michael@0: import WebIDL
michael@0: 
michael@0: def WebIDLTest(parser, harness):
michael@0:     parser.parse("""
michael@0:         interface Foo;
michael@0:         interface Bar;
michael@0:         interface Foo;
michael@0:         """);
michael@0: 
michael@0:     results = parser.finish()
michael@0: 
michael@0:     # There should be no duplicate interfaces in the result.
michael@0:     expectedNames = sorted(['Foo', 'Bar'])
michael@0:     actualNames = sorted(map(lambda iface: iface.identifier.name, results))
michael@0:     harness.check(actualNames, expectedNames, "Parser shouldn't output duplicate names.")