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Comparing jsr166/src/test/tck/CopyOnWriteArrayListTest.java (file contents):
Revision 1.7 by dl, Mon Dec 29 19:05:40 2003 UTC vs.
Revision 1.35 by jsr166, Sat May 23 00:53:08 2015 UTC

# Line 1 | Line 1
1   /*
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.
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.*;
12 < import java.io.*;
9 > import java.util.ArrayList;
10 > import java.util.Arrays;
11 > import java.util.Collection;
12 > import java.util.Collections;
13 > import java.util.Iterator;
14 > import java.util.LinkedList;
15 > import java.util.List;
16 > import java.util.ListIterator;
17 > import java.util.NoSuchElementException;
18 > import java.util.concurrent.CopyOnWriteArrayList;
19 >
20 > import junit.framework.Test;
21 > import junit.framework.TestSuite;
22 >
23 > public class CopyOnWriteArrayListTest extends JSR166TestCase {
24  
14 public class CopyOnWriteArrayListTest extends JSR166TestCase{
15    
25      public static void main(String[] args) {
26 <        junit.textui.TestRunner.run (suite());  
26 >        main(suite(), args);
27      }
28  
29      public static Test suite() {
30 <        return new TestSuite(CopyOnWriteArrayListTest.class);
30 >        return new TestSuite(CopyOnWriteArrayListTest.class);
31      }
32  
33 <    static CopyOnWriteArrayList populatedArray(int n){
34 <        CopyOnWriteArrayList a = new CopyOnWriteArrayList();
33 >    static CopyOnWriteArrayList<Integer> populatedArray(int n) {
34 >        CopyOnWriteArrayList<Integer> a = new CopyOnWriteArrayList<Integer>();
35          assertTrue(a.isEmpty());
36 <        for (int i = 0; i < n; ++i)
37 <            a.add(new Integer(i));
36 >        for (int i = 0; i < n; i++)
37 >            a.add(i);
38          assertFalse(a.isEmpty());
39          assertEquals(n, a.size());
40          return a;
41      }
42  
43 +    static CopyOnWriteArrayList<Integer> populatedArray(Integer[] elements) {
44 +        CopyOnWriteArrayList<Integer> a = new CopyOnWriteArrayList<Integer>();
45 +        assertTrue(a.isEmpty());
46 +        for (int i = 0; i < elements.length; i++)
47 +            a.add(elements[i]);
48 +        assertFalse(a.isEmpty());
49 +        assertEquals(elements.length, a.size());
50 +        return a;
51 +    }
52  
53      /**
54       * a new list is empty
55       */
56      public void testConstructor() {
57 <        CopyOnWriteArrayList a = new CopyOnWriteArrayList();
57 >        CopyOnWriteArrayList a = new CopyOnWriteArrayList();
58          assertTrue(a.isEmpty());
59      }
60  
# Line 45 | Line 63 | public class CopyOnWriteArrayListTest ex
63       */
64      public void testConstructor2() {
65          Integer[] ints = new Integer[SIZE];
66 <        for (int i = 0; i < SIZE-1; ++i)
66 >        for (int i = 0; i < SIZE - 1; ++i)
67              ints[i] = new Integer(i);
68 <        CopyOnWriteArrayList a = new CopyOnWriteArrayList(ints);
69 <        for (int i = 0; i < SIZE; ++i)
68 >        CopyOnWriteArrayList a = new CopyOnWriteArrayList(ints);
69 >        for (int i = 0; i < SIZE; ++i)
70              assertEquals(ints[i], a.get(i));
71      }
72  
# Line 57 | Line 75 | public class CopyOnWriteArrayListTest ex
75       */
76      public void testConstructor3() {
77          Integer[] ints = new Integer[SIZE];
78 <        for (int i = 0; i < SIZE-1; ++i)
78 >        for (int i = 0; i < SIZE - 1; ++i)
79              ints[i] = new Integer(i);
80 <        CopyOnWriteArrayList a = new CopyOnWriteArrayList(Arrays.asList(ints));
81 <        for (int i = 0; i < SIZE; ++i)
80 >        CopyOnWriteArrayList a = new CopyOnWriteArrayList(Arrays.asList(ints));
81 >        for (int i = 0; i < SIZE; ++i)
82              assertEquals(ints[i], a.get(i));
83      }
66        
84  
85      /**
86 <     *   addAll  adds each element from the given collection
86 >     * addAll adds each element from the given collection, including duplicates
87       */
88      public void testAddAll() {
89 <        CopyOnWriteArrayList full = populatedArray(3);
90 <        Vector v = new Vector();
91 <        v.add(three);
92 <        v.add(four);
93 <        v.add(five);
77 <        full.addAll(v);
78 <        assertEquals(6, full.size());
89 >        CopyOnWriteArrayList full = populatedArray(3);
90 >        assertTrue(full.addAll(Arrays.asList(three, four, five)));
91 >        assertEquals(6, full.size());
92 >        assertTrue(full.addAll(Arrays.asList(three, four, five)));
93 >        assertEquals(9, full.size());
94      }
95  
96      /**
97 <     *   addAllAbsent adds each element from the given collection that did not
98 <     *  already exist in the List
97 >     * addAllAbsent adds each element from the given collection that did not
98 >     * already exist in the List
99       */
100      public void testAddAllAbsent() {
101 <        CopyOnWriteArrayList full = populatedArray(3);
102 <        Vector v = new Vector();
103 <        v.add(three);
104 <        v.add(four);
105 <        v.add(one); // will not add this element
106 <        full.addAllAbsent(v);
92 <        assertEquals(5, full.size());
101 >        CopyOnWriteArrayList full = populatedArray(3);
