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jsr166 |
1.1 |
/* |
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* Written by Doug Lea and Martin Buchholz with assistance from |
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* members of JCP JSR-166 Expert Group and released to the public |
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* domain, as explained at |
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* http://creativecommons.org/publicdomain/zero/1.0/ |
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*/ |
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jsr166 |
1.7 |
import java.util.Arrays; |
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import java.util.Collection; |
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import java.util.Collections; |
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import java.util.List; |
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jsr166 |
1.1 |
import java.util.Vector; |
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jsr166 |
1.7 |
import java.util.concurrent.ThreadLocalRandom; |
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jsr166 |
1.1 |
|
15 |
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import junit.framework.Test; |
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public class VectorTest extends JSR166TestCase { |
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public static void main(String[] args) { |
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main(suite(), args); |
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} |
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public static Test suite() { |
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class Implementation implements CollectionImplementation { |
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public Class<?> klazz() { return Vector.class; } |
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jsr166 |
1.2 |
public List emptyCollection() { return new Vector(); } |
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dl |
1.11 |
public Object makeElement(int i) { return JSR166TestCase.itemFor(i); } |
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jsr166 |
1.1 |
public boolean isConcurrent() { return false; } |
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public boolean permitsNulls() { return true; } |
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} |
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jsr166 |
1.2 |
class SubListImplementation extends Implementation { |
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dl |
1.11 |
@SuppressWarnings("unchecked") |
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jsr166 |
1.2 |
public List emptyCollection() { |
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jsr166 |
1.8 |
List list = super.emptyCollection(); |
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ThreadLocalRandom rnd = ThreadLocalRandom.current(); |
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if (rnd.nextBoolean()) |
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list.add(makeElement(rnd.nextInt())); |
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int i = rnd.nextInt(list.size() + 1); |
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return list.subList(i, i); |
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jsr166 |
1.2 |
} |
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} |
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return newTestSuite( |
42 |
jsr166 |
1.3 |
VectorTest.class, |
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jsr166 |
1.2 |
CollectionTest.testSuite(new Implementation()), |
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CollectionTest.testSuite(new SubListImplementation())); |
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jsr166 |
1.1 |
} |
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dl |
1.11 |
static Vector<Item> populatedList(int n) { |
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Vector<Item> list = new Vector<>(); |
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jsr166 |
1.7 |
assertTrue(list.isEmpty()); |
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for (int i = 0; i < n; i++) |
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dl |
1.11 |
mustAdd(list, i); |
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mustEqual(n <= 0, list.isEmpty()); |
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mustEqual(n, list.size()); |
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jsr166 |
1.7 |
return list; |
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} |
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/** |
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* addAll adds each element from the given collection, including duplicates |
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*/ |
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public void testAddAll() { |
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dl |
1.11 |
List<Item> list = populatedList(3); |
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jsr166 |
1.7 |
assertTrue(list.addAll(Arrays.asList(three, four, five))); |
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dl |
1.11 |
mustEqual(6, list.size()); |
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jsr166 |
1.7 |
assertTrue(list.addAll(Arrays.asList(three, four, five))); |
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dl |
1.11 |
mustEqual(9, list.size()); |
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jsr166 |
1.7 |
} |
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/** |
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* clear removes all elements from the list |
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*/ |
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public void testClear() { |
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dl |
1.11 |
List<Item> list = populatedList(SIZE); |
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jsr166 |
1.7 |
list.clear(); |
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dl |
1.11 |
mustEqual(0, list.size()); |
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jsr166 |
1.7 |
} |
