| // -*- C++ -*- |
| //===-- copy_move.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 copy, move and copy_n |
| #include "support/pstl_test_config.h" |
| |
| #include <execution> |
| #include <algorithm> |
| |
| #include "support/utils.h" |
| |
| using namespace TestUtils; |
| |
| struct run_copy |
| { |
| |
| #if defined(_PSTL_ICC_17_VC141_TEST_SIMD_LAMBDA_DEBUG_32_BROKEN) || \ |
| defined(_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 OutputIterator2, typename Size, typename T> |
| void |
| operator()(pstl::execution::unsequenced_policy, InputIterator first, InputIterator last, OutputIterator out_first, |
| OutputIterator out_last, OutputIterator2 expected_first, OutputIterator2 expected_last, Size size, |
| Size n, T trash) |
| { |
| } |
| |
| template <typename InputIterator, typename OutputIterator, typename OutputIterator2, typename Size, typename T> |
| void |
| operator()(pstl::execution::parallel_unsequenced_policy, InputIterator first, InputIterator last, |
| OutputIterator out_first, OutputIterator out_last, OutputIterator2 expected_first, |
| OutputIterator2 expected_last, Size size, Size n, T trash) |
| { |
| } |
| #endif |
| |
| template <typename Policy, typename InputIterator, typename OutputIterator, typename OutputIterator2, typename Size, |
| typename T> |
| void |
| operator()(Policy&& exec, InputIterator first, InputIterator last, OutputIterator out_first, |
| OutputIterator out_last, OutputIterator2 expected_first, OutputIterator2, Size size, Size n, T trash) |
| { |
| // Cleaning |
| std::fill_n(expected_first, size, trash); |
| std::fill_n(out_first, size, trash); |
| |
| // Run copy |
| copy(first, last, expected_first); |
| auto k = copy(exec, first, last, out_first); |
| for (size_t j = 0; j < GuardSize; ++j) |
| ++k; |
| EXPECT_EQ_N(expected_first, out_first, size, "wrong effect from copy"); |
| EXPECT_TRUE(out_last == k, "wrong return value from copy"); |
| |
| // Cleaning |
| std::fill_n(out_first, size, trash); |
| // Run copy_n |
| k = copy_n(exec, first, n, out_first); |
| for (size_t j = 0; j < GuardSize; ++j) |
| ++k; |
| EXPECT_EQ_N(expected_first, out_first, size, "wrong effect from copy_n"); |
| EXPECT_TRUE(out_last == k, "wrong return value from copy_n"); |
| } |
| }; |
| |
| template <typename T> |
| struct run_move |
| { |
| |
| #if defined(_PSTL_ICC_17_VC141_TEST_SIMD_LAMBDA_DEBUG_32_BROKEN) || \ |
| defined(_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 OutputIterator2, typename Size> |
| void |
| operator()(pstl::execution::unsequenced_policy, InputIterator first, InputIterator last, OutputIterator out_first, |
| OutputIterator out_last, OutputIterator2 expected_first, OutputIterator2 expected_last, Size size, |
| Size n, T trash) |
| { |
| } |
| |
| template <typename InputIterator, typename OutputIterator, typename OutputIterator2, typename Size> |
| void |
| operator()(pstl::execution::parallel_unsequenced_policy, InputIterator first, InputIterator last, |
| OutputIterator out_first, OutputIterator out_last, OutputIterator2 expected_first, |
| OutputIterator2 expected_last, Size size, Size n, T trash) |
| { |
| } |
| #endif |
| |
| template <typename Policy, typename InputIterator, typename OutputIterator, typename OutputIterator2, typename Size> |
| void |
| operator()(Policy&& exec, InputIterator first, InputIterator last, OutputIterator out_first, |
| OutputIterator out_last, OutputIterator2 expected_first, OutputIterator2, Size size, Size, T trash) |
| { |
| // Cleaning |
| std::fill_n(expected_first, size, trash); |
