test/containers/associative/map/map.cons/assign_initializer_list.pass.cpp

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

// <map>

// class map

// map& operator=(initializer_list<value_type> il);

#include <map>
#include <cassert>

int main()
{
#ifndef _LIBCPP_HAS_NO_RVALUE_REFERENCES
    typedef std::pair<const int, double> V;
    std::map<int, double> m =
                            {
                                {20, 1},
                            };
    m =
                            {
                                {1, 1},
                                {1, 1.5},
                                {1, 2},
                                {2, 1},
                                {2, 1.5},
                                {2, 2},
                                {3, 1},
                                {3, 1.5},
                                {3, 2}
                            };
    assert(m.size() == 3);
    assert(distance(m.begin(), m.end()) == 3);
    assert(*m.begin() == V(1, 1));
    assert(*next(m.begin()) == V(2, 1));
    assert(*next(m.begin(), 2) == V(3, 1));
#endif  // _LIBCPP_HAS_NO_RVALUE_REFERENCES
}