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-rw-r--r--Lib/test/test_format.py11
1 files changed, 11 insertions, 0 deletions
diff --git a/Lib/test/test_format.py b/Lib/test/test_format.py
index 6d32e86..30b07d8 100644
--- a/Lib/test/test_format.py
+++ b/Lib/test/test_format.py
@@ -79,6 +79,17 @@ class FormatTest(unittest.TestCase):
testformat("%#.*f", (110, -1.e+100/3.))
testformat("%#.*F", (110, -1.e+100/3.))
overflowrequired = 0
+ # check for %f and %F
+ testformat("%f", (1.0,), "1.000000")
+ testformat("%F", (1.0,), "1.000000")
+ testformat("%f", (1e100,), "1e+100")
+ testformat("%F", (1e100,), "1E+100")
+ testformat("%f", (1e100,), "1e+100")
+ testformat("%F", (1e100,), "1E+100")
+ testformat("%f", (float('nan'),), "nan")
+ testformat("%F", (float('nan'),), "NAN")
+ testformat("%f", (float('inf'),), "inf")
+ testformat("%F", (float('inf'),), "INF")
# Formatting of integers. Overflow is not ok
overflowok = 0
testformat("%x", 10, "a")