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Comparing jsr166/src/test/tck/CopyOnWriteArrayListTest.java (file contents):
Revision 1.1 by dl, Sun Aug 31 19:24:54 2003 UTC vs.
Revision 1.25 by jsr166, Sat Nov 26 07:39:02 2011 UTC

# Line 1 | Line 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.
2 > * Written by Doug Lea with assistance from members of JCP JSR-166
3 > * Expert Group and released to the public domain, as explained at
4 > * http://creativecommons.org/publicdomain/zero/1.0/
5 > * Other contributors include Andrew Wright, Jeffrey Hayes,
6 > * Pat Fisher, Mike Judd.
7   */
8  
9   import junit.framework.*;
10 < import java.util.*;
11 < import java.util.concurrent.*;
10 > import java.util.Arrays;
11 > import java.util.Iterator;
12 > import java.util.LinkedList;
13 > import java.util.List;
14 > import java.util.ListIterator;
15 > import java.util.Vector;
16 > import java.util.concurrent.CopyOnWriteArrayList;
17 >
18 > public class CopyOnWriteArrayListTest extends JSR166TestCase {
19  
12 public class CopyOnWriteArrayListTest extends TestCase{
13    
20      public static void main(String[] args) {
21 <        junit.textui.TestRunner.run (suite());  
21 >        junit.textui.TestRunner.run(suite());
22      }
23  
24      public static Test suite() {
25 <        return new TestSuite(CopyOnWriteArrayListTest.class);
25 >        return new TestSuite(CopyOnWriteArrayListTest.class);
26      }
27  
28 <    static CopyOnWriteArrayList fullArray(int n){
29 <        CopyOnWriteArrayList a = new CopyOnWriteArrayList();
28 >    static CopyOnWriteArrayList<Integer> populatedArray(int n) {
29 >        CopyOnWriteArrayList<Integer> a
30 >            = new CopyOnWriteArrayList<Integer>();
31          assertTrue(a.isEmpty());
32 <        for (int i = 0; i < n; ++i)
33 <            a.add(new Integer(i));
32 >        for (int i = 0; i < n; ++i)
33 >            a.add(i);
34          assertFalse(a.isEmpty());
35          assertEquals(n, a.size());
36          return a;
37      }
38  
39      /**
40 <     *  Test to verify addAll correctly adds each element from the given collection
40 >     * a new list is empty
41 >     */
42 >    public void testConstructor() {
43 >        CopyOnWriteArrayList a = new CopyOnWriteArrayList();
44 >        assertTrue(a.isEmpty());
45 >    }
46 >
47 >    /**
48 >     * new list contains all elements of initializing array
49 >     */
50 >    public void testConstructor2() {
51 >        Integer[] ints = new Integer[SIZE];
52 >        for (int i = 0; i < SIZE-1; ++i)
53 >            ints[i] = new Integer(i);
54 >        CopyOnWriteArrayList a = new CopyOnWriteArrayList(ints);
55 >        for (int i = 0; i < SIZE; ++i)
56 >            assertEquals(ints[i], a.get(i));
57 >    }
58 >
59 >    /**
60 >     * new list contains all elements of initializing collection
61 >     */
62 >    public void testConstructor3() {
63 >        Integer[] ints = new Integer[SIZE];
64 >        for (int i = 0; i < SIZE-1; ++i)
65 >            ints[i] = new Integer(i);
66 >        CopyOnWriteArrayList a = new CopyOnWriteArrayList(Arrays.asList(ints));
67 >        for (int i = 0; i < SIZE; ++i)
68 >            assertEquals(ints[i], a.get(i));
69 >    }
70 >
71 >    /**
72 >     * addAll adds each element from the given collection
73       */
74 <    public void testAddAll(){
75 <        CopyOnWriteArrayList full = fullArray(3);
76 <        Vector v = new Vector();
77 <        v.add(new Integer(3));
78 <        v.add(new Integer(4));
79 <        v.add(new Integer(5));
80 <        full.addAll(v);
81 <        assertEquals(6, full.size());
74 >    public void testAddAll() {
75 >        CopyOnWriteArrayList full = populatedArray(3);
76 >        Vector v = new Vector();
77 >        v.add(three);
78 >        v.add(four);
79 >        v.add(five);
80 >        full.addAll(v);
81 >        assertEquals(6, full.size());
82      }
83  
84      /**
85 <     *  Test to verify addAllAbsent adds each element from the given collection that did not
86 <     *  already exist in the List
85 >     * addAllAbsent adds each element from the given collection that did not
86 >     * already exist in the List
87       */
88 <    public void testAddAllAbsent(){
89 <        CopyOnWriteArrayList full = fullArray(3);
90 <        Vector v = new Vector();
91 <        v.add(new Integer(3));
92 <        v.add(new Integer(4));
93 <        v.add(new Integer(1)); // will not add this element
94 <        full.addAllAbsent(v);
95 <        assertEquals(5, full.size());
