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[boost][range] - Ticket 5236 - Improved test coverage to ensure that the result for a random access strided range is consistent with that of a bidirectional strided range.

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[SVN r72108]
This commit is contained in:
Neil Groves
2011-05-22 22:15:14 +00:00
parent 846f11a96c
commit 41b76f8f5c
1 changed files with 16 additions and 3 deletions
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17
test/adaptor_test/strided.cpp
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@ -252,14 +252,19 @@ namespace boost
} }
template<typename Range> template<typename Range>
void strided_test_ticket_5236_check(const Range& rng) void strided_test_ticket_5236_check_bidirectional(const Range& rng)
{ {
BOOST_CHECK_EQUAL( boost::distance(rng), 1 ); BOOST_CHECK_EQUAL( boost::distance(rng), 1 );
BOOST_CHECK_EQUAL( std::distance(boost::begin(rng), boost::prior(boost::end(rng))), 0 ); BOOST_CHECK_EQUAL( std::distance(boost::begin(rng), boost::prior(boost::end(rng))), 0 );
}
template<typename Range>
void strided_test_ticket_5236_check(const Range& rng)
{
strided_test_ticket_5236_check_bidirectional(rng);
typename boost::range_iterator<const Range>::type it = boost::end(rng); typename boost::range_iterator<const Range>::type it = boost::end(rng);
it = it - 1; it = it - 1;
BOOST_CHECK_EQUAL( std::distance(boost::begin(rng), it), 0 ); BOOST_CHECK_EQUAL( std::distance(boost::begin(rng), it), 0 );
} }
@ -268,7 +273,15 @@ namespace boost
std::vector<int> v; std::vector<int> v;
v.push_back(1); v.push_back(1);
strided_test_ticket_5236_check( v | boost::adaptors::strided(2) ); strided_test_ticket_5236_check( v | boost::adaptors::strided(2) );
// Ensure that there is consistency between the random-access implementation
// and the bidirectional.
std::list<int> l;
l.push_back(1);
strided_test_ticket_5236_check_bidirectional( l | boost::adaptors::strided(2) );
} }
} }
} }