Method update

Lib/test/test_hashlib.py:1140–1142

(chunk_size)

        h2 = constructor(data * num_threads, usedforsecurity=False)

        def update(chunk_size):
            for index in range(0, len(data), chunk_size):
                h1.update(data[index:index + chunk_size])

        threads = []
        for thread_num in range(num_threads):