88 >    public void testAddAllAbsent() {
89 >        CopyOnWriteArrayList full = populatedArray(3);
90 >        Vector v = new Vector();
91 >        v.add(three);
92 >        v.add(four);
93 >        v.add(one); // will not add this element
94 >        full.addAllAbsent(v);
95 >        assertEquals(5, full.size());
96      }
97  
98      /**
99 <     *  Test to verify addIfAbsent will not add the element if it already exists in the list
99 >     * addIfAbsent will not add the element if it already exists in the list
100       */
101 <    public void testAddIfAbsent(){
102 <        CopyOnWriteArrayList full = fullArray(3);
103 <        full.addIfAbsent(new Integer(1));
104 <        assertEquals(3, full.size());
101 >    public void testAddIfAbsent() {
102 >        CopyOnWriteArrayList full = populatedArray(SIZE);
103 >        full.addIfAbsent(one);
104 >        assertEquals(SIZE, full.size());
105      }
106  
107      /**
108 <     *  test to verify addIfAbsent correctly adds the element when it does not exist in the list
108 >     * addIfAbsent adds the element when it does not exist in the list
109       */
110 <    public void testAddIfAbsent2(){
111 <        CopyOnWriteArrayList full = fullArray(3);
112 <        full.addIfAbsent(new Integer(3));
113 <        assertTrue(full.contains(new Integer(3)));
110 >    public void testAddIfAbsent2() {
111 >        CopyOnWriteArrayList full = populatedArray(SIZE);
112 >        full.addIfAbsent(three);
113 >        assertTrue(full.contains(three));
114      }
115  
116      /**
117 <     *  Test to verify clear correctly removes all elements from the list
117 >     * clear removes all elements from the list
118       */
119 <    public void testClear(){
120 <        CopyOnWriteArrayList full = fullArray(3);
121 <        full.clear();
122 <        assertEquals(0, full.size());
119 >    public void testClear() {
120 >        CopyOnWriteArrayList full = populatedArray(SIZE);
121 >        full.clear();
122 >        assertEquals(0, full.size());
123      }
124  
125      /**
126 <     *  Test to verify contains returns the correct values
126 >     * Cloned list is equal
127       */
128 <    public void testContains(){
129 <        CopyOnWriteArrayList full = fullArray(3);
130 <        assertTrue(full.contains(new Integer(1)));
131 <        assertFalse(full.contains(new Integer(5)));
128 >    public void testClone() {
129 >        CopyOnWriteArrayList l1 = populatedArray(SIZE);
130 >        CopyOnWriteArrayList l2 = (CopyOnWriteArrayList)(l1.clone());
131 >        assertEquals(l1, l2);
132 >        l1.clear();
133 >        assertFalse(l1.equals(l2));
134      }
135  
136 +    /**
137 +     * contains is true for added elements
138 +     */
139 +    public void testContains() {
140 +        CopyOnWriteArrayList full = populatedArray(3);
141 +        assertTrue(full.contains(one));
142 +        assertFalse(full.contains(five));
143 +    }
144 +
145 +    /**
146 +     * adding at an index places it in the indicated index
147 +     */
148      public void testAddIndex() {
149 <        CopyOnWriteArrayList full = fullArray(3);
150 <        full.add(0, new Integer(-1));
149 >        CopyOnWriteArrayList full = populatedArray(3);
150 >        full.add(0, m1);
151          assertEquals(4, full.size());
152 <        assertEquals(new Integer(-1), full.get(0));
153 <        assertEquals(new Integer(0), full.get(1));
152 >        assertEquals(m1, full.get(0));
153 >        assertEquals(zero, full.get(1));
154  
155 <        full.add(2, new Integer(-2));
155 >        full.add(2, m2);
156          assertEquals(5, full.size());
157 <        assertEquals(new Integer(-2), full.get(2));
158 <        assertEquals(new Integer(2), full.get(4));
157 >        assertEquals(m2, full.get(2));
158 >        assertEquals(two, full.get(4));
159      }
160  
161 +    /**
162 +     * lists with same elements are equal and have same hashCode
163 +     */
164      public void testEquals() {
165 <        CopyOnWriteArrayList a = fullArray(3);
166 <        CopyOnWriteArrayList b = fullArray(3);
165 >        CopyOnWriteArrayList a = populatedArray(3);
166 >        CopyOnWriteArrayList b = populatedArray(3);
167          assertTrue(a.equals(b));
168          assertTrue(b.equals(a));
169          assertEquals(a.hashCode(), b.hashCode());
170 <        a.add(new Integer(-1));
170 >        a.add(m1);
171          assertFalse(a.equals(b));
172          assertFalse(b.equals(a));
173 <        b.add(new Integer(-1));
173 >        b.add(m1);
174          assertTrue(a.equals(b));
