def50f701f
fixes https://github.com/llvm/llvm-project/issues/105190 --------- Co-authored-by: Hui Xie <huixie@Mac.broadband> Co-authored-by: Hui Xie <huixie@Huis-MacBook-Pro.local>
52 lines
1.5 KiB
C++
52 lines
1.5 KiB
C++
//===----------------------------------------------------------------------===//
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//
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// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
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// See https://llvm.org/LICENSE.txt for license information.
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// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
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//
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//===----------------------------------------------------------------------===//
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// UNSUPPORTED: c++03, c++11, c++14, c++17, c++20
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// <flat_map>
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// class flat_multimap
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// [[nodiscard]] bool empty() const noexcept;
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#include <flat_map>
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#include <cassert>
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#include <deque>
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#include <functional>
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#include <utility>
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#include <vector>
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#include "MinSequenceContainer.h"
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#include "test_macros.h"
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#include "min_allocator.h"
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template <class KeyContainer, class ValueContainer>
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void test() {
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using Key = typename KeyContainer::value_type;
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using Value = typename ValueContainer::value_type;
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using M = std::flat_multimap<Key, Value, std::less<int>, KeyContainer, ValueContainer>;
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M m;
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ASSERT_SAME_TYPE(decltype(m.empty()), bool);
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ASSERT_NOEXCEPT(m.empty());
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assert(m.empty());
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assert(std::as_const(m).empty());
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m = {{1, 1.0}, {1, 2.0}};
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assert(!m.empty());
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m.clear();
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assert(m.empty());
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}
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int main(int, char**) {
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test<std::vector<int>, std::vector<double>>();
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test<std::deque<int>, std::vector<double>>();
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test<MinSequenceContainer<int>, MinSequenceContainer<double>>();
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test<std::vector<int, min_allocator<int>>, std::vector<double, min_allocator<double>>>();
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return 0;
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}
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