| // -*- C++ -*- |
| //===-- remove.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 |
| |
| // Test for remove, remove_if |
| #include "support/pstl_test_config.h" |
| |
| #include <execution> |
| #include <algorithm> |
| |
| #include "support/utils.h" |
| |
| using namespace TestUtils; |
| |
| struct run_remove |
| { |
| #if _PSTL_ICC_17_VC141_TEST_SIMD_LAMBDA_DEBUG_32_BROKEN || \ |
| _PSTL_ICC_16_VC14_TEST_SIMD_LAMBDA_DEBUG_32_BROKEN //dummy specialization by policy type, in case of broken configuration |
| template <typename InputIterator, typename OutputIterator, typename Size, typename T> |
| void |
| operator()(pstl::execution::unsequenced_policy, InputIterator first, InputIterator last, OutputIterator out_first, |
| OutputIterator out_last, OutputIterator expected_first, OutputIterator expected_last, Size n, |
| const T& value) |
| { |
| } |
| template <typename InputIterator, typename OutputIterator, typename Size, typename T> |
| void |
| operator()(pstl::execution::parallel_unsequenced_policy, InputIterator first, InputIterator last, |
| OutputIterator out_first, OutputIterator out_last, OutputIterator expected_first, |
| OutputIterator expected_last, Size n, const T& value) |
| { |
| } |
| #endif |
| |
| template <typename Policy, typename InputIterator, typename OutputIterator, typename Size, typename T> |
| void |
| operator()(Policy&& exec, InputIterator first, InputIterator last, OutputIterator out_first, |
| OutputIterator out_last, OutputIterator expected_first, OutputIterator expected_last, Size, |
| const T& value) |
| { |
| // Cleaning |
| std::copy(first, last, expected_first); |
| std::copy(first, last, out_first); |
| |
| // Run remove |
| OutputIterator i = remove(expected_first, expected_last, value); |
| OutputIterator k = remove(exec, out_first, out_last, value); |
| EXPECT_TRUE(std::distance(expected_first, i) == std::distance(out_first, k), "wrong return value from remove"); |
| EXPECT_EQ_N(expected_first, out_first, std::distance(expected_first, i), "wrong remove effect"); |
| } |
| }; |
| |
| struct run_remove_if |
| { |
| #if _PSTL_ICC_17_VC141_TEST_SIMD_LAMBDA_DEBUG_32_BROKEN || \ |
| _PSTL_ICC_16_VC14_TEST_SIMD_LAMBDA_DEBUG_32_BROKEN //dummy specialization by policy type, in case of broken configuration |
| template <typename InputIterator, typename OutputIterator, typename Size, typename Predicate> |
| void |
| operator()(pstl::execution::unsequenced_policy, InputIterator first, InputIterator last, OutputIterator out_first, |
| OutputIterator out_last, OutputIterator expected_first, OutputIterator expected_last, Size n, |
| Predicate pred) |
| { |
| } |
| template <typename InputIterator, typename OutputIterator, typename Size, typename Predicate> |
| void |
| operator()(pstl::execution::parallel_unsequenced_policy, InputIterator first, InputIterator last, |
| OutputIterator out_first, OutputIterator out_last, OutputIterator expected_first, |
| OutputIterator expected_last, Size n, Predicate pred) |
| { |
| } |
| #endif |
| |
| template <typename Policy, typename InputIterator, typename OutputIterator, typename Size, typename Predicate> |
| void |
| operator()(Policy&& exec, InputIterator first, InputIterator last, OutputIterator out_first, |
| OutputIterator out_last, OutputIterator expected_first, OutputIterator expected_last, Size, |
| Predicate pred) |
| { |
| // Cleaning |
| std::copy(first, last, expected_first); |
| std::copy(first, last, out_first); |
| |
| // Run remove_if |
| OutputIterator i = remove_if(expected_first, expected_last, pred); |
| OutputIterator k = remove_if(exec, out_first, out_last, pred); |
| EXPECT_TRUE(std::distance(expected_first, i) == std::distance(out_first, k), |
| "wrong return value from remove_if"); |
| EXPECT_EQ_N(expected_first, out_first, std::distance(expected_first, i), "wrong remove_if effect"); |
| } |
| }; |
| |
| template <typename T, typename Predicate, typename Convert> |
| void |
| test(T trash, const T& value, Predicate pred, Convert convert) |
| { |
| const std::size_t max_size = 100000; |
| Sequence<T> out(max_size, [trash](size_t) { return trash; }); |
| Sequence<T> expected(max_size, [trash](size_t) { return trash; }); |
| |
| for (size_t n = 0; n <= max_size; n = n <= 16 ? n + 1 : size_t(3.1415 * n)) |
| { |
| Sequence<T> data(n, [&](size_t k) -> T { return convert(k); }); |
| |
| invoke_on_all_policies(run_remove(), data.begin(), data.end(), out.begin(), out.begin() + n, expected.begin(), |
| expected.begin() + n, n, value); |
| invoke_on_all_policies(run_remove_if(), data.begin(), data.end(), out.begin(), out.begin() + n, |
| expected.begin(), expected.begin() + n, n, pred); |
| } |
| } |
| |
| struct test_non_const |
| { |
| template <typename Policy, typename Iterator> |
| void |
| operator()(Policy&& exec, Iterator iter) |
| { |
| auto is_even = [&](float64_t v) { |
| uint32_t i = (uint32_t)v; |
| return i % 2 == 0; |
| }; |
| |
| invoke_if(exec, [&]() { remove_if(exec, iter, iter, non_const(is_even)); }); |
| } |
| }; |
| |
| int |
| main() |
| { |
| #if !_PSTL_ICC_18_TEST_EARLY_EXIT_MONOTONIC_RELEASE_BROKEN |
| test<int32_t>(666, 42, [](int32_t) { return true; }, [](size_t j) { return j; }); |
| #endif |
| |
| test<int32_t>(666, 2001, [](const int32_t& val) { return val != 2001; }, |
| [](size_t j) { return ((j + 1) % 5 & 2) != 0 ? 2001 : -1 - int32_t(j); }); |
| test<float64_t>(-666.0, 8.5, [](const float64_t& val) { return val != 8.5; }, |
| [](size_t j) { return ((j + 1) % 7 & 2) != 0 ? 8.5 : float64_t(j % 32 + j); }); |
| |
| #if !_PSTL_ICC_17_TEST_MAC_RELEASE_32_BROKEN |
| test<Number>(Number(-666, OddTag()), Number(42, OddTag()), IsMultiple(3, OddTag()), |
| [](int32_t j) { return Number(j, OddTag()); }); |
| #endif |
| |
| test_algo_basic_single<int32_t>(run_for_rnd_fw<test_non_const>()); |
| |
| test<MemoryChecker>(MemoryChecker{0}, MemoryChecker{1}, |
| [](const MemoryChecker& val){ return val.value() == 1; }, |
| [](std::size_t idx){ return MemoryChecker{std::int32_t(idx % 3 == 0)}; } |
| ); |
| EXPECT_FALSE(MemoryChecker::alive_objects() < 0, "wrong effect from remove,remove_if: number of ctors calls < num of dtors calls"); |
| EXPECT_FALSE(MemoryChecker::alive_objects() > 0, "wrong effect from remove,remove_if: number of ctors calls > num of dtors calls"); |
| |
| std::cout << done() << std::endl; |
| return 0; |
| } |