smart_ptr/test/allocate_unique_array_throws_test.cpp
2019-08-30 12:03:36 -04:00

133 lines
3.0 KiB
C++

/*
Copyright 2019 Glen Joseph Fernandes
(glenjofe@gmail.com)
Distributed under the Boost Software License, Version 1.0.
(http://www.boost.org/LICENSE_1_0.txt)
*/
#include <boost/config.hpp>
#if (!defined(BOOST_LIBSTDCXX_VERSION) || \
BOOST_LIBSTDCXX_VERSION >= 48000) && \
!defined(BOOST_NO_CXX11_SMART_PTR)
#include <boost/smart_ptr/allocate_unique.hpp>
#include <boost/core/lightweight_test.hpp>
template<class T = void>
struct creator {
typedef T value_type;
typedef T* pointer;
template<class U>
struct rebind {
typedef creator<U> other;
};
creator() { }
template<class U>
creator(const creator<U>&) { }
T* allocate(std::size_t size) {
return static_cast<T*>(::operator new(sizeof(T) * size));
}
void deallocate(T* ptr, std::size_t) {
::operator delete(ptr);
}
};
template<class T, class U>
inline bool
operator==(const creator<T>&, const creator<U>&)
{
return true;
}
template<class T, class U>
inline bool
operator!=(const creator<T>&, const creator<U>&)
{
return false;
}
class type {
public:
static unsigned instances;
type() {
if (instances == 5) {
throw true;
}
++instances;
}
~type() {
--instances;
}
private:
type(const type&);
type& operator=(const type&);
};
unsigned type::instances = 0;
int main()
{
try {
boost::allocate_unique<type[]>(creator<type>(), 6);
BOOST_ERROR("allocate_unique did not throw");
} catch (...) {
BOOST_TEST(type::instances == 0);
}
try {
boost::allocate_unique<type[][2]>(creator<type>(), 3);
BOOST_ERROR("allocate_unique did not throw");
} catch (...) {
BOOST_TEST(type::instances == 0);
}
try {
boost::allocate_unique<type[6]>(creator<>());
BOOST_ERROR("allocate_unique did not throw");
} catch (...) {
BOOST_TEST(type::instances == 0);
}
try {
boost::allocate_unique<type[3][2]>(creator<>());
BOOST_ERROR("allocate_unique did not throw");
} catch (...) {
BOOST_TEST(type::instances == 0);
}
try {
boost::allocate_unique_noinit<type[]>(creator<>(), 6);
BOOST_ERROR("allocate_unique_noinit did not throw");
} catch (...) {
BOOST_TEST(type::instances == 0);
}
try {
boost::allocate_unique_noinit<type[][2]>(creator<>(), 3);
BOOST_ERROR("allocate_unique_noinit did not throw");
} catch (...) {
BOOST_TEST(type::instances == 0);
}
try {
boost::allocate_unique_noinit<type[6]>(creator<>());
BOOST_ERROR("allocate_unique_noinit did not throw");
} catch (...) {
BOOST_TEST(type::instances == 0);
}
try {
boost::allocate_unique_noinit<type[3][2]>(creator<>());
BOOST_ERROR("allocate_unique_noinit did not throw");
} catch (...) {
BOOST_TEST(type::instances == 0);
}
return boost::report_errors();
}
#else
int main()
{
return 0;
}
#endif