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; |
13 |
– |
import java.util.LinkedList; |
14 |
|
import java.util.List; |
15 |
|
import java.util.ListIterator; |
16 |
|
import java.util.NoSuchElementException; |
17 |
|
import java.util.concurrent.CopyOnWriteArrayList; |
18 |
+ |
import java.util.concurrent.ThreadLocalRandom; |
19 |
|
|
20 |
|
import junit.framework.Test; |
21 |
|
|
35 |
|
} |
36 |
|
class SubListImplementation extends Implementation { |
37 |
|
public List emptyCollection() { |
38 |
< |
return super.emptyCollection().subList(0, 0); |
38 |
> |
List list = super.emptyCollection(); |
39 |
> |
ThreadLocalRandom rnd = ThreadLocalRandom.current(); |
40 |
> |
if (rnd.nextBoolean()) |
41 |
> |
list.add(makeElement(rnd.nextInt())); |
42 |
> |
int i = rnd.nextInt(list.size() + 1); |
43 |
> |
return list.subList(i, i); |
44 |
|
} |
45 |
|
} |
46 |
|
return newTestSuite( |
49 |
|
CollectionTest.testSuite(new SubListImplementation())); |
50 |
|
} |
51 |
|
|
52 |
< |
static CopyOnWriteArrayList<Integer> populatedArray(int n) { |
53 |
< |
CopyOnWriteArrayList<Integer> a = new CopyOnWriteArrayList<>(); |
54 |
< |
assertTrue(a.isEmpty()); |
52 |
> |
static CopyOnWriteArrayList<Integer> populatedList(int n) { |
53 |
> |
CopyOnWriteArrayList<Integer> list = new CopyOnWriteArrayList<>(); |
54 |
> |
assertTrue(list.isEmpty()); |
55 |
|
for (int i = 0; i < n; i++) |
56 |
< |
a.add(i); |
57 |
< |
assertFalse(a.isEmpty()); |
58 |
< |
assertEquals(n, a.size()); |
59 |
< |
return a; |
56 |
> |
list.add(i); |
57 |
> |
assertEquals(n <= 0, list.isEmpty()); |
58 |
> |
assertEquals(n, list.size()); |
59 |
> |
return list; |
60 |
|
} |
61 |
|
|
62 |
< |
static CopyOnWriteArrayList<Integer> populatedArray(Integer[] elements) { |
63 |
< |
CopyOnWriteArrayList<Integer> a = new CopyOnWriteArrayList<>(); |
64 |
< |
assertTrue(a.isEmpty()); |
62 |
> |
static CopyOnWriteArrayList<Integer> populatedList(Integer[] elements) { |
63 |
> |
CopyOnWriteArrayList<Integer> list = new CopyOnWriteArrayList<>(); |
64 |
> |
assertTrue(list.isEmpty()); |
65 |
|
for (Integer element : elements) |
66 |
< |
a.add(element); |
67 |
< |
assertFalse(a.isEmpty()); |
68 |
< |
assertEquals(elements.length, a.size()); |
69 |
< |
return a; |
66 |
> |
list.add(element); |
67 |
> |
assertFalse(list.isEmpty()); |
68 |
> |
assertEquals(elements.length, list.size()); |
69 |
> |
return list; |
70 |
|
} |
71 |
|
|
72 |
|
/** |
73 |
|
* a new list is empty |
74 |
|
*/ |
75 |
|
public void testConstructor() { |
76 |
< |
CopyOnWriteArrayList a = new CopyOnWriteArrayList(); |
77 |
< |
assertTrue(a.isEmpty()); |
76 |
> |
List list = new CopyOnWriteArrayList(); |
77 |
> |
assertTrue(list.isEmpty()); |
78 |
|
} |
79 |
|
|
80 |
|
/** |
81 |
|
* new list contains all elements of initializing array |
82 |
|
*/ |
83 |
|
public void testConstructor2() { |
84 |
< |
Integer[] ints = new Integer[SIZE]; |
84 |
> |
Integer[] elts = new Integer[SIZE]; |
85 |
|
for (int i = 0; i < SIZE - 1; ++i) |
86 |
< |
ints[i] = new Integer(i); |
87 |
< |
CopyOnWriteArrayList a = new CopyOnWriteArrayList(ints); |
86 |
> |
elts[i] = i; |
87 |
> |
List list = new CopyOnWriteArrayList(elts); |
88 |
|
for (int i = 0; i < SIZE; ++i) |
89 |
< |
assertEquals(ints[i], a.get(i)); |
89 |
> |
assertEquals(elts[i], list.get(i)); |
90 |
|
} |
91 |
|
|
92 |
|
/** |
93 |
|
* new list contains all elements of initializing collection |
94 |
|
*/ |
95 |
|
public void testConstructor3() { |
96 |
< |
Integer[] ints = new Integer[SIZE]; |
96 |
> |
Integer[] elts = new Integer[SIZE]; |
97 |
|
for (int i = 0; i < SIZE - 1; ++i) |
98 |
< |
ints[i] = new Integer(i); |
99 |
< |
