@Test
public void testByteArrayToInt() {

	assertEquals(0, ByteUtil.byteArrayToInt(null));
	assertEquals(0, ByteUtil.byteArrayToInt(new byte[0]));

/		byte[] x = new byte[] { 5,1,7,0,8 };
/		long start = System.currentTimeMillis();
/		for (int i = 0; i < 100000000; i++) {
/			 ByteArray.read32bit(x, 0);
/		}
/		long end = System.currentTimeMillis();
/		System.out.println(end - start + "ms");
/
/		long start1 = System.currentTimeMillis();
/		for (int i = 0; i < 100000000; i++) {
/			new BigInteger(1, x).intValue();
/		}
/		long end1 = System.currentTimeMillis();
/		System.out.println(end1 - start1 + "ms");
}