os.write_wstring("bye");
InputStream is = os.create_input_stream();
assertTrue(is.available() > 0);
assertEquals(is.read_boolean(), true);
assertEquals(is.read_char(), 'a');
assertEquals(is.read_double(), 1.234, 0.001);
assertEquals(is.read_float(), 2.345f, 0.001f);
assertEquals(is.read_long(), 987);
assertEquals(is.read_longlong(), 876);