CopyOnWriteArrayList a = new CopyOnWriteArrayList(Arrays.asList(ints)); |
98 |
> |
elts[i] = i; |
99 |
> |
List list = new CopyOnWriteArrayList(Arrays.asList(elts)); |
100 |
|
for (int i = 0; i < SIZE; ++i) |
101 |
< |
assertEquals(ints[i], a.get(i)); |
101 |
> |
assertEquals(elts[i], list.get(i)); |
102 |
|
} |
103 |
|
|
104 |
|
/** |
105 |
|
* addAll adds each element from the given collection, including duplicates |
106 |
|
*/ |
107 |
|
public void testAddAll() { |
108 |
< |
CopyOnWriteArrayList full = populatedArray(3); |
109 |
< |
assertTrue(full.addAll(Arrays.asList(three, four, five))); |
110 |
< |
assertEquals(6, full.size()); |
111 |
< |
assertTrue(full.addAll(Arrays.asList(three, four, five))); |
112 |
< |
assertEquals(9, full.size()); |
108 |
> |
List list = populatedList(3); |
109 |
> |
assertTrue(list.addAll(Arrays.asList(three, four, five))); |
110 |
> |
assertEquals(6, list.size()); |
111 |
> |
assertTrue(list.addAll(Arrays.asList(three, four, five))); |
112 |
> |
assertEquals(9, list.size()); |
113 |
|
} |
114 |
|
|
115 |
|
/** |
117 |
|
* already exist in the List |
118 |
|
*/ |
119 |
|
public void testAddAllAbsent() { |
120 |
< |
CopyOnWriteArrayList full = populatedArray(3); |
120 |
> |
CopyOnWriteArrayList list = populatedList(3); |
121 |
|
// "one" is duplicate and will not be added |
122 |
< |
assertEquals(2, full.addAllAbsent(Arrays.asList(three, four, one))); |
123 |
< |
assertEquals(5, full.size()); |
124 |
< |
assertEquals(0, full.addAllAbsent(Arrays.asList(three, four, one))); |
125 |
< |
assertEquals(5, full.size()); |
122 |
> |
assertEquals(2, list.addAllAbsent(Arrays.asList(three, four, one))); |
123 |
> |
assertEquals(5, list.size()); |
124 |
> |
assertEquals(0, list.addAllAbsent(Arrays.asList(three, four, one))); |
125 |
> |
assertEquals(5, list.size()); |
126 |
|
} |
127 |
|
|
128 |
|
/** |
129 |
|
* addIfAbsent will not add the element if it already exists in the list |
130 |
|
*/ |
131 |
|
public void testAddIfAbsent() { |
132 |
< |
CopyOnWriteArrayList full = populatedArray(SIZE); |
133 |
< |
full.addIfAbsent(one); |
134 |
< |
assertEquals(SIZE, full.size()); |
132 |
> |
CopyOnWriteArrayList list = populatedList(SIZE); |
133 |
> |
list.addIfAbsent(one); |
134 |
> |
assertEquals(SIZE, list.size()); |
135 |
|
} |
136 |
|
|
137 |
|
/** |
138 |
|
* addIfAbsent adds the element when it does not exist in the list |
139 |
|
*/ |
140 |
|
public void testAddIfAbsent2() { |
141 |
< |
CopyOnWriteArrayList full = populatedArray(SIZE); |
142 |
< |
full.addIfAbsent(three); |
143 |
< |
assertTrue(full.contains(three)); |
141 |
> |
CopyOnWriteArrayList list = populatedList(SIZE); |
142 |
> |
list.addIfAbsent(three); |
143 |
> |
assertTrue(list.contains(three)); |
144 |
|
} |
145 |
|
|
146 |
|
/** |
147 |
|
* clear removes all elements from the list |
148 |
|
*/ |
149 |
|
public void testClear() { |
150 |
< |
CopyOnWriteArrayList full = populatedArray(SIZE); |
151 |
< |
full.clear(); |
152 |
< |
assertEquals(0, full.size()); |
150 |
> |
List list = populatedList(SIZE); |
151 |
> |
list.clear(); |
152 |
> |
assertEquals(0, list.size()); |
153 |
|
} |
154 |
|
|
155 |
|
/** |
156 |
|
* Cloned list is equal |
157 |
|
*/ |
158 |
|
public void testClone() { |
159 |
< |
CopyOnWriteArrayList l1 = populatedArray(SIZE); |
159 |
> |
CopyOnWriteArrayList l1 = populatedList(SIZE); |
160 |
|
CopyOnWriteArrayList l2 = (CopyOnWriteArrayList)(l1.clone()); |
161 |
|
assertEquals(l1, l2); |
162 |
|
l1.clear(); |
167 |
|
* contains is true for added elements |
168 |
|
*/ |
169 |
|
public void testContains() { |
170 |
< |
CopyOnWriteArrayList full = populatedArray(3); |
171 |
< |
assertTrue(full.contains(one)); |
