Added failing test case for nested casts

tests/test_cast.py

@@ -46,6 +46,19 @@ def test_cast_from_dex(self):
             stdout="10,896",
         )
 
+    def test_nested_casts(self):
+        dom = self._test_parse_build(
+            "",
+            """
+                local ubyte a_byte = 0x99;
+                local ushort a_short = 0x88ff;
+                local uint a_int = 0x1234ffff;
+                local int final = (uint)(a_int + a_short + (ushort)(a_byte << 4));
+                Printf("%u", final);
+            """,
+            stdout="305498510", # taken directly from 010 editor
+        )
+
 
 if __name__ == "__main__":
     unittest.main()