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//===----------------------------------------------------------------------===//
//
// 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
//
//===----------------------------------------------------------------------===//
// UNSUPPORTED: c++03, c++11, c++14, c++17, c++20
// <flat_map>
// class flat_map
// void clear() noexcept;
#include <cassert>
#include <deque>
#include <flat_map>
#include <functional>
#include <vector>
#include "MinSequenceContainer.h"
#include "../helpers.h"
#include "test_macros.h"
#include "min_allocator.h"
// test noexcept
template <class T>
concept NoExceptClear = requires(T t) {
{ t.clear() } noexcept;
};
static_assert(NoExceptClear<std::flat_map<int, int>>);
#ifndef TEST_HAS_NO_EXCEPTIONS
static_assert(
NoExceptClear<std::flat_map<int, int, std::less<int>, ThrowOnMoveContainer<int>, ThrowOnMoveContainer<int>>>);
#endif
template <class KeyContainer, class ValueContainer>
void test() {
using Key = typename KeyContainer::value_type;
using Value = typename ValueContainer::value_type;
using M = std::flat_map<Key, Value, std::less<Key>, KeyContainer, ValueContainer>;
M m = {{1, 2}, {2, 1}, {3, 3}, {4, 1}, {5, 0}};
assert(m.size() == 5);
ASSERT_NOEXCEPT(m.clear());
ASSERT_SAME_TYPE(decltype(m.clear()), void);
m.clear();
assert(m.size() == 0);
}
int main(int, char**) {
test<std::vector<int>, std::vector<int>>();
test<std::vector<int>, std::vector<double>>();
test<std::deque<int>, std::vector<double>>();
test<MinSequenceContainer<int>, MinSequenceContainer<double>>();
test<std::vector<int, min_allocator<int>>, std::vector<double, min_allocator<double>>>();
test<std::vector<int, min_allocator<int>>, std::vector<int, min_allocator<int>>>();
return 0;
}
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