|
| 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-exception |
| 6 | +// |
| 7 | +//===----------------------------------------------------------------------===// |
| 8 | + |
| 9 | +// UNSUPPORTED: c++98, c++03, c++11, c++14, c++17 |
| 10 | + |
| 11 | +#include <cassert> |
| 12 | +#include <unordered_map> |
| 13 | + |
| 14 | +// <unordered_map> |
| 15 | + |
| 16 | +// bool contains(const key_type& x) const; |
| 17 | + |
| 18 | +template <typename T, typename P, typename B, typename... Pairs> |
| 19 | +void test(B bad, Pairs... args) { |
| 20 | + T map; |
| 21 | + P pairs[] = {args...}; |
| 22 | + |
| 23 | + for (auto& p : pairs) map.insert(p); |
| 24 | + for (auto& p : pairs) assert(map.contains(p.first)); |
| 25 | + |
| 26 | + assert(!map.contains(bad)); |
| 27 | +} |
| 28 | + |
| 29 | +struct E { int a = 1; double b = 1; char c = 1; }; |
| 30 | + |
| 31 | +int main(int, char**) |
| 32 | +{ |
| 33 | + { |
| 34 | + test<std::unordered_map<char, int>, std::pair<char, int> >( |
| 35 | + 'e', std::make_pair('a', 10), std::make_pair('b', 11), |
| 36 | + std::make_pair('c', 12), std::make_pair('d', 13)); |
| 37 | + |
| 38 | + test<std::unordered_map<char, char>, std::pair<char, char> >( |
| 39 | + 'e', std::make_pair('a', 'a'), std::make_pair('b', 'a'), |
| 40 | + std::make_pair('c', 'a'), std::make_pair('d', 'b')); |
| 41 | + |
| 42 | + test<std::unordered_map<int, E>, std::pair<int, E> >( |
| 43 | + -1, std::make_pair(1, E{}), std::make_pair(2, E{}), |
| 44 | + std::make_pair(3, E{}), std::make_pair(4, E{})); |
| 45 | + } |
| 46 | + { |
| 47 | + test<std::unordered_multimap<char, int>, std::pair<char, int> >( |
| 48 | + 'e', std::make_pair('a', 10), std::make_pair('b', 11), |
| 49 | + std::make_pair('c', 12), std::make_pair('d', 13)); |
| 50 | + |
| 51 | + test<std::unordered_multimap<char, char>, std::pair<char, char> >( |
| 52 | + 'e', std::make_pair('a', 'a'), std::make_pair('b', 'a'), |
| 53 | + std::make_pair('c', 'a'), std::make_pair('d', 'b')); |
| 54 | + |
| 55 | + test<std::unordered_multimap<int, E>, std::pair<int, E> >( |
| 56 | + -1, std::make_pair(1, E{}), std::make_pair(2, E{}), |
| 57 | + std::make_pair(3, E{}), std::make_pair(4, E{})); |
| 58 | + } |
| 59 | + |
| 60 | + return 0; |
| 61 | +} |
| 62 | + |
0 commit comments