102 >        // "one" is duplicate and will not be added
103 >        assertEquals(2, full.addAllAbsent(Arrays.asList(three, four, one)));
104 >        assertEquals(5, full.size());
105 >        assertEquals(0, full.addAllAbsent(Arrays.asList(three, four, one)));
106 >        assertEquals(5, full.size());
107      }
108  
109      /**
110 <     *   addIfAbsent will not add the element if it already exists in the list
110 >     * addIfAbsent will not add the element if it already exists in the list
111       */
112      public void testAddIfAbsent() {
113 <        CopyOnWriteArrayList full = populatedArray(SIZE);
114 <        full.addIfAbsent(one);
115 <        assertEquals(SIZE, full.size());
113 >        CopyOnWriteArrayList full = populatedArray(SIZE);
114 >        full.addIfAbsent(one);
115 >        assertEquals(SIZE, full.size());
116      }
117  
118      /**
119 <     *   addIfAbsent adds the element when it does not exist in the list
119 >     * addIfAbsent adds the element when it does not exist in the list
120       */
121      public void testAddIfAbsent2() {
122 <        CopyOnWriteArrayList full = populatedArray(SIZE);
122 >        CopyOnWriteArrayList full = populatedArray(SIZE);
123          full.addIfAbsent(three);
124          assertTrue(full.contains(three));
125      }
126  
127      /**
128 <     *   clear removes all elements from the list
128 >     * clear removes all elements from the list
129       */
130      public void testClear() {
131 <        CopyOnWriteArrayList full = populatedArray(SIZE);
132 <        full.clear();
133 <        assertEquals(0, full.size());
131 >        CopyOnWriteArrayList full = populatedArray(SIZE);
132 >        full.clear();
133 >        assertEquals(0, full.size());
134      }
135  
122
136      /**
137 <     *  Cloned list is equal
137 >     * Cloned list is equal
138       */
139      public void testClone() {
140 <        CopyOnWriteArrayList l1 = populatedArray(SIZE);
141 <        CopyOnWriteArrayList l2 = (CopyOnWriteArrayList)(l1.clone());
140 >        CopyOnWriteArrayList l1 = populatedArray(SIZE);
141 >        CopyOnWriteArrayList l2 = (CopyOnWriteArrayList)(l1.clone());
142          assertEquals(l1, l2);
143 <        l1.clear();
143 >        l1.clear();
144          assertFalse(l1.equals(l2));
145      }
146  
147      /**
148 <     *   contains is true for added elements
148 >     * contains is true for added elements
149       */
150      public void testContains() {
151 <        CopyOnWriteArrayList full = populatedArray(3);
152 <        assertTrue(full.contains(one));
153 <        assertFalse(full.contains(five));
151 >        CopyOnWriteArrayList full = populatedArray(3);
152 >        assertTrue(full.contains(one));
153 >        assertFalse(full.contains(five));
154      }
155  
156      /**
157       * adding at an index places it in the indicated index
158       */
159      public void testAddIndex() {
160 <        CopyOnWriteArrayList full = populatedArray(3);
160 >        CopyOnWriteArrayList full = populatedArray(3);
161          full.add(0, m1);
162          assertEquals(4, full.size());
163          assertEquals(m1, full.get(0));
# Line 160 | Line 173 | public class CopyOnWriteArrayListTest ex
173       * lists with same elements are equal and have same hashCode
174       */
175      public void testEquals() {
176 <        CopyOnWriteArrayList a = populatedArray(3);
177 <        CopyOnWriteArrayList b = populatedArray(3);
176 >        CopyOnWriteArrayList a = populatedArray(3);
177 >        CopyOnWriteArrayList b = populatedArray(3);
178          assertTrue(a.equals(b));
179          assertTrue(b.equals(a));
180          assertEquals(a.hashCode(), b.hashCode());
# Line 174 | Line 187 | public class CopyOnWriteArrayListTest ex
187          assertEquals(a.hashCode(), b.hashCode());
188      }
189  
177    
190      /**
191 <     *   containsAll returns true for collection with subset of elements
191 >     * containsAll returns true for collection with subset of elements
192       */
193      public void testContainsAll() {
194 <        CopyOnWriteArrayList full = populatedArray(3);
195 <        Vector v = new Vector();
196 <        v.add(one);
197 <        v.add(two);
198 <        assertTrue(full.containsAll(v));
199 <        v.add(six);
188 <        assertFalse(full.containsAll(v));
194 >        CopyOnWriteArrayList full = populatedArray(3);
195 >        assertTrue(full.containsAll(Arrays.asList()));
196 >        assertTrue(full.containsAll(Arrays.asList(one)));
197 >        assertTrue(full.containsAll(Arrays.asList(one, two)));
198 >        assertFalse(full.containsAll(Arrays.asList(one, two, six)));
199 >        assertFalse(full.containsAll(Arrays.asList(six)));
200      }
201  
202      /**
203 <     *   get returns the  value at the given index
203 >     * get returns the value at the given index
204       */
205      public void testGet() {
206 <        CopyOnWriteArrayList full = populatedArray(3);
207 <        assertEquals(0, ((Integer)full.get(0)).intValue());
206 >        CopyOnWriteArrayList full = populatedArray(3);
207 >        assertEquals(0, full.get(0));
208      }
