test/tck/CopyOnWriteArrayListTest.java

/*
 * Written by members of JCP JSR-166 Expert Group and released to the
 * public domain. Use, modify, and redistribute this code in any way
 * without acknowledgement. Other contributors include Andrew Wright,
 * Jeffrey Hayes, Pat Fischer, Mike Judd.
 */

import junit.framework.*;
import java.util.*;
import java.util.concurrent.*;

public class CopyOnWriteArrayListTest extends TestCase{
    
    public static void main(String[] args) {
        junit.textui.TestRunner.run (suite());  
    }

    public static Test suite() {
        return new TestSuite(CopyOnWriteArrayListTest.class);
    }

    static CopyOnWriteArrayList fullArray(int n){
        CopyOnWriteArrayList a = new CopyOnWriteArrayList();
        assertTrue(a.isEmpty());
        for (int i = 0; i < n; ++i) 
            a.add(new Integer(i));
        assertFalse(a.isEmpty());
        assertEquals(n, a.size());
        return a;
    }

    /**
     *  Test to verify addAll correctly adds each element from the given collection
     */
    public void testAddAll(){
        CopyOnWriteArrayList full = fullArray(3);
        Vector v = new Vector();
        v.add(new Integer(3));
        v.add(new Integer(4));
        v.add(new Integer(5));
        full.addAll(v);
        assertEquals(6, full.size());
    }

    /**
     *  Test to verify addAllAbsent adds each element from the given collection that did not
     *  already exist in the List
     */
    public void testAddAllAbsent(){
        CopyOnWriteArrayList full = fullArray(3);
        Vector v = new Vector();
        v.add(new Integer(3));
        v.add(new Integer(4));
        v.add(new Integer(1)); // will not add this element
        full.addAllAbsent(v);
        assertEquals(5, full.size());
    }

    /**
     *  Test to verify addIfAbsent will not add the element if it already exists in the list
     */
    public void testAddIfAbsent(){
        CopyOnWriteArrayList full = fullArray(3);
        full.addIfAbsent(new Integer(1));
        assertEquals(3, full.size());
    }

    /**
     *  test to verify addIfAbsent correctly adds the element when it does not exist in the list
     */
    public void testAddIfAbsent2(){
        CopyOnWriteArrayList full = fullArray(3);
        full.addIfAbsent(new Integer(3));
        assertTrue(full.contains(new Integer(3)));
    }

    /**
     *  Test to verify clear correctly removes all elements from the list
     */
    public void testClear(){
        CopyOnWriteArrayList full = fullArray(3);
        full.clear();
        assertEquals(0, full.size());
    }

    /**
     *  Test to verify contains returns the correct values 
     */
    public void testContains(){
        CopyOnWriteArrayList full = fullArray(3);
        assertTrue(full.contains(new Integer(1)));
        assertFalse(full.contains(new Integer(5)));
    }

    public void testAddIndex() {
        CopyOnWriteArrayList full = fullArray(3);
        full.add(0, new Integer(-1));
        assertEquals(4, full.size());
        assertEquals(new Integer(-1), full.get(0));
        assertEquals(new Integer(0), full.get(1));

        full.add(2, new Integer(-2));
        assertEquals(5, full.size());
        assertEquals(new Integer(-2), full.get(2));
        assertEquals(new Integer(2), full.get(4));
    }

    public void testEquals() {
        CopyOnWriteArrayList a = fullArray(3);
        CopyOnWriteArrayList b = fullArray(3);
        assertTrue(a.equals(b));
        assertTrue(b.equals(a));
        assertEquals(a.hashCode(), b.hashCode());
        a.add(new Integer(-1));
        assertFalse(a.equals(b));
        assertFalse(b.equals(a));
        b.add(new Integer(-1));
        assertTrue(a.equals(b));
        assertTrue(b.equals(a));
        assertEquals(a.hashCode(), b.hashCode());
    }

    
    /**
     *  Test to verify containsAll returns the correct values
     */
    public void testContainsAll(){
        CopyOnWriteArrayList full = fullArray(3);
        Vector v = new Vector();
        v.add(new Integer(1));
        v.add(new Integer(2));
        assertTrue(full.containsAll(v));
        v.add(new Integer(6));
        assertFalse(full.containsAll(v));
    }

    /**
     *  Test to verify get returns the correct value for the given index
     */
    public void testGet(){
        CopyOnWriteArrayList full = fullArray(3);
        assertEquals(0, ((Integer)full.get(0)).intValue());
    }

