cxx/test/containers/unord/unord.multiset/iterators.pass.cpp

//===----------------------------------------------------------------------===//
//
//                     The LLVM Compiler Infrastructure
//
// This file is distributed under the University of Illinois Open Source
// License. See LICENSE.TXT for details.
//
//===----------------------------------------------------------------------===//

// <unordered_set>

// template <class Value, class Hash = hash<Value>, class Pred = equal_to<Value>,
//           class Alloc = allocator<Value>>
// class unordered_multiset

// iterator       begin();
// iterator       end();
// const_iterator begin()  const;
// const_iterator end()    const;
// const_iterator cbegin() const;
// const_iterator cend()   const;

#include <unordered_set>
#include <cassert>

int main()
{
    {
        typedef std::unordered_multiset<int> C;
        typedef int P;
        P a[] =
        {
            P(1),
            P(2),
            P(3),
            P(4),
            P(1),
            P(2)
        };
        C c(a, a + sizeof(a)/sizeof(a[0]));
        assert(c.bucket_count() >= 7);
        assert(c.size() == 6);
        assert(std::distance(c.begin(), c.end()) == c.size());
        assert(std::distance(c.cbegin(), c.cend()) == c.size());
    }
    {
        typedef std::unordered_multiset<int> C;
        typedef int P;
        P a[] =
        {
            P(1),
            P(2),
            P(3),
            P(4),
            P(1),
            P(2)
        };
        const C c(a, a + sizeof(a)/sizeof(a[0]));
        assert(c.bucket_count() >= 7);
        assert(c.size() == 6);
        assert(std::distance(c.begin(), c.end()) == c.size());
        assert(std::distance(c.cbegin(), c.cend()) == c.size());
    }
}