Adding upstream version 86.0.1.upstream/86.0.1upstream

Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>

1 files changed, 20 insertions, 0 deletions

diff --git a/dom/bindings/parser/tests/test_deduplicate.py b/dom/bindings/parser/tests/test_deduplicate.py
new file mode 100644
index 0000000000..6649f4ec05
--- /dev/null
+++ b/dom/bindings/parser/tests/test_deduplicate.py
@@ -0,0 +1,20 @@
+import WebIDL
+
+
+def WebIDLTest(parser, harness):
+    parser.parse(
+        """
+        interface Foo;
+        interface Bar;
+        interface Foo;
+        """
+    )
+
+    results = parser.finish()
+
+    # There should be no duplicate interfaces in the result.
+    expectedNames = sorted(["Foo", "Bar"])
+    actualNames = sorted(map(lambda iface: iface.identifier.name, results))
+    harness.check(
+        actualNames, expectedNames, "Parser shouldn't output duplicate names."
+    )