package Cases; import java.io.*; import java.io.File; import neustore.base.DBIndex;//because we create a object of index.java import neustore.base.LRUBuffer;//because we create an object of it public class TestCase3 { public static void main(String[] args)throws IOException { //all the pages will be stored under this file name String filename3="TESTFILE3"; File file= new File(filename3); if(file.delete()) { System.out.println("The old file with that name has been deleted"); } else { System.out.println("The file was not found"); } //'buf' is an object of XMLBuffer class. Passews 2 arguments 5=Buffer size and 2048=page size in bytes XMLBuffer buf3= new XMLBuffer(5,2048); //Creating an object of XMLContent class and passing the 'buf3'(buffer) , filename and boolean value 'true' (indicating a new file has to be created with the passed filename) //If we do not plan to create a new file for Structure index, then the Constructor of the XMLContent class should send 'false' to its super class //creating an object of XMLContent class to test its methods XMLContent XC=new XMLContent(buf3,filename3,1); //(STATE 7) //This code would append the content String s=new String("New String"); DiskAddress addr=XC.appendContent(s); System.out.println("The appened content adress has Pageid="+addr.PageId+" and starts from "+addr.RecordNumber); //in our case should return pageid=4 and starts from 31(if you start addressing the page starting from 1) //This code will test the getContent method String str=XC.getContent(addr,10); System.out.println("The returned string is "+str); if(str.equals(s)) //Check wether the arguments passed are correct depending upon your scheme of layout of pages { System.out.println("The getContent method runs fine"); } else { System.out.println("The getContent method did not return what we intended"); } //this code will get the size of the whole content int x=XC.getSize(); System.out.println("The total size of the content is"+x); //this should return 40.(we must insert the content for the first 30 bytes to get this value) x=XC.deleteContent(addr,10); System.out.println("This Exit status of deleteContent is"+x); // XC.close();//remove the comments if the file needs to be closed before exiting }//end of main() method }//end of TestCase3