1 files changed, 72 insertions, 0 deletions
diff --git a/tests/arch/operand.py b/tests/arch/operand.py
new file mode 100644
index 0000000..e8df8b5
--- /dev/null
+++ b/tests/arch/operand.py
@@ -0,0 +1,72 @@
+
+import pychrysalide
+
+from chrysacase import ChrysalideTestCase
+from pychrysalide.arch import ArchOperand
+from pychrysalide.glibext import HashableObject, StringBuilder
+
+
+class TestOperand(ChrysalideTestCase):
+    """TestCase for arch.ArchOperand."""
+
+
+    def testAbstractClass(self):
+        """Forbid operand class instance."""
+
+        with self.assertRaisesRegex(RuntimeError, 'pychrysalide.arch.ArchOperand is an abstract class'):
+            pc = ArchOperand()
+
+
+    def testStringBuilderMethodsOverriding(self):
+        """Override the StringBuilder interface provided by native implementations."""
+
+        class MyOperand(ArchOperand, StringBuilder):
+
+            def __init__(self):
+                super().__init__(self)
+
+            def _to_string(self, flags=0):
+                return 'my-op'
+
+        op = MyOperand()
+
+        self.assertEqual(op.to_string(), 'my-op')
+        self.assertEqual(str(op), 'my-op')
+        self.assertEqual(f'{op}', 'my-op')
+
+
+    def testHashableObjectMethods(self):
+        """Test the HashableObject methods implemantation for operands."""
+
+        # Pas d'implementation de particulière de HashableObject,
+        # c'est donc la définition d'implémentation d'ArchOperand
+        # qui s'applique.
+
+        # Spécificité de l'implémentation GLib : hash 32 bits
+
+        class DefaultHashableOperand(ArchOperand):
+            pass
+
+        def_op = DefaultHashableOperand()
+
+        h = hash(def_op)
+
+        self.assertEqual(0, h & ~0xffffffff)
+
+
+        # Définition particulière de l'opérande, sur la base de
+        # l'implémentation parente.
+
+        class CustomHashableOperand(ArchOperand, HashableObject):
+
+            def _hash(self):
+                h = self.parent_hash()
+                h &= ~0xffff
+                return h
+
+        cust_op = CustomHashableOperand()
+
+        h = hash(cust_op)
+
+        self.assertEqual(0, h & 0xffff)
+        self.assertEqual(0, h & ~0xffffffff)