1 files changed, 169 insertions, 0 deletions
diff --git a/tests/analysis/scan/expr.py b/tests/analysis/scan/expr.py
new file mode 100644
index 0000000..dbe8c55
--- /dev/null
+++ b/tests/analysis/scan/expr.py
@@ -0,0 +1,169 @@
+
+
+from chrysacase import ChrysalideTestCase
+from pychrysalide.analysis.scan import ScanExpression
+from pychrysalide.glibext import ComparableItem
+
+
+class TestScanExpression(ChrysalideTestCase):
+    """TestCase for analysis.scan.ScanExpression."""
+
+
+    def testDirectInstances(self):
+        """Reject direct instances."""
+
+        with self.assertRaisesRegex(RuntimeError, 'pychrysalide.analysis.scan.ScanExpression is an abstract class'):
+
+            e = ScanExpression()
+
+
+    def testBooleanComparison(self):
+        """Compare custom scan expressions."""
+
+        class StrLenExpr(ScanExpression):
+
+            def __init__(self, value):
+                super().__init__(ScanExpression.ExprValueType.STRING)
+                self._value = value
+
+            def _cmp_rich(self, other, op):
+
+                if op == ComparableItem.RichCmpOperation.EQ:
+                    return len(self._value) == len(other._value)
+
+
+        e0 = StrLenExpr('00000000000')
+
+        e1 = StrLenExpr('00000000000')
+
+        e2 = StrLenExpr('000000000000000000000000000')
+
+        self.assertTrue(e0 == e1)
+
+        # !?
+        # Python teste e0 != e1 (non implémenté), puis e1 != e0 (pareil) et en déduit une différence !
+        # self.assertFalse(e0 != e1)
+
+        self.assertFalse(e0 == e2)
+
+        # TypeError: '<' not supported between instances of 'StrLenExpr' and 'StrLenExpr'
+        with self.assertRaisesRegex(TypeError, '\'<\' not supported between instances'):
+            self.assertTrue(e0 < e1)
+
+
+
+
+
+
+    # def testTypeSubclassing(self):
+    #     """Verify the data type subclassing is working."""
+
+    #     class MyType(DataType):
+
+    #         def __init__(self, num):
+    #             super(MyType, self).__init__()
+    #             self._num = num
+
+    #         def _to_string(self, include):
+    #             return '%x' % self._num
+
+    #         def _dup(self):
+    #             return MyType(self._num)
+
+    #     tp = MyType(0x123)
+
+    #     self.assertEqual(str(tp), '123')
+
+    #     tp2 = tp.dup()
+
+    #     self.assertEqual(str(tp), str(tp2))
+
+
+    # def testTypeDefaultProperties(self):
+    #     """Check for default values of some type properties."""
+
+    #     class MyPropType(DataType):
+    #         pass
+
+    #     tp = MyPropType()
+
+    #     self.assertTrue(tp.handle_namespaces)
+
+    #     self.assertFalse(tp.is_pointer)
+
+    #     self.assertFalse(tp.is_reference)
+
+    #     class MyPropType2(DataType):
+
+    #         def _handle_namespaces(self):
+    #             return True
+
+    #         def _is_pointer(self):
+    #             return 123 < 1234
+
+    #         def _is_reference(self):
+    #             return False
+
+    #     tp2 = MyPropType2()
+
+    #     self.assertTrue(tp.handle_namespaces)
+
+    #     self.assertTrue(tp2.is_pointer)
+
+    #     self.assertFalse(tp2.is_reference)
+
+
+    # def testTypeNamespaces(self):
+    #     """Test the type namespace property."""
+
+    #     class MyNSType(DataType):
+
+    #         def __init__(self, name):
+    #             super(MyNSType, self).__init__()
+    #             self._name = name
+
+    #         def _to_string(self, include):
+    #             return self._name
+
+    #     tp = MyNSType('TP')
+    #     ns = MyNSType('NS')
+
+    #     self.assertIsNone(tp.namespace)
+
+    #     tp.namespace = (ns, '.')
+
+    #     self.assertEqual(str(tp), 'NS.TP')
+
+    #     self.assertEqual(tp.namespace, (ns, '.'))
+
+
+    # def testTypeHash(self):
+    #     """Hash a user-defined type."""
+
+    #     class MyUserType(DataType):
+
+    #         def __init__(self, name):
+    #             super(MyUserType, self).__init__()
+    #             self._name = name
+
+    #         def _hash(self):
+    #             return hash(self._name)
+
+    #     tp = MyUserType('random')
+
+    #     self.assertEqual(tp.hash, hash('random') & ((1 << 32) - 1))
+
+    #     class MyOutOfRangeUserType(DataType):
+
+    #         hard_coded_hash = -8752470794866657507
+
+    #         def __init__(self, name):
+    #             super(MyOutOfRangeUserType, self).__init__()
+    #             self._name = name
+
+    #         def _hash(self):
+    #             return self.hard_coded_hash
+
+    #     tp = MyOutOfRangeUserType('out-of-range')
+
+    #     self.assertEqual(tp.hash, MyOutOfRangeUserType.hard_coded_hash & ((1 << 32) - 1))