175          assertTrue(b.equals(a));
176          assertEquals(a.hashCode(), b.hashCode());
177      }
178  
123    
179      /**
180 <     *  Test to verify containsAll returns the correct values
180 >     * containsAll returns true for collection with subset of elements
181       */
182 <    public void testContainsAll(){
183 <        CopyOnWriteArrayList full = fullArray(3);
184 <        Vector v = new Vector();
185 <        v.add(new Integer(1));
186 <        v.add(new Integer(2));
187 <        assertTrue(full.containsAll(v));
188 <        v.add(new Integer(6));
189 <        assertFalse(full.containsAll(v));
182 >    public void testContainsAll() {
183 >        CopyOnWriteArrayList full = populatedArray(3);
184 >        Vector v = new Vector();
185 >        v.add(one);
186 >        v.add(two);
187 >        assertTrue(full.containsAll(v));
188 >        v.add(six);
189 >        assertFalse(full.containsAll(v));
190      }
191  
192      /**
193 <     *  Test to verify get returns the correct value for the given index
193 >     * get returns the value at the given index
194       */
195 <    public void testGet(){
196 <        CopyOnWriteArrayList full = fullArray(3);
197 <        assertEquals(0, ((Integer)full.get(0)).intValue());
195 >    public void testGet() {
196 >        CopyOnWriteArrayList full = populatedArray(3);
197 >        assertEquals(0, full.get(0));
198      }
199  
200      /**
201 <     *  Test to verify indexOf gives the correct index for the given object
201 >     * indexOf gives the index for the given object
202       */
203 <    public void testIndexOf(){
204 <        CopyOnWriteArrayList full = fullArray(3);
205 <        assertEquals(1, full.indexOf(new Integer(1)));
206 <        assertEquals(-1, full.indexOf("puppies"));
203 >    public void testIndexOf() {
204 >        CopyOnWriteArrayList full = populatedArray(3);
205 >        assertEquals(1, full.indexOf(one));
206 >        assertEquals(-1, full.indexOf("puppies"));
207      }
208  
209      /**
210 <     *  Test to verify indexOf gives the correct index based on the given index
211 <     *  at which to start searching
210 >     * indexOf gives the index based on the given index
211 >     * at which to start searching
212       */
213 <    public void testIndexOf2(){
214 <        CopyOnWriteArrayList full = fullArray(3);
215 <        assertEquals(1, full.indexOf(new Integer(1), 0));
216 <        assertEquals(-1, full.indexOf(new Integer(1), 2));
213 >    public void testIndexOf2() {
214 >        CopyOnWriteArrayList full = populatedArray(3);
215 >        assertEquals(1, full.indexOf(one, 0));
216 >        assertEquals(-1, full.indexOf(one, 2));
217      }
218  
219      /**
220 <     *  Test to verify isEmpty returns the correct values
220 >     * isEmpty returns true when empty, else false
221       */
222 <    public void testIsEmpty(){
223 <        CopyOnWriteArrayList empty = new CopyOnWriteArrayList();
224 <        CopyOnWriteArrayList full = fullArray(3);
225 <        assertTrue(empty.isEmpty());
226 <        assertFalse(full.isEmpty());
222 >    public void testIsEmpty() {
223 >        CopyOnWriteArrayList empty = new CopyOnWriteArrayList();
224 >        CopyOnWriteArrayList full = populatedArray(SIZE);
225 >        assertTrue(empty.isEmpty());
226 >        assertFalse(full.isEmpty());
227      }
228  
229      /**
230 <     *  Test to verify iterator() returns an iterator containing the elements of the list
230 >     * iterator() returns an iterator containing the elements of the list
231       */
232 <    public void testIterator(){
233 <        CopyOnWriteArrayList full = fullArray(3);
234 <        Iterator i = full.iterator();
235 <        int j;
236 <        for(j = 0; i.hasNext(); j++)
237 <            assertEquals(j, ((Integer)i.next()).intValue());
238 <        assertEquals(3, j);
232 >    public void testIterator() {
233 >        CopyOnWriteArrayList full = populatedArray(SIZE);
234 >        Iterator i = full.iterator();
235 >        int j;
236 >        for (j = 0; i.hasNext(); j++)
237 >            assertEquals(j, i.next());
238 >        assertEquals(SIZE, j);
239      }
240  
241 <    public void testIteratorRemove () {
242 <        CopyOnWriteArrayList full = fullArray(3);
241 >    /**
242 >     * iterator.remove throws UnsupportedOperationException
243 >     */
244 >    public void testIteratorRemove() {
245 >        CopyOnWriteArrayList full = populatedArray(SIZE);
246          Iterator it = full.iterator();
247          it.next();
