public void Test4()
{
const string fileName = "testFile.txt";
string targetFile = _TestTempDirectory + "t e s t.rar";
StreamWriter sw = new StreamWriter(_TestTempDirectory + fileName, false);
sw.Write("测试文件，随意删除，不过见到此文件就说明垃圾清理工作没有做好-_-!");
sw.Close();
CommandRunner.RarDirectoryToFile(targetFile, _TestTempDirectory);
Assert.IsTrue(File.Exists(targetFile));
string tempDir = DiskOperations.CorrectDirectory(_TestTempDirectory) + "T e m p s" + "\\";
Assert.IsTrue(!File.Exists(tempDir + fileName));
DiskOperations.CheckAndCreateDirectory(tempDir);
CommandRunner.UnRarFileToDirectory(targetFile, tempDir, true);
Assert.IsTrue(File.Exists(tempDir + fileName));
CommandRunner.CleanUpDirectory(tempDir);
CommandRunner.CleanUpDirectory(_TestTempDirectory);
}