def test_bad_input_order(self):
u = Untokenizer()
u.prev_row = 2
u.prev_col = 2
with self.assertRaises(ValueError) as cm:
u.add_whitespace((1,3))
self.assertEqual(cm.exception.args[0],
'start (1,3) precedes previous end (2,2)')
self.assertRaises(ValueError, u.add_whitespace, (2,1))
def test_backslash_continuation(self):
# The problem is that <whitespace>\<newline> leaves no token
u = Untokenizer()
u.prev_row = 1
u.prev_col = 1
u.tokens = []
u.add_whitespace((2, 0))
self.assertEqual(u.tokens, ['\\\n'])
u.prev_row = 2
u.add_whitespace((4, 4))
self.assertEqual(u.tokens, ['\\\n', '\\\n\\\n', ' '])
def test_bad_input_order(self):
# raise if previous row
u = Untokenizer()
u.prev_row = 2
u.prev_col = 2
with self.assertRaises(ValueError) as cm:
u.add_whitespace((1, 3))
self.assertEqual(cm.exception.args[0],
'start (1,3) precedes previous end (2,2)')
# raise if previous column in row
self.assertRaises(ValueError, u.add_whitespace, (2, 1))
def test_backslash_continuation(self):
# The problem is that <whitespace>\<newline> leaves no token
u = Untokenizer()
u.prev_row = 1
u.prev_col = 1
u.tokens = []
u.add_whitespace((2, 0))
self.assertEqual(u.tokens, ['\\\n'])
u.prev_row = 2
u.add_whitespace((4, 4))
self.assertEqual(u.tokens, ['\\\n', '\\\n\\\n', ' '])