'Unbounded file.read() must handle signals and not lose data.'

def test_readall(self):

    self._test_reading(data_to_write='hello,    world!abcdefghijklm', read_and_verify_code='data    =    infile.read()    ;expected_data    =    "hello,    world!abcdefghijklm\\n";assert    data    ==    expected_data,    ("read    %r    expected    %r"    %    (data,    expected_data))', method_name='unbounded    read')
