Commit 08f31176 authored by Iustin Pop's avatar Iustin Pop
Browse files

Add test for mutable default values in opcode parameters

This is not comprehensive, since in Python one can't determine what is
and what is not mutable; but I've added a few base cases (list, dict,

The patch also improves (makes more uniform) the error messages in the
parameter definitions.
Signed-off-by: default avatarIustin Pop <>
Reviewed-by: default avatarMichael Hanselmann <>
parent 4c405df7
# Copyright (C) 2010, 2011 Google Inc.
# Copyright (C) 2010, 2011, 2012 Google Inc.
# This program is free software; you can redistribute it and/or modify
# it under the terms of the GNU General Public License as published by
......@@ -193,13 +193,18 @@ class TestOpcodes(unittest.TestCase):
if callable(aval):
default_value = aval()
msg="Default value returned by function is callable")
msg=("Default value of %s.%s returned by function"
" is callable" % (cls.OP_ID, attr_name)))
self.assertFalse(isinstance(aval, (list, dict, set)),
msg=("Default value of %s.%s is mutable (%s)" %
(cls.OP_ID, attr_name, repr(aval))))
default_value = aval
if aval is not ht.NoDefault and test is not ht.NoType:
msg=("Default value of '%s.%s' does not verify" %
msg=("Default value of %s.%s does not verify" %
(cls.OP_ID, attr_name)))
# If any parameter has documentation, all others need to have it as well
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