t.addAttribute("123345".getBytes());
Assert.assertTrue(t.getNumberOfColumns() == 2);
Assert.assertTrue(t.getLongValueAt(1) == 123345);
Assert.assertTrue(t.getBytes().length == 9);
t.addAttribute("adfasdfg".getBytes());
Assert.assertTrue(t.getNumberOfColumns() == 3);
byte[] ret = t.getByteArrayValueAt(2);
Assert.assertTrue(ret.length == "adfasdfg".getBytes().length);
for(int i=0;i<ret.length;i++) {
Assert.assertTrue(ret[i] == "adfasdfg".getBytes()[i]);