cxx/test/containers/associative/multiset/find.pass.cpp

//===----------------------------------------------------------------------===//
//
//                     The LLVM Compiler Infrastructure
//
// This file is dual licensed under the MIT and the University of Illinois Open
// Source Licenses. See LICENSE.TXT for details.
//
//===----------------------------------------------------------------------===//

// <set>

// class multiset

//       iterator find(const key_type& k);
// const_iterator find(const key_type& k) const;

#include <set>
#include <cassert>

#include "../../min_allocator.h"

int main()
{
    {
        typedef int V;
        typedef std::multiset<int> M;
        {
            typedef M::iterator R;
            V ar[] =
            {
                5,
                6,
                7,
                8,
                9,
                10,
                11,
                12
            };
            M m(ar, ar+sizeof(ar)/sizeof(ar[0]));
            R r = m.find(5);
            assert(r == m.begin());
            r = m.find(6);
            assert(r == next(m.begin()));
            r = m.find(7);
            assert(r == next(m.begin(), 2));
            r = m.find(8);
            assert(r == next(m.begin(), 3));
            r = m.find(9);
            assert(r == next(m.begin(), 4));
            r = m.find(10);
            assert(r == next(m.begin(), 5));
            r = m.find(11);
            assert(r == next(m.begin(), 6));
            r = m.find(12);
            assert(r == next(m.begin(), 7));
            r = m.find(4);
            assert(r == next(m.begin(), 8));
        }
        {
            typedef M::const_iterator R;
            V ar[] =
            {
                5,
                6,
                7,
                8,
                9,
                10,
                11,
                12
            };
            const M m(ar, ar+sizeof(ar)/sizeof(ar[0]));
            R r = m.find(5);
            assert(r == m.begin());
            r = m.find(6);
            assert(r == next(m.begin()));
            r = m.find(7);
            assert(r == next(m.begin(), 2));
            r = m.find(8);
            assert(r == next(m.begin(), 3));
            r = m.find(9);
            assert(r == next(m.begin(), 4));
            r = m.find(10);
            assert(r == next(m.begin(), 5));
            r = m.find(11);
            assert(r == next(m.begin(), 6));
            r = m.find(12);
            assert(r == next(m.begin(), 7));
            r = m.find(4);
            assert(r == next(m.begin(), 8));
        }
    }
#if __cplusplus >= 201103L
    {
        typedef int V;
        typedef std::multiset<int, std::less<int>, min_allocator<int>> M;
        {
            typedef M::iterator R;
            V ar[] =
            {
                5,
                6,
                7,
                8,
                9,
                10,
                11,
                12
            };
            M m(ar, ar+sizeof(ar)/sizeof(ar[0]));
            R r = m.find(5);
            assert(r == m.begin());
            r = m.find(6);
            assert(r == next(m.begin()));
            r = m.find(7);
            assert(r == next(m.begin(), 2));
            r = m.find(8);
            assert(r == next(m.begin(), 3));
            r = m.find(9);
            assert(r == next(m.begin(), 4));
            r = m.find(10);
            assert(r == next(m.begin(), 5));
            r = m.find(11);
            assert(r == next(m.begin(), 6));
            r = m.find(12);
            assert(r == next(m.begin(), 7));
            r = m.find(4);
            assert(r == next(m.begin(), 8));
        }
        {
            typedef M::const_iterator R;
            V ar[] =
            {
                5,
                6,
                7,
                8,
                9,
                10,
                11,
                12
            };
            const M m(ar, ar+sizeof(ar)/sizeof(ar[0]));
            R r = m.find(5);
            assert(r == m.begin());
            r = m.find(6);
            assert(r == next(m.begin()));
            r = m.find(7);
            assert(r == next(m.begin(), 2));
            r = m.find(8);
            assert(r == next(m.begin(), 3));
            r = m.find(9);
            assert(r == next(m.begin(), 4));
            r = m.find(10);
            assert(r == next(m.begin(), 5));
            r = m.find(11);
            assert(r == next(m.begin(), 6));
            r = m.find(12);
            assert(r == next(m.begin(), 7));
            r = m.find(4);
            assert(r == next(m.begin(), 8));
        }
    }
#endif
}