248          try {
249              it.remove();
250 <            fail("should throw");
251 <        }
194 <        catch (UnsupportedOperationException success) {}
250 >            shouldThrow();
251 >        } catch (UnsupportedOperationException success) {}
252      }
253  
254 <    public void testToString(){
255 <        CopyOnWriteArrayList full = fullArray(3);
254 >    /**
255 >     * toString contains toString of elements
256 >     */
257 >    public void testToString() {
258 >        CopyOnWriteArrayList full = populatedArray(3);
259          String s = full.toString();
260          for (int i = 0; i < 3; ++i) {
261 <            assertTrue(s.indexOf(String.valueOf(i)) >= 0);
261 >            assertTrue(s.contains(String.valueOf(i)));
262          }
263 <    }        
263 >    }
264  
265      /**
266 <     *  Test to verify lastIndexOf returns the correct index for the given object
266 >     * lastIndexOf returns the index for the given object
267       */
268 <    public void testLastIndexOf1(){
269 <        CopyOnWriteArrayList full = fullArray(3);
270 <        full.add(new Integer(1));
271 <        full.add(new Integer(3));
272 <        assertEquals(3, full.lastIndexOf(new Integer(1)));
273 <        assertEquals(-1, full.lastIndexOf(new Integer(6)));
268 >    public void testLastIndexOf1() {
269 >        CopyOnWriteArrayList full = populatedArray(3);
270 >        full.add(one);
271 >        full.add(three);
272 >        assertEquals(3, full.lastIndexOf(one));
273 >        assertEquals(-1, full.lastIndexOf(six));
274      }
275  
276      /**
277 <     *  Test to verify lastIndexOf returns the correct index from the given starting point
277 >     * lastIndexOf returns the index from the given starting point
278       */
279 <    public void testlastIndexOf2(){
280 <        CopyOnWriteArrayList full = fullArray(3);
281 <        full.add(new Integer(1));
282 <        full.add(new Integer(3));
283 <        assertEquals(3, full.lastIndexOf(new Integer(1), 4));
284 <        assertEquals(-1, full.lastIndexOf(new Integer(3), 3));
279 >    public void testLastIndexOf2() {
280 >        CopyOnWriteArrayList full = populatedArray(3);
281 >        full.add(one);
282 >        full.add(three);
283 >        assertEquals(3, full.lastIndexOf(one, 4));
284 >        assertEquals(-1, full.lastIndexOf(three, 3));
285      }
286  
287      /**
288 <     *  Identical to testIterator, except ListInterator has more functionality
288 >     * listIterator traverses all elements
289       */
290 <    public void testListIterator1(){
291 <        CopyOnWriteArrayList full = fullArray(3);
292 <        ListIterator i = full.listIterator();
293 <        int j;
294 <        for(j = 0; i.hasNext(); j++)
295 <            assertEquals(j, ((Integer)i.next()).intValue());
296 <        assertEquals(3, j);
290 >    public void testListIterator1() {
291 >        CopyOnWriteArrayList full = populatedArray(SIZE);
292 >        ListIterator i = full.listIterator();
293 >        int j;
294 >        for (j = 0; i.hasNext(); j++)
295 >            assertEquals(j, i.next());
296 >        assertEquals(SIZE, j);
297      }
298  
299      /**
300 <     *  Identical to testIterator and testListIterator1, but only returns those elements
241 <     *  after the given index
300 >     * listIterator only returns those elements after the given index
301       */
302 <    public void testListIterator2(){
303 <        CopyOnWriteArrayList full = fullArray(3);
304 <        ListIterator i = full.listIterator(1);
305 <        int j;
306 <        for(j = 0; i.hasNext(); j++)
307 <            assertEquals(j+1, ((Integer)i.next()).intValue());
308 <        assertEquals(2, j);
302 >    public void testListIterator2() {
303 >        CopyOnWriteArrayList full = populatedArray(3);
304 >        ListIterator i = full.listIterator(1);
305 >        int j;
306 >        for (j = 0; i.hasNext(); j++)
307 >            assertEquals(j+1, i.next());
308 >        assertEquals(2, j);
309      }
310  
311      /**
312 <     *  Test to verify remove correctly removes and returns the object at the given index
312 >     * remove removes and returns the object at the given index
313       */
314 <    public void testRemove(){
315 <        CopyOnWriteArrayList full = fullArray(3);
316 <        assertEquals(new Integer(2), full.remove(2));
317 <        assertEquals(2, full.size());
314 >    public void testRemove() {
315 >        CopyOnWriteArrayList full = populatedArray(3);
316 >        assertEquals(2, full.remove(2));
