pyjnius/tests/test_bytearray.py

import unittest
from jnius import autoclass

class StringArgumentForByteArrayTest(unittest.TestCase):

    def test_string_arg_for_byte_array(self):
        # the ByteBuffer.wrap() accept only byte[].
        ByteBuffer = autoclass('java.nio.ByteBuffer')
        self.assertIsNotNone(ByteBuffer.wrap('hello world'))

    def test_string_arg_with_signed_char(self):
        ByteBuffer = autoclass('java.nio.ByteBuffer')
        self.assertIsNotNone(ByteBuffer.wrap('\x00\xffHello World\x7f'))