Accellerate binary readline() a bit.
diff --git a/Lib/test/test_io.py b/Lib/test/test_io.py
index c98d61f..c555623 100644
--- a/Lib/test/test_io.py
+++ b/Lib/test/test_io.py
@@ -168,6 +168,18 @@
self.read_ops(f, True)
f.close()
+ def test_readline(self):
+ f = io.open(test_support.TESTFN, "wb")
+ f.write(b"abc\ndef\nxyzzy\nfoo")
+ f.close()
+ f = io.open(test_support.TESTFN, "rb")
+ self.assertEqual(f.readline(), b"abc\n")
+ self.assertEqual(f.readline(10), b"def\n")
+ self.assertEqual(f.readline(2), b"xy")
+ self.assertEqual(f.readline(4), b"zzy\n")
+ self.assertEqual(f.readline(), b"foo")
+ f.close()
+
def test_raw_bytes_io(self):
f = io.BytesIO()
self.write_ops(f)