mirrors/cpython
1
0
Fork 0
mirror of https://github.com/python/cpython.git synced 2025-08-27 12:16:04 +00:00
Code Issues Projects Releases Packages Wiki Activity Actions 8

Added test cases for string.Formatter subclassing.

Browse source 
Made format_spec parameter to builtin format optional, defaults to
empty string.  Added test cases.
This commit is contained in:
Eric Smith 2007-08-31 01:14:01 +00:00
parent 231ff0ec11
commit 81936699c8
3 changed files with 76 additions and 20 deletions
Download patch file Download diff file Expand all files Collapse all files

23
Lib/test/test_builtin.py
View file

@ -532,15 +532,22 @@ class BuiltinTest(unittest.TestCase):
self.assertEqual(format(3, ''), '3')
self.assertEqual(format(A(3), 'spec'), '3spec')
def empty_format_spec(value):
# test that:
# format(x, '') == str(x)
# format(x) == str(x)
self.assertEqual(format(value, ""), str(value))
self.assertEqual(format(value), str(value))
# for builtin types, format(x, "") == str(x)
self.assertEqual(format(17**13, ""), str(17**13))
self.assertEqual(format(1.0, ""), str(1.0))
self.assertEqual(format(3.1415e104, ""), str(3.1415e104))
self.assertEqual(format(-3.1415e104, ""), str(-3.1415e104))
self.assertEqual(format(3.1415e-104, ""), str(3.1415e-104))
self.assertEqual(format(-3.1415e-104, ""), str(-3.1415e-104))
self.assertEqual(format(object, ""), str(object))
self.assertEqual(format(None, ""), str(None))
empty_format_spec(17**13)
empty_format_spec(1.0)
empty_format_spec(3.1415e104)
empty_format_spec(-3.1415e104)
empty_format_spec(3.1415e-104)
empty_format_spec(-3.1415e-104)
empty_format_spec(object)
empty_format_spec(None)
# TypeError because self.__format__ returns the wrong type
self.assertRaises(TypeError, format, H(), "")