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/** |
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* Cloned list is equal |
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*/ |
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public void testClone() { |
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dl |
1.11 |
Vector<Item> l1 = populatedList(SIZE); |
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@SuppressWarnings("unchecked") |
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Vector<Item> l2 = (Vector<Item>)(l1.clone()); |
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mustEqual(l1, l2); |
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jsr166 |
1.7 |
l1.clear(); |
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assertFalse(l1.equals(l2)); |
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} |
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/** |
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* contains is true for added elements |
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*/ |
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public void testContains() { |
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dl |
1.11 |
List<Item> list = populatedList(3); |
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mustContain(list, one); |
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mustNotContain(list, five); |
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jsr166 |
1.7 |
} |
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/** |
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* adding at an index places it in the indicated index |
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*/ |
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public void testAddIndex() { |
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dl |
1.11 |
List<Item> list = populatedList(3); |
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list.add(0, minusOne); |
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mustEqual(4, list.size()); |
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mustEqual(minusOne, list.get(0)); |
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mustEqual(zero, list.get(1)); |
107 |
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list.add(2, minusTwo); |
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mustEqual(5, list.size()); |
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mustEqual(minusTwo, list.get(2)); |
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mustEqual(two, list.get(4)); |
112 |
jsr166 |
1.7 |
} |
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/** |
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* lists with same elements are equal and have same hashCode |
116 |
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*/ |
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public void testEquals() { |
118 |
dl |
1.11 |
List<Item> a = populatedList(3); |
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List<Item> b = populatedList(3); |
120 |
jsr166 |
1.7 |
assertTrue(a.equals(b)); |
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assertTrue(b.equals(a)); |
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assertTrue(a.containsAll(b)); |
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assertTrue(b.containsAll(a)); |
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dl |
1.11 |
mustEqual(a.hashCode(), b.hashCode()); |
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a.add(minusOne); |
126 |
jsr166 |
1.7 |
assertFalse(a.equals(b)); |
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assertFalse(b.equals(a)); |
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assertTrue(a.containsAll(b)); |
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assertFalse(b.containsAll(a)); |
130 |
dl |
1.11 |
b.add(minusOne); |
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jsr166 |
1.7 |
assertTrue(a.equals(b)); |
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assertTrue(b.equals(a)); |
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assertTrue(a.containsAll(b)); |
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assertTrue(b.containsAll(a)); |
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dl |
1.11 |
mustEqual(a.hashCode(), b.hashCode()); |
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jsr166 |
1.7 |
|
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assertFalse(a.equals(null)); |
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} |
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140 |
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/** |
141 |
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* containsAll returns true for collections with subset of elements |
142 |
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*/ |
143 |
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public void testContainsAll() { |
144 |
dl |
1.11 |
List<Item> list = populatedList(3); |
145 |
jsr166 |
1.7 |
assertTrue(list.containsAll(Arrays.asList())); |
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assertTrue(list.containsAll(Arrays.asList(one))); |
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assertTrue(list.containsAll(Arrays.asList(one, two))); |
148 |
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assertFalse(list.containsAll(Arrays.asList(one, two, six))); |
149 |
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assertFalse(list.containsAll(Arrays.asList(six))); |
150 |
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151 |
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try { |
152 |
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list.containsAll(null); |
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shouldThrow(); |
154 |
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} catch (NullPointerException success) {} |
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} |
156 |
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157 |
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/** |
158 |
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* get returns the value at the given index |
159 |
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*/ |
160 |
