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/*
* Copyright (C) 2017 The Android Open Source Project
*
* 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
*
* 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 <cstdio>
#include <cstdlib>
#include <cstring>
#include <iostream>
#include <string>
#include <tuple>
#include <vector>
#include <android-base/test_utils.h>
#include <benchmark/benchmark.h>
#include <ziparchive/zip_archive.h>
#include <ziparchive/zip_archive_stream_entry.h>
#include <ziparchive/zip_writer.h>
static TemporaryFile* CreateZip() {
TemporaryFile* result = new TemporaryFile;
FILE* fp = fdopen(result->fd, "w");
ZipWriter writer(fp);
std::string lastName = "file";
for (size_t i = 0; i < 1000; i++) {
// Make file names longer and longer.
lastName = lastName + std::to_string(i);
writer.StartEntry(lastName.c_str(), ZipWriter::kCompress);
writer.WriteBytes("helo", 4);
writer.FinishEntry();
}
writer.Finish();
fclose(fp);
return result;
}
static void FindEntry_no_match(benchmark::State& state) {
// Create a temporary zip archive.
std::unique_ptr<TemporaryFile> temp_file(CreateZip());
ZipArchiveHandle handle;
ZipEntry data;
// In order to walk through all file names in the archive, look for a name
// that does not exist in the archive.
ZipString name("thisFileNameDoesNotExist");
// Start the benchmark.
while (state.KeepRunning()) {
OpenArchive(temp_file->path, &handle);
FindEntry(handle, name, &data);
CloseArchive(handle);
}
}
BENCHMARK(FindEntry_no_match);
static void Iterate_all_files(benchmark::State& state) {
std::unique_ptr<TemporaryFile> temp_file(CreateZip());
ZipArchiveHandle handle;
void* iteration_cookie;
ZipEntry data;
ZipString name;
while (state.KeepRunning()) {
OpenArchive(temp_file->path, &handle);
StartIteration(handle, &iteration_cookie, nullptr, nullptr);
while (Next(iteration_cookie, &data, &name) == 0) {
}
EndIteration(iteration_cookie);
CloseArchive(handle);
}
}
BENCHMARK(Iterate_all_files);
BENCHMARK_MAIN()
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