Issue #26644: Raise ValueError for negative SSLSocket.recv() and read()
diff --git a/Lib/test/test_ssl.py b/Lib/test/test_ssl.py
index 86ba655..0f6c510 100644
--- a/Lib/test/test_ssl.py
+++ b/Lib/test/test_ssl.py
@@ -2622,7 +2622,18 @@
# consume data
s.read()
+ # read(-1, buffer) is supported, even though read(-1) is not
+ data = b"data"
+ s.send(data)
+ buffer = bytearray(len(data))
+ self.assertEqual(s.read(-1, buffer), len(data))
+ self.assertEqual(buffer, data)
+
s.write(b"over\n")
+
+ self.assertRaises(ValueError, s.recv, -1)
+ self.assertRaises(ValueError, s.read, -1)
+
s.close()
def test_handshake_timeout(self):