@Test 
	public void search_ISBNtest(){

		try{
			bookcollectb.searchISBNbook(1315);
			int count =0;
			ObjectInputStream osi = new ObjectInputStream(new FileInputStream("bookcollectiontest.txt"));///óϾ , Ͼ׳ϴ° ҽ߰
			bookcollectb.setBookCount(osi.readInt());
			for( int i= 0; i< bookcollectb.getBookCount();i++){
				Book ms = (Book)osi.readObject();
				if(ms.ISBN == 1315) //ϴ ISBN(1315) ־ 
					count++;

			}
			assertTrue(count ==1);
		} catch (Exception e) {
		}   
	}