fix tests by moving commonly used test helper file to a new test support directory

--HG--
rename : tests/memoryview/cythonarrayutil.pxi => tests/testsupport/cythonarrayutil.pxi

1 files changed, 28 insertions, 0 deletions

diff --git a/tests/testsupport/cythonarrayutil.pxi b/tests/testsupport/cythonarrayutil.pxi
new file mode 100644
index 000000000..50d764acd
--- /dev/null
+++ b/tests/testsupport/cythonarrayutil.pxi
@@ -0,0 +1,28 @@
+from libc.stdlib cimport malloc, free
+cimport cython
+from cython.view cimport array
+
+cdef void callback(void *data):
+    print "callback called"
+    free(data)
+
+def create_array(shape, mode, use_callback=False):
+    cdef array result = array(shape, itemsize=sizeof(int),
+                              format='i', mode=mode)
+    cdef int *data = <int *> result.data
+    cdef int i, j, cidx, fidx
+
+    for i in range(shape[0]):
+        for j in range(shape[1]):
+            cidx = i * shape[1] + j
+            fidx = i + j * shape[0]
+
+            if mode == 'fortran':
+                data[fidx] = cidx
+            else:
+                data[cidx] = cidx
+
+    if use_callback:
+        result.callback_free_data = callback
+
+    return result