private void assertLongEquals(long l) {
        byte [] a = Utf8.toBytes(String.valueOf(l));
        byte [] b = Utf8.toAsciiBytes(l);
        if (!Arrays.equals(a, b)) {
            assertArrayEquals(a, b);
        }
    }
@author <a href="mailto:borud@yahoo-inc.com">Bjorn Borud</a>
@author <a href="mailto:steinar@yahoo-inc.com">Steinar Knutsen</a>
vespajlib/src/test/java/com/yahoo/text/Utf8TestCase.java