import java.util.*;
import simpledb.*;
import simpledb.test.*;

import java.io.*;

public class simpledb {

    public static void main (String args[]) {
	// convert a file
	if(args[0].equals("convert")) {
	    try {
		HeapFileEncoder.convert(new File(args[1]),
					new File(args[1].replaceAll(".txt", ".dat")),
					BufferPool.PAGE_SIZE,
					Integer.parseInt(args[2]));
	    } catch (IOException e) {
	    }
	    return;
	}
	
	// otherwise, run a particular test file	
	Class c = null;
	try {
	    c = Class.forName(args[0]);
	} catch(ClassNotFoundException e) {
	    System.out.println("Couldn't find class " + args[0]);
	}
	
	Test t = null;
	try {
	    t = (Test) c.newInstance();
	} catch(InstantiationException e) {
	    System.out.println("Couldn't instantiate class " + args[0]);
	} catch(IllegalAccessException e) {
	    System.out.println("Couldn't access class " + args[0]);
	}
	
	t.runTest(args);
    }   
    	
}