package simpledb.unittest;

import simpledb.*;

import org.junit.After;
import org.junit.Before;
import org.junit.Test;
import static org.junit.Assert.assertEquals;
import junit.framework.JUnit4TestAdapter;

public class TupleTest {

    /**
     * Unit test for Tuple.getField() and Tuple.setField()
     */
    @Test public void modifyFields() {
	TupleDesc td = Utility.getTupleDesc(2);

	Tuple tup = new Tuple(td);
	tup.setField(0, new IntField(new Integer(-1)));
	tup.setField(1, new IntField(new Integer(0)));

	assertEquals(new IntField(new Integer(-1)), tup.getField(0));
	assertEquals(new IntField(new Integer(0)), tup.getField(1));

	tup.setField(0, new IntField(new Integer(1)));
	tup.setField(1, new IntField(new Integer(37)));

	assertEquals(new IntField(new Integer(1)), tup.getField(0));
	assertEquals(new IntField(new Integer(37)), tup.getField(1));
    }

    /**
     * Unit test for Tuple.getTupleDesc()
     */
    @Test public void getTupleDesc() {
	TupleDesc td = Utility.getTupleDesc(5);
	Tuple tup = new Tuple(td);
	assertEquals(td, tup.getTupleDesc());
    }

    /**
     * Unit test for Tuple.getRecordID() and Tuple.setRecordID()
     */
    @Test public void modifyRecordID() {
	Tuple tup1 = new Tuple(Utility.getTupleDesc(1));
	HeapPageId pid1 = new HeapPageId(0,0);
	RecordID rid1 = new RecordID(pid1, 0);
	tup1.setRecordID(rid1);
	assertEquals(rid1, tup1.getRecordID());

    }
    
    /**
     * JUnit suite target
     */
    public static junit.framework.Test suite() {
	return new JUnit4TestAdapter(TupleTest.class);
    }
}