Issue #14930: Make memoryview objects weakrefable.
diff --git a/Lib/test/test_memoryview.py b/Lib/test/test_memoryview.py
index 8809930..5a33d03 100644
--- a/Lib/test/test_memoryview.py
+++ b/Lib/test/test_memoryview.py
@@ -336,6 +336,21 @@
m = self._view(b)
self.assertRaises(ValueError, hash, m)
+ def test_weakref(self):
+ # Check memoryviews are weakrefable
+ for tp in self._types:
+ b = tp(self._source)
+ m = self._view(b)
+ L = []
+ def callback(wr, b=b):
+ L.append(b)
+ wr = weakref.ref(m, callback)
+ self.assertIs(wr(), m)
+ del m
+ test.support.gc_collect()
+ self.assertIs(wr(), None)
+ self.assertIs(L[0], b)
+
# Variations on source objects for the buffer: bytes-like objects, then arrays
# with itemsize > 1.
# NOTE: support for multi-dimensional objects is unimplemented.
diff --git a/Lib/test/test_sys.py b/Lib/test/test_sys.py
index e3629ff..b024d9a 100644
--- a/Lib/test/test_sys.py
+++ b/Lib/test/test_sys.py
@@ -778,7 +778,7 @@
check(int(PyLong_BASE**2-1), size(vh) + 2*self.longdigit)
check(int(PyLong_BASE**2), size(vh) + 3*self.longdigit)
# memoryview
- check(memoryview(b''), size(h + 'PPiP4P2i5P3cP'))
+ check(memoryview(b''), size(h + 'PPiP4P2i5P3c2P'))
# module
check(unittest, size(h + '3P'))
# None