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Issue #24802: Merge null termination fixes from 3.4 into 3.5

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This commit is contained in:
Martin Panter 2015-11-07 02:56:11 +00:00
commit 61d6e4ae9d
8 changed files with 161 additions and 36 deletions
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21
Lib/test/test_compile.py
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@ -542,6 +542,27 @@ if 1:
check_limit("a", "[0]")
check_limit("a", "*a")
def test_null_terminated(self):
# The source code is null-terminated internally, but bytes-like
# objects are accepted, which could be not terminated.
# Exception changed from TypeError to ValueError in 3.5
with self.assertRaisesRegex(Exception, "cannot contain null"):
compile("123\x00", "<dummy>", "eval")
with self.assertRaisesRegex(Exception, "cannot contain null"):
compile(memoryview(b"123\x00"), "<dummy>", "eval")
code = compile(memoryview(b"123\x00")[1:-1], "<dummy>", "eval")
self.assertEqual(eval(code), 23)
code = compile(memoryview(b"1234")[1:-1], "<dummy>", "eval")
self.assertEqual(eval(code), 23)
code = compile(memoryview(b"$23$")[1:-1], "<dummy>", "eval")
self.assertEqual(eval(code), 23)
# Also test when eval() and exec() do the compilation step
self.assertEqual(eval(memoryview(b"1234")[1:-1]), 23)
namespace = dict()
exec(memoryview(b"ax = 123")[1:-1], namespace)
self.assertEqual(namespace['x'], 12)
class TestStackSize(unittest.TestCase):
# These tests check that the computed stack size for a code object