def test_eof(self):
self.assertTrue(LineIterCharBuffer([]).eof())
self.assertTrue(LineIterCharBuffer(['']).eof())
buf = LineIterCharBuffer(['a', 'b'])
self.assertFalse(buf.eof())
buf.pop()
self.assertFalse(buf.eof())
buf.pop()
self.assertTrue(buf.eof())
def test_pop(self):
buf = LineIterCharBuffer(['ab', 'c'])
self.assertEqual('a', buf.pop())
self.assertEqual('b', buf.pop())
self.assertEqual('c', buf.pop())
self.assertRaises(EmptyBufferException, lambda: buf.pop())