1 // -*- C++ -*- 2 //===-- remove.pass.cpp ---------------------------------------------------===// 3 // 4 // Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions. 5 // See https://llvm.org/LICENSE.txt for license information. 6 // SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception 7 // 8 //===----------------------------------------------------------------------===// 9 10 // UNSUPPORTED: c++03, c++11, c++14 11 12 // Test for remove, remove_if 13 #include "support/pstl_test_config.h" 14 15 #include <execution> 16 #include <algorithm> 17 18 #include "support/utils.h" 19 20 using namespace TestUtils; 21 22 struct run_remove 23 { 24 #if _PSTL_ICC_17_VC141_TEST_SIMD_LAMBDA_DEBUG_32_BROKEN || \ 25 _PSTL_ICC_16_VC14_TEST_SIMD_LAMBDA_DEBUG_32_BROKEN //dummy specialization by policy type, in case of broken configuration 26 template <typename InputIterator, typename OutputIterator, typename Size, typename T> 27 void 28 operator()(pstl::execution::unsequenced_policy, InputIterator first, InputIterator last, OutputIterator out_first, 29 OutputIterator out_last, OutputIterator expected_first, OutputIterator expected_last, Size n, 30 const T& value) 31 { 32 } 33 template <typename InputIterator, typename OutputIterator, typename Size, typename T> 34 void 35 operator()(pstl::execution::parallel_unsequenced_policy, InputIterator first, InputIterator last, 36 OutputIterator out_first, OutputIterator out_last, OutputIterator expected_first, 37 OutputIterator expected_last, Size n, const T& value) 38 { 39 } 40 #endif 41 42 template <typename Policy, typename InputIterator, typename OutputIterator, typename Size, typename T> 43 void 44 operator()(Policy&& exec, InputIterator first, InputIterator last, OutputIterator out_first, 45 OutputIterator out_last, OutputIterator expected_first, OutputIterator expected_last, Size, 46 const T& value) 47 { 48 // Cleaning 49 std::copy(first, last, expected_first); 50 std::copy(first, last, out_first); 51 52 // Run remove 53 OutputIterator i = remove(expected_first, expected_last, value); 54 OutputIterator k = remove(exec, out_first, out_last, value); 55 EXPECT_TRUE(std::distance(expected_first, i) == std::distance(out_first, k), "wrong return value from remove"); 56 EXPECT_EQ_N(expected_first, out_first, std::distance(expected_first, i), "wrong remove effect"); 57 } 58 }; 59 60 struct run_remove_if 61 { 62 #if _PSTL_ICC_17_VC141_TEST_SIMD_LAMBDA_DEBUG_32_BROKEN || \ 63 _PSTL_ICC_16_VC14_TEST_SIMD_LAMBDA_DEBUG_32_BROKEN //dummy specialization by policy type, in case of broken configuration 64 template <typename InputIterator, typename OutputIterator, typename Size, typename Predicate> 65 void 66 operator()(pstl::execution::unsequenced_policy, InputIterator first, InputIterator last, OutputIterator out_first, 67 OutputIterator out_last, OutputIterator expected_first, OutputIterator expected_last, Size n, 68 Predicate pred) 69 { 70 } 71 template <typename InputIterator, typename OutputIterator, typename Size, typename Predicate> 72 void 73 operator()(pstl::execution::parallel_unsequenced_policy, InputIterator first, InputIterator last, 74 OutputIterator out_first, OutputIterator out_last, OutputIterator expected_first, 75 OutputIterator expected_last, Size n, Predicate pred) 76 { 77 } 78 #endif 79 80 template <typename Policy, typename InputIterator, typename OutputIterator, typename Size, typename Predicate> 81 void 82 operator()(Policy&& exec, InputIterator first, InputIterator last, OutputIterator out_first, 83 OutputIterator out_last, OutputIterator expected_first, OutputIterator expected_last, Size, 84 Predicate pred) 85 { 86 // Cleaning 87 std::copy(first, last, expected_first); 88 std::copy(first, last, out_first); 89 90 // Run remove_if 91 OutputIterator i = remove_if(expected_first, expected_last, pred); 92 OutputIterator k = remove_if(exec, out_first, out_last, pred); 93 EXPECT_TRUE(std::distance(expected_first, i) == std::distance(out_first, k), 94 "wrong return value from remove_if"); 95 EXPECT_EQ_N(expected_first, out_first, std::distance(expected_first, i), "wrong remove_if effect"); 96 } 97 }; 98 99 template <typename T, typename Predicate, typename Convert> 100 void 101 test(T trash, const T& value, Predicate pred, Convert convert) 102 { 103 const std::size_t max_size = 100000; 104 Sequence<T> out(max_size, [trash](size_t) { return trash; }); 105 Sequence<T> expected(max_size, [trash](size_t) { return trash; }); 106 107 for (size_t n = 0; n <= max_size; n = n <= 16 ? n + 1 : size_t(3.1415 * n)) 108 { 109 Sequence<T> data(n, [&](size_t k) -> T { return convert(k); }); 110 111 invoke_on_all_policies(run_remove(), data.begin(), data.end(), out.begin(), out.begin() + n, expected.begin(), 112 expected.begin() + n, n, value); 113 invoke_on_all_policies(run_remove_if(), data.begin(), data.end(), out.begin(), out.begin() + n, 114 expected.begin(), expected.begin() + n, n, pred); 115 } 116 } 117 118 struct test_non_const 119 { 120 template <typename Policy, typename Iterator> 121 void 122 operator()(Policy&& exec, Iterator iter) 123 { 124 auto is_even = [&](float64_t v) { 125 uint32_t i = (uint32_t)v; 126 return i % 2 == 0; 127 }; 128 129 invoke_if(exec, [&]() { remove_if(exec, iter, iter, non_const(is_even)); }); 130 } 131 }; 132 133 int 134 main() 135 { 136 #if !_PSTL_ICC_18_TEST_EARLY_EXIT_MONOTONIC_RELEASE_BROKEN 137 test<int32_t>(666, 42, [](int32_t) { return true; }, [](size_t j) { return j; }); 138 #endif 139 140 test<int32_t>(666, 2001, [](const int32_t& val) { return val != 2001; }, 141 [](size_t j) { return ((j + 1) % 5 & 2) != 0 ? 2001 : -1 - int32_t(j); }); 142 test<float64_t>(-666.0, 8.5, [](const float64_t& val) { return val != 8.5; }, 143 [](size_t j) { return ((j + 1) % 7 & 2) != 0 ? 8.5 : float64_t(j % 32 + j); }); 144 145 #if !_PSTL_ICC_17_TEST_MAC_RELEASE_32_BROKEN 146 test<Number>(Number(-666, OddTag()), Number(42, OddTag()), IsMultiple(3, OddTag()), 147 [](int32_t j) { return Number(j, OddTag()); }); 148 #endif 149 150 test_algo_basic_single<int32_t>(run_for_rnd_fw<test_non_const>()); 151 152 test<MemoryChecker>(MemoryChecker{0}, MemoryChecker{1}, 153 [](const MemoryChecker& val){ return val.value() == 1; }, 154 [](std::size_t idx){ return MemoryChecker{std::int32_t(idx % 3 == 0)}; } 155 ); 156 EXPECT_FALSE(MemoryChecker::alive_objects() < 0, "wrong effect from remove,remove_if: number of ctors calls < num of dtors calls"); 157 EXPECT_FALSE(MemoryChecker::alive_objects() > 0, "wrong effect from remove,remove_if: number of ctors calls > num of dtors calls"); 158 159 std::cout << done() << std::endl; 160 return 0; 161 } 162