172 |
< |
assertFalse(full.contains(five)); |
170 |
> |
List list = populatedList(3); |
171 |
> |
assertTrue(list.contains(one)); |
172 |
> |
assertFalse(list.contains(five)); |
173 |
|
} |
174 |
|
|
175 |
|
/** |
176 |
|
* adding at an index places it in the indicated index |
177 |
|
*/ |
178 |
|
public void testAddIndex() { |
179 |
< |
CopyOnWriteArrayList full = populatedArray(3); |
180 |
< |
full.add(0, m1); |
181 |
< |
assertEquals(4, full.size()); |
182 |
< |
assertEquals(m1, full.get(0)); |
183 |
< |
assertEquals(zero, full.get(1)); |
184 |
< |
|
185 |
< |
full.add(2, m2); |
186 |
< |
assertEquals(5, full.size()); |
187 |
< |
assertEquals(m2, full.get(2)); |
188 |
< |
assertEquals(two, full.get(4)); |
179 |
> |
List list = populatedList(3); |
180 |
> |
list.add(0, m1); |
181 |
> |
assertEquals(4, list.size()); |
182 |
> |
assertEquals(m1, list.get(0)); |
183 |
> |
assertEquals(zero, list.get(1)); |
184 |
> |
|
185 |
> |
list.add(2, m2); |
186 |
> |
assertEquals(5, list.size()); |
187 |
> |
assertEquals(m2, list.get(2)); |
188 |
> |
assertEquals(two, list.get(4)); |
189 |
|
} |
190 |
|
|
191 |
|
/** |
192 |
|
* lists with same elements are equal and have same hashCode |
193 |
|
*/ |
194 |
|
public void testEquals() { |
195 |
< |
CopyOnWriteArrayList a = populatedArray(3); |
196 |
< |
CopyOnWriteArrayList b = populatedArray(3); |
195 |
> |
List a = populatedList(3); |
196 |
> |
List b = populatedList(3); |
197 |
|
assertTrue(a.equals(b)); |
198 |
|
assertTrue(b.equals(a)); |
199 |
|
assertTrue(a.containsAll(b)); |
218 |
|
* containsAll returns true for collections with subset of elements |
219 |
|
*/ |
220 |
|
public void testContainsAll() { |
221 |
< |
CopyOnWriteArrayList full = populatedArray(3); |
222 |
< |
assertTrue(full.containsAll(Arrays.asList())); |
223 |
< |
assertTrue(full.containsAll(Arrays.asList(one))); |
224 |
< |
assertTrue(full.containsAll(Arrays.asList(one, two))); |
225 |
< |
assertFalse(full.containsAll(Arrays.asList(one, two, six))); |
226 |
< |
assertFalse(full.containsAll(Arrays.asList(six))); |
221 |
> |
List list = populatedList(3); |
222 |
> |
assertTrue(list.containsAll(Arrays.asList())); |
223 |
> |
assertTrue(list.containsAll(Arrays.asList(one))); |
224 |
> |
assertTrue(list.containsAll(Arrays.asList(one, two))); |
225 |
> |
assertFalse(list.containsAll(Arrays.asList(one, two, six))); |
226 |
> |
assertFalse(list.containsAll(Arrays.asList(six))); |
227 |
|
|
228 |
|
try { |
229 |
< |
full.containsAll(null); |
229 |
> |
list.containsAll(null); |
230 |
|
shouldThrow(); |
231 |
|
} catch (NullPointerException success) {} |
232 |
|
} |
235 |
|
* get returns the value at the given index |
236 |
|
*/ |
237 |
|
public void testGet() { |
238 |
< |
CopyOnWriteArrayList full = populatedArray(3); |
239 |
< |
assertEquals(0, full.get(0)); |
238 |
> |
List list = populatedList(3); |
239 |
> |
assertEquals(0, list.get(0)); |
240 |
|
} |
241 |
|
|
242 |
|
/** |
245 |
|
* contain the element |
246 |
|
*/ |
247 |
|
public void testIndexOf() { |
248 |
< |
CopyOnWriteArrayList list = populatedArray(3); |
248 |
> |
List list = populatedList(3); |
249 |
|
assertEquals(-1, list.indexOf(-42)); |
250 |
|
int size = list.size(); |
251 |
|
for (int i = 0; i < size; i++) { |
272 |
|
* or returns -1 if the element is not found |
273 |
|
*/ |
274 |
|
public void testIndexOf2() { |
275 |
< |
CopyOnWriteArrayList list = populatedArray(3); |
275 |
> |
CopyOnWriteArrayList list = populatedList(3); |
276 |
|
int size = list.size(); |
277 |
|
assertEquals(-1, list.indexOf(-42, 0)); |
278 |
|
|
302 |
|
* isEmpty returns true when empty, else false |
303 |
|
*/ |
304 |
