summaryrefslogtreecommitdiffstats
path: root/Lib
diff options
context:
space:
mode:
authorEzio Melotti <ezio.melotti@gmail.com>2011-04-15 13:50:41 (GMT)
committerEzio Melotti <ezio.melotti@gmail.com>2011-04-15 13:50:41 (GMT)
commit71e84a6e27da7bfa8351d03ba8e52eb0b5150fb2 (patch)
tree33f2788f42144e2df258b4d8c89c3b5e3e8f3e2c /Lib
parentb4bd4af8c4adb03978803b5d94241a87e40bdaf9 (diff)
parent2df6a939164a8aec914086137f1242c205312f72 (diff)
downloadcpython-71e84a6e27da7bfa8351d03ba8e52eb0b5150fb2.zip
cpython-71e84a6e27da7bfa8351d03ba8e52eb0b5150fb2.tar.gz
cpython-71e84a6e27da7bfa8351d03ba8e52eb0b5150fb2.tar.bz2
#5057: Merge with 3.1.
Diffstat (limited to 'Lib')
-rw-r--r--Lib/test/test_peepholer.py18
1 files changed, 18 insertions, 0 deletions
diff --git a/Lib/test/test_peepholer.py b/Lib/test/test_peepholer.py
index b7d446f..53719d3 100644
--- a/Lib/test/test_peepholer.py
+++ b/Lib/test/test_peepholer.py
@@ -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