86 lines · cpp
1//===----------------------------------------------------------------------===//2//3// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.4// See https://llvm.org/LICENSE.txt for license information.5// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception6//7//===----------------------------------------------------------------------===//8 9// <map>10 11// class multimap12 13// template <class InputIterator>14// multimap(InputIterator first, InputIterator last,15// const key_compare& comp);16 17#include <map>18#include <cassert>19 20#include "test_macros.h"21#include "../../../test_compare.h"22#include "min_allocator.h"23 24int main(int, char**) {25 {26 typedef std::pair<const int, double> V;27 V ar[] = {28 V(1, 1),29 V(1, 1.5),30 V(1, 2),31 V(2, 1),32 V(2, 1.5),33 V(2, 2),34 V(3, 1),35 V(3, 1.5),36 V(3, 2),37 };38 typedef test_less<int> C;39 std::multimap<int, double, C> m(ar, ar + sizeof(ar) / sizeof(ar[0]), C(5));40 assert(m.key_comp() == C(5));41 assert(m.size() == 9);42 assert(std::distance(m.begin(), m.end()) == 9);43 assert(*m.begin() == V(1, 1));44 assert(*std::next(m.begin()) == V(1, 1.5));45 assert(*std::next(m.begin(), 2) == V(1, 2));46 assert(*std::next(m.begin(), 3) == V(2, 1));47 assert(*std::next(m.begin(), 4) == V(2, 1.5));48 assert(*std::next(m.begin(), 5) == V(2, 2));49 assert(*std::next(m.begin(), 6) == V(3, 1));50 assert(*std::next(m.begin(), 7) == V(3, 1.5));51 assert(*std::next(m.begin(), 8) == V(3, 2));52 }53#if TEST_STD_VER >= 1154 {55 typedef std::pair<const int, double> V;56 V ar[] = {57 V(1, 1),58 V(1, 1.5),59 V(1, 2),60 V(2, 1),61 V(2, 1.5),62 V(2, 2),63 V(3, 1),64 V(3, 1.5),65 V(3, 2),66 };67 typedef test_less<int> C;68 std::multimap<int, double, C, min_allocator<V>> m(ar, ar + sizeof(ar) / sizeof(ar[0]), C(5));69 assert(m.key_comp() == C(5));70 assert(m.size() == 9);71 assert(std::distance(m.begin(), m.end()) == 9);72 assert(*m.begin() == V(1, 1));73 assert(*std::next(m.begin()) == V(1, 1.5));74 assert(*std::next(m.begin(), 2) == V(1, 2));75 assert(*std::next(m.begin(), 3) == V(2, 1));76 assert(*std::next(m.begin(), 4) == V(2, 1.5));77 assert(*std::next(m.begin(), 5) == V(2, 2));78 assert(*std::next(m.begin(), 6) == V(3, 1));79 assert(*std::next(m.begin(), 7) == V(3, 1.5));80 assert(*std::next(m.begin(), 8) == V(3, 2));81 }82#endif83 84 return 0;85}86