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87 lines
2.5 KiB
87 lines
2.5 KiB
/* |
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* Copyright (C) 2017 The Android Open Source Project |
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* |
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* Licensed under the Apache License, Version 2.0 (the "License"); |
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* you may not use this file except in compliance with the License. |
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* You may obtain a copy of the License at |
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* |
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* http://www.apache.org/licenses/LICENSE-2.0 |
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* |
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* Unless required by applicable law or agreed to in writing, software |
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* distributed under the License is distributed on an "AS IS" BASIS, |
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
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* See the License for the specific language governing permissions and |
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* limitations under the License. |
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*/ |
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#include <cstdio> |
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#include <cstdlib> |
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#include <cstring> |
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#include <iostream> |
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#include <string> |
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#include <tuple> |
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#include <vector> |
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#include <android-base/test_utils.h> |
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#include <benchmark/benchmark.h> |
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#include <ziparchive/zip_archive.h> |
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#include <ziparchive/zip_archive_stream_entry.h> |
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#include <ziparchive/zip_writer.h> |
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static TemporaryFile* CreateZip() { |
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TemporaryFile* result = new TemporaryFile; |
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FILE* fp = fdopen(result->fd, "w"); |
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ZipWriter writer(fp); |
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std::string lastName = "file"; |
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for (size_t i = 0; i < 1000; i++) { |
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// Make file names longer and longer. |
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lastName = lastName + std::to_string(i); |
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writer.StartEntry(lastName.c_str(), ZipWriter::kCompress); |
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writer.WriteBytes("helo", 4); |
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writer.FinishEntry(); |
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} |
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writer.Finish(); |
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fclose(fp); |
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return result; |
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} |
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static void FindEntry_no_match(benchmark::State& state) { |
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// Create a temporary zip archive. |
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std::unique_ptr<TemporaryFile> temp_file(CreateZip()); |
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ZipArchiveHandle handle; |
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ZipEntry data; |
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// In order to walk through all file names in the archive, look for a name |
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// that does not exist in the archive. |
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ZipString name("thisFileNameDoesNotExist"); |
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// Start the benchmark. |
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while (state.KeepRunning()) { |
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OpenArchive(temp_file->path, &handle); |
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FindEntry(handle, name, &data); |
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CloseArchive(handle); |
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} |
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} |
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BENCHMARK(FindEntry_no_match); |
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static void Iterate_all_files(benchmark::State& state) { |
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std::unique_ptr<TemporaryFile> temp_file(CreateZip()); |
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ZipArchiveHandle handle; |
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void* iteration_cookie; |
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ZipEntry data; |
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ZipString name; |
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while (state.KeepRunning()) { |
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OpenArchive(temp_file->path, &handle); |
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StartIteration(handle, &iteration_cookie, nullptr, nullptr); |
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while (Next(iteration_cookie, &data, &name) == 0) { |
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} |
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EndIteration(iteration_cookie); |
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CloseArchive(handle); |
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} |
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} |
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BENCHMARK(Iterate_all_files); |
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BENCHMARK_MAIN()
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