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public void testGet() { |
161 |
dl |
1.11 |
List<Item> list = populatedList(3); |
162 |
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mustEqual(0, list.get(0)); |
163 |
jsr166 |
1.7 |
} |
164 |
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|
165 |
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/** |
166 |
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* indexOf(Object) returns the index of the first occurrence of the |
167 |
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* specified element in this list, or -1 if this list does not |
168 |
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* contain the element |
169 |
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*/ |
170 |
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public void testIndexOf() { |
171 |
dl |
1.11 |
List<Item> list = populatedList(3); |
172 |
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mustEqual(-1, list.indexOf(minusTen)); |
173 |
jsr166 |
1.7 |
int size = list.size(); |
174 |
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for (int i = 0; i < size; i++) { |
175 |
dl |
1.11 |
Item I = itemFor(i); |
176 |
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mustEqual(i, list.indexOf(I)); |
177 |
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mustEqual(i, list.subList(0, size).indexOf(I)); |
178 |
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mustEqual(i, list.subList(0, i + 1).indexOf(I)); |
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mustEqual(-1, list.subList(0, i).indexOf(I)); |
180 |
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mustEqual(0, list.subList(i, size).indexOf(I)); |
181 |
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mustEqual(-1, list.subList(i + 1, size).indexOf(I)); |
182 |
jsr166 |
1.7 |
} |
183 |
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184 |
dl |
1.11 |
list.add(one); |
185 |
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mustEqual(1, list.indexOf(one)); |
186 |
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mustEqual(1, list.subList(0, size + 1).indexOf(one)); |
187 |
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mustEqual(0, list.subList(1, size + 1).indexOf(one)); |
188 |
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mustEqual(size - 2, list.subList(2, size + 1).indexOf(one)); |
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mustEqual(0, list.subList(size, size + 1).indexOf(one)); |
190 |
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mustEqual(-1, list.subList(size + 1, size + 1).indexOf(one)); |
191 |
jsr166 |
1.7 |
} |
192 |
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193 |
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/** |
194 |
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* indexOf(E, int) returns the index of the first occurrence of the |
195 |
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* specified element in this list, searching forwards from index, |
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* or returns -1 if the element is not found |
197 |
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*/ |
198 |
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public void testIndexOf2() { |
199 |
dl |
1.11 |
Vector<Item> list = populatedList(3); |
200 |
jsr166 |
1.7 |
int size = list.size(); |
201 |
dl |
1.11 |
mustEqual(-1, list.indexOf(minusTen, 0)); |
202 |
jsr166 |
1.7 |
|
203 |
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// we might expect IOOBE, but spec says otherwise |
204 |
dl |
1.11 |
mustEqual(-1, list.indexOf(zero, size)); |
205 |
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mustEqual(-1, list.indexOf(zero, Integer.MAX_VALUE)); |
206 |
jsr166 |
1.7 |
|
207 |
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assertThrows( |
208 |
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IndexOutOfBoundsException.class, |
209 |
dl |
1.11 |
() -> list.indexOf(zero, -1), |
210 |
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() -> list.indexOf(zero, Integer.MIN_VALUE)); |
211 |
jsr166 |
1.7 |
|
212 |
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for (int i = 0; i < size; i++) { |
213 |
dl |
1.11 |
Item I = itemFor(i); |
214 |
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mustEqual(i, list.indexOf(I, 0)); |
215 |
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mustEqual(i, list.indexOf(I, i)); |
216 |
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mustEqual(-1, list.indexOf(I, i + 1)); |
217 |
jsr166 |
1.7 |
} |
218 |
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219 |
dl |
1.11 |
list.add(one); |
220 |
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mustEqual(1, list.indexOf(one, 0)); |
221 |
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mustEqual(1, list.indexOf(one, 1)); |
222 |
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mustEqual(size, list.indexOf(one, 2)); |
223 |
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mustEqual(size, list.indexOf(one, size)); |
224 |
jsr166 |
1.7 |
} |
225 |
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226 |
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/** |
227 |
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* isEmpty returns true when empty, else false |
228 |
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*/ |
229 |
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public void testIsEmpty() { |
230 |
dl |
1.11 |
List<Item> empty = new Vector<Item>(); |
231 |
jsr166 |
1.7 |
assertTrue(empty.isEmpty()); |
232 |
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assertTrue(empty.subList(0, 0).isEmpty()); |
233 |
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|
234 |
dl |
1.11 |
List<Item> full = populatedList(SIZE); |
235 |
jsr166 |
1.7 |
assertFalse(full.isEmpty()); |
236 |
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assertTrue(full.subList(0, 0).isEmpty()); |
237 |
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assertTrue(full.subList(SIZE, SIZE).isEmpty()); |
238 |
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} |
239 |
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240 |
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/** |
