llvm/libcxx/test/std/containers/associative/map/map.cons/initializer_list_compare.pass.cpp

//===----------------------------------------------------------------------===//
//
// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
// See https://llvm.org/LICENSE.txt for license information.
// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
//
//===----------------------------------------------------------------------===//

// UNSUPPORTED: c++03

// <map>

// class map

// map(initializer_list<value_type> il, const key_compare& comp);

#include <map>
#include <cassert>
#include "test_macros.h"
#include "../../../test_compare.h"
#include "min_allocator.h"

int main(int, char**)
{
    {
    typedef std::pair<const int, double> V;
    typedef test_less<int> C;
    std::map<int, double, C> m({
                                {1, 1},
                                {1, 1.5},
                                {1, 2},
                                {2, 1},
                                {2, 1.5},
                                {2, 2},
                                {3, 1},
                                {3, 1.5},
                                {3, 2}
                               }, C(3));
    assert(m.size() == 3);
    assert(std::distance(m.begin(), m.end()) == 3);
    assert(*m.begin() == V(1, 1));
    assert(*std::next(m.begin()) == V(2, 1));
    assert(*std::next(m.begin(), 2) == V(3, 1));
    assert(m.key_comp() == C(3));
    }
    {
    typedef std::pair<const int, double> V;
    typedef test_less<int> C;
    std::map<int, double, C, min_allocator<std::pair<const int, double>>> m({
                                {1, 1},
                                {1, 1.5},
                                {1, 2},
                                {2, 1},
                                {2, 1.5},
                                {2, 2},
                                {3, 1},
                                {3, 1.5},
                                {3, 2}
                               }, C(3));
    assert(m.size() == 3);
    assert(std::distance(m.begin(), m.end()) == 3);
    assert(*m.begin() == V(1, 1));
    assert(*std::next(m.begin()) == V(2, 1));
    assert(*std::next(m.begin(), 2) == V(3, 1));
    assert(m.key_comp() == C(3));
    }

  return 0;
}