Class MyStruct

Lib/test/test_struct.py:838–840

    def test_custom_struct_init(self):
        # Regression test for https://github.com/python/cpython/issues/112358
        class MyStruct(struct.Struct):
            def __init__(self, *args, **kwargs):
                super().__init__('>h')

        my_struct = MyStruct('>h')
        self.assertEqual(my_struct.pack(12345), b'\x30\x39')