|
public void testIsEmpty() { |
305 |
< |
CopyOnWriteArrayList empty = new CopyOnWriteArrayList(); |
300 |
< |
CopyOnWriteArrayList full = populatedArray(SIZE); |
305 |
> |
List empty = new CopyOnWriteArrayList(); |
306 |
|
assertTrue(empty.isEmpty()); |
307 |
+ |
assertTrue(empty.subList(0, 0).isEmpty()); |
308 |
+ |
|
309 |
+ |
List full = populatedList(SIZE); |
310 |
|
assertFalse(full.isEmpty()); |
311 |
+ |
assertTrue(full.subList(0, 0).isEmpty()); |
312 |
+ |
assertTrue(full.subList(SIZE, SIZE).isEmpty()); |
313 |
|
} |
314 |
|
|
315 |
|
/** |
328 |
|
for (int i = 0; i < SIZE; i++) |
329 |
|
elements[i] = i; |
330 |
|
shuffle(elements); |
331 |
< |
Collection<Integer> full = populatedArray(elements); |
331 |
> |
Collection<Integer> full = populatedList(elements); |
332 |
|
|
333 |
|
Iterator it = full.iterator(); |
334 |
|
for (int j = 0; j < SIZE; j++) { |
350 |
|
* iterator.remove throws UnsupportedOperationException |
351 |
|
*/ |
352 |
|
public void testIteratorRemove() { |
353 |
< |
CopyOnWriteArrayList full = populatedArray(SIZE); |
354 |
< |
Iterator it = full.iterator(); |
353 |
> |
CopyOnWriteArrayList list = populatedList(SIZE); |
354 |
> |
Iterator it = list.iterator(); |
355 |
|
it.next(); |
356 |
|
try { |
357 |
|
it.remove(); |
364 |
|
*/ |
365 |
|
public void testToString() { |
366 |
|
assertEquals("[]", new CopyOnWriteArrayList().toString()); |
367 |
< |
CopyOnWriteArrayList full = populatedArray(3); |
368 |
< |
String s = full.toString(); |
367 |
> |
List list = populatedList(3); |
368 |
> |
String s = list.toString(); |
369 |
|
for (int i = 0; i < 3; ++i) |
370 |
|
assertTrue(s.contains(String.valueOf(i))); |
371 |
< |
assertEquals(new ArrayList(full).toString(), |
372 |
< |
full.toString()); |
371 |
> |
assertEquals(new ArrayList(list).toString(), |
372 |
> |
list.toString()); |
373 |
|
} |
374 |
|
|
375 |
|
/** |
378 |
|
* contain the element |
379 |
|
*/ |
380 |
|
public void testLastIndexOf1() { |
381 |
< |
CopyOnWriteArrayList list = populatedArray(3); |
381 |
> |
List list = populatedList(3); |
382 |
|
assertEquals(-1, list.lastIndexOf(-42)); |
383 |
|
int size = list.size(); |
384 |
|
for (int i = 0; i < size; i++) { |
404 |
|
* returns -1 if the element is not found |
405 |
|
*/ |
406 |
|
public void testLastIndexOf2() { |
407 |
< |
CopyOnWriteArrayList list = populatedArray(3); |
407 |
> |
CopyOnWriteArrayList list = populatedList(3); |
408 |
|
|
409 |
|
// we might expect IOOBE, but spec says otherwise |
410 |
|
assertEquals(-1, list.lastIndexOf(0, -1)); |
434 |
|
* listIterator traverses all elements |
435 |
|
*/ |
436 |
|
public void testListIterator1() { |
437 |
< |
CopyOnWriteArrayList full = populatedArray(SIZE); |
438 |
< |
ListIterator i = full.listIterator(); |
437 |
> |
List list = populatedList(SIZE); |
438 |
> |
ListIterator i = list.listIterator(); |
439 |
|
int j; |
440 |
|
for (j = 0; i.hasNext(); j++) |
441 |
|
assertEquals(j, i.next()); |
446 |
|
* listIterator only returns those elements after the given index |
447 |
|
*/ |
448 |
|
public void testListIterator2() { |
449 |
< |
CopyOnWriteArrayList full = populatedArray(3); |
450 |
< |
ListIterator i = full.listIterator(1); |
449 |
> |
List list = populatedList(3); |
450 |
> |
ListIterator i = list.listIterator(1); |
451 |
|
int j; |
452 |
|
for (j = 0; i.hasNext(); j++) |
453 |
|
assertEquals(j + 1, i.next()); |
460 |
|
public void testRemove_int() { |
461 |
|
int SIZE = 3; |
462 |
|
for (int i = 0; i < SIZE; i++) { |
463 |
< |
CopyOnWriteArrayList full = populatedArray(SIZE); |
464 |
< |
assertEquals(i, full.remove(i)); |
465 |
< |
assertEquals(SIZE - 1, full.size()); |
466 |
< |
