ad87d5f23d
This refactor includes the following changes: - Refactor similar tests using `types::for_each` to remove redundant code; - Explicitly include the missing header `type_algorithms.h` in some test files; - Some tests scattered in different test functions with ad-hoc names (e.g., `test5()`, `test6()`) but belong to the same kind are now grouped into one function (`test_struct_array()`).
68 lines
1.8 KiB
C++
68 lines
1.8 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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// <algorithm>
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// template<InputIterator InIter, OutputIterator<auto, InIter::reference> OutIter,
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// Predicate<auto, InIter::value_type> Pred>
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// requires CopyConstructible<Pred>
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// constexpr OutIter // constexpr after C++17
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// copy_if(InIter first, InIter last, OutIter result, Pred pred);
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#include <algorithm>
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#include <cassert>
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#include "test_macros.h"
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#include "test_iterators.h"
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#include "type_algorithms.h"
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struct Pred {
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TEST_CONSTEXPR_CXX14 bool operator()(int i) { return i % 3 == 0; }
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};
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template <class InIter>
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struct TestOutIters {
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template <class OutIter>
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TEST_CONSTEXPR_CXX20 void operator()() {
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const unsigned N = 1000;
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int ia[N] = {};
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for (unsigned i = 0; i < N; ++i)
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ia[i] = i;
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int ib[N] = {0};
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OutIter r = std::copy_if(InIter(ia), InIter(ia + N), OutIter(ib), Pred());
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assert(base(r) == ib + N / 3 + 1);
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for (unsigned i = 0; i < N / 3 + 1; ++i)
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assert(ib[i] % 3 == 0);
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}
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};
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struct TestInIters {
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template <class InIter>
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TEST_CONSTEXPR_CXX20 void operator()() {
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types::for_each(
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types::concatenate_t<types::cpp17_input_iterator_list<int*>, types::type_list<cpp17_output_iterator<int*> > >(),
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TestOutIters<InIter>());
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}
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};
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TEST_CONSTEXPR_CXX20 bool test() {
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types::for_each(types::cpp17_input_iterator_list<const int*>(), TestInIters());
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return true;
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}
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int main(int, char**) {
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test();
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#if TEST_STD_VER > 17
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static_assert(test());
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#endif
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return 0;
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}
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