mapleFU commented on code in PR #43734: URL: https://github.com/apache/arrow/pull/43734#discussion_r1722037531
########## cpp/src/arrow/compute/row/row_encoder_internal_test.cc: ########## @@ -0,0 +1,65 @@ +// Licensed to the Apache Software Foundation (ASF) under one +// or more contributor license agreements. See the NOTICE file +// distributed with this work for additional information +// regarding copyright ownership. The ASF licenses this file +// to you under the Apache License, Version 2.0 (the +// "License"); you may not use this file except in compliance +// with the License. You may obtain a copy of the License at +// +// http://www.apache.org/licenses/LICENSE-2.0 +// +// Unless required by applicable law or agreed to in writing, +// software distributed under the License is distributed on an +// "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY +// KIND, either express or implied. See the License for the +// specific language governing permissions and limitations +// under the License. + +#include <gmock/gmock.h> +#include <gtest/gtest.h> + +#include "arrow/compute/row/row_encoder_internal.h" +#include "arrow/testing/gtest_util.h" +#include "arrow/type.h" +#include "arrow/type_fwd.h" + +namespace arrow::compute::internal { + +// GH-43733: Test that the key encoder can handle boolean scalar values well. +TEST(TestKeyEncoder, BooleanScalar) { + for (auto scalar : {BooleanScalar{}, BooleanScalar{true}, BooleanScalar{false}}) { + BooleanKeyEncoder key_encoder; + SCOPED_TRACE("scalar " + scalar.ToString()); + constexpr int64_t kBatchLength = 10; + std::array<int32_t, kBatchLength> lengths{}; + key_encoder.AddLength(ExecValue{&scalar}, kBatchLength, lengths.data()); + // Check that the lengths are all 2. + constexpr int32_t kPayloadWidth = + BooleanKeyEncoder::kByteWidth + BooleanKeyEncoder::kExtraByteForNull; + for (int i = 0; i < kBatchLength; ++i) { + ASSERT_EQ(kPayloadWidth, lengths[i]); + } + std::array<std::array<uint8_t, kPayloadWidth>, kBatchLength> payloads{}; + std::array<uint8_t*, kBatchLength> payload_ptrs{}; + // Reset the payload pointers to point to the beginning of each payload. + // This is necessary because the key encoder may have modified the pointers. + auto reset_payload_ptrs = [&payload_ptrs, &payloads]() { + std::transform(payloads.begin(), payloads.end(), payload_ptrs.begin(), + [](auto& payload) -> uint8_t* { return payload.data(); }); + }; + reset_payload_ptrs(); + ASSERT_OK(key_encoder.Encode(ExecValue{&scalar}, kBatchLength, payload_ptrs.data())); + reset_payload_ptrs(); + ASSERT_OK_AND_ASSIGN(auto array_data, + key_encoder.Decode(payload_ptrs.data(), kBatchLength, + ::arrow::default_memory_pool())); + ASSERT_EQ(kBatchLength, array_data->length); Review Comment: done -- This is an automated message from the Apache Git Service. To respond to the message, please log on to GitHub and use the URL above to go to the specific comment. To unsubscribe, e-mail: [email protected] For queries about this service, please contact Infrastructure at: [email protected]
