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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 1.8 by jsr166, Mon Nov 2 20:28:31 2009 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/licenses/publicdomain
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.*;
12 + import java.io.*;
13 +
14 + public class CopyOnWriteArrayListTest extends JSR166TestCase{
15  
12 public class CopyOnWriteArrayListTest extends TestCase{
13    
16      public static void main(String[] args) {
17 <        junit.textui.TestRunner.run (suite());  
17 >        junit.textui.TestRunner.run (suite());
18      }
19  
20      public static Test suite() {
21          return new TestSuite(CopyOnWriteArrayListTest.class);
22      }
23  
24 <    static CopyOnWriteArrayList fullArray(int n){
24 >    static CopyOnWriteArrayList populatedArray(int n){
25          CopyOnWriteArrayList a = new CopyOnWriteArrayList();
26          assertTrue(a.isEmpty());
27 <        for (int i = 0; i < n; ++i)
27 >        for (int i = 0; i < n; ++i)
28              a.add(new Integer(i));
29          assertFalse(a.isEmpty());
30          assertEquals(n, a.size());
31          return a;
32      }
33  
34 +
35 +    /**
36 +     * a new list is empty
37 +     */
38 +    public void testConstructor() {
39 +        CopyOnWriteArrayList a = new CopyOnWriteArrayList();
40 +        assertTrue(a.isEmpty());
41 +    }
42 +
43 +    /**
44 +     * new list contains all elements of initializing array
45 +     */
46 +    public void testConstructor2() {
47 +        Integer[] ints = new Integer[SIZE];
48 +        for (int i = 0; i < SIZE-1; ++i)
49 +            ints[i] = new Integer(i);
50 +        CopyOnWriteArrayList a = new CopyOnWriteArrayList(ints);
51 +        for (int i = 0; i < SIZE; ++i)
52 +            assertEquals(ints[i], a.get(i));
53 +    }
54 +
55 +    /**
56 +     * new list contains all elements of initializing collection
57 +     */
58 +    public void testConstructor3() {
59 +        Integer[] ints = new Integer[SIZE];
60 +        for (int i = 0; i < SIZE-1; ++i)
61 +            ints[i] = new Integer(i);
62 +        CopyOnWriteArrayList a = new CopyOnWriteArrayList(Arrays.asList(ints));
63 +        for (int i = 0; i < SIZE; ++i)
64 +            assertEquals(ints[i], a.get(i));
65 +    }
66 +
67 +
68      /**
69 <     *  Test to verify addAll correctly adds each element from the given collection
69 >     *   addAll  adds each element from the given collection
70       */
71 <    public void testAddAll(){
72 <        CopyOnWriteArrayList full = fullArray(3);
71 >    public void testAddAll() {
72 >        CopyOnWriteArrayList full = populatedArray(3);
73          Vector v = new Vector();
74 <        v.add(new Integer(3));
75 <        v.add(new Integer(4));
76 <        v.add(new Integer(5));
74 >        v.add(three);
75 >        v.add(four);
76 >        v.add(five);
77          full.addAll(v);
78          assertEquals(6, full.size());
79      }
80  
81      /**
82 <     *  Test to verify addAllAbsent adds each element from the given collection that did not
82 >     *   addAllAbsent adds each element from the given collection that did not
83       *  already exist in the List
84       */
85 <    public void testAddAllAbsent(){
86 <        CopyOnWriteArrayList full = fullArray(3);
85 >    public void testAddAllAbsent() {
86 >        CopyOnWriteArrayList full = populatedArray(3);
87          Vector v = new Vector();
88 <        v.add(new Integer(3));
89 <        v.add(new Integer(4));
90 <        v.add(new Integer(1)); // will not add this element
88 >        v.add(three);
89 >        v.add(four);
90 >        v.add(one); // will not add this element
91          full.addAllAbsent(v);
92          assertEquals(5, full.size());
93      }
94  
95      /**
96 <     *  Test to verify addIfAbsent will not add the element if it already exists in the list
96 >     *   addIfAbsent will not add the element if it already exists in the list
97       */
98 <    public void testAddIfAbsent(){
99 <        CopyOnWriteArrayList full = fullArray(3);
100 <        full.addIfAbsent(new Integer(1));
101 <        assertEquals(3, full.size());
98 >    public void testAddIfAbsent() {
99 >        CopyOnWriteArrayList full = populatedArray(SIZE);
100 >        full.addIfAbsent(one);
101 >        assertEquals(SIZE, full.size());
102      }
103  
104      /**
105 <     *  test to verify addIfAbsent correctly adds the element when it does not exist in the list
105 >     *   addIfAbsent adds the element when it does not exist in the list
106       */
107 <    public void testAddIfAbsent2(){
