81 lines
2.1 KiB
C++
81 lines
2.1 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_set>
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// size_type count(const key_type& x) const;
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#include <cassert>
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#include <deque>
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#include <flat_set>
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#include <functional>
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#include <utility>
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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>
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void test_one() {
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using Key = typename KeyContainer::value_type;
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using S = typename KeyContainer::size_type;
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{
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using M = std::flat_multiset<Key, std::less<>, KeyContainer>;
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M m = {1, 2, 2, 2, 2, 4, 4, 5, 8, 8, 8};
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ASSERT_SAME_TYPE(decltype(m.count(0)), S);
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assert(m.count(0) == 0);
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assert(m.count(1) == 1);
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assert(m.count(2) == 4);
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assert(m.count(3) == 0);
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assert(m.count(4) == 2);
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assert(m.count(5) == 1);
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assert(m.count(6) == 0);
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assert(m.count(7) == 0);
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assert(std::as_const(m).count(8) == 3);
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assert(std::as_const(m).count(9) == 0);
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}
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{
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using M = std::flat_multiset<Key, std::greater<int>, KeyContainer>;
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M m = {1, 2, 4, 4, 4, 4, 5, 5, 8};
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ASSERT_SAME_TYPE(decltype(m.count(0)), S);
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assert(m.count(0) == 0);
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assert(m.count(1) == 1);
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assert(m.count(2) == 1);
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assert(m.count(3) == 0);
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assert(m.count(4) == 4);
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assert(m.count(5) == 2);
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assert(m.count(6) == 0);
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assert(m.count(7) == 0);
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assert(std::as_const(m).count(8) == 1);
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assert(std::as_const(m).count(9) == 0);
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}
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{
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// empty
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using M = std::flat_multiset<Key, std::less<>, KeyContainer>;
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M m;
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assert(m.count(0) == 0);
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assert(m.count(1) == 0);
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}
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}
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void test() {
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test_one<std::vector<int>>();
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test_one<std::deque<int>>();
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test_one<MinSequenceContainer<int>>();
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test_one<std::vector<int, min_allocator<int>>>();
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}
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int main(int, char**) {
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test();
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return 0;
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}
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