index = saf.indexOf(bs, 0, bs.length);
System.out.println("saf.indexOf(bs) 2:"+index);
if(index!=3){
super.fail();
}
saf.seek(0);
bs = "试索引".getBytes("gb2312");
index = saf.indexOf(bs, 0, bs.length);
this.printBytes("试索引:", bs);
System.out.println("saf.indexOf(bs) 3:"+index);