1 files changed, 61 insertions, 0 deletions
diff --git a/dom/bindings/parser/tests/test_record.py b/dom/bindings/parser/tests/test_record.py
new file mode 100644
index 0000000000..930b0e1a90
--- /dev/null
+++ b/dom/bindings/parser/tests/test_record.py
@@ -0,0 +1,61 @@
+import WebIDL
+
+
+def WebIDLTest(parser, harness):
+    parser.parse(
+        """
+        dictionary Dict {};
+        interface RecordArg {
+          undefined foo(record<DOMString, Dict> arg);
+        };
+    """
+    )
+
+    results = parser.finish()
+
+    harness.check(len(results), 2, "Should know about two things")
+    harness.ok(
+        isinstance(results[1], WebIDL.IDLInterface), "Should have an interface here"
+    )
+    members = results[1].members
+    harness.check(len(members), 1, "Should have one member")
+    harness.ok(members[0].isMethod(), "Should have method")
+    signature = members[0].signatures()[0]
+    args = signature[1]
+    harness.check(len(args), 1, "Should have one arg")
+    harness.ok(args[0].type.isRecord(), "Should have a record type here")
+    harness.ok(args[0].type.inner.isDictionary(), "Should have a dictionary inner type")
+
+    parser = parser.reset()
+    threw = False
+    try:
+        parser.parse(
+            """
+            interface RecordUndefinedArg {
+              undefined foo(record<DOMString, undefined> arg);
+            };
+        """
+        )
+
+        results = parser.finish()
+    except Exception:
+        threw = True
+    harness.ok(
+        threw, "Should have thrown because record can't have undefined as value type."
+    )
+
+    parser = parser.reset()
+    threw = False
+    try:
+        parser.parse(
+            """
+            dictionary Dict {
+              record<DOMString, Dict> val;
+            };
+        """
+        )
+
+        results = parser.finish()
+    except Exception:
+        threw = True
+    harness.ok(threw, "Should have thrown on dictionary containing itself via record.")