Method check

Lib/test/test_htmlparser.py:1018–1021

(source)

        # Each of these examples used to take about an hour.
        # Now they take a fraction of a second.
        def check(source):
            parser = html.parser.HTMLParser()
            parser.feed(source)
            parser.close()
        n = 120_000
        check("<a " * n)
        check("<a a=" * n)