| //===----------------------------------------------------------------------===// |
| // |
| // 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 |
| // |
| //===----------------------------------------------------------------------===// |
| |
| // <unordered_map> |
| |
| // class unordered_multimap |
| |
| // size_type size() const noexcept; |
| |
| #include <unordered_map> |
| #include <cassert> |
| |
| #include "test_macros.h" |
| #include "min_allocator.h" |
| |
| int main(int, char**) |
| { |
| { |
| typedef std::unordered_multimap<int, double> M; |
| M m; |
| ASSERT_NOEXCEPT(m.size()); |
| assert(m.size() == 0); |
| m.insert(M::value_type(2, 1.5)); |
| assert(m.size() == 1); |
| m.insert(M::value_type(1, 1.5)); |
| assert(m.size() == 2); |
| m.insert(M::value_type(3, 1.5)); |
| assert(m.size() == 3); |
| m.erase(m.begin()); |
| assert(m.size() == 2); |
| m.erase(m.begin()); |
| assert(m.size() == 1); |
| m.erase(m.begin()); |
| assert(m.size() == 0); |
| } |
| #if TEST_STD_VER >= 11 |
| { |
| typedef std::unordered_multimap<int, double, std::hash<int>, std::equal_to<int>, min_allocator<std::pair<const int, double>>> M; |
| M m; |
| ASSERT_NOEXCEPT(m.size()); |
| assert(m.size() == 0); |
| m.insert(M::value_type(2, 1.5)); |
| assert(m.size() == 1); |
| m.insert(M::value_type(1, 1.5)); |
| assert(m.size() == 2); |
| m.insert(M::value_type(3, 1.5)); |
| assert(m.size() == 3); |
| m.erase(m.begin()); |
| assert(m.size() == 2); |
| m.erase(m.begin()); |
| assert(m.size() == 1); |
| m.erase(m.begin()); |
| assert(m.size() == 0); |
| } |
| #endif |
| |
| return 0; |
| } |