209  
210      /**
211 <     *   indexOf gives the index for the given object
211 >     * indexOf gives the index for the given object
212       */
213      public void testIndexOf() {
214 <        CopyOnWriteArrayList full = populatedArray(3);
215 <        assertEquals(1, full.indexOf(one));
216 <        assertEquals(-1, full.indexOf("puppies"));
214 >        CopyOnWriteArrayList full = populatedArray(3);
215 >        assertEquals(1, full.indexOf(one));
216 >        assertEquals(-1, full.indexOf("puppies"));
217      }
218  
219      /**
220 <     *   indexOf gives the index based on the given index
221 <     *  at which to start searching
220 >     * indexOf gives the index based on the given index
221 >     * at which to start searching
222       */
223      public void testIndexOf2() {
224 <        CopyOnWriteArrayList full = populatedArray(3);
225 <        assertEquals(1, full.indexOf(one, 0));
226 <        assertEquals(-1, full.indexOf(one, 2));
224 >        CopyOnWriteArrayList full = populatedArray(3);
225 >        assertEquals(1, full.indexOf(one, 0));
226 >        assertEquals(-1, full.indexOf(one, 2));
227      }
228  
229      /**
230 <     *   isEmpty returns true when empty, else false
230 >     * isEmpty returns true when empty, else false
231       */
232      public void testIsEmpty() {
233 <        CopyOnWriteArrayList empty = new CopyOnWriteArrayList();
234 <        CopyOnWriteArrayList full = populatedArray(SIZE);
235 <        assertTrue(empty.isEmpty());
236 <        assertFalse(full.isEmpty());
233 >        CopyOnWriteArrayList empty = new CopyOnWriteArrayList();
234 >        CopyOnWriteArrayList full = populatedArray(SIZE);
235 >        assertTrue(empty.isEmpty());
236 >        assertFalse(full.isEmpty());
237      }
238  
239      /**
240 <     *   iterator() returns an iterator containing the elements of the list
240 >     * iterator() returns an iterator containing the elements of the
241 >     * list in insertion order
242       */
243      public void testIterator() {
244 <        CopyOnWriteArrayList full = populatedArray(SIZE);
245 <        Iterator i = full.iterator();
246 <        int j;
247 <        for(j = 0; i.hasNext(); j++)
248 <            assertEquals(j, ((Integer)i.next()).intValue());
249 <        assertEquals(SIZE, j);
244 >        Collection empty = new CopyOnWriteArrayList();
245 >        assertFalse(empty.iterator().hasNext());
246 >        try {
247 >            empty.iterator().next();
248 >            shouldThrow();
249 >        } catch (NoSuchElementException success) {}
250 >
251 >        Integer[] elements = new Integer[SIZE];
252 >        for (int i = 0; i < SIZE; i++)
253 >            elements[i] = i;
254 >        Collections.shuffle(Arrays.asList(elements));
255 >        Collection<Integer> full = populatedArray(elements);
256 >
257 >        Iterator it = full.iterator();
258 >        for (int j = 0; j < SIZE; j++) {
259 >            assertTrue(it.hasNext());
260 >            assertEquals(elements[j], it.next());
261 >        }
262 >        assertIteratorExhausted(it);
263 >    }
264 >
265 >    /**
266 >     * iterator of empty collection has no elements
267 >     */
268 >    public void testEmptyIterator() {
269 >        Collection c = new CopyOnWriteArrayList();
270 >        assertIteratorExhausted(c.iterator());
271      }
272  
273      /**
274       * iterator.remove throws UnsupportedOperationException
275       */
276 <    public void testIteratorRemove () {
277 <        CopyOnWriteArrayList full = populatedArray(SIZE);
276 >    public void testIteratorRemove() {
277 >        CopyOnWriteArrayList full = populatedArray(SIZE);
278          Iterator it = full.iterator();
279          it.next();
280          try {
281              it.remove();
282              shouldThrow();
283 <        }
251 <        catch (UnsupportedOperationException success) {}
283 >        } catch (UnsupportedOperationException success) {}
284      }
285  
286      /**
287       * toString contains toString of elements
288       */
289      public void testToString() {
290 <        CopyOnWriteArrayList full = populatedArray(3);
290 >        assertEquals("[]", new CopyOnWriteArrayList().toString());
291 >        CopyOnWriteArrayList full = populatedArray(3);
292          String s = full.toString();
293 <        for (int i = 0; i < 3; ++i) {
294 <            assertTrue(s.indexOf(String.valueOf(i)) >= 0);
295 <        }
296 <    }        
293 >        for (int i = 0; i < 3; ++i)
294 >            assertTrue(s.contains(String.valueOf(i)));
295 >        assertEquals(new ArrayList(full).toString(),
296 >                     full.toString());
297 >    }
298  
299      /**
300 <     *   lastIndexOf returns the index for the given object
300 >     * lastIndexOf returns the index for the given object
301       */
302      public void testLastIndexOf1() {
303 <        CopyOnWriteArrayList full = populatedArray(3);
304 <        full.add(one);
305 <        full.add(three);
306 <        assertEquals(3, full.lastIndexOf(one));
307 <        assertEquals(-1, full.lastIndexOf(six));
303 >        CopyOnWriteArrayList full = populatedArray(3);
304 >        full.add(one);