    /**
     *  Test to verify indexOf gives the correct index for the given object
     */
    public void testIndexOf(){
        CopyOnWriteArrayList full = fullArray(3);
        assertEquals(1, full.indexOf(new Integer(1)));
        assertEquals(-1, full.indexOf("puppies"));
    }

    /**
     *  Test to verify indexOf gives the correct index based on the given index
     *  at which to start searching
     */
    public void testIndexOf2(){
        CopyOnWriteArrayList full = fullArray(3);
        assertEquals(1, full.indexOf(new Integer(1), 0));
        assertEquals(-1, full.indexOf(new Integer(1), 2));
    }

    /**
     *  Test to verify isEmpty returns the correct values
     */
    public void testIsEmpty(){
        CopyOnWriteArrayList empty = new CopyOnWriteArrayList();
        CopyOnWriteArrayList full = fullArray(3);
        assertTrue(empty.isEmpty());
        assertFalse(full.isEmpty());
    }

    /**
     *  Test to verify iterator() returns an iterator containing the elements of the list 
     */
    public void testIterator(){
        CopyOnWriteArrayList full = fullArray(3);
        Iterator i = full.iterator();
        int j;
        for(j = 0; i.hasNext(); j++)
            assertEquals(j, ((Integer)i.next()).intValue());
        assertEquals(3, j);
    }

    public void testIteratorRemove () {
        CopyOnWriteArrayList full = fullArray(3);
        Iterator it = full.iterator();
        it.next();
        try {
            it.remove();
            fail("should throw");
        }
        catch (UnsupportedOperationException success) {}
    }

    public void testToString(){
        CopyOnWriteArrayList full = fullArray(3);
        String s = full.toString();
        for (int i = 0; i < 3; ++i) {
            assertTrue(s.indexOf(String.valueOf(i)) >= 0);
        }
    }        

    /**
     *  Test to verify lastIndexOf returns the correct index for the given object
     */
    public void testLastIndexOf1(){
        CopyOnWriteArrayList full = fullArray(3);
        full.add(new Integer(1));
        full.add(new Integer(3));
        assertEquals(3, full.lastIndexOf(new Integer(1)));
        assertEquals(-1, full.lastIndexOf(new Integer(6)));
    }

    /**
     *  Test to verify lastIndexOf returns the correct index from the given starting point
     */
    public void testlastIndexOf2(){
        CopyOnWriteArrayList full = fullArray(3);
        full.add(new Integer(1));
        full.add(new Integer(3));
        assertEquals(3, full.lastIndexOf(new Integer(1), 4));
        assertEquals(-1, full.lastIndexOf(new Integer(3), 3));
    }

    /**
     *  Identical to testIterator, except ListInterator has more functionality
     */
    public void testListIterator1(){
        CopyOnWriteArrayList full = fullArray(3);
        ListIterator i = full.listIterator();
        int j;
        for(j = 0; i.hasNext(); j++)
            assertEquals(j, ((Integer)i.next()).intValue());
        assertEquals(3, j);
    }

    /**
     *  Identical to testIterator and testListIterator1, but only returns those elements
     *  after the given index
     */
    public void testListIterator2(){
        CopyOnWriteArrayList full = fullArray(3);
        ListIterator i = full.listIterator(1);
        int j;
        for(j = 0; i.hasNext(); j++)
            assertEquals(j+1, ((Integer)i.next()).intValue());
        assertEquals(2, j);
    }

    /**
     *  Test to verify remove correctly removes and returns the object at the given index
     */
    public void testRemove(){
        CopyOnWriteArrayList full = fullArray(3);
        assertEquals(new Integer(2), full.remove(2));
        assertEquals(2, full.size());
    }

    /**
     *  Test to verify removeAll correctly removes all elements from the given collection
     */
    public void testRemoveAll(){
        CopyOnWriteArrayList full = fullArray(3);
        Vector v = new Vector();
        v.add(new Integer(1));
        v.add(new Integer(2));
        full.removeAll(v);
        assertEquals(1, full.size());
    }

    /**
     *  Test to verify set correctly changes the element at the given index
     */
    public void testSet(){
        CopyOnWriteArrayList full = fullArray(3);
        assertEquals(new Integer(2), full.set(2, new Integer(4)));
        assertEquals(4, ((Integer)full.get(2)).intValue());
    }

    /**
     *  Test to verify size returns the correct values
     */
    public void testSize(){
        CopyOnWriteArrayList empty = new CopyOnWriteArrayList();
        CopyOnWriteArrayList full = fullArray(3);
        assertEquals(3, full.size());
        assertEquals(0, empty.size());
    }

