1 files changed, 18 insertions, 0 deletions
diff --git a/dom/bindings/parser/tests/test_incomplete_parent.py b/dom/bindings/parser/tests/test_incomplete_parent.py
new file mode 100644
index 0000000000..80662a7848
--- /dev/null
+++ b/dom/bindings/parser/tests/test_incomplete_parent.py
@@ -0,0 +1,18 @@
+def WebIDLTest(parser, harness):
+    parser.parse(
+        """
+        interface TestIncompleteParent : NotYetDefined {
+          undefined foo();
+        };
+
+        interface NotYetDefined : EvenHigherOnTheChain {
+        };
+
+        interface EvenHigherOnTheChain {
+        };
+    """
+    )
+
+    parser.finish()
+
+    harness.ok(True, "TestIncompleteParent interface parsed without error.")