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Unordered: Fix bug when erasing a range, refs #7471.

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[SVN r80894]
This commit is contained in:
Daniel James
2012-10-07 08:19:01 +00:00
parent 9b398ba0c9
commit 8f8ea09ce8
5 changed files with 56 additions and 3 deletions
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26
test/unordered/erase_equiv_tests.cpp
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@@ -12,6 +12,7 @@
#include "../helpers/test.hpp"
#include "../helpers/list.hpp"
#include "../helpers/invariants.hpp"
#include <set>
#include <iostream>
#include <iterator>
@@ -51,12 +52,21 @@ struct collision2_hash
int operator()(int x) const { return x & 1; }
};
// For testing erase in lots of buckets.
struct collision3_hash
{
int operator()(int x) const { return x; }
};
typedef boost::unordered_multimap<int, int,
collision_hash, std::equal_to<int>,
test::allocator1<std::pair<int const, int> > > collide_map;
typedef boost::unordered_multimap<int, int,
collision2_hash, std::equal_to<int>,
test::allocator2<std::pair<int const, int> > > collide_map2;
typedef boost::unordered_multimap<int, int,
collision3_hash, std::equal_to<int>,
test::allocator2<std::pair<int const, int> > > collide_map3;
typedef collide_map::value_type collide_value;
typedef test::list<collide_value> collide_list;
@@ -66,6 +76,7 @@ UNORDERED_AUTO_TEST(empty_range_tests)
x.erase(x.begin(), x.end());
x.erase(x.begin(), x.begin());
x.erase(x.end(), x.end());
test::check_equivalent_keys(x);
}
UNORDERED_AUTO_TEST(single_item_tests)
@@ -76,10 +87,13 @@ UNORDERED_AUTO_TEST(single_item_tests)
collide_map x(init.begin(), init.end());
x.erase(x.begin(), x.begin());
BOOST_TEST(x.count(1) == 1 && x.size() == 1);
test::check_equivalent_keys(x);
x.erase(x.end(), x.end());
BOOST_TEST(x.count(1) == 1 && x.size() == 1);
test::check_equivalent_keys(x);
x.erase(x.begin(), x.end());
BOOST_TEST(x.count(1) == 0 && x.size() == 0);
test::check_equivalent_keys(x);
}
UNORDERED_AUTO_TEST(two_equivalent_item_tests)
@@ -92,6 +106,7 @@ UNORDERED_AUTO_TEST(two_equivalent_item_tests)
collide_map x(init.begin(), init.end());
x.erase(x.begin(), x.end());
BOOST_TEST(x.count(1) == 0 && x.size() == 0);
test::check_equivalent_keys(x);
}
{
@@ -100,6 +115,7 @@ UNORDERED_AUTO_TEST(two_equivalent_item_tests)
x.erase(x.begin(), boost::next(x.begin()));
BOOST_TEST(x.count(1) == 1 && x.size() == 1 &&
x.begin()->first == 1 && x.begin()->second == value);
test::check_equivalent_keys(x);
}
{
@@ -108,6 +124,7 @@ UNORDERED_AUTO_TEST(two_equivalent_item_tests)
x.erase(boost::next(x.begin()), x.end());
BOOST_TEST(x.count(1) == 1 && x.size() == 1 &&
x.begin()->first == 1 && x.begin()->second == value);
test::check_equivalent_keys(x);
}
}
@@ -129,6 +146,8 @@ bool general_erase_range_test(Container& x, std::size_t start, std::size_t end)
collide_list l(x.begin(), x.end());
l.erase(boost::next(l.begin(), start), boost::next(l.begin(), end));
x.erase(boost::next(x.begin(), start), boost::next(x.begin(), end));
test::check_equivalent_keys(x);
return compare(l, x);
}
@@ -191,4 +210,11 @@ UNORDERED_AUTO_TEST(exhaustive_collide2_tests)
std::cout<<"\n";
}
UNORDERED_AUTO_TEST(exhaustive_collide3_tests)
{
std::cout<<"exhaustive_collide3_tests:\n";
exhaustive_erase_tests((collide_map3*) 0, 8, 4);
std::cout<<"\n";
}
RUN_TESTS()