Add a test for Array.copy().

test/test_array.py

@@ -762,6 +762,32 @@ def test_diff(ctx_factory):
             (cl.array.diff(a_dev).get() - np.diff(a)))
     assert err < 1e-4
 
+
+def test_copy(ctx_factory):
+    context = ctx_factory()
+    queue1 = cl.CommandQueue(context)
+    queue2 = cl.CommandQueue(context)
+
+    # Test copy
+
+    arr = cl.array.zeros(queue1, 100, np.int32)
+    arr_copy = arr.copy()
+
+    assert (arr == arr_copy).all().get()
+    assert arr.data != arr_copy.data
+
+    # Test queue association
+
+    arr_copy = arr.copy(queue=queue2)
+    assert arr_copy.queue == queue2
+
+    arr_copy = arr.copy(queue=None)
+    assert arr_copy.queue == None
+
+    arr_copy = arr.with_queue(None).copy(queue=queue1)
+    assert arr_copy.queue == queue1
+
+
 # }}}