305 >        full.add(three);
306 >        assertEquals(3, full.lastIndexOf(one));
307 >        assertEquals(-1, full.lastIndexOf(six));
308      }
309  
310      /**
311 <     *   lastIndexOf returns the index from the given starting point
311 >     * lastIndexOf returns the index from the given starting point
312       */
313 <    public void testlastIndexOf2() {
314 <        CopyOnWriteArrayList full = populatedArray(3);
315 <        full.add(one);
316 <        full.add(three);
317 <        assertEquals(3, full.lastIndexOf(one, 4));
318 <        assertEquals(-1, full.lastIndexOf(three, 3));
313 >    public void testLastIndexOf2() {
314 >        CopyOnWriteArrayList full = populatedArray(3);
315 >        full.add(one);
316 >        full.add(three);
317 >        assertEquals(3, full.lastIndexOf(one, 4));
318 >        assertEquals(-1, full.lastIndexOf(three, 3));
319      }
320  
321      /**
322 <     *  listIterator traverses all elements
322 >     * listIterator traverses all elements
323       */
324      public void testListIterator1() {
325 <        CopyOnWriteArrayList full = populatedArray(SIZE);
326 <        ListIterator i = full.listIterator();
327 <        int j;
328 <        for(j = 0; i.hasNext(); j++)
329 <            assertEquals(j, ((Integer)i.next()).intValue());
330 <        assertEquals(SIZE, j);
325 >        CopyOnWriteArrayList full = populatedArray(SIZE);
326 >        ListIterator i = full.listIterator();
327 >        int j;
328 >        for (j = 0; i.hasNext(); j++)
329 >            assertEquals(j, i.next());
330 >        assertEquals(SIZE, j);
331      }
332  
333      /**
334 <     *  listIterator only returns those elements after the given index
334 >     * listIterator only returns those elements after the given index
335       */
336      public void testListIterator2() {
337 <        CopyOnWriteArrayList full = populatedArray(3);
338 <        ListIterator i = full.listIterator(1);
339 <        int j;
340 <        for(j = 0; i.hasNext(); j++)
341 <            assertEquals(j+1, ((Integer)i.next()).intValue());
342 <        assertEquals(2, j);
337 >        CopyOnWriteArrayList full = populatedArray(3);
338 >        ListIterator i = full.listIterator(1);
339 >        int j;
340 >        for (j = 0; i.hasNext(); j++)
341 >            assertEquals(j+1, i.next());
342 >        assertEquals(2, j);
343      }
344  
345      /**
346 <     *   remove  removes and returns the object at the given index
346 >     * remove(int) removes and returns the object at the given index
347 >     */
348 >    public void testRemove_int() {
349 >        int SIZE = 3;
350 >        for (int i = 0; i < SIZE; i++) {
351 >            CopyOnWriteArrayList full = populatedArray(SIZE);
352 >            assertEquals(i, full.remove(i));
353 >            assertEquals(SIZE - 1, full.size());
354 >            assertFalse(full.contains(new Integer(i)));
355 >        }
356 >    }
357 >
358 >    /**
359 >     * remove(Object) removes the object if found and returns true
360       */
361 <    public void testRemove() {
362 <        CopyOnWriteArrayList full = populatedArray(3);
363 <        assertEquals(two, full.remove(2));
364 <        assertEquals(2, full.size());
361 >    public void testRemove_Object() {
362 >        int SIZE = 3;
363 >        for (int i = 0; i < SIZE; i++) {
364 >            CopyOnWriteArrayList full = populatedArray(SIZE);
365 >            assertFalse(full.remove(new Integer(-42)));
366 >            assertTrue(full.remove(new Integer(i)));
367 >            assertEquals(SIZE - 1, full.size());
368 >            assertFalse(full.contains(new Integer(i)));
369 >        }
370 >        CopyOnWriteArrayList x = new CopyOnWriteArrayList(Arrays.asList(4, 5, 6));
371 >        assertTrue(x.remove(new Integer(6)));
372 >        assertEquals(x, Arrays.asList(4, 5));
373 >        assertTrue(x.remove(new Integer(4)));
374 >        assertEquals(x, Arrays.asList(5));
375 >        assertTrue(x.remove(new Integer(5)));
376 >        assertEquals(x, Arrays.asList());
377 >        assertFalse(x.remove(new Integer(5)));
378      }
379  
380      /**
381 <     *   removeAll  removes all elements from the given collection
381 >     * removeAll removes all elements from the given collection
382       */
383      public void testRemoveAll() {
384 <        CopyOnWriteArrayList full = populatedArray(3);
385 <        Vector v = new Vector();
386 <        v.add(one);
387 <        v.add(two);
388 <        full.removeAll(v);
329 <        assertEquals(1, full.size());
384 >        CopyOnWriteArrayList full = populatedArray(3);
385 >        assertTrue(full.removeAll(Arrays.asList(one, two)));
386 >        assertEquals(1, full.size());
387 >        assertFalse(full.removeAll(Arrays.asList(one, two)));
388 >        assertEquals(1, full.size());
389      }
390  
391      /**
392 <     *   set  changes the element at the given index
392 >     * set changes the element at the given index
393       */
394      public void testSet() {
395 <        CopyOnWriteArrayList full = populatedArray(3);
396 <        assertEquals(two, full.set(2, four));
397 <        assertEquals(4, ((Integer)full.get(2)).intValue());