    /**
     *  Test to verify toArray returns an Object array containing all elements from the list
     */
    public void testToArray(){
        CopyOnWriteArrayList full = fullArray(3);
        Object[] o = full.toArray();
        assertEquals(3, o.length);
        assertEquals(0, ((Integer)o[0]).intValue());
        assertEquals(1, ((Integer)o[1]).intValue());
        assertEquals(2, ((Integer)o[2]).intValue());
    }

    /**
     *  test to verify toArray returns an Integer array containing all elements from the list
     */
    public void testToArray2(){
        CopyOnWriteArrayList full = fullArray(3);
        Integer[] i = new Integer[3];
        i = (Integer[])full.toArray(i);
        assertEquals(3, i.length);
        assertEquals(0, i[0].intValue());
        assertEquals(1, i[1].intValue());
        assertEquals(2, i[2].intValue());
    }


    public void testSubList() {
        CopyOnWriteArrayList a = fullArray(10);
        assertTrue(a.subList(1,1).isEmpty());
        for(int j = 0; j < 9; ++j) {
            for(int i = j ; i < 10; ++i) {
                List b = a.subList(j,i);
                for(int k = j; k < i; ++k) {
                    assertEquals(new Integer(k), b.get(k-j));
                }
            }
        }

        Integer m1 = new Integer(-1);
        List s = a.subList(2, 5);
        assertEquals(s.size(), 3);
        s.set(2, new Integer(m1));
        assertEquals(a.get(4), m1);
        s.clear();
        assertEquals(a.size(), 7);
    }

    // Exception tests

    /**
     *  Test to verify toArray throws an ArrayStoreException when the given array
     *  can not store the objects inside the list
     */
    public void testToArray_ArrayStoreException(){
        try{
            CopyOnWriteArrayList c = new CopyOnWriteArrayList();
            c.add("zfasdfsdf");
            c.add("asdadasd");
            c.toArray(new Long[5]);
            fail("Object[] toArray(Object[]) should throw ArrayStoreException");
        }catch(ArrayStoreException e){}
    }

    /**
     *  Test to verify get throws an IndexOutOfBoundsException on a negative index
     */
    public void testGet1_IndexOutOfBoundsException(){
        try{
            CopyOnWriteArrayList c = new CopyOnWriteArrayList();
            c.get(-1);
            fail("Object get(int) should throw IndexOutOfBounds exception");
        }catch(IndexOutOfBoundsException e){}
    }
    
    /**
     *  Test to verify get throws an IndexOutOfBoundsException on a too high index
     */
    public void testGet2_IndexOutOfBoundsException(){
        try{
            CopyOnWriteArrayList c = new CopyOnWriteArrayList();
            c.add("asdasd");
            c.add("asdad");
            c.get(100);
            fail("Object get(int) should throw IndexOutOfBounds exception");
        }catch(IndexOutOfBoundsException e){}
    }

    /**
     *  Test to verify set throws an IndexOutOfBoundsException on a negative index
     */
    public void testSet1_IndexOutOfBoundsException(){
        try{
            CopyOnWriteArrayList c = new CopyOnWriteArrayList();
            c.set(-1,"qwerty");
            fail("Object get(int, Object) should throw IndexOutOfBounds exception");
        }catch(IndexOutOfBoundsException e){}
    }
    
    /**
     *  Test to verify set throws an IndexOutOfBoundsException on a too high index
     */
    public void testSet2(){
        try{
            CopyOnWriteArrayList c = new CopyOnWriteArrayList();
            c.add("asdasd");
            c.add("asdad");
            c.set(100, "qwerty");
            fail("Object set(int, Object) should throw IndexOutOfBounds exception");
        }catch(IndexOutOfBoundsException e){}
    }

    /**
     *  Test to verify add throws an IndexOutOfBoundsException on a negative index
     */
    public void testAdd1_IndexOutOfBoundsException(){
        try{
            CopyOnWriteArrayList c = new CopyOnWriteArrayList();
            c.add(-1,"qwerty");
            fail("void add(int, Object) should throw IndexOutOfBounds exception");
        }catch(IndexOutOfBoundsException e){}
    }
    
    /**
     *  Test to verify add throws an IndexOutOfBoundsException on a too high index
     */
    public void testAdd2_IndexOutOfBoundsException(){
        try{
            CopyOnWriteArrayList c = new CopyOnWriteArrayList();
            c.add("asdasd");
            c.add("asdasdasd");
            c.add(100, "qwerty");
            fail("void add(int, Object) should throw IndexOutOfBounds exception");
        }catch(IndexOutOfBoundsException e){}
    }

