1 files changed, 52 insertions, 0 deletions
diff --git a/python/pyarmnn/test/test_generated.py b/python/pyarmnn/test/test_generated.py
new file mode 100644
index 0000000000..c038b20ccb
--- /dev/null
+++ b/python/pyarmnn/test/test_generated.py
@@ -0,0 +1,52 @@
+# Copyright © 2019 Arm Ltd. All rights reserved.
+# SPDX-License-Identifier: MIT
+import inspect
+from typing import Tuple
+
+import pytest
+
+import pyarmnn._generated.pyarmnn as generated_armnn
+import pyarmnn._generated.pyarmnn_caffeparser as generated_caffe
+import pyarmnn._generated.pyarmnn_onnxparser as generated_onnx
+import pyarmnn._generated.pyarmnn_tfliteparser as generated_tflite
+import pyarmnn._generated.pyarmnn_tfparser as generated_tf
+
+swig_independent_classes = ('IBackend',
+                            'IDeviceSpec',
+                            'IConnectableLayer',
+                            'IInputSlot',
+                            'IOutputSlot',
+                            'IProfiler')
+
+
+def get_classes(swig_independent_classes: Tuple):
+    # We need to ignore some swig generated_armnn classes. This is because some are abstract classes
+    # They cannot be created with the swig generated_armnn wrapper, therefore they don't need a destructor.
+    # Swig also generates its own meta class - this needs to be ignored.
+    ignored_class_names = (*swig_independent_classes, '_SwigNonDynamicMeta')
+    return list(filter(lambda x: x[0] not in ignored_class_names,
+                       inspect.getmembers(generated_armnn, inspect.isclass) +
+                       inspect.getmembers(generated_caffe, inspect.isclass) +
+                       inspect.getmembers(generated_tflite, inspect.isclass) +
+                       inspect.getmembers(generated_onnx, inspect.isclass) +
+                       inspect.getmembers(generated_tf, inspect.isclass)))
+
+
+@pytest.mark.parametrize("class_instance", get_classes(swig_independent_classes), ids=lambda x: 'class={}'.format(x[0]))
+class TestPyOwnedClasses:
+
+    def test_destructors_exist_per_class(self, class_instance):
+        assert getattr(class_instance[1], '__swig_destroy__', None)
+
+    def test_owned(self, class_instance):
+        assert getattr(class_instance[1], 'thisown', None)
+
+
+@pytest.mark.parametrize("class_instance", swig_independent_classes)
+class TestPyIndependentClasses:
+
+    def test_destructors_does_not_exist_per_class(self, class_instance):
+        assert not getattr(class_instance[1], '__swig_destroy__', None)
+
+    def test_not_owned(self, class_instance):
+        assert not getattr(class_instance[1], 'thisown', None)