395 >        CopyOnWriteArrayList full = populatedArray(3);
396 >        assertEquals(2, full.set(2, four));
397 >        assertEquals(4, full.get(2));
398      }
399  
400      /**
401 <     *   size returns the number of elements
401 >     * size returns the number of elements
402       */
403      public void testSize() {
404 <        CopyOnWriteArrayList empty = new CopyOnWriteArrayList();
405 <        CopyOnWriteArrayList full = populatedArray(SIZE);
406 <        assertEquals(SIZE, full.size());
407 <        assertEquals(0, empty.size());
404 >        CopyOnWriteArrayList empty = new CopyOnWriteArrayList();
405 >        CopyOnWriteArrayList full = populatedArray(SIZE);
406 >        assertEquals(SIZE, full.size());
407 >        assertEquals(0, empty.size());
408      }
409  
410      /**
411 <     *   toArray returns an Object array containing all elements from the list
411 >     * toArray() returns an Object array containing all elements from
412 >     * the list in insertion order
413       */
414      public void testToArray() {
415 <        CopyOnWriteArrayList full = populatedArray(3);
416 <        Object[] o = full.toArray();
417 <        assertEquals(3, o.length);
418 <        assertEquals(0, ((Integer)o[0]).intValue());
419 <        assertEquals(1, ((Integer)o[1]).intValue());
420 <        assertEquals(2, ((Integer)o[2]).intValue());
415 >        Object[] a = new CopyOnWriteArrayList().toArray();
416 >        assertTrue(Arrays.equals(new Object[0], a));
417 >        assertSame(Object[].class, a.getClass());
418 >
419 >        Integer[] elements = new Integer[SIZE];
420 >        for (int i = 0; i < SIZE; i++)
421 >            elements[i] = i;
422 >        Collections.shuffle(Arrays.asList(elements));
423 >        Collection<Integer> full = populatedArray(elements);
424 >
425 >        assertTrue(Arrays.equals(elements, full.toArray()));
426 >        assertSame(Object[].class, full.toArray().getClass());
427      }
428  
429      /**
430 <     *   toArray returns an Integer array containing all elements from
431 <     *   the list
430 >     * toArray(Integer array) returns an Integer array containing all
431 >     * elements from the list in insertion order
432       */
433      public void testToArray2() {
434 <        CopyOnWriteArrayList full = populatedArray(3);
435 <        Integer[] i = new Integer[3];
436 <        i = (Integer[])full.toArray(i);
437 <        assertEquals(3, i.length);
438 <        assertEquals(0, i[0].intValue());
373 <        assertEquals(1, i[1].intValue());
374 <        assertEquals(2, i[2].intValue());
375 <    }
434 >        Collection empty = new CopyOnWriteArrayList();
435 >        Integer[] a;
436 >
437 >        a = new Integer[0];
438 >        assertSame(a, empty.toArray(a));
439  
440 +        a = new Integer[SIZE / 2];
441 +        Arrays.fill(a, 42);
442 +        assertSame(a, empty.toArray(a));
443 +        assertNull(a[0]);
444 +        for (int i = 1; i < a.length; i++)
445 +            assertEquals(42, (int) a[i]);
446 +
447 +        Integer[] elements = new Integer[SIZE];
448 +        for (int i = 0; i < SIZE; i++)
449 +            elements[i] = i;
450 +        Collections.shuffle(Arrays.asList(elements));
451 +        Collection<Integer> full = populatedArray(elements);
452 +
453 +        Arrays.fill(a, 42);
454 +        assertTrue(Arrays.equals(elements, full.toArray(a)));
455 +        for (int i = 0; i < a.length; i++)
456 +            assertEquals(42, (int) a[i]);
457 +        assertSame(Integer[].class, full.toArray(a).getClass());
458 +
459 +        a = new Integer[SIZE];
460 +        Arrays.fill(a, 42);
461 +        assertSame(a, full.toArray(a));
462 +        assertTrue(Arrays.equals(elements, a));
463 +
464 +        a = new Integer[2 * SIZE];
465 +        Arrays.fill(a, 42);
466 +        assertSame(a, full.toArray(a));
467 +        assertTrue(Arrays.equals(elements, Arrays.copyOf(a, SIZE)));
468 +        assertNull(a[SIZE]);
469 +        for (int i = SIZE + 1; i < a.length; i++)
470 +            assertEquals(42, (int) a[i]);
471 +    }
472  
473      /**
474       * sublists contains elements at indexes offset from their base
475       */
476      public void testSubList() {
477 <        CopyOnWriteArrayList a = populatedArray(10);
477 >        CopyOnWriteArrayList a = populatedArray(10);
478          assertTrue(a.subList(1,1).isEmpty());
479 <        for(int j = 0; j < 9; ++j) {
480 <            for(int i = j ; i < 10; ++i) {
481 <                List b = a.subList(j,i);
482 <                for(int k = j; k < i; ++k) {
483 <                    assertEquals(new Integer(k), b.get(k-j));
484 <                }
485 <            }
486 <        }
479 >        for (int j = 0; j < 9; ++j) {
480 >            for (int i = j ; i < 10; ++i) {
481 >                List b = a.subList(j,i);
482 >                for (int k = j; k < i; ++k) {
483 >                    assertEquals(new Integer(k), b.get(k-j));
484 >                }
485 >            }
486 >        }
487  
488 <        List s = a.subList(2, 5);
489 <        assertEquals(s.size(), 3);
488 >        List s = a.subList(2, 5);
489 >        assertEquals(3, s.size());
