Sebastian Pop | 0a94c56 | 2017-05-30 09:14:20 -0500 | [diff] [blame] | 1 | /* |
| 2 | * Copyright (C) 2017 The Android Open Source Project |
| 3 | * |
| 4 | * Licensed under the Apache License, Version 2.0 (the "License"); |
| 5 | * you may not use this file except in compliance with the License. |
| 6 | * You may obtain a copy of the License at |
| 7 | * |
| 8 | * http://www.apache.org/licenses/LICENSE-2.0 |
| 9 | * |
| 10 | * Unless required by applicable law or agreed to in writing, software |
| 11 | * distributed under the License is distributed on an "AS IS" BASIS, |
| 12 | * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
| 13 | * See the License for the specific language governing permissions and |
| 14 | * limitations under the License. |
| 15 | */ |
| 16 | |
| 17 | #include <cstdio> |
| 18 | #include <cstdlib> |
| 19 | #include <cstring> |
| 20 | #include <iostream> |
| 21 | #include <string> |
| 22 | #include <tuple> |
| 23 | #include <vector> |
| 24 | |
| 25 | #include <android-base/test_utils.h> |
| 26 | #include <benchmark/benchmark.h> |
| 27 | #include <ziparchive/zip_archive.h> |
| 28 | #include <ziparchive/zip_archive_stream_entry.h> |
| 29 | #include <ziparchive/zip_writer.h> |
| 30 | |
| 31 | static TemporaryFile* CreateZip() { |
| 32 | TemporaryFile* result = new TemporaryFile; |
| 33 | FILE* fp = fdopen(result->fd, "w"); |
| 34 | |
| 35 | ZipWriter writer(fp); |
| 36 | std::string lastName = "file"; |
| 37 | for (size_t i = 0; i < 1000; i++) { |
| 38 | // Make file names longer and longer. |
| 39 | lastName = lastName + std::to_string(i); |
| 40 | writer.StartEntry(lastName.c_str(), ZipWriter::kCompress); |
| 41 | writer.WriteBytes("helo", 4); |
| 42 | writer.FinishEntry(); |
| 43 | } |
| 44 | writer.Finish(); |
| 45 | fclose(fp); |
| 46 | |
| 47 | return result; |
| 48 | } |
| 49 | |
| 50 | static void FindEntry_no_match(benchmark::State& state) { |
| 51 | // Create a temporary zip archive. |
| 52 | std::unique_ptr<TemporaryFile> temp_file(CreateZip()); |
| 53 | ZipArchiveHandle handle; |
| 54 | ZipEntry data; |
| 55 | |
| 56 | // In order to walk through all file names in the archive, look for a name |
| 57 | // that does not exist in the archive. |
| 58 | ZipString name("thisFileNameDoesNotExist"); |
| 59 | |
| 60 | // Start the benchmark. |
| 61 | while (state.KeepRunning()) { |
| 62 | OpenArchive(temp_file->path, &handle); |
| 63 | FindEntry(handle, name, &data); |
| 64 | CloseArchive(handle); |
| 65 | } |
| 66 | } |
| 67 | BENCHMARK(FindEntry_no_match); |
| 68 | |
| 69 | static void Iterate_all_files(benchmark::State& state) { |
| 70 | std::unique_ptr<TemporaryFile> temp_file(CreateZip()); |
| 71 | ZipArchiveHandle handle; |
| 72 | void* iteration_cookie; |
| 73 | ZipEntry data; |
| 74 | ZipString name; |
| 75 | |
| 76 | while (state.KeepRunning()) { |
| 77 | OpenArchive(temp_file->path, &handle); |
| 78 | StartIteration(handle, &iteration_cookie, nullptr, nullptr); |
| 79 | while (Next(iteration_cookie, &data, &name) == 0) { |
| 80 | } |
| 81 | EndIteration(iteration_cookie); |
| 82 | CloseArchive(handle); |
| 83 | } |
| 84 | } |
| 85 | BENCHMARK(Iterate_all_files); |
| 86 | |
Elliott Hughes | 62322aa | 2017-12-13 18:19:18 -0800 | [diff] [blame] | 87 | BENCHMARK_MAIN(); |