assertFalse(full.contains(new Integer(i))); |
463 |
> |
List list = populatedList(SIZE); |
464 |
> |
assertEquals(i, list.remove(i)); |
465 |
> |
assertEquals(SIZE - 1, list.size()); |
466 |
> |
assertFalse(list.contains(new Integer(i))); |
467 |
|
} |
468 |
|
} |
469 |
|
|
473 |
|
public void testRemove_Object() { |
474 |
|
int SIZE = 3; |
475 |
|
for (int i = 0; i < SIZE; i++) { |
476 |
< |
CopyOnWriteArrayList full = populatedArray(SIZE); |
477 |
< |
assertFalse(full.remove(new Integer(-42))); |
478 |
< |
assertTrue(full.remove(new Integer(i))); |
479 |
< |
assertEquals(SIZE - 1, full.size()); |
480 |
< |
assertFalse(full.contains(new Integer(i))); |
476 |
> |
List list = populatedList(SIZE); |
477 |
> |
assertFalse(list.remove(new Integer(-42))); |
478 |
> |
assertTrue(list.remove(new Integer(i))); |
479 |
> |
assertEquals(SIZE - 1, list.size()); |
480 |
> |
assertFalse(list.contains(new Integer(i))); |
481 |
|
} |
482 |
|
CopyOnWriteArrayList x = new CopyOnWriteArrayList(Arrays.asList(4, 5, 6)); |
483 |
|
assertTrue(x.remove(new Integer(6))); |
493 |
|
* removeAll removes all elements from the given collection |
494 |
|
*/ |
495 |
|
public void testRemoveAll() { |
496 |
< |
CopyOnWriteArrayList full = populatedArray(3); |
497 |
< |
assertTrue(full.removeAll(Arrays.asList(one, two))); |
498 |
< |
assertEquals(1, full.size()); |
499 |
< |
assertFalse(full.removeAll(Arrays.asList(one, two))); |
500 |
< |
assertEquals(1, full.size()); |
496 |
> |
List list = populatedList(3); |
497 |
> |
assertTrue(list.removeAll(Arrays.asList(one, two))); |
498 |
> |
assertEquals(1, list.size()); |
499 |
> |
assertFalse(list.removeAll(Arrays.asList(one, two))); |
500 |
> |
assertEquals(1, list.size()); |
501 |
|
} |
502 |
|
|
503 |
|
/** |
504 |
|
* set changes the element at the given index |
505 |
|
*/ |
506 |
|
public void testSet() { |
507 |
< |
CopyOnWriteArrayList full = populatedArray(3); |
508 |
< |
assertEquals(2, full.set(2, four)); |
509 |
< |
assertEquals(4, full.get(2)); |
507 |
> |
List list = populatedList(3); |
508 |
> |
assertEquals(2, list.set(2, four)); |
509 |
> |
assertEquals(4, list.get(2)); |
510 |
|
} |
511 |
|
|
512 |
|
/** |
513 |
|
* size returns the number of elements |
514 |
|
*/ |
515 |
|
public void testSize() { |
516 |
< |
CopyOnWriteArrayList empty = new CopyOnWriteArrayList(); |
507 |
< |
CopyOnWriteArrayList full = populatedArray(SIZE); |
508 |
< |
assertEquals(SIZE, full.size()); |
516 |
> |
List empty = new CopyOnWriteArrayList(); |
517 |
|
assertEquals(0, empty.size()); |
518 |
+ |
assertEquals(0, empty.subList(0, 0).size()); |
519 |
+ |
|
520 |
+ |
List full = populatedList(SIZE); |
521 |
+ |
assertEquals(SIZE, full.size()); |
522 |
+ |
assertEquals(0, full.subList(0, 0).size()); |
523 |
+ |
assertEquals(0, full.subList(SIZE, SIZE).size()); |
524 |
|
} |
525 |
|
|
526 |
|
/** |
536 |
|
for (int i = 0; i < SIZE; i++) |
537 |
|
elements[i] = i; |
538 |
|
shuffle(elements); |
539 |
< |
Collection<Integer> full = populatedArray(elements); |
539 |
> |
Collection<Integer> full = populatedList(elements); |
540 |
|
|
541 |
|
assertTrue(Arrays.equals(elements, full.toArray())); |
542 |
|
assertSame(Object[].class, full.toArray().getClass()); |
564 |
|
for (int i = 0; i < SIZE; i++) |
565 |
|
elements[i] = i; |
566 |
|
shuffle(elements); |
567 |
< |
Collection<Integer> full = populatedArray(elements); |
567 |
> |
Collection<Integer> full = populatedList(elements); |
568 |
|
|
569 |
|
Arrays.fill(a, 42); |
570 |
|
assertTrue(Arrays.equals(elements, full.toArray(a))); |
590 |
|
* sublists contains elements at indexes offset from their base |
591 |
|
*/ |
592 |
|
public void testSubList() { |
