diff options
Diffstat (limited to 'Lib/test')
| -rw-r--r-- | Lib/test/test_peepholer.py | 15 |
1 files changed, 14 insertions, 1 deletions
diff --git a/Lib/test/test_peepholer.py b/Lib/test/test_peepholer.py index a9eb23fde3..f73565eb46 100644 --- a/Lib/test/test_peepholer.py +++ b/Lib/test/test_peepholer.py @@ -19,6 +19,7 @@ def disassemble(func): def dis_single(line): return disassemble(compile(line, '', 'single')) + class TestTranforms(unittest.TestCase): def test_unot(self): @@ -294,11 +295,23 @@ class TestTranforms(unittest.TestCase): self.assertNotIn('BINARY_', asm, e) self.assertNotIn('BUILD_', asm, e) +class TestBuglets(unittest.TestCase): + + def test_bug_11510(self): + # folded constant set optimization was commingled with the tuple + # unpacking optimization which would fail if the set had duplicate + # elements so that the set length was unexpected + def f(): + x, y = {1, 1} + return x, y + with self.assertRaises(ValueError): + f() + def test_main(verbose=None): import sys from test import support - test_classes = (TestTranforms,) + test_classes = (TestTranforms, TestBuglets) support.run_unittest(*test_classes) # verify reference counting |