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Unordered: Implement reserve. Refs #6857.

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[SVN r78365]
This commit is contained in:
Daniel James
2012-05-07 10:58:32 +00:00
parent 275b03e76b
commit 32dc45b7bd
7 changed files with 133 additions and 2 deletions
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31
test/unordered/rehash_tests.cpp
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@@ -100,6 +100,34 @@ void rehash_test1(X* = 0,
tracker.compare(x);
}
template <class X>
void reserve_test(X* = 0,
test::random_generator generator = test::default_generator)
{
for (int random_mlf = 0; random_mlf < 2; ++random_mlf)
{
for (int i = 0; i < 2000; i += i < 50 ? 1 : 13)
{
test::random_values<X> v(i, generator);
test::ordered<X> tracker;
tracker.insert_range(v.begin(), v.end());
X x;
x.max_load_factor(random_mlf ?
static_cast<float>(std::rand() % 1000) / 500.0 + 0.5f : 1.0f);
// For the current standard this should reserve i+1, I've
// submitted a defect report and will assume it's a defect
// for now.
x.reserve(i);
std::size_t bucket_count = x.bucket_count();
x.insert(v.begin(), v.end());
BOOST_TEST(bucket_count == x.bucket_count());
tracker.compare(x);
}
}
}
boost::unordered_set<int>* int_set_ptr;
boost::unordered_multiset<int>* int_multiset_ptr;
boost::unordered_map<int, int>* int_map_ptr;
@@ -117,6 +145,9 @@ UNORDERED_TEST(rehash_empty_test3,
UNORDERED_TEST(rehash_test1,
((int_set_ptr)(int_multiset_ptr)(int_map_ptr)(int_multimap_ptr))
)
UNORDERED_TEST(reserve_test,
((int_set_ptr)(int_multiset_ptr)(int_map_ptr)(int_multimap_ptr))
)
}