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-rw-r--r--Lib/test/test_memoryio.py15
1 files changed, 15 insertions, 0 deletions
diff --git a/Lib/test/test_memoryio.py b/Lib/test/test_memoryio.py
index 48d5354..07c80436 100644
--- a/Lib/test/test_memoryio.py
+++ b/Lib/test/test_memoryio.py
@@ -140,6 +140,7 @@ class MemoryTestMixin:
self.assertEqual(memio.getvalue(), buf * 2)
memio.__init__(buf)
self.assertEqual(memio.getvalue(), buf)
+ self.assertRaises(TypeError, memio.__init__, [])
def test_read(self):
buf = self.buftype("1234567890")
@@ -338,6 +339,13 @@ class MemoryTestMixin:
self.assertEqual(test1(), buf)
self.assertEqual(test2(), buf)
+ def test_instance_dict_leak(self):
+ # Test case for issue #6242.
+ # This will be caught by regrtest.py -R if this leak.
+ for _ in range(100):
+ memio = self.ioclass()
+ memio.foo = 1
+
class PyBytesIOTest(MemoryTestMixin, MemorySeekTestMixin, unittest.TestCase):
@@ -527,6 +535,13 @@ class PyStringIOTest(MemoryTestMixin, MemorySeekTestMixin, unittest.TestCase):
memio = self.ioclass("a\r\nb\r\n", newline=None)
self.assertEqual(memio.read(5), "a\nb\n")
+ def test_newline_argument(self):
+ self.assertRaises(TypeError, self.ioclass, newline=b"\n")
+ self.assertRaises(ValueError, self.ioclass, newline="error")
+ # These should not raise an error
+ for newline in (None, "", "\n", "\r", "\r\n"):
+ self.ioclass(newline=newline)
+
class CBytesIOTest(PyBytesIOTest):
ioclass = io.BytesIO