317 >        assertEquals(2, full.size());
318      }
319  
320      /**
321 <     *  Test to verify removeAll correctly removes all elements from the given collection
321 >     * removeAll removes all elements from the given collection
322       */
323 <    public void testRemoveAll(){
324 <        CopyOnWriteArrayList full = fullArray(3);
325 <        Vector v = new Vector();
326 <        v.add(new Integer(1));
327 <        v.add(new Integer(2));
328 <        full.removeAll(v);
329 <        assertEquals(1, full.size());
323 >    public void testRemoveAll() {
324 >        CopyOnWriteArrayList full = populatedArray(3);
325 >        Vector v = new Vector();
326 >        v.add(one);
327 >        v.add(two);
328 >        full.removeAll(v);
329 >        assertEquals(1, full.size());
330      }
331  
332      /**
333 <     *  Test to verify set correctly changes the element at the given index
333 >     * set changes the element at the given index
334       */
335 <    public void testSet(){
336 <        CopyOnWriteArrayList full = fullArray(3);
337 <        assertEquals(new Integer(2), full.set(2, new Integer(4)));
338 <        assertEquals(4, ((Integer)full.get(2)).intValue());
335 >    public void testSet() {
336 >        CopyOnWriteArrayList full = populatedArray(3);
337 >        assertEquals(2, full.set(2, four));
338 >        assertEquals(4, full.get(2));
339      }
340  
341      /**
342 <     *  Test to verify size returns the correct values
342 >     * size returns the number of elements
343       */
344 <    public void testSize(){
345 <        CopyOnWriteArrayList empty = new CopyOnWriteArrayList();
346 <        CopyOnWriteArrayList full = fullArray(3);
347 <        assertEquals(3, full.size());
348 <        assertEquals(0, empty.size());
344 >    public void testSize() {
345 >        CopyOnWriteArrayList empty = new CopyOnWriteArrayList();
346 >        CopyOnWriteArrayList full = populatedArray(SIZE);
347 >        assertEquals(SIZE, full.size());
348 >        assertEquals(0, empty.size());
349      }
350  
351      /**
352 <     *  Test to verify toArray returns an Object array containing all elements from the list
352 >     * toArray returns an Object array containing all elements from the list
353       */
354 <    public void testToArray(){
355 <        CopyOnWriteArrayList full = fullArray(3);
356 <        Object[] o = full.toArray();
357 <        assertEquals(3, o.length);
358 <        assertEquals(0, ((Integer)o[0]).intValue());
359 <        assertEquals(1, ((Integer)o[1]).intValue());
360 <        assertEquals(2, ((Integer)o[2]).intValue());
354 >    public void testToArray() {
355 >        CopyOnWriteArrayList full = populatedArray(3);
356 >        Object[] o = full.toArray();
357 >        assertEquals(3, o.length);
358 >        assertEquals(0, o[0]);
359 >        assertEquals(1, o[1]);
360 >        assertEquals(2, o[2]);
361      }
362  
363      /**
364 <     *  test to verify toArray returns an Integer array containing all elements from the list
364 >     * toArray returns an Integer array containing all elements from
365 >     * the list
366       */
367 <    public void testToArray2(){
368 <        CopyOnWriteArrayList full = fullArray(3);
369 <        Integer[] i = new Integer[3];
370 <        i = (Integer[])full.toArray(i);
371 <        assertEquals(3, i.length);
372 <        assertEquals(0, i[0].intValue());
373 <        assertEquals(1, i[1].intValue());
374 <        assertEquals(2, i[2].intValue());
367 >    public void testToArray2() {
368 >        final int size = 3;
369 >        CopyOnWriteArrayList<Integer> full = populatedArray(size);
370 >        Integer[] ints = new Integer[size];
371 >        assertSame(ints, full.toArray(ints));
372 >        Iterator<Integer> it = full.iterator();
373 >        for (int i = 0; i < size; i++)
374 >            assertSame(ints[i], it.next());
375 >        assertFalse(it.hasNext());
376      }
377  
378 <
378 >    /**
379 >     * sublists contains elements at indexes offset from their base
380 >     */
381      public void testSubList() {
382 <        CopyOnWriteArrayList a = fullArray(10);
382 >        CopyOnWriteArrayList a = populatedArray(10);
383          assertTrue(a.subList(1,1).isEmpty());
384 <        for(int j = 0; j < 9; ++j) {
385 <            for(int i = j ; i < 10; ++i) {
386 <                List b = a.subList(j,i);
387 <                for(int k = j; k < i; ++k) {
388 <                    assertEquals(new Integer(k), b.get(k-j));
389 <                }
390 <            }
