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Fix out of bounds access within {front|back}_extended_deque with empty deque.

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The insertion point is not correct with empty deque since the range
{next_down, next_up} is not half-open range.
This commit is contained in:
Kohei Takahashi
2014-11-30 03:58:20 +09:00
parent d05b854c58
commit ed9880c161
6 changed files with 86 additions and 23 deletions
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39
test/sequence/back_extended_deque.cpp
View File

@ -23,6 +23,45 @@
int main()
{
using namespace boost::fusion;
{
typedef deque<> initial_deque_type;
initial_deque_type initial_deque;
typedef back_extended_deque<initial_deque_type, long> extended_type;
extended_type extended(initial_deque, 101L);
BOOST_TEST(size(extended) == 1);
BOOST_TEST(extended == make_vector(101L));
BOOST_TEST(*begin(extended) == 101L);
BOOST_TEST(*prior(end(extended)) == 101L);
BOOST_TEST(distance(begin(extended), end(extended)) == 1);
}
{
namespace mpl = boost::mpl;
typedef deque<> initial_deque_type;
typedef back_extended_deque<initial_deque_type, long> extended_type;
BOOST_MPL_ASSERT((boost::is_same<mpl::at_c<extended_type, 0>::type, long>));
BOOST_MPL_ASSERT((boost::is_same<mpl::deref<mpl::begin<extended_type>::type>::type, long>));
BOOST_MPL_ASSERT((mpl::equal_to<mpl::size<extended_type>::type, mpl::int_<1> >));
}
{
long l(101L);
typedef deque<> initial_deque_type;
initial_deque_type initial_deque;
typedef back_extended_deque<initial_deque_type, long&> extended_type;
extended_type extended(initial_deque, l);
BOOST_TEST(extended == make_vector(101L));
long l2(202L);
extended_type extended2(initial_deque_type(), l2);
extended = extended2;
BOOST_TEST(extended == make_vector(202L));
BOOST_TEST(l == l2);
}
{
typedef deque<int, char> initial_deque_type;
initial_deque_type initial_deque(1, 'a');

39
test/sequence/front_extended_deque.cpp
View File

@ -23,6 +23,45 @@
int main()
{
using namespace boost::fusion;
{
typedef deque<> initial_deque_type;
initial_deque_type initial_deque;
typedef front_extended_deque<initial_deque_type, int> extended_type;
extended_type extended(initial_deque, 1);
BOOST_TEST(size(extended) == 1);
BOOST_TEST(extended == make_vector(1));
BOOST_TEST(*begin(extended) == 1);
BOOST_TEST(*prior(end(extended)) == 1);
BOOST_TEST(distance(begin(extended), end(extended)) == 1);
}
{
namespace mpl = boost::mpl;
typedef deque<> initial_deque_type;
typedef front_extended_deque<initial_deque_type, int> extended_type;
BOOST_MPL_ASSERT((boost::is_same<mpl::at_c<extended_type, 0>::type, int>));
BOOST_MPL_ASSERT((boost::is_same<mpl::deref<mpl::begin<extended_type>::type>::type, int>));
BOOST_MPL_ASSERT((mpl::equal_to<mpl::size<extended_type>::type, mpl::int_<1> >));
}
{
int i(1);
typedef deque<> initial_deque_type;
initial_deque_type initial_deque;
typedef front_extended_deque<initial_deque_type, int&> extended_type;
extended_type extended(initial_deque, i);
BOOST_TEST(extended == make_vector(1));
int i2(2);
extended_type extended2(initial_deque_type(), i2);
extended = extended2;
BOOST_TEST(extended == make_vector(2));
BOOST_TEST(i == i2);
}
{
typedef deque<char, long> initial_deque_type;
initial_deque_type initial_deque('a', 101L);