*
 */
public class LongConversionUtilTest extends TestCase {

    /**
     * @throws Exception
     */
    public void testToLong() throws Exception {
        assertEquals(new Long("1000"), LongConversionUtil.toLong("1,000"));
    }

    /**
     * @throws Exception
     */
    public void testToPrimitiveLong() throws Exception {
        assertEquals(1000, LongConversionUtil.toPrimitiveLong("1,000"));
    }

    /**

        } else if (type == Double.class) {
            return DoubleConversionUtil.toDouble(o);
        } else if (type == Long.class) {
            return LongConversionUtil.toLong(o);
        } else if (type == Float.class) {
            return FloatConversionUtil.toFloat(o);
        } else if (type == Short.class) {
            return ShortConversionUtil.toShort(o);

        if (o == null) {
            return null;
        } else if (o instanceof BigInteger) {
            return (BigInteger) o;
        } else {
            final Long l = LongConversionUtil.toLong(o, pattern);
            if (l == null) {
                return null;
            }
            return BigInteger.valueOf(l);
        }
    }

                args[index] = IntegerConversionUtil.toInteger(args[index]);
                return true;
            } else if (paramTypes[index] == long.class) {
                args[index] = LongConversionUtil.toLong(args[index]);
                return true;
            } else if (paramTypes[index] == float.class) {
                args[index] = FloatConversionUtil.toFloat(args[index]);
                return true;

     * @return 変換された{@link Long}
     */
    public static Long toLong(final Object o) {
        return toLong(o, null);
    }

    /**
     * {@link Long}に変換します。
     *
     * @param o
     *            変換元のオブジェクト
     * @param pattern
     *            パターン文字列
     * @return 変換された{@link Long}
     */
    public static Long toLong(final Object o, final String pattern) {
        if (o == null) {