST(a1[1] == 0);
BOOST_TEST(a1[2] == 0);
}
BOOST_TEST(type::instances == 0);
{
boost::shared_ptr<type[]> a1 = boost::make_shared<type[]>(3);
type* a2 = a1.get();
BOOST_TEST(a1.use_count() == 1);
BOOST_TEST(a2 != 0);
BOOST_TEST(size_t(a2) % boost::alignment_of<type>::value == 0);
BOOST_TEST(type::instances == 3);
boost::weak_ptr<type[]> w1 = a1;
a1.reset();
BOOST_TEST(type::instances == 0);
}
BOOST_TEST(type::instances == 0);
{
boost::shared_ptr<const type[]> a1 = boost::make_shared<const type[]>(3);
const type* a2 = a1.get();
BOOST_TEST(a1.use_count() == 1);
BOOST_TEST(a2 != 0);
BOOST_TEST(size_t(a2) % boost::alignment_of<type>::value == 0);
BOOST_TEST(type::instances == 3);
}
#if defined(BOOST_HAS_VARIADIC_TMPL) && defined(BOOST_HAS_RVALUE_REFS)
BOOST_TEST(type::instances == 0);
{
boost::shared_ptr<type[]> a1 = boost::make_shared<type[]>(3, 1, 5);
type* a2 = a1.get();
BOOST_TEST(type::instances == 3);
BOOST_TEST(a2 != 0);
BOOST_TEST(size_t(a2) % boost::alignment_of<type>::value == 0);
a1.reset();
BOOST_TEST(type::instances == 0);
}
#endif
{
boost::shared_ptr<int[]> a1 = boost::make_shared_noinit<int[]>(3);
int* a2 = a1.get();
BOOST_TEST(a2 != 0);
BOOST_TEST(size_t(a2) % boost::alignment_of<int>::value == 0);
}
{
boost::shared_ptr<const int[]> a1 = boost::make_shared_noinit<const int[]>(3);
const int* a2 = a1.get();
BOOST_TEST(a2 != 0);
BOOST_TEST(size_t(a2) % boost::alignment_of<int>::value == 0);
}
BOOST_TEST(type::instances == 0);
{
boost::shared_ptr<type[]> a1 = boost::make_shared_noinit<type[]>(3);
type* a2 = a1.get();
BOOST_TEST(a2 != 0);
BOOST_TEST(size_t(a2) % boost::alignment_of<type>::value == 0);
BOOST_TEST(type::instances == 3);
boost::weak_ptr<type[]> w1 = a1;
a1.reset();
BOOST_TEST(type::instances == 0);
}
BOOST_TEST(type::instances == 0);
{
boost::shared_ptr<const type[]> a1 = boost::make_shared_noinit<const type[]>(3);
const type* a2 = a1.get();
BOOST_TEST(a2 != 0);
BOOST_TEST(size_t(a2) % boost::alignment_of<type>::value == 0);
BOOST_TEST(type::instances == 3);
}
return boost::report_errors();
}