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| author | Serhiy Storchaka <storchaka@gmail.com> | 2018-04-18 22:55:37 (GMT) |
|---|---|---|
| committer | GitHub <noreply@github.com> | 2018-04-18 22:55:37 (GMT) |
| commit | e5362eaa75a154c6e91c5b1c47719d0a0f5ca48b (patch) | |
| tree | 213789668d45f15b8bbff0e16aea5dfe6874dca1 /Lib | |
| parent | c127a86e1862df88ec6f9d15b79c627fc616766e (diff) | |
| download | cpython-e5362eaa75a154c6e91c5b1c47719d0a0f5ca48b.zip cpython-e5362eaa75a154c6e91c5b1c47719d0a0f5ca48b.tar.gz cpython-e5362eaa75a154c6e91c5b1c47719d0a0f5ca48b.tar.bz2 | |
bpo-33308: Fix a crash in the parser module when convert an ST object. (#6519)
Converting with line_info=False and col_info=True crashed before.
Diffstat (limited to 'Lib')
| -rw-r--r-- | Lib/test/test_parser.py | 29 |
1 files changed, 22 insertions, 7 deletions
diff --git a/Lib/test/test_parser.py b/Lib/test/test_parser.py index 2f1b219..274e260 100644 --- a/Lib/test/test_parser.py +++ b/Lib/test/test_parser.py @@ -322,21 +322,19 @@ class RoundtripLegalSyntaxTestCase(unittest.TestCase): # An absolutely minimal test of position information. Better # tests would be a big project. code = "def f(x):\n return x + 1" - st1 = parser.suite(code) - st2 = st1.totuple(line_info=1, col_info=1) + st = parser.suite(code) def walk(tree): node_type = tree[0] next = tree[1] - if isinstance(next, tuple): + if isinstance(next, (tuple, list)): for elt in tree[1:]: for x in walk(elt): yield x else: yield tree - terminals = list(walk(st2)) - self.assertEqual([ + expected = [ (1, 'def', 1, 0), (1, 'f', 1, 4), (7, '(', 1, 5), @@ -352,8 +350,25 @@ class RoundtripLegalSyntaxTestCase(unittest.TestCase): (4, '', 2, 16), (6, '', 2, -1), (4, '', 2, -1), - (0, '', 2, -1)], - terminals) + (0, '', 2, -1), + ] + + self.assertEqual(list(walk(st.totuple(line_info=True, col_info=True))), + expected) + self.assertEqual(list(walk(st.totuple())), + [(t, n) for t, n, l, c in expected]) + self.assertEqual(list(walk(st.totuple(line_info=True))), + [(t, n, l) for t, n, l, c in expected]) + self.assertEqual(list(walk(st.totuple(col_info=True))), + [(t, n, c) for t, n, l, c in expected]) + self.assertEqual(list(walk(st.tolist(line_info=True, col_info=True))), + [list(x) for x in expected]) + self.assertEqual(list(walk(parser.st2tuple(st, line_info=True, + col_info=True))), + expected) + self.assertEqual(list(walk(parser.st2list(st, line_info=True, + col_info=True))), + [list(x) for x in expected]) def test_extended_unpacking(self): self.check_suite("*a = y") |