108 <        CopyOnWriteArrayList full = fullArray(3);
109 <        full.addIfAbsent(new Integer(3));
110 <        assertTrue(full.contains(new Integer(3)));
107 >    public void testAddIfAbsent2() {
108 >        CopyOnWriteArrayList full = populatedArray(SIZE);
109 >        full.addIfAbsent(three);
110 >        assertTrue(full.contains(three));
111      }
112  
113      /**
114 <     *  Test to verify clear correctly removes all elements from the list
114 >     *   clear removes all elements from the list
115       */
116 <    public void testClear(){
117 <        CopyOnWriteArrayList full = fullArray(3);
116 >    public void testClear() {
117 >        CopyOnWriteArrayList full = populatedArray(SIZE);
118          full.clear();
119          assertEquals(0, full.size());
120      }
121  
122 +
123 +    /**
124 +     *  Cloned list is equal
125 +     */
126 +    public void testClone() {
127 +        CopyOnWriteArrayList l1 = populatedArray(SIZE);
128 +        CopyOnWriteArrayList l2 = (CopyOnWriteArrayList)(l1.clone());
129 +        assertEquals(l1, l2);
130 +        l1.clear();
131 +        assertFalse(l1.equals(l2));
132 +    }
133 +
134      /**
135 <     *  Test to verify contains returns the correct values
135 >     *   contains is true for added elements
136       */
137 <    public void testContains(){
138 <        CopyOnWriteArrayList full = fullArray(3);
139 <        assertTrue(full.contains(new Integer(1)));
140 <        assertFalse(full.contains(new Integer(5)));
137 >    public void testContains() {
138 >        CopyOnWriteArrayList full = populatedArray(3);
139 >        assertTrue(full.contains(one));
140 >        assertFalse(full.contains(five));
141      }
142  
143 +    /**
144 +     * adding at an index places it in the indicated index
145 +     */
146      public void testAddIndex() {
147 <        CopyOnWriteArrayList full = fullArray(3);
148 <        full.add(0, new Integer(-1));
147 >        CopyOnWriteArrayList full = populatedArray(3);
148 >        full.add(0, m1);
149          assertEquals(4, full.size());
150 <        assertEquals(new Integer(-1), full.get(0));
151 <        assertEquals(new Integer(0), full.get(1));
150 >        assertEquals(m1, full.get(0));
151 >        assertEquals(zero, full.get(1));
152  
153 <        full.add(2, new Integer(-2));
153 >        full.add(2, m2);
154          assertEquals(5, full.size());
155 <        assertEquals(new Integer(-2), full.get(2));
156 <        assertEquals(new Integer(2), full.get(4));
155 >        assertEquals(m2, full.get(2));
156 >        assertEquals(two, full.get(4));
157      }
158  
159 +    /**
160 +     * lists with same elements are equal and have same hashCode
161 +     */
162      public void testEquals() {
163 <        CopyOnWriteArrayList a = fullArray(3);
164 <        CopyOnWriteArrayList b = fullArray(3);
163 >        CopyOnWriteArrayList a = populatedArray(3);
164 >        CopyOnWriteArrayList b = populatedArray(3);
165          assertTrue(a.equals(b));
166          assertTrue(b.equals(a));
167          assertEquals(a.hashCode(), b.hashCode());
168 <        a.add(new Integer(-1));
168 >        a.add(m1);
169          assertFalse(a.equals(b));
170          assertFalse(b.equals(a));
171 <        b.add(new Integer(-1));
171 >        b.add(m1);
172          assertTrue(a.equals(b));
173          assertTrue(b.equals(a));
174          assertEquals(a.hashCode(), b.hashCode());
175      }
176  
177 <    
177 >
178      /**
179 <     *  Test to verify containsAll returns the correct values
179 >     *   containsAll returns true for collection with subset of elements
180       */
181 <    public void testContainsAll(){
182 <        CopyOnWriteArrayList full = fullArray(3);
181 >    public void testContainsAll() {
182 >        CopyOnWriteArrayList full = populatedArray(3);
183          Vector v = new Vector();
184 <        v.add(new Integer(1));
185 <        v.add(new Integer(2));
184 >        v.add(one);
185 >        v.add(two);
186          assertTrue(full.containsAll(v));
187 <        v.add(new Integer(6));
187 >        v.add(six);
188          assertFalse(full.containsAll(v));
189      }
190  
191      /**
192 <     *  Test to verify get returns the correct value for the given index
192 >     *   get returns the  value at the given index
193       */
194 <    public void testGet(){
195 <        CopyOnWriteArrayList full = fullArray(3);
194 >    public void testGet() {
195 >        CopyOnWriteArrayList full = populatedArray(3);
196          assertEquals(0, ((Integer)full.get(0)).intValue());
197      }
198  
199      /**
