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-rw-r--r--Lib/test/test_format.py7
1 files changed, 7 insertions, 0 deletions
diff --git a/Lib/test/test_format.py b/Lib/test/test_format.py
index da635a9..83eb29f 100644
--- a/Lib/test/test_format.py
+++ b/Lib/test/test_format.py
@@ -390,6 +390,13 @@ class FormatTest(unittest.TestCase):
else:
raise TestFailed('"%*d"%(maxsize, -127) should fail')
+ def test_nul(self):
+ # test the null character
+ testcommon("a\0b", (), 'a\0b')
+ testcommon("a%cb", (0,), 'a\0b')
+ testformat("a%sb", ('c\0d',), 'ac\0db')
+ testcommon(b"a%sb", (b'c\0d',), b'ac\0db')
+
def test_non_ascii(self):
testformat("\u20ac=%f", (1.0,), "\u20ac=1.000000")