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author | Ezio Melotti <ezio.melotti@gmail.com> | 2011-04-15 16:52:35 +0300 |
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committer | Ezio Melotti <ezio.melotti@gmail.com> | 2011-04-15 16:52:35 +0300 |
commit | 73adc447d3418d63c707dce17c81fcdcc91fdb18 (patch) | |
tree | 95b502f6a26a25c74a0c50b2a395742da250b934 /Lib/test/test_peepholer.py | |
parent | 4166763366116cec01f9f704799c3b74ac4fbd8c (diff) | |
parent | 3913ad265314731c5a8c42b30ca7b7699db94b23 (diff) | |
download | cpython-73adc447d3418d63c707dce17c81fcdcc91fdb18.tar.gz |
#5057: Merge with 3.2.
Diffstat (limited to 'Lib/test/test_peepholer.py')
-rw-r--r-- | Lib/test/test_peepholer.py | 18 |
1 files changed, 18 insertions, 0 deletions
diff --git a/Lib/test/test_peepholer.py b/Lib/test/test_peepholer.py index 78de90923e..e0e3f630a7 100644 --- a/Lib/test/test_peepholer.py +++ b/Lib/test/test_peepholer.py @@ -205,6 +205,24 @@ 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 |