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#5057: Merge with 3.1.

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Ezio Melotti 2011-04-15 16:50:41 +03:00
commit 71e84a6e27
3 changed files with 41 additions and 1 deletions
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18
Lib/test/test_peepholer.py
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@ -195,6 +195,24 @@ class TestTranforms(unittest.TestCase):
asm = dis_single('a="x"*1000')
self.assertIn('(1000)', asm)
def test_binary_subscr_on_unicode(self):
# valid code get optimized
asm = dis_single('"foo"[0]')
self.assertIn("('f')", asm)
self.assertNotIn('BINARY_SUBSCR', asm)
asm = dis_single('"\u0061\uffff"[1]')
self.assertIn("('\\uffff')", asm)
self.assertNotIn('BINARY_SUBSCR', asm)
# invalid code doesn't get optimized
# out of range
asm = dis_single('"fuu"[10]')
self.assertIn('BINARY_SUBSCR', asm)
# non-BMP char (see #5057)
asm = dis_single('"\U00012345"[0]')
self.assertIn('BINARY_SUBSCR', asm)
def test_folding_of_unaryops_on_constants(self):
for line, elem in (
('-0.5', '(-0.5)'), # unary negative