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-rw-r--r--dom/bindings/parser/tests/test_argument_identifier_conflicts.py16
1 files changed, 16 insertions, 0 deletions
diff --git a/dom/bindings/parser/tests/test_argument_identifier_conflicts.py b/dom/bindings/parser/tests/test_argument_identifier_conflicts.py
new file mode 100644
index 0000000000..3ee8dc6bd6
--- /dev/null
+++ b/dom/bindings/parser/tests/test_argument_identifier_conflicts.py
@@ -0,0 +1,16 @@
+def WebIDLTest(parser, harness):
+ threw = False
+ try:
+ parser.parse(
+ """
+ interface ArgumentIdentifierConflict {
+ undefined foo(boolean arg1, boolean arg1);
+ };
+ """
+ )
+
+ parser.finish()
+ except Exception:
+ threw = True
+
+ harness.ok(threw, "Should have thrown.")