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// Copyright 2022 The Pigweed Authors
//
// Licensed 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
//
// https://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 <cstdint>
#include <string_view>
#include "pw_bytes/array.h"
#include "pw_checksum/crc32.h"
#include "pw_perf_test/perf_test.h"
#include "pw_span/span.h"
namespace pw::checksum {
namespace {
constexpr std::string_view kString =
"In the beginning the Universe was created. This has made a lot of "
"people very angry and been widely regarded as a bad move.";
constexpr auto kBytes = bytes::Array<1, 2, 3, 4, 5, 6, 7, 8, 9>();
void Crc32OneBitTest(perf_test::State& state, span<const std::byte> data) {
while (state.KeepRunning()) {
Crc32OneBit::Calculate(data);
}
}
void Crc32FourBitTest(perf_test::State& state, span<const std::byte> data) {
while (state.KeepRunning()) {
Crc32FourBit::Calculate(data);
}
}
void Crc32EightBitTest(perf_test::State& state, span<const std::byte> data) {
while (state.KeepRunning()) {
Crc32EightBit::Calculate(data);
}
}
PW_PERF_TEST(CrcOneBitStringTest, Crc32OneBitTest, as_bytes(span(kString)));
PW_PERF_TEST(CrcFourBitStringTest, Crc32FourBitTest, as_bytes(span(kString)));
PW_PERF_TEST(CrcEightBitStringTest, Crc32EightBitTest, as_bytes(span(kString)));
PW_PERF_TEST(CrcOneBitBytesTest, Crc32OneBitTest, kBytes);
PW_PERF_TEST(CrcFourBitBytesTest, Crc32FourBitTest, kBytes);
PW_PERF_TEST(CrcEightBitBytesTest, Crc32EightBitTest, kBytes);
} // namespace
} // namespace pw::checksum
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