593 |
< |
CopyOnWriteArrayList a = populatedArray(10); |
593 |
> |
List a = populatedList(10); |
594 |
|
assertTrue(a.subList(1,1).isEmpty()); |
595 |
|
for (int j = 0; j < 9; ++j) { |
596 |
|
for (int i = j ; i < 10; ++i) { |
621 |
|
* can not store the objects inside the list |
622 |
|
*/ |
623 |
|
public void testToArray_ArrayStoreException() { |
624 |
< |
CopyOnWriteArrayList c = new CopyOnWriteArrayList(); |
625 |
< |
c.add("zfasdfsdf"); |
626 |
< |
c.add("asdadasd"); |
627 |
< |
try { |
628 |
< |
c.toArray(new Long[5]); |
629 |
< |
shouldThrow(); |
630 |
< |
} catch (ArrayStoreException success) {} |
631 |
< |
} |
618 |
< |
|
619 |
< |
/** |
620 |
< |
* get throws an IndexOutOfBoundsException on a negative index |
621 |
< |
*/ |
622 |
< |
public void testGet1_IndexOutOfBoundsException() { |
623 |
< |
CopyOnWriteArrayList c = populatedArray(5); |
624 |
< |
List[] lists = { c, c.subList(1, c.size() - 1) }; |
625 |
< |
for (List list : lists) { |
626 |
< |
try { |
627 |
< |
list.get(-1); |
628 |
< |
shouldThrow(); |
629 |
< |
} catch (IndexOutOfBoundsException success) {} |
630 |
< |
} |
631 |
< |
} |
632 |
< |
|
633 |
< |
/** |
634 |
< |
* get throws an IndexOutOfBoundsException on a too high index |
635 |
< |
*/ |
636 |
< |
public void testGet2_IndexOutOfBoundsException() { |
637 |
< |
CopyOnWriteArrayList c = populatedArray(5); |
638 |
< |
List[] lists = { c, c.subList(1, c.size() - 1) }; |
639 |
< |
for (List list : lists) { |
640 |
< |
try { |
641 |
< |
list.get(list.size()); |
642 |
< |
shouldThrow(); |
643 |
< |
} catch (IndexOutOfBoundsException success) {} |
644 |
< |
} |
645 |
< |
} |
646 |
< |
|
647 |
< |
/** |
648 |
< |
* set throws an IndexOutOfBoundsException on a negative index |
649 |
< |
*/ |
650 |
< |
public void testSet1_IndexOutOfBoundsException() { |
651 |
< |
CopyOnWriteArrayList c = populatedArray(5); |
652 |
< |
List[] lists = { c, c.subList(1, c.size() - 1) }; |
653 |
< |
for (List list : lists) { |
654 |
< |
try { |
655 |
< |
list.set(-1, "qwerty"); |
656 |
< |
shouldThrow(); |
657 |
< |
} catch (IndexOutOfBoundsException success) {} |
658 |
< |
} |
659 |
< |
} |
660 |
< |
|
661 |
< |
/** |
662 |
< |
* set throws an IndexOutOfBoundsException on a too high index |
663 |
< |
*/ |
664 |
< |
public void testSet2() { |
665 |
< |
CopyOnWriteArrayList c = populatedArray(5); |
666 |
< |
List[] lists = { c, c.subList(1, c.size() - 1) }; |
667 |
< |
for (List list : lists) { |
668 |
< |
try { |
669 |
< |
list.set(list.size(), "qwerty"); |
670 |
< |
shouldThrow(); |
671 |
< |
} catch (IndexOutOfBoundsException success) {} |
672 |
< |
} |
673 |
< |
} |
674 |
< |
|
675 |
< |
/** |
676 |
< |
* add throws an IndexOutOfBoundsException on a negative index |
677 |
< |
*/ |
678 |
< |
public void testAdd1_IndexOutOfBoundsException() { |
679 |
< |
CopyOnWriteArrayList c = populatedArray(5); |
680 |
< |
List[] lists = { c, c.subList(1, c.size() - 1) }; |
681 |
< |
for (List list : lists) { |
682 |
< |
try { |
683 |
< |
list.add(-1, "qwerty"); |
684 |
< |
shouldThrow(); |
685 |
< |
} catch (IndexOutOfBoundsException success) {} |
686 |
< |
} |
687 |
< |
} |
688 |
< |
|
689 |
< |
/** |
690 |
< |
* add throws an IndexOutOfBoundsException on a too high index |
691 |
< |
*/ |
692 |
< |
public void testAdd2_IndexOutOfBoundsException() { |
693 |
< |
CopyOnWriteArrayList c = populatedArray(5); |
694 |
< |
List[] lists = { c, c.subList(1, c.size() - 1) }; |
695 |
< |
for (List list : lists) { |
696 |
< |
try { |
697 |
< |
list.add(list.size() + 1, "qwerty"); |
698 |
< |
shouldThrow(); |
699 |
< |
} catch (IndexOutOfBoundsException success) {} |
700 |
< |
} |
701 |
< |
} |