391 <        }
392 <
393 <        Integer m1 = new Integer(-1);
394 <        List s = a.subList(2, 5);
395 <        assertEquals(s.size(), 3);
333 <        s.set(2, new Integer(m1));
384 >        for (int j = 0; j < 9; ++j) {
385 >            for (int i = j ; i < 10; ++i) {
386 >                List b = a.subList(j,i);
387 >                for (int k = j; k < i; ++k) {
388 >                    assertEquals(new Integer(k), b.get(k-j));
389 >                }
390 >            }
391 >        }
392 >
393 >        List s = a.subList(2, 5);
394 >        assertEquals(3, s.size());
395 >        s.set(2, m1);
396          assertEquals(a.get(4), m1);
397 <        s.clear();
398 <        assertEquals(a.size(), 7);
397 >        s.clear();
398 >        assertEquals(7, a.size());
399      }
400  
401      // Exception tests
402  
403      /**
404 <     *  Test to verify toArray throws an ArrayStoreException when the given array
405 <     *  can not store the objects inside the list
404 >     * toArray throws an ArrayStoreException when the given array
405 >     * can not store the objects inside the list
406       */
407 <    public void testToArray_ArrayStoreException(){
408 <        try{
407 >    public void testToArray_ArrayStoreException() {
408 >        try {
409              CopyOnWriteArrayList c = new CopyOnWriteArrayList();
410              c.add("zfasdfsdf");
411              c.add("asdadasd");
412              c.toArray(new Long[5]);
413 <            fail("Object[] toArray(Object[]) should throw ArrayStoreException");
414 <        }catch(ArrayStoreException e){}
413 >            shouldThrow();
414 >        } catch (ArrayStoreException success) {}
415      }
416  
417      /**
418 <     *  Test to verify get throws an IndexOutOfBoundsException on a negative index
418 >     * get throws an IndexOutOfBoundsException on a negative index
419       */
420 <    public void testGet1_IndexOutOfBoundsException(){
421 <        try{
420 >    public void testGet1_IndexOutOfBoundsException() {
421 >        try {
422              CopyOnWriteArrayList c = new CopyOnWriteArrayList();
423              c.get(-1);
424 <            fail("Object get(int) should throw IndexOutOfBounds exception");
425 <        }catch(IndexOutOfBoundsException e){}
424 >            shouldThrow();
425 >        } catch (IndexOutOfBoundsException success) {}
426      }
427 <    
427 >
428      /**
429 <     *  Test to verify get throws an IndexOutOfBoundsException on a too high index
429 >     * get throws an IndexOutOfBoundsException on a too high index
430       */
431 <    public void testGet2_IndexOutOfBoundsException(){
432 <        try{
431 >    public void testGet2_IndexOutOfBoundsException() {
432 >        try {
433              CopyOnWriteArrayList c = new CopyOnWriteArrayList();
434              c.add("asdasd");
435              c.add("asdad");
436              c.get(100);
437 <            fail("Object get(int) should throw IndexOutOfBounds exception");
438 <        }catch(IndexOutOfBoundsException e){}
437 >            shouldThrow();
438 >        } catch (IndexOutOfBoundsException success) {}
439      }
440  
441      /**
442 <     *  Test to verify set throws an IndexOutOfBoundsException on a negative index
442 >     * set throws an IndexOutOfBoundsException on a negative index
443       */
444 <    public void testSet1_IndexOutOfBoundsException(){
445 <        try{
444 >    public void testSet1_IndexOutOfBoundsException() {
445 >        try {
446              CopyOnWriteArrayList c = new CopyOnWriteArrayList();
447              c.set(-1,"qwerty");
448 <            fail("Object get(int, Object) should throw IndexOutOfBounds exception");
449 <        }catch(IndexOutOfBoundsException e){}
448 >            shouldThrow();
449 >        } catch (IndexOutOfBoundsException success) {}
450      }
451 <    
451 >
452      /**
453 <     *  Test to verify set throws an IndexOutOfBoundsException on a too high index
453 >     * set throws an IndexOutOfBoundsException on a too high index
454       */
455 <    public void testSet2(){
456 <        try{
455 >    public void testSet2() {
456 >        try {
457              CopyOnWriteArrayList c = new CopyOnWriteArrayList();
458              c.add("asdasd");
459              c.add("asdad");
460              c.set(100, "qwerty");
461 <            fail("Object set(int, Object) should throw IndexOutOfBounds exception");
462 <        }catch(IndexOutOfBoundsException e){}
461 >            shouldThrow();
462 >        } catch (IndexOutOfBoundsException success) {}
