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Diffstat (limited to 'Lib/test/test_grammar.py')
-rw-r--r-- | Lib/test/test_grammar.py | 9 |
1 files changed, 9 insertions, 0 deletions
diff --git a/Lib/test/test_grammar.py b/Lib/test/test_grammar.py index 0777307..04aedd5 100644 --- a/Lib/test/test_grammar.py +++ b/Lib/test/test_grammar.py @@ -500,6 +500,15 @@ class GrammarTests(unittest.TestCase): while 0: pass else: pass + # Issue1920: "while 0" is optimized away, + # ensure that the "else" clause is still present. + x = 0 + while 0: + x = 1 + else: + x = 2 + self.assertEquals(x, 2) + def testFor(self): # 'for' exprlist 'in' exprlist ':' suite ['else' ':' suite] for i in 1, 2, 3: pass |