    /**
     *  Test to verify remove throws an IndexOutOfBoundsException on a negative index
     */
    public void testRemove1_IndexOutOfBounds(){
        try{
            CopyOnWriteArrayList c = new CopyOnWriteArrayList();
            c.remove(-1);
            fail("Object remove(int) should throw IndexOutOfBounds exception");
        }catch(IndexOutOfBoundsException e){}
    }

    /**
     *  Test to verify remove throws an IndexOutOfBoundsException on a too high index
     */
    public void testRemove2_IndexOutOfBounds(){
        try{
            CopyOnWriteArrayList c = new CopyOnWriteArrayList();
            c.add("asdasd");
            c.add("adasdasd");
            c.remove(100);
            fail("Object remove(int) should throw IndexOutOfBounds exception");
        }catch(IndexOutOfBoundsException e){}
    }
    
    /**
     *  Test to verify addAll throws an IndexOutOfBoundsException on a negative index
     */
    public void testAddAll1_IndexOutOfBoundsException(){
        try{
            CopyOnWriteArrayList c = new CopyOnWriteArrayList();
            c.addAll(-1,new LinkedList());
            fail("boolean add(int, Collection) should throw IndexOutOfBounds exception");
        }catch(IndexOutOfBoundsException e){}
    }
    
    /**
     *  Test to verify addAll throws an IndexOutOfBoundsException on a too high index
     */
    public void testAddAll2_IndexOutOfBoundsException(){
        try{
            CopyOnWriteArrayList c = new CopyOnWriteArrayList();
            c.add("asdasd");
            c.add("asdasdasd");
            c.addAll(100, new LinkedList());
            fail("boolean addAll(int, Collection) should throw IndexOutOfBounds exception");
        }catch(IndexOutOfBoundsException e){}
    }

    /**
     *  Test to verify listIterator throws an IndexOutOfBoundsException on a negative index
     */
    public void testListIterator1_IndexOutOfBoundsException(){
        try{
            CopyOnWriteArrayList c = new CopyOnWriteArrayList();
            c.listIterator(-1);
            fail("ListIterator listIterator(int) should throw IndexOutOfBounds exceptione");
        }catch(IndexOutOfBoundsException e){}
    }

    /**
     *  Test to verify listIterator throws an IndexOutOfBoundsException on a too high index
     */
    public void testListIterator2_IndexOutOfBoundsException(){
        try{
            CopyOnWriteArrayList c = new CopyOnWriteArrayList();
            c.add("adasd");
            c.add("asdasdas");
            c.listIterator(100);
            fail("ListIterator listIterator(int) should throw IndexOutOfBounds exception");
        }catch(IndexOutOfBoundsException e){}
    }

    /**
     *  Test to verify subList throws an IndexOutOfBoundsException on a negative index
     */
    public void testSubList1_IndexOutOfBoundsException(){
        try{
            CopyOnWriteArrayList c = new CopyOnWriteArrayList();
            c.subList(-1,100);

            fail("List subList(int, int) should throw IndexOutofBounds exception");
        }catch(IndexOutOfBoundsException e){}
    }

    /**
     *  Test to verify subList throws an IndexOutOfBoundsException on a too high index
     */
    public void testSubList2_IndexOutOfBoundsException(){
        try{
            CopyOnWriteArrayList c = new CopyOnWriteArrayList();
            c.add("asdasd");
            c.subList(1,100);
            fail("List subList(int, int) should throw IndexOutofBounds exception");
        }catch(IndexOutOfBoundsException e){}
    }

    /**
     *  Test to verify subList throws IndexOutOfBoundsException when the second index
     *  is lower then the first 
     */
    public void testSubList3_IndexOutOfBoundsException(){
        try{
            CopyOnWriteArrayList c = new CopyOnWriteArrayList();
            c.subList(3,1);

            fail("List subList(int, int) should throw IndexOutofBounds exception");
        }catch(IndexOutOfBoundsException e){}
    }
    