200 <     *  Test to verify indexOf gives the correct index for the given object
200 >     *   indexOf gives the index for the given object
201       */
202 <    public void testIndexOf(){
203 <        CopyOnWriteArrayList full = fullArray(3);
204 <        assertEquals(1, full.indexOf(new Integer(1)));
202 >    public void testIndexOf() {
203 >        CopyOnWriteArrayList full = populatedArray(3);
204 >        assertEquals(1, full.indexOf(one));
205          assertEquals(-1, full.indexOf("puppies"));
206      }
207  
208      /**
209 <     *  Test to verify indexOf gives the correct index based on the given index
209 >     *   indexOf gives the index based on the given index
210       *  at which to start searching
211       */
212 <    public void testIndexOf2(){
213 <        CopyOnWriteArrayList full = fullArray(3);
214 <        assertEquals(1, full.indexOf(new Integer(1), 0));
215 <        assertEquals(-1, full.indexOf(new Integer(1), 2));
212 >    public void testIndexOf2() {
213 >        CopyOnWriteArrayList full = populatedArray(3);
214 >        assertEquals(1, full.indexOf(one, 0));
215 >        assertEquals(-1, full.indexOf(one, 2));
216      }
217  
218      /**
219 <     *  Test to verify isEmpty returns the correct values
219 >     *   isEmpty returns true when empty, else false
220       */
221 <    public void testIsEmpty(){
221 >    public void testIsEmpty() {
222          CopyOnWriteArrayList empty = new CopyOnWriteArrayList();
223 <        CopyOnWriteArrayList full = fullArray(3);
223 >        CopyOnWriteArrayList full = populatedArray(SIZE);
224          assertTrue(empty.isEmpty());
225          assertFalse(full.isEmpty());
226      }
227  
228      /**
229 <     *  Test to verify iterator() returns an iterator containing the elements of the list
229 >     *   iterator() returns an iterator containing the elements of the list
230       */
231 <    public void testIterator(){
232 <        CopyOnWriteArrayList full = fullArray(3);
231 >    public void testIterator() {
232 >        CopyOnWriteArrayList full = populatedArray(SIZE);
233          Iterator i = full.iterator();
234          int j;
235          for(j = 0; i.hasNext(); j++)
236              assertEquals(j, ((Integer)i.next()).intValue());
237 <        assertEquals(3, j);
237 >        assertEquals(SIZE, j);
238      }
239  
240 +    /**
241 +     * iterator.remove throws UnsupportedOperationException
242 +     */
243      public void testIteratorRemove () {
244 <        CopyOnWriteArrayList full = fullArray(3);
244 >        CopyOnWriteArrayList full = populatedArray(SIZE);
245          Iterator it = full.iterator();
246          it.next();
247          try {
248              it.remove();
249 <            fail("should throw");
249 >            shouldThrow();
250          }
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);
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);
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, ((Integer)i.next()).intValue());
296 <        assertEquals(3, j);
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);
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++)
# Line 250 | Line 309 | public class CopyOnWriteArrayListTest ex
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));
314 >    public void testRemove() {
315 >        CopyOnWriteArrayList full = populatedArray(3);
316 >        assertEquals(two, 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);
323 >    public void testRemoveAll() {
324 >        CopyOnWriteArrayList full = populatedArray(3);
325          Vector v = new Vector();
326 <        v.add(new Integer(1));
327 <        v.add(new Integer(2));
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)));
335 >    public void testSet() {
336 >        CopyOnWriteArrayList full = populatedArray(3);
337 >        assertEquals(two, full.set(2, four));
338          assertEquals(4, ((Integer)full.get(2)).intValue());
339      }
340  
341      /**
342 <     *  Test to verify size returns the correct values
342 >     *   size returns the number of elements
343       */
344 <    public void testSize(){
344 >    public void testSize() {
345          CopyOnWriteArrayList empty = new CopyOnWriteArrayList();
346 <        CopyOnWriteArrayList full = fullArray(3);
347 <        assertEquals(3, full.size());
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);
354 >    public void testToArray() {
355 >        CopyOnWriteArrayList full = populatedArray(3);
356          Object[] o = full.toArray();
357          assertEquals(3, o.length);
358          assertEquals(0, ((Integer)o[0]).intValue());
