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Issue #3282: str.isprintable() should return False for undefined Unicode characters.

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This commit is contained in:
Georg Brandl 2008-07-04 15:55:02 +00:00
parent 6e7196fb93
commit d52429fb49
6 changed files with 8937 additions and 8818 deletions
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17
Lib/test/test_unicode.py
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@ -420,12 +420,17 @@ class UnicodeTest(
self.assertFalse(" ".isidentifier())
self.assertFalse("[".isidentifier())
self.assertFalse("©".isidentifier())
self.assertFalse("0".isidentifier())
def test_isprintable(self):
self.assertTrue("".isprintable())
self.assertTrue("abcdefg".isprintable())
self.assertFalse("abcdefg\n".isprintable())
self.assertTrue("\u0370".isprintable())
# some defined Unicode character
self.assertTrue("\u0374".isprintable())
# undefined character
self.assertFalse("\u0370".isprintable())
# single surrogate character
self.assertFalse("\ud800".isprintable())
def test_contains(self):
@ -598,7 +603,7 @@ class UnicodeTest(
# format specifiers for user defined type
self.assertEqual('{0:abc}'.format(C()), 'abc')
# !r, !s and !a coersions
# !r, !s and !a coercions
self.assertEqual('{0!s}'.format('Hello'), 'Hello')
self.assertEqual('{0!s:}'.format('Hello'), 'Hello')
self.assertEqual('{0!s:15}'.format('Hello'), 'Hello ')
@ -606,11 +611,15 @@ class UnicodeTest(
self.assertEqual('{0!r}'.format('Hello'), "'Hello'")
self.assertEqual('{0!r:}'.format('Hello'), "'Hello'")
self.assertEqual('{0!r}'.format(F('Hello')), 'F(Hello)')
self.assertEqual('{0!r}'.format(F('\u0370')), 'F(\u0370)')
self.assertEqual('{0!r}'.format('\u0370'), "'\\u0370'") # nonprintable
self.assertEqual('{0!r}'.format('\u0374'), "'\u0374'") # printable
self.assertEqual('{0!r}'.format(F('\u0374')), 'F(\u0374)')
self.assertEqual('{0!a}'.format('Hello'), "'Hello'")
self.assertEqual('{0!a}'.format('\u0370'), "'\\u0370'") # nonprintable
self.assertEqual('{0!a}'.format('\u0374'), "'\\u0374'") # printable
self.assertEqual('{0!a:}'.format('Hello'), "'Hello'")
self.assertEqual('{0!a}'.format(F('Hello')), 'F(Hello)')
self.assertEqual('{0!a}'.format(F('\u0370')), 'F(\\u0370)')
self.assertEqual('{0!a}'.format(F('\u0374')), 'F(\\u0374)')
# test fallback to object.__format__
self.assertEqual('{0}'.format({}), '{}')