}
Revision:	1.1
Committed:	Sun Aug 31 19:24:54 2003 UTC (20 years, 8 months ago) by dl
Branch:	MAIN
Log Message:	First check-in of tests to be in tck
#	User	Rev	Content
1	dl	1.1	/*
2			* Written by members of JCP JSR-166 Expert Group and released to the
3			* public domain. Use, modify, and redistribute this code in any way
4			* without acknowledgement. Other contributors include Andrew Wright,
5			* Jeffrey Hayes, Pat Fischer, Mike Judd.
6			*/
7
8			import junit.framework.*;
9			import java.util.*;
10			import java.util.concurrent.*;
11
12			public class CopyOnWriteArrayListTest extends TestCase{
13
14			public static void main(String[] args) {
15			junit.textui.TestRunner.run (suite());
16			}
17
18			public static Test suite() {
19			return new TestSuite(CopyOnWriteArrayListTest.class);
20			}
21
22			static CopyOnWriteArrayList fullArray(int n){
23			CopyOnWriteArrayList a = new CopyOnWriteArrayList();
24			assertTrue(a.isEmpty());
25			for (int i = 0; i < n; ++i)
26			a.add(new Integer(i));
27			assertFalse(a.isEmpty());
28			assertEquals(n, a.size());
29			return a;
30			}
31
32			/**
33			* Test to verify addAll correctly adds each element from the given collection
34			*/
35			public void testAddAll(){
36			CopyOnWriteArrayList full = fullArray(3);
37			Vector v = new Vector();
38			v.add(new Integer(3));
39			v.add(new Integer(4));
40			v.add(new Integer(5));
41			full.addAll(v);
42			assertEquals(6, full.size());
43			}
44
45			/**
46			* Test to verify addAllAbsent adds each element from the given collection that did not
47			* already exist in the List
48			*/
49			public void testAddAllAbsent(){
50			CopyOnWriteArrayList full = fullArray(3);
51			Vector v = new Vector();
52			v.add(new Integer(3));
53			v.add(new Integer(4));
54			v.add(new Integer(1)); // will not add this element
55			full.addAllAbsent(v);
56			assertEquals(5, full.size());
57			}
58
59			/**
60			* Test to verify addIfAbsent will not add the element if it already exists in the list
61			*/
62			public void testAddIfAbsent(){
63			CopyOnWriteArrayList full = fullArray(3);
64			full.addIfAbsent(new Integer(1));
65			assertEquals(3, full.size());
66			}
67
68			/**
69			* test to verify addIfAbsent correctly adds the element when it does not exist in the list
70			*/
71			public void testAddIfAbsent2(){
72			CopyOnWriteArrayList full = fullArray(3);
73			full.addIfAbsent(new Integer(3));
74			assertTrue(full.contains(new Integer(3)));
75			}
76
77			/**
78			* Test to verify clear correctly removes all elements from the list
79			*/
80			public void testClear(){
81			CopyOnWriteArrayList full = fullArray(3);
82			full.clear();
83			assertEquals(0, full.size());
84			}
85
86			/**
87			* Test to verify contains returns the correct values
88			*/
89			public void testContains(){
90			CopyOnWriteArrayList full = fullArray(3);
91			assertTrue(full.contains(new Integer(1)));
92			assertFalse(full.contains(new Integer(5)));
93			}
94
95			public void testAddIndex() {
96			CopyOnWriteArrayList full = fullArray(3);
97			full.add(0, new Integer(-1));
98			assertEquals(4, full.size());
99			assertEquals(new Integer(-1), full.get(0));
100			assertEquals(new Integer(0), full.get(1));
101
102			full.add(2, new Integer(-2));
103			assertEquals(5, full.size());
104			assertEquals(new Integer(-2), full.get(2));
105			assertEquals(new Integer(2), full.get(4));
106			}
107
108			public void testEquals() {
109			CopyOnWriteArrayList a = fullArray(3);
110			CopyOnWriteArrayList b = fullArray(3);
111			assertTrue(a.equals(b));
112			assertTrue(b.equals(a));
113			assertEquals(a.hashCode(), b.hashCode());
114			a.add(new Integer(-1));
115			assertFalse(a.equals(b));
116			assertFalse(b.equals(a));
117			b.add(new Integer(-1));
118			assertTrue(a.equals(b));
119			assertTrue(b.equals(a));
120			assertEquals(a.hashCode(), b.hashCode());
121			}
122
123
124			/**
125			* Test to verify containsAll returns the correct values
126			*/
127			public void testContainsAll(){
128			CopyOnWriteArrayList full = fullArray(3);
129			Vector v = new Vector();
130			v.add(new Integer(1));
131			v.add(new Integer(2));
132			assertTrue(full.containsAll(v));
133			v.add(new Integer(6));
134			assertFalse(full.containsAll(v));
135			}
136
137			/**
138			* Test to verify get returns the correct value for the given index
