| // -*- C++ -*- |
| //===-- replace_copy.pass.cpp ---------------------------------------------===// |
| // |
| // 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 |
| |
| // Tests for replace_copy and replace_copy_if |
| |
| #include "support/pstl_test_config.h" |
| |
| #include <execution> |
| #include <algorithm> |
| |
| #include "support/utils.h" |
| |
| using namespace TestUtils; |
| |
| struct test_replace_copy |
| { |
| template <typename Policy, typename InputIterator, typename OutputIterator, typename OutputIterator2, typename Size, |
| typename Predicate, typename T> |
| void |
| operator()(Policy&& exec, InputIterator first, InputIterator last, OutputIterator out_first, |
| OutputIterator out_last, OutputIterator2 expected_first, OutputIterator2, Size n, Predicate pred, |
| const T& old_value, const T& new_value, T trash) |
| { |
| // Cleaning |
| std::fill_n(expected_first, n, trash); |
| std::fill_n(out_first, n, trash); |
| // Run replace_copy |
| auto i = std::replace_copy(first, last, expected_first, old_value, new_value); |
| auto k = std::replace_copy(exec, first, last, out_first, old_value, new_value); |
| EXPECT_EQ_N(expected_first, out_first, n, "wrong replace_copy effect"); |
| EXPECT_TRUE(out_last == k, "wrong return value from replace_copy"); |
| |
| // Cleaning |
| std::fill_n(expected_first, n, trash); |
| std::fill_n(out_first, n, trash); |
| // Run replace_copy_if |
| i = replace_copy_if(first, last, expected_first, pred, new_value); |
| k = replace_copy_if(exec, first, last, out_first, pred, new_value); |
| EXPECT_EQ_N(expected_first, out_first, n, "wrong replace_copy_if effect"); |
| EXPECT_TRUE(out_last == k, "wrong return value from replace_copy_if"); |
| } |
| }; |
| |
| template <typename T, typename Convert, typename Predicate> |
| void |
| test(T trash, const T& old_value, const T& new_value, Predicate pred, Convert convert) |
| { |
| // Try sequences of various lengths. |
| for (size_t n = 0; n <= 100000; n = n <= 16 ? n + 1 : size_t(3.1415 * n)) |
| { |
| Sequence<T> in(n, [&](size_t k) -> T { return convert(n ^ k); }); |
| Sequence<T> out(n, [=](size_t) { return trash; }); |
| Sequence<T> expected(n, [=](size_t) { return trash; }); |
| |
| invoke_on_all_policies(test_replace_copy(), in.begin(), in.end(), out.begin(), out.end(), expected.begin(), |
| expected.end(), out.size(), pred, old_value, new_value, trash); |
| invoke_on_all_policies(test_replace_copy(), in.cbegin(), in.cend(), out.begin(), out.end(), expected.begin(), |
| expected.end(), out.size(), pred, old_value, new_value, trash); |
| } |
| } |
| |
| template <typename T> |
| struct test_non_const |
| { |
| template <typename Policy, typename InputIterator, typename OutputInterator> |
| void |
| operator()(Policy&& exec, InputIterator input_iter, OutputInterator out_iter) |
| { |
| auto is_even = [&](float64_t v) { |
| uint32_t i = (uint32_t)v; |
| return i % 2 == 0; |
| }; |
| |
| invoke_if(exec, [&]() { replace_copy_if(exec, input_iter, input_iter, out_iter, non_const(is_even), T(0)); }); |
| } |
| }; |
| |
| int |
| main() |
| { |
| |
| test<float64_t>(-666.0, 8.5, 0.33, [](const float64_t& x) { return x * x <= 1024; }, |
| [](size_t j) { return ((j + 1) % 7 & 2) != 0 ? 8.5 : float64_t(j % 32 + j); }); |
| |
| test<int32_t>(-666, 42, 99, [](const int32_t& x) { return x != 42; }, |
| [](size_t j) { return ((j + 1) % 5 & 2) != 0 ? 42 : -1 - int32_t(j); }); |
| |
| #if !defined(_PSTL_ICC_17_TEST_MAC_RELEASE_32_BROKEN) |
| test<Number>(Number(42, OddTag()), Number(2001, OddTag()), Number(2017, OddTag()), IsMultiple(3, OddTag()), |
| [](int32_t j) { return ((j + 1) % 3 & 2) != 0 ? Number(2001, OddTag()) : Number(j, OddTag()); }); |
| #endif |
| |
| test_algo_basic_double<int32_t>(run_for_rnd_fw<test_non_const<int32_t>>()); |
| |
| std::cout << done() << std::endl; |
| return 0; |
| } |