bpo-29714: Fix a regression that bytes format may fail when containing zero bytes inside. (GH-499)
diff --git a/Lib/test/test_bytes.py b/Lib/test/test_bytes.py
index 671c35e..8a3b805 100644
--- a/Lib/test/test_bytes.py
+++ b/Lib/test/test_bytes.py
@@ -515,6 +515,11 @@
a = b % (b'seventy-nine', 79)
self.assertEqual(a, b'seventy-nine / 100 = 79%')
self.assertIs(type(a), self.type2test)
+ # issue 29714
+ b = self.type2test(b'hello,\x00%b!')
+ b = b % b'world'
+ self.assertEqual(b, b'hello,\x00world!')
+ self.assertIs(type(b), self.type2test)
def test_imod(self):
b = self.type2test(b'hello, %b!')
@@ -527,6 +532,11 @@
b %= (b'seventy-nine', 79)
self.assertEqual(b, b'seventy-nine / 100 = 79%')
self.assertIs(type(b), self.type2test)
+ # issue 29714
+ b = self.type2test(b'hello,\x00%b!')
+ b %= b'world'
+ self.assertEqual(b, b'hello,\x00world!')
+ self.assertIs(type(b), self.type2test)
def test_rmod(self):
with self.assertRaises(TypeError):