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| author | Mark Dickinson <mdickinson@enthought.com> | 2012-11-25 14:36:26 (GMT) |
|---|---|---|
| committer | Mark Dickinson <mdickinson@enthought.com> | 2012-11-25 14:36:26 (GMT) |
| commit | ded35aeb9d5ae1671174f10c0ae8a7166693b17c (patch) | |
| tree | 4caa61589581de32b38d3da8ee8bd68e553094bf /Lib/test/test_ast.py | |
| parent | 9982c53c2feb6e6e03c4c6d87d77c6ee69bfc435 (diff) | |
| download | cpython-ded35aeb9d5ae1671174f10c0ae8a7166693b17c.zip cpython-ded35aeb9d5ae1671174f10c0ae8a7166693b17c.tar.gz cpython-ded35aeb9d5ae1671174f10c0ae8a7166693b17c.tar.bz2 | |
Issue #16546: make ast.YieldFrom argument mandatory.
Diffstat (limited to 'Lib/test/test_ast.py')
| -rw-r--r-- | Lib/test/test_ast.py | 8 |
1 files changed, 8 insertions, 0 deletions
diff --git a/Lib/test/test_ast.py b/Lib/test/test_ast.py index a8853c7..dc24126 100644 --- a/Lib/test/test_ast.py +++ b/Lib/test/test_ast.py @@ -399,6 +399,14 @@ class AST_Tests(unittest.TestCase): compile(m, "<test>", "exec") self.assertIn("string must be of type str", str(cm.exception)) + def test_empty_yield_from(self): + # Issue 16546: yield from value is not optional. + empty_yield_from = ast.parse("def f():\n yield from g()") + empty_yield_from.body[0].body[0].value.value = None + with self.assertRaises(ValueError) as cm: + compile(empty_yield_from, "<test>", "exec") + self.assertIn("field value is required", str(cm.exception)) + class ASTHelpers_Test(unittest.TestCase): |