def test_chdir(self):
fs = FileSystem()
cwd = fs.getcwd()
newdir = '/'
if sys.platform == 'win32':
newdir = 'c:\\'
fs.chdir(newdir)
self.assertEqual(fs.getcwd(), newdir)
fs.chdir(cwd)
def test_getcwd(self):
fs = FileSystem()
self.assertTrue(fs.exists(fs.getcwd()))