139			*/
140			public void testGet(){
141			CopyOnWriteArrayList full = fullArray(3);
142			assertEquals(0, ((Integer)full.get(0)).intValue());
143			}
144
145			/**
146			* Test to verify indexOf gives the correct index for the given object
147			*/
148			public void testIndexOf(){
149			CopyOnWriteArrayList full = fullArray(3);
150			assertEquals(1, full.indexOf(new Integer(1)));
151			assertEquals(-1, full.indexOf("puppies"));
152			}
153
154			/**
155			* Test to verify indexOf gives the correct index based on the given index
156			* at which to start searching
157			*/
158			public void testIndexOf2(){
159			CopyOnWriteArrayList full = fullArray(3);
160			assertEquals(1, full.indexOf(new Integer(1), 0));
161			assertEquals(-1, full.indexOf(new Integer(1), 2));
162			}
163
164			/**
165			* Test to verify isEmpty returns the correct values
166			*/
167			public void testIsEmpty(){
168			CopyOnWriteArrayList empty = new CopyOnWriteArrayList();
169			CopyOnWriteArrayList full = fullArray(3);
170			assertTrue(empty.isEmpty());
171			assertFalse(full.isEmpty());
172			}
173
174			/**
175			* Test to verify iterator() returns an iterator containing the elements of the list
176			*/
177			public void testIterator(){
178			CopyOnWriteArrayList full = fullArray(3);
179			Iterator i = full.iterator();
180			int j;
181			for(j = 0; i.hasNext(); j++)
182			assertEquals(j, ((Integer)i.next()).intValue());
183			assertEquals(3, j);
184			}
185
186			public void testIteratorRemove () {
187			CopyOnWriteArrayList full = fullArray(3);
188			Iterator it = full.iterator();
189			it.next();
190			try {
191			it.remove();
192			fail("should throw");
193			}
194			catch (UnsupportedOperationException success) {}
195			}
196
197			public void testToString(){
198			CopyOnWriteArrayList full = fullArray(3);
199			String s = full.toString();
200			for (int i = 0; i < 3; ++i) {
201			assertTrue(s.indexOf(String.valueOf(i)) >= 0);
202			}
203			}
204
205			/**
206			* Test to verify lastIndexOf returns the correct index for the given object
207			*/
208			public void testLastIndexOf1(){
209			CopyOnWriteArrayList full = fullArray(3);
210			full.add(new Integer(1));
211			full.add(new Integer(3));
212			assertEquals(3, full.lastIndexOf(new Integer(1)));
213			assertEquals(-1, full.lastIndexOf(new Integer(6)));
214			}
215
216			/**
217			* Test to verify lastIndexOf returns the correct index from the given starting point
218			*/
219			public void testlastIndexOf2(){
220			CopyOnWriteArrayList full = fullArray(3);
221			full.add(new Integer(1));
222			full.add(new Integer(3));
223			assertEquals(3, full.lastIndexOf(new Integer(1), 4));
224			assertEquals(-1, full.lastIndexOf(new Integer(3), 3));
225			}
226
227			/**
228			* Identical to testIterator, except ListInterator has more functionality
229			*/
230			public void testListIterator1(){
231			CopyOnWriteArrayList full = fullArray(3);
232			ListIterator i = full.listIterator();
233			int j;
234			for(j = 0; i.hasNext(); j++)
235			assertEquals(j, ((Integer)i.next()).intValue());
236			assertEquals(3, j);
237			}
238
239			/**
240			* Identical to testIterator and testListIterator1, but only returns those elements
241			* after the given index
242			*/
243			public void testListIterator2(){
244			CopyOnWriteArrayList full = fullArray(3);
245			ListIterator i = full.listIterator(1);
246			int j;
247			for(j = 0; i.hasNext(); j++)
248			assertEquals(j+1, ((Integer)i.next()).intValue());
249			assertEquals(2, j);
250			}
251
252			/**
253			* Test to verify remove correctly removes and returns the object at the given index
254			*/
255			public void testRemove(){
256			CopyOnWriteArrayList full = fullArray(3);
257			assertEquals(new Integer(2), full.remove(2));
258			assertEquals(2, full.size());
259			}
260
261			/**
262			* Test to verify removeAll correctly removes all elements from the given collection
263			*/
264			public void testRemoveAll(){
265			CopyOnWriteArrayList full = fullArray(3);
266			Vector v = new Vector();
267			v.add(new Integer(1));
268			v.add(new Integer(2));
269			full.removeAll(v);
270			assertEquals(1, full.size());
271			}
272
273			/**
274			* Test to verify set correctly changes the element at the given index
275			*/
276			public void testSet(){
