/// <summary>Test the capability of setting the working directory.</summary>
/// <exception cref="System.IO.IOException"/>
public virtual void TestWorkingDirectory()
{
Path origDir = fileSys.GetWorkingDirectory();
Path subdir = new Path(TestRootDir, "new");
try
{
// make sure it doesn't already exist
Assert.True(!fileSys.Exists(subdir));
// make it and check for it
Assert.True(fileSys.Mkdirs(subdir));
Assert.True(fileSys.IsDirectory(subdir));
fileSys.SetWorkingDirectory(subdir);
// create a directory and check for it
Path dir1 = new Path("dir1");
Assert.True(fileSys.Mkdirs(dir1));
Assert.True(fileSys.IsDirectory(dir1));
// delete the directory and make sure it went away
fileSys.Delete(dir1, true);
Assert.True(!fileSys.Exists(dir1));
// create files and manipulate them.
Path file1 = new Path("file1");
Path file2 = new Path("sub/file2");
string contents = FileSystemTestHelper.WriteFile(fileSys, file1, 1);
fileSys.CopyFromLocalFile(file1, file2);
Assert.True(fileSys.Exists(file1));
Assert.True(fileSys.IsFile(file1));
CleanupFile(fileSys, file2);
fileSys.CopyToLocalFile(file1, file2);
CleanupFile(fileSys, file2);
// try a rename
fileSys.Rename(file1, file2);
Assert.True(!fileSys.Exists(file1));
Assert.True(fileSys.Exists(file2));
fileSys.Rename(file2, file1);
// try reading a file
InputStream stm = fileSys.Open(file1);
byte[] buffer = new byte[3];
int bytesRead = stm.Read(buffer, 0, 3);
Assert.Equal(contents, Runtime.GetStringForBytes(buffer
, 0, bytesRead));
stm.Close();
}
finally
{
fileSys.SetWorkingDirectory(origDir);
}
}
