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package org.apache.commons.collections;

import java.io.*;
import java.util.*;

import junit.framework.*;
/**
 * TestPredicateSet tests the PredicateSet class.
 * 
 * @author Stephen Colebourne
 */
public class TestPredicateSet 
		extends TestCase {
		    
	Collection iColl = null;
	Set iSet = null;
	Collection iBadColl = null;
	Predicate iPredicate = null;
    
	public static void main(String[] args) {
		junit.textui.TestRunner.run(suite());
	}
	public static TestSuite suite() {
		return new TestSuite(TestPredicateSet.class);
	}
	public TestPredicateSet(String name) {
		super(name);
	}
	public void setUp() {
	    // the contents of these two must be the same
	    iColl = new ArrayList();
	    iColl.add(new Integer(2));
	    iColl.add(new Long(5));
	    iColl.add(new Integer(7));
	    iSet = new HashSet();
	    iSet.add(new Integer(2));
	    iSet.add(new Long(5));
	    iSet.add(new Integer(7));
	    // bad collection
	    iBadColl = new ArrayList();
	    iBadColl.add(new Integer(2));
	    iBadColl.add(new Object());
	    iBadColl.add(new Integer(7));
	    
	    iPredicate = PredicateUtils.instanceofPredicate(Number.class);
	}
	public void tearDown() {
	}

	public void testConstructorNormal() {
	    Set set = PredicateUtils.predicateSet(iSet, iPredicate);
	    assertNotNull(set);
	    assertEquals(3, set.size());
	    assertTrue(set.containsAll(iColl));
	}	
	public void testConstructorNullNormal() {
	    try {
		    Set set = PredicateUtils.predicateSet(null, iPredicate);
	    } catch (IllegalArgumentException ex) {
	        return;
	    }
	    fail();
	}	
	public void testConstructorNormalNull() {
	    try {
		    Set set = PredicateUtils.predicateSet(iSet, null);
	    } catch (IllegalArgumentException ex) {
	        return;
	    }
	    fail();
	}	
	public void testConstructorNullNull() {
	    try {
		    Set set = PredicateUtils.predicateSet(null, null);
	    } catch (IllegalArgumentException ex) {
	        return;
	    }
	    fail();
	}	
	
	public void testAdd1Normal() {
	    Set set = PredicateUtils.predicateSet(new HashSet(), iPredicate);
	    set.add(new Integer(6));
	    assertTrue(set.contains(new Integer(6)));
	    assertEquals(1, set.size());
	}	
	public void testAdd1Validation() {
	    Set set = PredicateUtils.predicateSet(new HashSet(), iPredicate);
	    try {
		    set.add(new Object());
	    } catch (IllegalArgumentException ex) {
	        return;
	    }
	    fail();
	}	

	public void testAddColl1Normal() {
	    Set set = PredicateUtils.predicateSet(new HashSet(), iPredicate);
	    set.addAll(iColl);
	    assertTrue(set.containsAll(iSet));
	    assertEquals(3, set.size());
	}	
	public void testAddColl1Validation() {
	    Set set = PredicateUtils.predicateSet(new HashSet(), iPredicate);
	    try {
		    set.addAll(iBadColl);
	    } catch (IllegalArgumentException ex) {
	        return;
	    }
	    fail();
	}	
}