public static int bytesToIntLE(byte[] bytes, int off) {
        return (bytes[off + 3] << 24) + ((bytes[off + 2] & 255) << 16)
                + ((bytes[off + 1] & 255) << 8) + (bytes[off] & 255);
    }
@Test
    public void testBytesToIntLE() {
        assertEquals(-12345,
                ByteUtils.bytesToIntLE(INT_12345_LE, 0));
    }