702 |
< |
|
703 |
< |
/** |
704 |
< |
* remove throws an IndexOutOfBoundsException on a negative index |
705 |
< |
*/ |
706 |
< |
public void testRemove1_IndexOutOfBounds() { |
707 |
< |
CopyOnWriteArrayList c = populatedArray(5); |
708 |
< |
List[] lists = { c, c.subList(1, c.size() - 1) }; |
709 |
< |
for (List list : lists) { |
710 |
< |
try { |
711 |
< |
list.remove(-1); |
712 |
< |
shouldThrow(); |
713 |
< |
} catch (IndexOutOfBoundsException success) {} |
714 |
< |
} |
715 |
< |
} |
716 |
< |
|
717 |
< |
/** |
718 |
< |
* remove throws an IndexOutOfBoundsException on a too high index |
719 |
< |
*/ |
720 |
< |
public void testRemove2_IndexOutOfBounds() { |
721 |
< |
CopyOnWriteArrayList c = populatedArray(5); |
722 |
< |
List[] lists = { c, c.subList(1, c.size() - 1) }; |
723 |
< |
for (List list : lists) { |
724 |
< |
try { |
725 |
< |
list.remove(list.size()); |
726 |
< |
shouldThrow(); |
727 |
< |
} catch (IndexOutOfBoundsException success) {} |
728 |
< |
} |
729 |
< |
} |
730 |
< |
|
731 |
< |
/** |
732 |
< |
* addAll throws an IndexOutOfBoundsException on a negative index |
733 |
< |
*/ |
734 |
< |
public void testAddAll1_IndexOutOfBoundsException() { |
735 |
< |
CopyOnWriteArrayList c = populatedArray(5); |
736 |
< |
List[] lists = { c, c.subList(1, c.size() - 1) }; |
737 |
< |
for (List list : lists) { |
738 |
< |
try { |
739 |
< |
list.addAll(-1, new LinkedList()); |
740 |
< |
shouldThrow(); |
741 |
< |
} catch (IndexOutOfBoundsException success) {} |
742 |
< |
} |
743 |
< |
} |
744 |
< |
|
745 |
< |
/** |
746 |
< |
* addAll throws an IndexOutOfBoundsException on a too high index |
747 |
< |
*/ |
748 |
< |
public void testAddAll2_IndexOutOfBoundsException() { |
749 |
< |
CopyOnWriteArrayList c = populatedArray(5); |
750 |
< |
List[] lists = { c, c.subList(1, c.size() - 1) }; |
751 |
< |
for (List list : lists) { |
752 |
< |
try { |
753 |
< |
list.addAll(list.size() + 1, new LinkedList()); |
754 |
< |
shouldThrow(); |
755 |
< |
} catch (IndexOutOfBoundsException success) {} |
756 |
< |
} |
757 |
< |
} |
758 |
< |
|
759 |
< |
/** |
760 |
< |
* listIterator throws an IndexOutOfBoundsException on a negative index |
761 |
< |
*/ |
762 |
< |
public void testListIterator1_IndexOutOfBoundsException() { |
763 |
< |
CopyOnWriteArrayList c = populatedArray(5); |
764 |
< |
List[] lists = { c, c.subList(1, c.size() - 1) }; |
765 |
< |
for (List list : lists) { |
766 |
< |
try { |
767 |
< |
list.listIterator(-1); |
768 |
< |
shouldThrow(); |
769 |
< |
} catch (IndexOutOfBoundsException success) {} |
770 |
< |
} |
771 |
< |
} |
772 |
< |
|
773 |
< |
/** |
774 |
< |
* listIterator throws an IndexOutOfBoundsException on a too high index |
775 |
< |
*/ |
776 |
< |
public void testListIterator2_IndexOutOfBoundsException() { |
777 |
< |
CopyOnWriteArrayList c = populatedArray(5); |
778 |
< |
List[] lists = { c, c.subList(1, c.size() - 1) }; |
779 |
< |
for (List list : lists) { |
780 |
< |
try { |
781 |
< |
list.listIterator(list.size() + 1); |
782 |
< |
shouldThrow(); |
783 |
< |
} catch (IndexOutOfBoundsException success) {} |
784 |
< |
} |
624 |
> |
List list = new CopyOnWriteArrayList(); |
625 |
> |
// Integers are not auto-converted to Longs |
626 |
> |
list.add(86); |
627 |
> |
list.add(99); |
628 |
> |
assertThrows( |
629 |
> |
ArrayStoreException.class, |
630 |
> |
() -> list.toArray(new Long[0]), |
631 |
> |
() -> list.toArray(new Long[5])); |
632 |
|
} |
633 |
|
|
634 |
< |
/** |
635 |
< |
* subList throws an IndexOutOfBoundsException on a negative index |
636 |
< |
*/ |
637 |
< |
public void testSubList1_IndexOutOfBoundsException() { |
638 |
< |
CopyOnWriteArrayList c = populatedArray(5); |
