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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 TestPredicateMap 
		extends TestCase {
		    
	Map iMap1 = null;
	Map iMap2 = null;
	Map iBadMap = null;
	Predicate iValuePredicate = null;
	Predicate iKeyPredicate = null;
    
	public static void main(String[] args) {
		junit.textui.TestRunner.run(suite());
	}
	public static TestSuite suite() {
		return new TestSuite(TestPredicateMap.class);
	}
	public TestPredicateMap(String name) {
		super(name);
	}
	public void setUp() {
	    // the contents of these two must be the same
	    iMap1 = new HashMap();
	    iMap1.put("Two", new Integer(2));
	    iMap1.put("Five", new Long(5));
	    iMap1.put("Seven", new Integer(7));
	    iMap2 = new HashMap();
	    iMap2.put("Two", new Integer(2));
	    iMap2.put("Five", new Long(5));
	    iMap2.put("Seven", new Integer(7));
	    // bad collection
	    iBadMap = new HashMap();
	    iBadMap.put("Two", new Integer(2));
	    iBadMap.put("Object", new Object());
	    iBadMap.put("Seven", new Integer(7));
	    
	    iKeyPredicate = PredicateUtils.instanceofPredicate(String.class);
	    iValuePredicate = PredicateUtils.instanceofPredicate(Number.class);
	}
	public void tearDown() {
	}

	public void testConstructorNormal() {
	    Map map = PredicateUtils.predicateMap(iMap1, iKeyPredicate, iValuePredicate);
	    assertNotNull(map);
	    assertEquals(3, map.size());
	    assertTrue(map.equals(iMap2));
	}	
	public void testConstructorNullNormalNormal() {
	    try {
		    Map map = PredicateUtils.predicateMap(null, iKeyPredicate, iValuePredicate);
	    } catch (IllegalArgumentException ex) {
	        return;
	    }
	    fail();
	}	
	public void testConstructorNormalNullNormal() {
	    try {
		    Map map = PredicateUtils.predicateMap(iMap1, null, iValuePredicate);
	    } catch (IllegalArgumentException ex) {
	        return;
	    }
	    fail();
	}	
	public void testConstructorNormalNormalNull() {
	    try {
		    Map map = PredicateUtils.predicateMap(iMap1, iKeyPredicate, null);
	    } catch (IllegalArgumentException ex) {
	        return;
	    }
	    fail();
	}	
	
	public void testPutNormal() {
	    Map map = PredicateUtils.predicateMap(new HashMap(), iKeyPredicate, iValuePredicate);
	    map.put("Six", new Integer(6));
	    assertTrue(map.containsKey("Six"));
	    assertTrue(map.containsValue(new Integer(6)));
	    assertEquals(1, map.size());
	}	
	public void testPutValueValidation() {
	    Map map = PredicateUtils.predicateMap(new HashMap(), iKeyPredicate, iValuePredicate);
	    try {
		    map.put("Object", new Object());
	    } catch (IllegalArgumentException ex) {
	        return;
	    }
	    fail();
	}	

	public void testAddCollNormal() {
	    Map map = PredicateUtils.predicateMap(new HashMap(), iKeyPredicate, iValuePredicate);
	    map.putAll(iMap2);
	    assertTrue(map.equals(iMap2));
	    assertEquals(3, map.size());
	}	
	public void testAddCollValidation() {
	    Map map = PredicateUtils.predicateMap(new HashMap(), iKeyPredicate, iValuePredicate);
	    try {
		    map.putAll(iBadMap);
	    } catch (IllegalArgumentException ex) {
	        return;
	    }
	    fail();
	}	
	public void testEntrySetValidation() {
	    Map map = PredicateUtils.predicateMap(iMap1, iKeyPredicate, iValuePredicate);
	    Map.Entry entry = (Map.Entry) map.entrySet().iterator().next();
	    try {
	        entry.setValue(new Object());
	    } catch (IllegalArgumentException ex) {
	        return;
	    }
	    fail();
	}	
}