490          s.set(2, m1);
491          assertEquals(a.get(4), m1);
492 <        s.clear();
493 <        assertEquals(a.size(), 7);
492 >        s.clear();
493 >        assertEquals(7, a.size());
494      }
495  
496      // Exception tests
497  
498      /**
499 <     *   toArray throws an ArrayStoreException when the given array
500 <     *  can not store the objects inside the list
499 >     * toArray throws an ArrayStoreException when the given array
500 >     * can not store the objects inside the list
501       */
502      public void testToArray_ArrayStoreException() {
503 +        CopyOnWriteArrayList c = new CopyOnWriteArrayList();
504 +        c.add("zfasdfsdf");
505 +        c.add("asdadasd");
506          try {
409            CopyOnWriteArrayList c = new CopyOnWriteArrayList();
410            c.add("zfasdfsdf");
411            c.add("asdadasd");
507              c.toArray(new Long[5]);
508 <            shouldThrow();
509 <        } catch(ArrayStoreException e){}
508 >            shouldThrow();
509 >        } catch (ArrayStoreException success) {}
510      }
511  
512      /**
513 <     *   get throws an IndexOutOfBoundsException on a negative index
513 >     * get throws an IndexOutOfBoundsException on a negative index
514       */
515      public void testGet1_IndexOutOfBoundsException() {
516 <        try {
517 <            CopyOnWriteArrayList c = new CopyOnWriteArrayList();
518 <            c.get(-1);
519 <            shouldThrow();
520 <        } catch(IndexOutOfBoundsException e){}
516 >        CopyOnWriteArrayList c = populatedArray(5);
517 >        List[] lists = { c, c.subList(1, c.size() - 1) };
518 >        for (List list : lists) {
519 >            try {
520 >                list.get(-1);
521 >                shouldThrow();
522 >            } catch (IndexOutOfBoundsException success) {}
523 >        }
524      }
525 <    
525 >
526      /**
527 <     *   get throws an IndexOutOfBoundsException on a too high index
527 >     * get throws an IndexOutOfBoundsException on a too high index
528       */
529      public void testGet2_IndexOutOfBoundsException() {
530 <        try {
531 <            CopyOnWriteArrayList c = new CopyOnWriteArrayList();
532 <            c.add("asdasd");
533 <            c.add("asdad");
534 <            c.get(100);
535 <            shouldThrow();
536 <        } catch(IndexOutOfBoundsException e){}
530 >        CopyOnWriteArrayList c = populatedArray(5);
531 >        List[] lists = { c, c.subList(1, c.size() - 1) };
532 >        for (List list : lists) {
533 >            try {
534 >                list.get(list.size());
535 >                shouldThrow();
536 >            } catch (IndexOutOfBoundsException success) {}
537 >        }
538      }
539  
540      /**
541 <     *   set throws an IndexOutOfBoundsException on a negative index
541 >     * set throws an IndexOutOfBoundsException on a negative index
542       */
543      public void testSet1_IndexOutOfBoundsException() {
544 <        try {
545 <            CopyOnWriteArrayList c = new CopyOnWriteArrayList();
546 <            c.set(-1,"qwerty");
547 <            shouldThrow();
548 <        } catch(IndexOutOfBoundsException e){}
544 >        CopyOnWriteArrayList c = populatedArray(5);
545 >        List[] lists = { c, c.subList(1, c.size() - 1) };
546 >        for (List list : lists) {
547 >            try {
548 >                list.set(-1, "qwerty");
549 >                shouldThrow();
550 >            } catch (IndexOutOfBoundsException success) {}
551 >        }
552      }
553 <    
553 >
554      /**
555 <     *   set throws an IndexOutOfBoundsException on a too high index
555 >     * set throws an IndexOutOfBoundsException on a too high index
556       */
557      public void testSet2() {
558 <        try {
559 <            CopyOnWriteArrayList c = new CopyOnWriteArrayList();
560 <            c.add("asdasd");
561 <            c.add("asdad");
562 <            c.set(100, "qwerty");
563 <            shouldThrow();
564 <        } catch(IndexOutOfBoundsException e){}
558 >        CopyOnWriteArrayList c = populatedArray(5);
559 >        List[] lists = { c, c.subList(1, c.size() - 1) };
560 >        for (List list : lists) {
561 >            try {
562 >                list.set(list.size(), "qwerty");
563 >                shouldThrow();
564 >            } catch (IndexOutOfBoundsException success) {}
565 >        }
566      }
567  
568      /**
569 <     *   add throws an IndexOutOfBoundsException on a negative index
569 >     * add throws an IndexOutOfBoundsException on a negative index
570       */
571      public void testAdd1_IndexOutOfBoundsException() {
572 <        try {
573 <            CopyOnWriteArrayList c = new CopyOnWriteArrayList();
574 <            c.add(-1,"qwerty");
575 <            shouldThrow();
576 <        } catch(IndexOutOfBoundsException e){}
572 >        CopyOnWriteArrayList c = populatedArray(5);
573 >        List[] lists = { c, c.subList(1, c.size() - 1) };
574 >        for (List list : lists) {
575 >            try {
576 >                list.add(-1, "qwerty");
577 >                shouldThrow();
578 >            } catch (IndexOutOfBoundsException success) {}