639 |
< |
List[] lists = { c, c.subList(1, c.size() - 1) }; |
640 |
< |
for (List list : lists) { |
641 |
< |
try { |
642 |
< |
list.subList(-1, list.size()); |
643 |
< |
shouldThrow(); |
644 |
< |
} catch (IndexOutOfBoundsException success) {} |
645 |
< |
} |
634 |
> |
void testIndexOutOfBoundsException(List list) { |
635 |
> |
int size = list.size(); |
636 |
> |
assertThrows( |
637 |
> |
IndexOutOfBoundsException.class, |
638 |
> |
() -> list.get(-1), |
639 |
> |
() -> list.get(size), |
640 |
> |
() -> list.set(-1, "qwerty"), |
641 |
> |
() -> list.set(size, "qwerty"), |
642 |
> |
() -> list.add(-1, "qwerty"), |
643 |
> |
() -> list.add(size + 1, "qwerty"), |
644 |
> |
() -> list.remove(-1), |
645 |
> |
() -> list.remove(size), |
646 |
> |
() -> list.addAll(-1, Collections.emptyList()), |
647 |
> |
() -> list.addAll(size + 1, Collections.emptyList()), |
648 |
> |
() -> list.listIterator(-1), |
649 |
> |
() -> list.listIterator(size + 1), |
650 |
> |
() -> list.subList(-1, size), |
651 |
> |
() -> list.subList(0, size + 1)); |
652 |
> |
|
653 |
> |
// Conversely, operations that must not throw |
654 |
> |
list.addAll(0, Collections.emptyList()); |
655 |
> |
list.addAll(size, Collections.emptyList()); |
656 |
> |
list.add(0, "qwerty"); |
657 |
> |
list.add(list.size(), "qwerty"); |
658 |
> |
list.get(0); |
659 |
> |
list.get(list.size() - 1); |
660 |
> |
list.set(0, "azerty"); |
661 |
> |
list.set(list.size() - 1, "azerty"); |
662 |
> |
list.listIterator(0); |
663 |
> |
list.listIterator(list.size()); |
664 |
> |
list.subList(0, list.size()); |
665 |
> |
list.remove(list.size() - 1); |
666 |
|
} |
667 |
|
|
668 |
|
/** |
669 |
< |
* subList throws an IndexOutOfBoundsException on a too high index |
670 |
< |
*/ |
671 |
< |
public void testSubList2_IndexOutOfBoundsException() { |
672 |
< |
CopyOnWriteArrayList c = populatedArray(5); |
673 |
< |
List[] lists = { c, c.subList(1, c.size() - 1) }; |
674 |
< |
for (List list : lists) { |
808 |
< |
try { |
809 |
< |
list.subList(0, list.size() + 1); |
810 |
< |
shouldThrow(); |
811 |
< |
} catch (IndexOutOfBoundsException success) {} |
812 |
< |
} |
813 |
< |
} |
669 |
> |
* IndexOutOfBoundsException is thrown when specified |
670 |
> |
*/ |
671 |
> |
public void testIndexOutOfBoundsException() { |
672 |
> |
ThreadLocalRandom rnd = ThreadLocalRandom.current(); |
673 |
> |
List x = populatedList(rnd.nextInt(5)); |
674 |
> |
testIndexOutOfBoundsException(x); |
675 |
|
|
676 |
< |
/** |
677 |
< |
* subList throws IndexOutOfBoundsException when the second index |
678 |
< |
* is lower then the first |
679 |
< |
*/ |
680 |
< |
public void testSubList3_IndexOutOfBoundsException() { |
681 |
< |
CopyOnWriteArrayList c = populatedArray(5); |
682 |
< |
List[] lists = { c, c.subList(1, c.size() - 1) }; |
822 |
< |
for (List list : lists) { |
823 |
< |
try { |
824 |
< |
list.subList(list.size() - 1, 1); |
825 |
< |
shouldThrow(); |
826 |
< |
} catch (IndexOutOfBoundsException success) {} |
827 |
< |
} |
676 |
> |
int start = rnd.nextInt(x.size() + 1); |
677 |
> |
int end = rnd.nextInt(start, x.size() + 1); |
678 |
> |
assertThrows( |
679 |
> |
IndexOutOfBoundsException.class, |
680 |
> |
() -> x.subList(start, start - 1)); |
681 |
> |
List subList = x.subList(start, end); |
682 |
> |
testIndexOutOfBoundsException(x); |
683 |
|
} |
684 |
|
|
685 |
|
/** |
686 |
|
* a deserialized/reserialized list equals original |
687 |
|
*/ |
688 |
|
public void testSerialization() throws Exception { |
689 |
< |
List x = populatedArray(SIZE); |
689 |
> |
List x = populatedList(SIZE); |
690 |
|
List y = serialClone(x); |
691 |
|
|
692 |
|
assertNotSame(x, y); |