# Line 302 | Line 361 | public class CopyOnWriteArrayListTest ex
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);
367 >    public void testToArray2() {
368 >        CopyOnWriteArrayList full = populatedArray(3);
369          Integer[] i = new Integer[3];
370          i = (Integer[])full.toArray(i);
371          assertEquals(3, i.length);
# Line 315 | Line 375 | public class CopyOnWriteArrayListTest ex
375      }
376  
377  
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) {
# Line 327 | Line 390 | public class CopyOnWriteArrayListTest ex
390              }
391          }
392  
330        Integer m1 = new Integer(-1);
393          List s = a.subList(2, 5);
394          assertEquals(s.size(), 3);
395 <        s.set(2, new Integer(m1));
395 >        s.set(2, m1);
396          assertEquals(a.get(4), m1);
397          s.clear();
398          assertEquals(a.size(), 7);
# Line 339 | Line 401 | public class CopyOnWriteArrayListTest ex
401      // Exception tests
402  
403      /**
404 <     *  Test to verify toArray throws an ArrayStoreException when the given array
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 e){}
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 e){}
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 e){}
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 e){}
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 e){}
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 e){}
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 e){}
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 e){}
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 e){}
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 e){}
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 e){}
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 e){}
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 e){}
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");
570 <        }catch(IndexOutOfBoundsException e){}
569 >            shouldThrow();
570 >        } catch(IndexOutOfBoundsException e){}
571      }
572  
573      /**
574 <     *  Test to verify subList throws an IndexOutOfBoundsException on a too high index
574 >     *   subList throws an IndexOutOfBoundsException on a too high index
575       */
576 <    public void testSubList2_IndexOutOfBoundsException(){
577 <        try{
576 >    public void testSubList2_IndexOutOfBoundsException() {
577 >        try {
578              CopyOnWriteArrayList c = new CopyOnWriteArrayList();
579              c.add("asdasd");
580              c.subList(1,100);
581 <            fail("List subList(int, int) should throw IndexOutofBounds exception");
582 <        }catch(IndexOutOfBoundsException e){}
581 >            shouldThrow();
582 >        } catch(IndexOutOfBoundsException e){}
583      }
584  
585      /**
586 <     *  Test to verify subList throws IndexOutOfBoundsException when the second index
587 <     *  is lower then the first
586 >     *   subList throws IndexOutOfBoundsException when the second index
587 >     *  is lower then the first
588       */
589 <    public void testSubList3_IndexOutOfBoundsException(){
590 <        try{
589 >    public void testSubList3_IndexOutOfBoundsException() {
590 >        try {
591              CopyOnWriteArrayList c = new CopyOnWriteArrayList();
592              c.subList(3,1);
593  
594 <            fail("List subList(int, int) should throw IndexOutofBounds exception");
595 <        }catch(IndexOutOfBoundsException e){}
594 >            shouldThrow();
595 >        } catch(IndexOutOfBoundsException e){}
596      }
597 <    
597 >
598 >    /**
599 >     * a deserialized serialiszed list is equal
600 >     */
601 >    public void testSerialization() {
602 >        CopyOnWriteArrayList q = populatedArray(SIZE);
603 >
604 >        try {
605 >            ByteArrayOutputStream bout = new ByteArrayOutputStream(10000);
606 >            ObjectOutputStream out = new ObjectOutputStream(new BufferedOutputStream(bout));
607 >            out.writeObject(q);
608 >            out.close();
609 >
610 >            ByteArrayInputStream bin = new ByteArrayInputStream(bout.toByteArray());
611 >            ObjectInputStream in = new ObjectInputStream(new BufferedInputStream(bin));
612 >            CopyOnWriteArrayList r = (CopyOnWriteArrayList)in.readObject();
613 >            assertEquals(q.size(), r.size());
614 >            assertTrue(q.equals(r));
615 >            assertTrue(r.equals(q));
616 >        } catch(Exception e){
617 >            unexpectedException();
618 >        }
619 >    }
620 >
621   }

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