| std::fill_n(out_first, size, trash); |
| |
| // Run move |
| move(first, last, expected_first); |
| auto k = move(exec, first, last, out_first); |
| for (size_t j = 0; j < GuardSize; ++j) |
| ++k; |
| EXPECT_EQ_N(expected_first, out_first, size, "wrong effect from move"); |
| EXPECT_TRUE(out_last == k, "wrong return value from move"); |
| } |
| }; |
| |
| template <typename T> |
| struct run_move<Wrapper<T>> |
| { |
| |
| #if defined(_PSTL_ICC_17_VC141_TEST_SIMD_LAMBDA_DEBUG_32_BROKEN) || \ |
| defined(_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 OutputIterator2, typename Size> |
| void |
| operator()(pstl::execution::unsequenced_policy, InputIterator first, InputIterator last, OutputIterator out_first, |
| OutputIterator out_last, OutputIterator2 expected_first, OutputIterator2 expected_last, Size size, |
| Size n, Wrapper<T> trash) |
| { |
| } |
| |
| template <typename InputIterator, typename OutputIterator, typename OutputIterator2, typename Size> |
| void |
| operator()(pstl::execution::parallel_unsequenced_policy, InputIterator first, InputIterator last, |
| OutputIterator out_first, OutputIterator out_last, OutputIterator2 expected_first, |
| OutputIterator2 expected_last, Size size, Size n, Wrapper<T> trash) |
| { |
| } |
| #endif |
| |
| template <typename Policy, typename InputIterator, typename OutputIterator, typename OutputIterator2, typename Size> |
| void |
| operator()(Policy&& exec, InputIterator first, InputIterator last, OutputIterator out_first, |
| OutputIterator out_last, OutputIterator2, OutputIterator2, Size size, Size, Wrapper<T> trash) |
| { |
| // Cleaning |
| std::fill_n(out_first, size, trash); |
| Wrapper<T>::SetMoveCount(0); |
| |
| // Run move |
| auto k = move(exec, first, last, out_first); |
| for (size_t j = 0; j < GuardSize; ++j) |
| ++k; |
| EXPECT_TRUE(Wrapper<T>::MoveCount() == size, "wrong effect from move"); |
| EXPECT_TRUE(out_last == k, "wrong return value from move"); |
| } |
| }; |
| |
| template <typename T, typename Convert> |
| void |
| test(T trash, Convert convert) |
| { |
| // Try sequences of various lengths. |
| for (size_t n = 0; n <= 100000; n = n <= 16 ? n + 1 : size_t(3.1415 * n)) |
| { |
| // count is number of output elements, plus a handful |
| // more for sake of detecting buffer overruns. |
| Sequence<T> in(n, [&](size_t k) -> T { |
| T val = convert(n ^ k); |
| return val; |
| }); |
| |
| const size_t outN = n + GuardSize; |
| Sequence<T> out(outN, [=](size_t) { return trash; }); |
| Sequence<T> expected(outN, [=](size_t) { return trash; }); |
| invoke_on_all_policies(run_copy(), in.begin(), in.end(), out.begin(), out.end(), expected.begin(), |
| expected.end(), outN, n, trash); |
| invoke_on_all_policies(run_copy(), in.cbegin(), in.cend(), out.begin(), out.end(), expected.begin(), |
| expected.end(), outN, n, trash); |
| invoke_on_all_policies(run_move<T>(), in.begin(), in.end(), out.begin(), out.end(), expected.begin(), |
| expected.end(), n, n, trash); |
| |
| // For this test const iterator isn't suitable |
| // because const rvalue-reference call copy assignment operator |
| } |
| } |
| |
| int |
| main() |
| { |
| test<int32_t>(-666, [](size_t j) { return int32_t(j); }); |
| test<Wrapper<float64_t>>(Wrapper<float64_t>(-666.0), [](int32_t j) { return Wrapper<float64_t>(j); }); |
| |
| #if !defined(_PSTL_ICC_16_17_TEST_64_TIMEOUT) |
| test<float64_t>(-666.0, [](size_t j) { return float64_t(j); }); |
| test<Number>(Number(42, OddTag()), [](int32_t j) { return Number(j, OddTag()); }); |
| #endif |
| std::cout << done() << std::endl; |
| return 0; |
| } |