1 files changed, 67 insertions, 1 deletions
diff --git a/tests/memoryview/memoryview_annotation_typing.py b/tests/memoryview/memoryview_annotation_typing.py
index 260e9ffeb..57299c835 100644
--- a/tests/memoryview/memoryview_annotation_typing.py
+++ b/tests/memoryview/memoryview_annotation_typing.py
@@ -1,7 +1,9 @@
 # mode: run
-# tag: pep484, numpy, pure3.0
+# tag: pep484, numpy, pure3.7
 ##, warnings
 
+from __future__ import annotations  # object[:] cannot be evaluated
+
 import cython
 import numpy
 
@@ -52,3 +54,67 @@ def one_dim_nogil_cfunc(a: cython.double[:]):
     with cython.nogil:
         result = _one_dim_nogil_cfunc(a)
     return result
+
+
+def generic_object_memoryview(a: object[:]):
+    """
+    >>> a = numpy.ones((10,), dtype=object)
+    >>> generic_object_memoryview(a)
+    10
+    """
+    sum = 0
+    for ai in a:
+        sum += ai
+    if cython.compiled:
+        assert cython.typeof(a) == "object[:]", cython.typeof(a)
+    return sum
+
+
+def generic_object_memoryview_contig(a: object[::1]):
+    """
+    >>> a = numpy.ones((10,), dtype=object)
+    >>> generic_object_memoryview_contig(a)
+    10
+    """
+    sum = 0
+    for ai in a:
+        sum += ai
+    if cython.compiled:
+        assert cython.typeof(a) == "object[::1]", cython.typeof(a)
+    return sum
+
+
+@cython.cclass
+class C:
+    x: cython.int
+
+    def __init__(self, value):
+        self.x = value
+
+
+def ext_type_object_memoryview(a: C[:]):
+    """
+    >>> a = numpy.array([C(i) for i in range(10)], dtype=object)
+    >>> ext_type_object_memoryview(a)
+    45
+    """
+    sum = 0
+    for ai in a:
+        sum += ai.x
+    if cython.compiled:
+        assert cython.typeof(a) == "C[:]", cython.typeof(a)
+    return sum
+
+
+def ext_type_object_memoryview_contig(a: C[::1]):
+    """
+    >>> a = numpy.array([C(i) for i in range(10)], dtype=object)
+    >>> ext_type_object_memoryview_contig(a)
+    45
+    """
+    sum = 0
+    for ai in a:
+        sum += ai.x
+    if cython.compiled:
+        assert cython.typeof(a) == "C[::1]", cython.typeof(a)
+    return sum