277			CopyOnWriteArrayList full = fullArray(3);
278			assertEquals(new Integer(2), full.set(2, new Integer(4)));
279			assertEquals(4, ((Integer)full.get(2)).intValue());
280			}
281
282			/**
283			* Test to verify size returns the correct values
284			*/
285			public void testSize(){
286			CopyOnWriteArrayList empty = new CopyOnWriteArrayList();
287			CopyOnWriteArrayList full = fullArray(3);
288			assertEquals(3, full.size());
289			assertEquals(0, empty.size());
290			}
291
292			/**
293			* Test to verify toArray returns an Object array containing all elements from the list
294			*/
295			public void testToArray(){
296			CopyOnWriteArrayList full = fullArray(3);
297			Object[] o = full.toArray();
298			assertEquals(3, o.length);
299			assertEquals(0, ((Integer)o[0]).intValue());
300			assertEquals(1, ((Integer)o[1]).intValue());
301			assertEquals(2, ((Integer)o[2]).intValue());
302			}
303
304			/**
305			* test to verify toArray returns an Integer array containing all elements from the list
306			*/
307			public void testToArray2(){
308			CopyOnWriteArrayList full = fullArray(3);
309			Integer[] i = new Integer[3];
310			i = (Integer[])full.toArray(i);
311			assertEquals(3, i.length);
312			assertEquals(0, i[0].intValue());
313			assertEquals(1, i[1].intValue());
314			assertEquals(2, i[2].intValue());
315			}
316
317
318			public void testSubList() {
319			CopyOnWriteArrayList a = fullArray(10);
320			assertTrue(a.subList(1,1).isEmpty());
321			for(int j = 0; j < 9; ++j) {
322			for(int i = j ; i < 10; ++i) {
323			List b = a.subList(j,i);
324			for(int k = j; k < i; ++k) {
325			assertEquals(new Integer(k), b.get(k-j));
326			}
327			}
328			}
329
330			Integer m1 = new Integer(-1);
331			List s = a.subList(2, 5);
332			assertEquals(s.size(), 3);
333			s.set(2, new Integer(m1));
334			assertEquals(a.get(4), m1);
335			s.clear();
336			assertEquals(a.size(), 7);
337			}
338
339			// Exception tests
340
341			/**
342			* Test to verify toArray throws an ArrayStoreException when the given array
343			* can not store the objects inside the list
344			*/
345			public void testToArray_ArrayStoreException(){
346			try{
347			CopyOnWriteArrayList c = new CopyOnWriteArrayList();
348			c.add("zfasdfsdf");
349			c.add("asdadasd");
350			c.toArray(new Long[5]);
351			fail("Object[] toArray(Object[]) should throw ArrayStoreException");
352			}catch(ArrayStoreException e){}
353			}
354
355			/**
356			* Test to verify get throws an IndexOutOfBoundsException on a negative index
357			*/
358			public void testGet1_IndexOutOfBoundsException(){
359			try{
360			CopyOnWriteArrayList c = new CopyOnWriteArrayList();
361			c.get(-1);
362			fail("Object get(int) should throw IndexOutOfBounds exception");
363			}catch(IndexOutOfBoundsException e){}
364			}
365
366			/**
367			* Test to verify get throws an IndexOutOfBoundsException on a too high index
368			*/
369			public void testGet2_IndexOutOfBoundsException(){
370			try{
371			CopyOnWriteArrayList c = new CopyOnWriteArrayList();
372			c.add("asdasd");
373			c.add("asdad");
374			c.get(100);
375			fail("Object get(int) should throw IndexOutOfBounds exception");
376			}catch(IndexOutOfBoundsException e){}
377			}
378
379			/**
380			* Test to verify set throws an IndexOutOfBoundsException on a negative index
381			*/
382			public void testSet1_IndexOutOfBoundsException(){
383			try{
384			CopyOnWriteArrayList c = new CopyOnWriteArrayList();
385			c.set(-1,"qwerty");
386			fail("Object get(int, Object) should throw IndexOutOfBounds exception");
387			}catch(IndexOutOfBoundsException e){}
388			}
389
390			/**
391			* Test to verify set throws an IndexOutOfBoundsException on a too high index
392			*/
393			public void testSet2(){
394			try{
395			CopyOnWriteArrayList c = new CopyOnWriteArrayList();
396			c.add("asdasd");
397			c.add("asdad");
398			c.set(100, "qwerty");
399			fail("Object set(int, Object) should throw IndexOutOfBounds exception");
400			}catch(IndexOutOfBoundsException e){}
401			}
402
403			/**
404			* Test to verify add throws an IndexOutOfBoundsException on a negative index
405			*/
406			public void testAdd1_IndexOutOfBoundsException(){
407			try{
408			CopyOnWriteArrayList c = new CopyOnWriteArrayList();
409			c.add(-1,"qwerty");
410			fail("void add(int, Object) should throw IndexOutOfBounds exception");
