try (InputStream stream = cache.getInputStream()) {
            for (int i = 0; i < 256; i++) {
                int byteValue = stream.read();
                assertEquals("Byte at position " + i, i & 0xFF, byteValue);
            }
            assertEquals(-1, stream.read()); // End of stream
        }
    }

    @Test

    private byte getByteValue(String s, String attribute, XmlPullParser parser, boolean strict)
            throws XmlPullParserException {
        if (s != null) {
            try {
                return Byte.valueOf(s).byteValue();
            } catch (NumberFormatException nfe) {
                if (strict) {
                    throw new XmlPullParserException(