0be1883c36
Around half of the tests are based on the tests Arthur O'Dwyer's original implementation of std::flat_map, with modifications and removals. partially implement #105190
65 lines
1.9 KiB
C++
65 lines
1.9 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_map
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// void clear() noexcept;
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#include <cassert>
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#include <deque>
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#include <flat_map>
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#include <functional>
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#include <vector>
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#include "MinSequenceContainer.h"
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#include "../helpers.h"
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#include "test_macros.h"
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#include "min_allocator.h"
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// test noexcept
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template <class T>
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concept NoExceptClear = requires(T t) {
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{ t.clear() } noexcept;
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};
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static_assert(NoExceptClear<std::flat_map<int, int>>);
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#ifndef TEST_HAS_NO_EXCEPTIONS
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static_assert(
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NoExceptClear<std::flat_map<int, int, std::less<int>, ThrowOnMoveContainer<int>, ThrowOnMoveContainer<int>>>);
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#endif
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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_map<Key, Value, std::less<Key>, KeyContainer, ValueContainer>;
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M m = {{1, 2}, {2, 1}, {3, 3}, {4, 1}, {5, 0}};
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assert(m.size() == 5);
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ASSERT_NOEXCEPT(m.clear());
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ASSERT_SAME_TYPE(decltype(m.clear()), void);
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m.clear();
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assert(m.size() == 0);
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}
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int main(int, char**) {
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test<std::vector<int>, std::vector<int>>();
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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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test<std::vector<int, min_allocator<int>>, std::vector<int, min_allocator<int>>>();
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return 0;
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}
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