def testClear(self):
"""
Tests :meth:`foundations.io.File.clear` method.
"""
fileDescriptor, path = tempfile.mkstemp()
ioFile = File(unicode(path))
self.assertIsInstance(ioFile.content, list)
ioFile.content = FILE_CONTENT
ioFile.write()
self.assertTrue(ioFile.clear())
ioFile.cache()
self.assertListEqual(ioFile.content, [])
os.close(fileDescriptor)
