Restrict format presentation types to those specified in the 'Standard Format Specifiers' section of PEP 3101.
diff --git a/Lib/test/test_float.py b/Lib/test/test_float.py
index 0de65cb..b9ad8c5 100644
--- a/Lib/test/test_float.py
+++ b/Lib/test/test_float.py
@@ -133,13 +133,10 @@
self.assertEqual(format(0.01, ''), '0.01')
self.assertEqual(format(0.01, 'g'), '0.01')
- self.assertEqual(format(0, 'f'), '0.000000')
self.assertEqual(format(1.0, 'f'), '1.000000')
- self.assertEqual(format(1, 'f'), '1.000000')
self.assertEqual(format(-1.0, 'f'), '-1.000000')
- self.assertEqual(format(-1, 'f'), '-1.000000')
self.assertEqual(format( 1.0, ' f'), ' 1.000000')
self.assertEqual(format(-1.0, ' f'), '-1.000000')
@@ -152,6 +149,18 @@
# conversion to string should fail
self.assertRaises(ValueError, format, 3.0, "s")
+ # other format specifiers shouldn't work on floats,
+ # in particular int specifiers
+ for format_spec in ([chr(x) for x in range(ord('a'), ord('z')+1)] +
+ [chr(x) for x in range(ord('A'), ord('Z')+1)]):
+ if not format_spec in 'eEfFgGn%':
+ self.assertRaises(ValueError, format, 0.0, format_spec)
+ self.assertRaises(ValueError, format, 1.0, format_spec)
+ self.assertRaises(ValueError, format, -1.0, format_spec)
+ self.assertRaises(ValueError, format, 1e100, format_spec)
+ self.assertRaises(ValueError, format, -1e100, format_spec)
+ self.assertRaises(ValueError, format, 1e-100, format_spec)
+ self.assertRaises(ValueError, format, -1e-100, format_spec)
class ReprTestCase(unittest.TestCase):
def test_repr(self):