463      }
464  
465      /**
466 <     *  Test to verify add throws an IndexOutOfBoundsException on a negative index
466 >     * add throws an IndexOutOfBoundsException on a negative index
467       */
468 <    public void testAdd1_IndexOutOfBoundsException(){
469 <        try{
468 >    public void testAdd1_IndexOutOfBoundsException() {
469 >        try {
470              CopyOnWriteArrayList c = new CopyOnWriteArrayList();
471              c.add(-1,"qwerty");
472 <            fail("void add(int, Object) should throw IndexOutOfBounds exception");
473 <        }catch(IndexOutOfBoundsException e){}
472 >            shouldThrow();
473 >        } catch (IndexOutOfBoundsException success) {}
474      }
475 <    
475 >
476      /**
477 <     *  Test to verify add throws an IndexOutOfBoundsException on a too high index
477 >     * add throws an IndexOutOfBoundsException on a too high index
478       */
479 <    public void testAdd2_IndexOutOfBoundsException(){
480 <        try{
479 >    public void testAdd2_IndexOutOfBoundsException() {
480 >        try {
481              CopyOnWriteArrayList c = new CopyOnWriteArrayList();
482              c.add("asdasd");
483              c.add("asdasdasd");
484              c.add(100, "qwerty");
485 <            fail("void add(int, Object) should throw IndexOutOfBounds exception");
486 <        }catch(IndexOutOfBoundsException e){}
485 >            shouldThrow();
486 >        } catch (IndexOutOfBoundsException success) {}
487      }
488  
489      /**
490 <     *  Test to verify remove throws an IndexOutOfBoundsException on a negative index
490 >     * remove throws an IndexOutOfBoundsException on a negative index
491       */
492 <    public void testRemove1_IndexOutOfBounds(){
493 <        try{
492 >    public void testRemove1_IndexOutOfBounds() {
493 >        try {
494              CopyOnWriteArrayList c = new CopyOnWriteArrayList();
495              c.remove(-1);
496 <            fail("Object remove(int) should throw IndexOutOfBounds exception");
497 <        }catch(IndexOutOfBoundsException e){}
496 >            shouldThrow();
497 >        } catch (IndexOutOfBoundsException success) {}
498      }
499  
500      /**
501 <     *  Test to verify remove throws an IndexOutOfBoundsException on a too high index
501 >     * remove throws an IndexOutOfBoundsException on a too high index
502       */
503 <    public void testRemove2_IndexOutOfBounds(){
504 <        try{
503 >    public void testRemove2_IndexOutOfBounds() {
504 >        try {
505              CopyOnWriteArrayList c = new CopyOnWriteArrayList();
506              c.add("asdasd");
507              c.add("adasdasd");
508              c.remove(100);
509 <            fail("Object remove(int) should throw IndexOutOfBounds exception");
510 <        }catch(IndexOutOfBoundsException e){}
509 >            shouldThrow();
510 >        } catch (IndexOutOfBoundsException success) {}
511      }
512 <    
512 >
513      /**
514 <     *  Test to verify addAll throws an IndexOutOfBoundsException on a negative index
514 >     * addAll throws an IndexOutOfBoundsException on a negative index
515       */
516 <    public void testAddAll1_IndexOutOfBoundsException(){
517 <        try{
516 >    public void testAddAll1_IndexOutOfBoundsException() {
517 >        try {
518              CopyOnWriteArrayList c = new CopyOnWriteArrayList();
519              c.addAll(-1,new LinkedList());
520 <            fail("boolean add(int, Collection) should throw IndexOutOfBounds exception");
521 <        }catch(IndexOutOfBoundsException e){}
520 >            shouldThrow();
521 >        } catch (IndexOutOfBoundsException success) {}
522      }
523 <    
523 >
524      /**
525 <     *  Test to verify addAll throws an IndexOutOfBoundsException on a too high index
525 >     * addAll throws an IndexOutOfBoundsException on a too high index
526       */
527 <    public void testAddAll2_IndexOutOfBoundsException(){
528 <        try{
527 >    public void testAddAll2_IndexOutOfBoundsException() {
528 >        try {
529              CopyOnWriteArrayList c = new CopyOnWriteArrayList();
530              c.add("asdasd");
531              c.add("asdasdasd");
532              c.addAll(100, new LinkedList());
533 <            fail("boolean addAll(int, Collection) should throw IndexOutOfBounds exception");
534 <        }catch(IndexOutOfBoundsException e){}
533 >            shouldThrow();
534 >        } catch (IndexOutOfBoundsException success) {}
535      }
536  
537      /**