411			}catch(IndexOutOfBoundsException e){}
412			}
413
414			/**
415			* Test to verify add throws an IndexOutOfBoundsException on a too high index
416			*/
417			public void testAdd2_IndexOutOfBoundsException(){
418			try{
419			CopyOnWriteArrayList c = new CopyOnWriteArrayList();
420			c.add("asdasd");
421			c.add("asdasdasd");
422			c.add(100, "qwerty");
423			fail("void add(int, Object) should throw IndexOutOfBounds exception");
424			}catch(IndexOutOfBoundsException e){}
425			}
426
427			/**
428			* Test to verify remove throws an IndexOutOfBoundsException on a negative index
429			*/
430			public void testRemove1_IndexOutOfBounds(){
431			try{
432			CopyOnWriteArrayList c = new CopyOnWriteArrayList();
433			c.remove(-1);
434			fail("Object remove(int) should throw IndexOutOfBounds exception");
435			}catch(IndexOutOfBoundsException e){}
436			}
437
438			/**
439			* Test to verify remove throws an IndexOutOfBoundsException on a too high index
440			*/
441			public void testRemove2_IndexOutOfBounds(){
442			try{
443			CopyOnWriteArrayList c = new CopyOnWriteArrayList();
444			c.add("asdasd");
445			c.add("adasdasd");
446			c.remove(100);
447			fail("Object remove(int) should throw IndexOutOfBounds exception");
448			}catch(IndexOutOfBoundsException e){}
449			}
450
451			/**
452			* Test to verify addAll throws an IndexOutOfBoundsException on a negative index
453			*/
454			public void testAddAll1_IndexOutOfBoundsException(){
455			try{
456			CopyOnWriteArrayList c = new CopyOnWriteArrayList();
457			c.addAll(-1,new LinkedList());
458			fail("boolean add(int, Collection) should throw IndexOutOfBounds exception");
459			}catch(IndexOutOfBoundsException e){}
460			}
461
462			/**
463			* Test to verify addAll throws an IndexOutOfBoundsException on a too high index
464			*/
465			public void testAddAll2_IndexOutOfBoundsException(){
466			try{
467			CopyOnWriteArrayList c = new CopyOnWriteArrayList();
468			c.add("asdasd");
469			c.add("asdasdasd");
470			c.addAll(100, new LinkedList());
471			fail("boolean addAll(int, Collection) should throw IndexOutOfBounds exception");
472			}catch(IndexOutOfBoundsException e){}
473			}
474
475			/**
476			* Test to verify listIterator throws an IndexOutOfBoundsException on a negative index
477			*/
478			public void testListIterator1_IndexOutOfBoundsException(){
479			try{
480			CopyOnWriteArrayList c = new CopyOnWriteArrayList();
481			c.listIterator(-1);
482			fail("ListIterator listIterator(int) should throw IndexOutOfBounds exceptione");
483			}catch(IndexOutOfBoundsException e){}
484			}
485
486			/**
487			* Test to verify listIterator throws an IndexOutOfBoundsException on a too high index
488			*/
489			public void testListIterator2_IndexOutOfBoundsException(){
490			try{
491			CopyOnWriteArrayList c = new CopyOnWriteArrayList();
492			c.add("adasd");
493			c.add("asdasdas");
494			c.listIterator(100);
495			fail("ListIterator listIterator(int) should throw IndexOutOfBounds exception");
496			}catch(IndexOutOfBoundsException e){}
497			}
498
499			/**
500			* Test to verify subList throws an IndexOutOfBoundsException on a negative index
501			*/
502			public void testSubList1_IndexOutOfBoundsException(){
503			try{
504			CopyOnWriteArrayList c = new CopyOnWriteArrayList();
505			c.subList(-1,100);
506
507			fail("List subList(int, int) should throw IndexOutofBounds exception");
508			}catch(IndexOutOfBoundsException e){}
509			}
510
511			/**
512			* Test to verify subList throws an IndexOutOfBoundsException on a too high index
513			*/
514			public void testSubList2_IndexOutOfBoundsException(){
515			try{
516			CopyOnWriteArrayList c = new CopyOnWriteArrayList();
517			c.add("asdasd");
518			c.subList(1,100);
519			fail("List subList(int, int) should throw IndexOutofBounds exception");
520			}catch(IndexOutOfBoundsException e){}
521			}
522
523			/**
524			* Test to verify subList throws IndexOutOfBoundsException when the second index
525			* is lower then the first
526			*/
527			public void testSubList3_IndexOutOfBoundsException(){
528			try{
529			CopyOnWriteArrayList c = new CopyOnWriteArrayList();
530			c.subList(3,1);
531
532			fail("List subList(int, int) should throw IndexOutofBounds exception");
533			}catch(IndexOutOfBoundsException e){}
534			}
535
536			}