Issue #3382: Make '%F' and float.__format__('F') convert results to upper case. Much of the patch came from Mark Dickinson.
diff --git a/Lib/test/test_float.py b/Lib/test/test_float.py
index 4e918fb..3ad1402 100644
--- a/Lib/test/test_float.py
+++ b/Lib/test/test_float.py
@@ -309,6 +309,14 @@
self.assertRaises(ValueError, format, 1e-100, format_spec)
self.assertRaises(ValueError, format, -1e-100, format_spec)
+ # issue 3382: 'f' and 'F' with inf's and nan's
+ self.assertEqual('{0:f}'.format(INF), 'inf')
+ self.assertEqual('{0:F}'.format(INF), 'INF')
+ self.assertEqual('{0:f}'.format(-INF), '-inf')
+ self.assertEqual('{0:F}'.format(-INF), '-INF')
+ self.assertEqual('{0:f}'.format(NAN), 'nan')
+ self.assertEqual('{0:F}'.format(NAN), 'NAN')
+
@unittest.skipUnless(float.__getformat__("double").startswith("IEEE"),
"test requires IEEE 754 doubles")
def test_format_testfile(self):
@@ -321,8 +329,10 @@
lhs, rhs = map(str.strip, line.split('->'))
fmt, arg = lhs.split()
- self.assertEqual(fmt % float(arg), rhs)
- self.assertEqual(fmt % -float(arg), '-' + rhs)
+ arg = float(arg)
+ self.assertEqual(fmt % arg, rhs)
+ if not math.isnan(arg) and copysign(1.0, arg) > 0.0:
+ self.assertEqual(fmt % -arg, '-' + rhs)
def test_issue5864(self):
self.assertEquals(format(123.456, '.4'), '123.5')