xref: /aosp_15_r20/external/pigweed/pw_checksum/crc16_ccitt_perf_test.cc (revision 61c4878ac05f98d0ceed94b57d316916de578985)
1 // Copyright 2022 The Pigweed Authors
2 //
3 // Licensed under the Apache License, Version 2.0 (the "License"); you may not
4 // use this file except in compliance with the License. You may obtain a copy of
5 // the License at
6 //
7 //     https://www.apache.org/licenses/LICENSE-2.0
8 //
9 // Unless required by applicable law or agreed to in writing, software
10 // distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
11 // WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
12 // License for the specific language governing permissions and limitations under
13 // the License.
14 
15 #include <string_view>
16 
17 #include "pw_bytes/array.h"
18 #include "pw_checksum/crc16_ccitt.h"
19 #include "pw_perf_test/perf_test.h"
20 #include "pw_span/span.h"
21 
22 namespace pw::checksum {
23 namespace {
24 
25 constexpr std::string_view kString =
26     "In the beginning the Universe was created. This has made a lot of "
27     "people very angry and been widely regarded as a bad move.";
__anon24d211b70202(size_t i) 28 constexpr auto kBytes = bytes::Initialized<1000>([](size_t i) { return i; });
29 
30 PW_PERF_TEST_SIMPLE(CcittCalculationBytes, Crc16Ccitt::Calculate, kBytes);
31 
32 PW_PERF_TEST_SIMPLE(CcittCalculationString,
33                     Crc16Ccitt::Calculate,
34                     as_bytes(span(kString)));
35 
36 }  // namespace
37 }  // namespace pw::checksum
38