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
93 lines
2.5 KiB
C++
93 lines
2.5 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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// mapped_type& at(const key_type& k);
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// const mapped_type& at(const key_type& k) const;
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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 <stdexcept>
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#include <vector>
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#include "MinSequenceContainer.h"
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#include "min_allocator.h"
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#include "test_macros.h"
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template <class KeyContainer, class ValueContainer>
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void test() {
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using P = std::pair<int, double>;
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P ar[] = {
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P(1, 1.5),
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P(2, 2.5),
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P(3, 3.5),
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P(4, 4.5),
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P(5, 5.5),
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P(7, 7.5),
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P(8, 8.5),
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};
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const int one = 1;
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{
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std::flat_map<int, double, std::less<int>, KeyContainer, ValueContainer> m(ar, ar + sizeof(ar) / sizeof(ar[0]));
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ASSERT_SAME_TYPE(decltype(m.at(one)), double&);
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assert(m.size() == 7);
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assert(m.at(one) == 1.5);
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m.at(1) = -1.5;
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assert(m.at(1) == -1.5);
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assert(m.at(2) == 2.5);
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assert(m.at(3) == 3.5);
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assert(m.at(4) == 4.5);
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assert(m.at(5) == 5.5);
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#ifndef TEST_HAS_NO_EXCEPTIONS
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try {
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TEST_IGNORE_NODISCARD m.at(6);
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assert(false);
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} catch (std::out_of_range&) {
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}
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#endif
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assert(m.at(7) == 7.5);
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assert(m.at(8) == 8.5);
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assert(m.size() == 7);
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}
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{
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const std::flat_map<int, double, std::less<int>, KeyContainer, ValueContainer> m(
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ar, ar + sizeof(ar) / sizeof(ar[0]));
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ASSERT_SAME_TYPE(decltype(m.at(one)), const double&);
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assert(m.size() == 7);
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assert(m.at(one) == 1.5);
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assert(m.at(2) == 2.5);
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assert(m.at(3) == 3.5);
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assert(m.at(4) == 4.5);
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assert(m.at(5) == 5.5);
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#ifndef TEST_HAS_NO_EXCEPTIONS
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try {
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TEST_IGNORE_NODISCARD m.at(6);
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assert(false);
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} catch (std::out_of_range&) {
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}
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#endif
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assert(m.at(7) == 7.5);
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assert(m.at(8) == 8.5);
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assert(m.size() == 7);
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}
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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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