llvm/libcxx/test/std/containers/associative/multimap/multimap.cons/copy_assign.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
//
//===----------------------------------------------------------------------===//

// <map>

// class multimap

// multimap& operator=(const multimap& m);

#include <map>
#include <cassert>

#include "test_macros.h"
#include "../../../test_compare.h"
#include "test_allocator.h"
#include "min_allocator.h"

int main(int, char**)
{
    {
        typedef std::pair<const int, double> V;
        V ar[] =
        {
            V(1, 1),
            V(1, 1.5),
            V(1, 2),
            V(2, 1),
            V(2, 1.5),
            V(2, 2),
            V(3, 1),
            V(3, 1.5),
            V(3, 2),
        };
        typedef test_less<int> C;
        typedef test_allocator<V> A;
        std::multimap<int, double, C, A> mo(ar, ar+sizeof(ar)/sizeof(ar[0]), C(5), A(2));
        std::multimap<int, double, C, A> m(ar, ar+sizeof(ar)/sizeof(ar[0])/2, C(3), A(7));
        m = mo;
        assert(m == mo);
        assert(m.get_allocator() == A(7));
        assert(m.key_comp() == C(5));

        assert(mo.get_allocator() == A(2));
        assert(mo.key_comp() == C(5));
    }
    {
        typedef std::pair<const int, double> V;
        const V ar[] =
        {
            V(1, 1),
            V(1, 1.5),
            V(1, 2),
            V(2, 1),
            V(2, 1.5),
            V(2, 2),
            V(3, 1),
            V(3, 1.5),
            V(3, 2),
        };
        std::multimap<int, double> m(ar, ar+sizeof(ar)/sizeof(ar[0]));
        std::multimap<int, double> *p = &m;
        m = *p;
        assert(m.size() == sizeof(ar)/sizeof(ar[0]));
        assert(std::equal(m.begin(), m.end(), ar));
    }
    {
        typedef std::pair<const int, double> V;
        V ar[] =
        {
            V(1, 1),
            V(1, 1.5),
            V(1, 2),
            V(2, 1),
            V(2, 1.5),
            V(2, 2),
            V(3, 1),
            V(3, 1.5),
            V(3, 2),
        };
        typedef test_less<int> C;
        typedef other_allocator<V> A;
        std::multimap<int, double, C, A> mo(ar, ar+sizeof(ar)/sizeof(ar[0]), C(5), A(2));
        std::multimap<int, double, C, A> m(ar, ar+sizeof(ar)/sizeof(ar[0])/2, C(3), A(7));
        m = mo;
        assert(m == mo);
        assert(m.get_allocator() == A(2));
        assert(m.key_comp() == C(5));

        assert(mo.get_allocator() == A(2));
        assert(mo.key_comp() == C(5));
    }
#if TEST_STD_VER >= 11
    {
        typedef std::pair<const int, double> V;
        V ar[] =
        {
            V(1, 1),
            V(1, 1.5),
            V(1, 2),
            V(2, 1),
            V(2, 1.5),
            V(2, 2),
            V(3, 1),
            V(3, 1.5),
            V(3, 2),
        };
        typedef test_less<int> C;
        typedef min_allocator<V> A;
        std::multimap<int, double, C, A> mo(ar, ar+sizeof(ar)/sizeof(ar[0]), C(5), A());
        std::multimap<int, double, C, A> m(ar, ar+sizeof(ar)/sizeof(ar[0])/2, C(3), A());
        m = mo;
        assert(m == mo);
        assert(m.get_allocator() == A());
        assert(m.key_comp() == C(5));

        assert(mo.get_allocator() == A());
        assert(mo.key_comp() == C(5));
    }
#endif

  return 0;
}