579 >        }
580      }
581 <    
581 >
582      /**
583 <     *   add throws an IndexOutOfBoundsException on a too high index
583 >     * add throws an IndexOutOfBoundsException on a too high index
584       */
585      public void testAdd2_IndexOutOfBoundsException() {
586 <        try {
587 <            CopyOnWriteArrayList c = new CopyOnWriteArrayList();
588 <            c.add("asdasd");
589 <            c.add("asdasdasd");
590 <            c.add(100, "qwerty");
591 <            shouldThrow();
592 <        } catch(IndexOutOfBoundsException e){}
586 >        CopyOnWriteArrayList c = populatedArray(5);
587 >        List[] lists = { c, c.subList(1, c.size() - 1) };
588 >        for (List list : lists) {
589 >            try {
590 >                list.add(list.size() + 1, "qwerty");
591 >                shouldThrow();
592 >            } catch (IndexOutOfBoundsException success) {}
593 >        }
594      }
595  
596      /**
597 <     *   remove throws an IndexOutOfBoundsException on a negative index
597 >     * remove throws an IndexOutOfBoundsException on a negative index
598       */
599      public void testRemove1_IndexOutOfBounds() {
600 <        try {
601 <            CopyOnWriteArrayList c = new CopyOnWriteArrayList();
602 <            c.remove(-1);
603 <            shouldThrow();
604 <        } catch(IndexOutOfBoundsException e){}
600 >        CopyOnWriteArrayList c = populatedArray(5);
601 >        List[] lists = { c, c.subList(1, c.size() - 1) };
602 >        for (List list : lists) {
603 >            try {
604 >                list.remove(-1);
605 >                shouldThrow();
606 >            } catch (IndexOutOfBoundsException success) {}
607 >        }
608      }
609  
610      /**
611 <     *   remove throws an IndexOutOfBoundsException on a too high index
611 >     * remove throws an IndexOutOfBoundsException on a too high index
612       */
613      public void testRemove2_IndexOutOfBounds() {
614 <        try {
615 <            CopyOnWriteArrayList c = new CopyOnWriteArrayList();
616 <            c.add("asdasd");
617 <            c.add("adasdasd");
618 <            c.remove(100);
619 <            shouldThrow();
620 <        } catch(IndexOutOfBoundsException e){}
614 >        CopyOnWriteArrayList c = populatedArray(5);
615 >        List[] lists = { c, c.subList(1, c.size() - 1) };
616 >        for (List list : lists) {
617 >            try {
618 >                list.remove(list.size());
619 >                shouldThrow();
620 >            } catch (IndexOutOfBoundsException success) {}
621 >        }
622      }
623 <    
623 >
624      /**
625 <     *   addAll throws an IndexOutOfBoundsException on a negative index
625 >     * addAll throws an IndexOutOfBoundsException on a negative index
626       */
627      public void testAddAll1_IndexOutOfBoundsException() {
628 <        try {
629 <            CopyOnWriteArrayList c = new CopyOnWriteArrayList();
630 <            c.addAll(-1,new LinkedList());
631 <            shouldThrow();
632 <        } catch(IndexOutOfBoundsException e){}
628 >        CopyOnWriteArrayList c = populatedArray(5);
629 >        List[] lists = { c, c.subList(1, c.size() - 1) };
630 >        for (List list : lists) {
631 >            try {
632 >                list.addAll(-1, new LinkedList());
633 >                shouldThrow();
634 >            } catch (IndexOutOfBoundsException success) {}
635 >        }
636      }
637 <    
637 >
638      /**
639 <     *   addAll throws an IndexOutOfBoundsException on a too high index
639 >     * addAll throws an IndexOutOfBoundsException on a too high index
640       */
641      public void testAddAll2_IndexOutOfBoundsException() {
642 <        try {
643 <            CopyOnWriteArrayList c = new CopyOnWriteArrayList();
644 <            c.add("asdasd");
645 <            c.add("asdasdasd");
646 <            c.addAll(100, new LinkedList());
647 <            shouldThrow();
648 <        } catch(IndexOutOfBoundsException e){}
642 >        CopyOnWriteArrayList c = populatedArray(5);
643 >        List[] lists = { c, c.subList(1, c.size() - 1) };
644 >        for (List list : lists) {
645 >            try {
646 >                list.addAll(list.size() + 1, new LinkedList());
647 >                shouldThrow();
648 >            } catch (IndexOutOfBoundsException success) {}
649 >        }
650      }
651  
652      /**
653 <     *   listIterator throws an IndexOutOfBoundsException on a negative index
653 >     * listIterator throws an IndexOutOfBoundsException on a negative index
654       */
655      public void testListIterator1_IndexOutOfBoundsException() {
656 <        try {
657 <            CopyOnWriteArrayList c = new CopyOnWriteArrayList();
658 <            c.listIterator(-1);
659 <            shouldThrow();
660 <        } catch(IndexOutOfBoundsException e){}
656 >        CopyOnWriteArrayList c = populatedArray(5);
657 >        List[] lists = { c, c.subList(1, c.size() - 1) };
658 >        for (List list : lists) {
659 >            try {
660 >                list.listIterator(-1);
661 >                shouldThrow();
662 >            } catch (IndexOutOfBoundsException success) {}
663 >        }
664      }
