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/*
* Copyright 2013 Google Inc.
*
* 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.
*/
package com.google.jimfs;
import com.google.caliper.AfterExperiment;
import com.google.caliper.BeforeExperiment;
import com.google.caliper.Benchmark;
import com.google.caliper.Param;
import com.google.caliper.runner.CaliperMain;
import java.io.IOException;
import java.nio.file.Files;
import java.nio.file.Path;
/**
* Benchmark comparing the times to create and delete a file between JIMFS and the default file
* system.
*
* @author Colin Decker
*/
public class FileCreationAndDeletionBenchmark {
@Param
private FileSystemImpl impl;
private FileSystemBenchmarkHelper helper;
private Path file;
@BeforeExperiment
public void setUp() throws IOException {
helper = new FileSystemBenchmarkHelper(impl);
file = helper.getTempDir().resolve("file");
}
@Benchmark
public void createAndDeleteDirectory(int reps) throws IOException {
for (int i = 0; i < reps; i++) {
Files.createDirectory(file);
Files.deleteIfExists(file);
}
}
@Benchmark
public void createAndDeleteRegularFile(int reps) throws IOException {
for (int i = 0; i < reps; i++) {
Files.createFile(file);
Files.deleteIfExists(file);
}
}
@Benchmark
public void createAndDeleteSymbolicLink(int reps) throws IOException {
for (int i = 0; i < reps; i++) {
Files.createSymbolicLink(file, file);
Files.deleteIfExists(file);
}
}
@AfterExperiment
public void tearDown() throws Exception {
helper.tearDown();
}
public static void main(String[] args) {
CaliperMain.main(FileCreationAndDeletionBenchmark.class, args);
}
}
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