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[boost][range] - Improved handling of temporary ranges in range algorithms.

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[SVN r63903]
This commit is contained in:
Neil Groves
2010-07-12 00:12:49 +00:00
parent ef000176d8
commit 74a01a4487
57 changed files with 1178 additions and 216 deletions
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26
test/algorithm_test/nth_element.cpp
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@ -29,7 +29,21 @@ namespace boost
template<class Container, class Iterator>
void test_nth_element(Container& cont, Iterator mid)
{
const Container old_cont(cont);
boost::nth_element(cont, mid);
// Test the same operation on the container, for the
// case where a temporary is passed as the first
// argument.
Container cont2(old_cont);
const std::size_t index = std::distance(cont.begin(), mid);
Iterator mid2(cont2.begin());
std::advance(mid2, index);
boost::nth_element(boost::make_iterator_range(cont2), mid2);
BOOST_CHECK_EQUAL_COLLECTIONS( cont.begin(), cont.end(),
cont2.begin(), cont2.end() );
}
template<class Container, class Iterator>
@ -45,7 +59,19 @@ namespace boost
template<class Container, class Iterator>
void test_nth_element(Container& cont, Iterator mid)
{
const Container old_cont(cont);
boost::nth_element(cont, mid, BinaryPredicate());
Container cont2(old_cont);
const std::size_t index = std::distance(cont.begin(), mid);
Iterator mid2(cont2.begin());
std::advance(mid2, index);
boost::nth_element(boost::make_iterator_range(cont2), mid2,
BinaryPredicate());
BOOST_CHECK_EQUAL_COLLECTIONS( cont.begin(), cont.end(),
cont2.begin(), cont2.end() );
}
template<class Container, class Iterator>