665  
666      /**
667 <     *   listIterator throws an IndexOutOfBoundsException on a too high index
667 >     * listIterator throws an IndexOutOfBoundsException on a too high index
668       */
669      public void testListIterator2_IndexOutOfBoundsException() {
670 <        try {
671 <            CopyOnWriteArrayList c = new CopyOnWriteArrayList();
672 <            c.add("adasd");
673 <            c.add("asdasdas");
674 <            c.listIterator(100);
675 <            shouldThrow();
676 <        } catch(IndexOutOfBoundsException e){}
670 >        CopyOnWriteArrayList c = populatedArray(5);
671 >        List[] lists = { c, c.subList(1, c.size() - 1) };
672 >        for (List list : lists) {
673 >            try {
674 >                list.listIterator(list.size() + 1);
675 >                shouldThrow();
676 >            } catch (IndexOutOfBoundsException success) {}
677 >        }
678      }
679  
680      /**
681 <     *   subList throws an IndexOutOfBoundsException on a negative index
681 >     * subList throws an IndexOutOfBoundsException on a negative index
682       */
683      public void testSubList1_IndexOutOfBoundsException() {
684 <        try {
685 <            CopyOnWriteArrayList c = new CopyOnWriteArrayList();
686 <            c.subList(-1,100);
687 <
688 <            shouldThrow();
689 <        } catch(IndexOutOfBoundsException e){}
684 >        CopyOnWriteArrayList c = populatedArray(5);
685 >        List[] lists = { c, c.subList(1, c.size() - 1) };
686 >        for (List list : lists) {
687 >            try {
688 >                list.subList(-1, list.size());
689 >                shouldThrow();
690 >            } catch (IndexOutOfBoundsException success) {}
691 >        }
692      }
693  
694      /**
695 <     *   subList throws an IndexOutOfBoundsException on a too high index
695 >     * subList throws an IndexOutOfBoundsException on a too high index
696       */
697      public void testSubList2_IndexOutOfBoundsException() {
698 <        try {
699 <            CopyOnWriteArrayList c = new CopyOnWriteArrayList();
700 <            c.add("asdasd");
701 <            c.subList(1,100);
702 <            shouldThrow();
703 <        } catch(IndexOutOfBoundsException e){}
698 >        CopyOnWriteArrayList c = populatedArray(5);
699 >        List[] lists = { c, c.subList(1, c.size() - 1) };
700 >        for (List list : lists) {
701 >            try {
702 >                list.subList(0, list.size() + 1);
703 >                shouldThrow();
704 >            } catch (IndexOutOfBoundsException success) {}
705 >        }
706      }
707  
708      /**
709 <     *   subList throws IndexOutOfBoundsException when the second index
710 <     *  is lower then the first
709 >     * subList throws IndexOutOfBoundsException when the second index
710 >     * is lower then the first
711       */
712      public void testSubList3_IndexOutOfBoundsException() {
713 <        try {
714 <            CopyOnWriteArrayList c = new CopyOnWriteArrayList();
715 <            c.subList(3,1);
716 <
717 <            shouldThrow();
718 <        } catch(IndexOutOfBoundsException e){}
713 >        CopyOnWriteArrayList c = populatedArray(5);
714 >        List[] lists = { c, c.subList(1, c.size() - 1) };
715 >        for (List list : lists) {
716 >            try {
717 >                list.subList(list.size() - 1, 1);
718 >                shouldThrow();
719 >            } catch (IndexOutOfBoundsException success) {}
720 >        }
721      }
722  
723      /**
724 <     * a deserialized serialiszed list is equal
724 >     * a deserialized serialized list is equal
725       */
726 <    public void testSerialization() {
727 <        CopyOnWriteArrayList q = populatedArray(SIZE);
728 <
729 <        try {
730 <            ByteArrayOutputStream bout = new ByteArrayOutputStream(10000);
731 <            ObjectOutputStream out = new ObjectOutputStream(new BufferedOutputStream(bout));
732 <            out.writeObject(q);
733 <            out.close();
734 <
735 <            ByteArrayInputStream bin = new ByteArrayInputStream(bout.toByteArray());
736 <            ObjectInputStream in = new ObjectInputStream(new BufferedInputStream(bin));
737 <            CopyOnWriteArrayList r = (CopyOnWriteArrayList)in.readObject();
738 <            assertEquals(q.size(), r.size());
614 <            assertTrue(q.equals(r));
615 <            assertTrue(r.equals(q));
616 <        } catch(Exception e){
617 <            unexpectedException();
726 >    public void testSerialization() throws Exception {
727 >        List x = populatedArray(SIZE);
728 >        List y = serialClone(x);
729 >
730 >        assertNotSame(x, y);
731 >        assertEquals(x.size(), y.size());
732 >        assertEquals(x.toString(), y.toString());
733 >        assertTrue(Arrays.equals(x.toArray(), y.toArray()));
734 >        assertEquals(x, y);
735 >        assertEquals(y, x);
736 >        while (!x.isEmpty()) {
737 >            assertFalse(y.isEmpty());
738 >            assertEquals(x.remove(0), y.remove(0));
739          }
740 +        assertTrue(y.isEmpty());
741      }
742 <    
742 >
743   }

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