A test for a bug fixed in commit
478b939a4c99a77c0863cfd.
v2: add commit link above
v3: # tag: instead of # tags:, drop cpp tag as it means something different
that I originally thought
There was a bug that produced C code where gcc emitted warnings:
extension_type_memoryview.c: In function ‘__pyx_pf_25extension_type_memoryview_test_getitem’:
extension_type_memoryview.c:1468:15: warning: assignment from incompatible pointer type
extension_type_memoryview.c: In function ‘__pyx_pf_25extension_type_memoryview_2test_getitem_typed’:
extension_type_memoryview.c:1565:15: warning: assignment from incompatible pointer type
extension_type_memoryview.c:1568:18: warning: assignment from incompatible pointer type
And g++ failed with errors:
extension_type_memoryview.c: In function ‘PyObject* __pyx_pf_25extension_type_memoryview_test_getitem(PyObject*)’:
extension_type_memoryview.c:1468:213: error: cannot convert ‘__pyx_obj_25extension_type_memoryview_ExtensionType*’ to ‘PyObject*’ in assignment
extension_type_memoryview.c: In function ‘PyObject* __pyx_pf_25extension_type_memoryview_2test_getitem_typed(PyObject*)’:
extension_type_memoryview.c:1565:213: error: cannot convert ‘__pyx_obj_25extension_type_memoryview_ExtensionType*’ to ‘PyObject*’ in assignment
extension_type_memoryview.c:1568:20: error: cannot convert ‘PyObject*’ to ‘__pyx_obj_25extension_type_memoryview_ExtensionType*’ in assignment
--- /dev/null
+# mode: run
+# tag: numpy
+
+import numpy as np
+
+
+cdef class ExtensionType(object):
+ cdef public int dummy
+
+ def __init__(self, n):
+ self.dummy = n
+
+items = [ExtensionType(1), ExtensionType(2)]
+cdef ExtensionType[:] view = np.array(items, dtype=ExtensionType)
+
+def test_getitem():
+ """
+ >>> test_getitem()
+ 1
+ 2
+ """
+ for i in range(view.shape[0]):
+ item = view[i]
+ print item.dummy
+
+def test_getitem_typed():
+ """
+ >>> test_getitem_typed()
+ 1
+ 2
+ """
+ cdef ExtensionType item
+ for i in range(view.shape[0]):
+ item = view[i]
+ print item.dummy