Fix #4158: pycode.parser failed to parse starred assignment

1 files changed, 15 insertions, 0 deletions

diff --git a/tests/test_pycode_parser.py b/tests/test_pycode_parser.py
index cfea2ca00..0ff4752b3 100644
--- a/tests/test_pycode_parser.py
+++ b/tests/test_pycode_parser.py
@@ -9,6 +9,9 @@
     :license: BSD, see LICENSE for details.
 """
 
+import pytest
+from six import PY2
+
 from sphinx.pycode.parser import Parser
 
 
@@ -116,6 +119,18 @@ def test_complex_assignment():
     assert parser.definitions == {}
 
 
+@pytest.mark.skipif(PY2, reason='tests for py3 syntax')
+def test_complex_assignment_py3():
+    source = 'a, *b, c = (1, 2, 3, 4)  #: unpack assignment\n'
+    parser = Parser(source)
+    parser.parse()
+    assert parser.comments == {('', 'a'): 'unpack assignment',
+                               ('', 'b'): 'unpack assignment',
+                               ('', 'c'): 'unpack assignment',
+                               }
+    assert parser.definitions == {}
+
+
 def test_obj_assignment():
     source = ('obj = SomeObject()  #: some object\n'
               'obj.attr = 1  #: attr1\n'