538 <     *  Test to verify listIterator throws an IndexOutOfBoundsException on a negative index
538 >     * listIterator throws an IndexOutOfBoundsException on a negative index
539       */
540 <    public void testListIterator1_IndexOutOfBoundsException(){
541 <        try{
540 >    public void testListIterator1_IndexOutOfBoundsException() {
541 >        try {
542              CopyOnWriteArrayList c = new CopyOnWriteArrayList();
543              c.listIterator(-1);
544 <            fail("ListIterator listIterator(int) should throw IndexOutOfBounds exceptione");
545 <        }catch(IndexOutOfBoundsException e){}
544 >            shouldThrow();
545 >        } catch (IndexOutOfBoundsException success) {}
546      }
547  
548      /**
549 <     *  Test to verify listIterator throws an IndexOutOfBoundsException on a too high index
549 >     * listIterator throws an IndexOutOfBoundsException on a too high index
550       */
551 <    public void testListIterator2_IndexOutOfBoundsException(){
552 <        try{
551 >    public void testListIterator2_IndexOutOfBoundsException() {
552 >        try {
553              CopyOnWriteArrayList c = new CopyOnWriteArrayList();
554              c.add("adasd");
555              c.add("asdasdas");
556              c.listIterator(100);
557 <            fail("ListIterator listIterator(int) should throw IndexOutOfBounds exception");
558 <        }catch(IndexOutOfBoundsException e){}
557 >            shouldThrow();
558 >        } catch (IndexOutOfBoundsException success) {}
559      }
560  
561      /**
562 <     *  Test to verify subList throws an IndexOutOfBoundsException on a negative index
562 >     * subList throws an IndexOutOfBoundsException on a negative index
563       */
564 <    public void testSubList1_IndexOutOfBoundsException(){
565 <        try{
564 >    public void testSubList1_IndexOutOfBoundsException() {
565 >        try {
566              CopyOnWriteArrayList c = new CopyOnWriteArrayList();
567              c.subList(-1,100);
568 <
569 <            fail("List subList(int, int) should throw IndexOutofBounds exception");
508 <        }catch(IndexOutOfBoundsException e){}
568 >            shouldThrow();
569 >        } catch (IndexOutOfBoundsException success) {}
570      }
571  
572      /**
573 <     *  Test to verify subList throws an IndexOutOfBoundsException on a too high index
573 >     * subList throws an IndexOutOfBoundsException on a too high index
574       */
575 <    public void testSubList2_IndexOutOfBoundsException(){
576 <        try{
575 >    public void testSubList2_IndexOutOfBoundsException() {
576 >        try {
577              CopyOnWriteArrayList c = new CopyOnWriteArrayList();
578              c.add("asdasd");
579              c.subList(1,100);
580 <            fail("List subList(int, int) should throw IndexOutofBounds exception");
581 <        }catch(IndexOutOfBoundsException e){}
580 >            shouldThrow();
581 >        } catch (IndexOutOfBoundsException success) {}
582      }
583  
584      /**
585 <     *  Test to verify subList throws IndexOutOfBoundsException when the second index
586 <     *  is lower then the first
585 >     * subList throws IndexOutOfBoundsException when the second index
586 >     * is lower then the first
587       */
588 <    public void testSubList3_IndexOutOfBoundsException(){
589 <        try{
588 >    public void testSubList3_IndexOutOfBoundsException() {
589 >        try {
590              CopyOnWriteArrayList c = new CopyOnWriteArrayList();
591              c.subList(3,1);
592 +            shouldThrow();
593 +        } catch (IndexOutOfBoundsException success) {}
594 +    }
595  
596 <            fail("List subList(int, int) should throw IndexOutofBounds exception");
597 <        }catch(IndexOutOfBoundsException e){}
596 >    /**
597 >     * a deserialized serialized list is equal
598 >     */
599 >    public void testSerialization() throws Exception {
600 >        List x = populatedArray(SIZE);
601 >        List y = serialClone(x);
602 >
603 >        assertTrue(x != y);
604 >        assertEquals(x.size(), y.size());
605 >        assertEquals(x.toString(), y.toString());
606 >        assertTrue(Arrays.equals(x.toArray(), y.toArray()));
607 >        assertEquals(x, y);
608 >        assertEquals(y, x);
609 >        while (!x.isEmpty()) {
610 >            assertFalse(y.isEmpty());
611 >            assertEquals(x.remove(0), y.remove(0));
612 >        }
613 >        assertTrue(y.isEmpty());
614      }
615 <    
615 >
616   }

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