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Diffstat (limited to 'Lib/test/test_string.py')
| -rw-r--r-- | Lib/test/test_string.py | 17 |
1 files changed, 17 insertions, 0 deletions
diff --git a/Lib/test/test_string.py b/Lib/test/test_string.py index c2bdfdb..3e65071 100644 --- a/Lib/test/test_string.py +++ b/Lib/test/test_string.py @@ -32,6 +32,23 @@ class ModuleTest(unittest.TestCase): self.assertEqual(fmt.format("foo{0}", "bar"), "foobar") self.assertEqual(fmt.format("foo{1}{0}-{1}", "bar", 6), "foo6bar-6") + def test_auto_numbering(self): + fmt = string.Formatter() + self.assertEqual(fmt.format('foo{}{}', 'bar', 6), + 'foo{}{}'.format('bar', 6)) + self.assertEqual(fmt.format('foo{1}{num}{1}', None, 'bar', num=6), + 'foo{1}{num}{1}'.format(None, 'bar', num=6)) + self.assertEqual(fmt.format('{:^{}}', 'bar', 6), + '{:^{}}'.format('bar', 6)) + self.assertEqual(fmt.format('{:^{pad}}{}', 'foo', 'bar', pad=6), + '{:^{pad}}{}'.format('foo', 'bar', pad=6)) + + with self.assertRaises(ValueError): + fmt.format('foo{1}{}', 'bar', 6) + + with self.assertRaises(ValueError): + fmt.format('foo{}{1}', 'bar', 6) + def test_conversion_specifiers(self): fmt = string.Formatter() self.assertEqual(fmt.format("-{arg!r}-", arg='test'), "-'test'-") |