241 |
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* iterator of empty collection has no elements |
242 |
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*/ |
243 |
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public void testEmptyIterator() { |
244 |
dl |
1.11 |
Collection<Item> c = new Vector<Item>(); |
245 |
jsr166 |
1.7 |
assertIteratorExhausted(c.iterator()); |
246 |
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} |
247 |
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248 |
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/** |
249 |
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* lastIndexOf(Object) returns the index of the last occurrence of |
250 |
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* the specified element in this list, or -1 if this list does not |
251 |
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* contain the element |
252 |
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*/ |
253 |
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public void testLastIndexOf1() { |
254 |
dl |
1.11 |
List<Item> list = populatedList(3); |
255 |
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mustEqual(-1, list.lastIndexOf(minusTen)); |
256 |
jsr166 |
1.7 |
int size = list.size(); |
257 |
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for (int i = 0; i < size; i++) { |
258 |
dl |
1.11 |
Item I = itemFor(i); |
259 |
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mustEqual(i, list.lastIndexOf(I)); |
260 |
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mustEqual(i, list.subList(0, size).lastIndexOf(I)); |
261 |
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mustEqual(i, list.subList(0, i + 1).lastIndexOf(I)); |
262 |
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mustEqual(-1, list.subList(0, i).lastIndexOf(I)); |
263 |
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mustEqual(0, list.subList(i, size).lastIndexOf(I)); |
264 |
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mustEqual(-1, list.subList(i + 1, size).lastIndexOf(I)); |
265 |
jsr166 |
1.7 |
} |
266 |
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|
267 |
dl |
1.11 |
list.add(one); |
268 |
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mustEqual(size, list.lastIndexOf(one)); |
269 |
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mustEqual(size, list.subList(0, size + 1).lastIndexOf(one)); |
270 |
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mustEqual(1, list.subList(0, size).lastIndexOf(one)); |
271 |
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mustEqual(0, list.subList(1, 2).lastIndexOf(one)); |
272 |
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mustEqual(-1, list.subList(0, 1).indexOf(one)); |
273 |
jsr166 |
1.7 |
} |
274 |
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|
275 |
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/** |
276 |
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* lastIndexOf(E, int) returns the index of the last occurrence of the |
277 |
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* specified element in this list, searching backwards from index, or |
278 |
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* returns -1 if the element is not found |
279 |
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*/ |
280 |
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public void testLastIndexOf2() { |
281 |
dl |
1.11 |
Vector<Item> list = populatedList(3); |
282 |
jsr166 |
1.7 |
|
283 |
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// we might expect IOOBE, but spec says otherwise |
284 |
dl |
1.11 |
mustEqual(-1, list.lastIndexOf(zero, -1)); |
285 |
jsr166 |
1.7 |
|
286 |
|
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int size = list.size(); |
287 |
|
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assertThrows( |
288 |
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IndexOutOfBoundsException.class, |
289 |
dl |
1.11 |
() -> list.lastIndexOf(zero, size), |
290 |
|
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() -> list.lastIndexOf(zero, Integer.MAX_VALUE)); |
291 |
jsr166 |
1.7 |
|
292 |
|
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for (int i = 0; i < size; i++) { |
293 |
dl |
1.11 |
Item I = itemFor(i); |
294 |
|
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mustEqual(i, list.lastIndexOf(I, i)); |
295 |
|
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mustEqual(list.indexOf(I), list.lastIndexOf(I, i)); |
296 |
jsr166 |
1.7 |
if (i > 0) |
297 |
dl |
1.11 |
mustEqual(-1, list.lastIndexOf(I, i - 1)); |
298 |
jsr166 |
1.7 |
} |
299 |
|
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list.add(one); |
300 |
|
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list.add(three); |
301 |
dl |
1.11 |
mustEqual(1, list.lastIndexOf(one, 1)); |
302 |
|
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mustEqual(1, list.lastIndexOf(one, 2)); |
303 |
|
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mustEqual(3, list.lastIndexOf(one, 3)); |
304 |
|
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mustEqual(3, list.lastIndexOf(one, 4)); |
305 |
|
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mustEqual(-1, list.lastIndexOf(three, 3)); |
306 |
jsr166 |
1.7 |
} |
307 |
|
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|
308 |
|
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/** |
309 |
|
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* size returns the number of elements |
310 |
|
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*/ |
311 |
|
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public void testSize() { |
312 |
dl |
1.11 |
List<Item> empty = new Vector<Item>(); |
313 |
|
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mustEqual(0, empty.size()); |
314 |
|
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mustEqual(0, empty.subList(0, 0).size()); |
315 |
|
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|
316 |
|
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List<Item> full = populatedList(SIZE); |
317 |
|
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mustEqual(SIZE, full.size()); |
318 |
|
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mustEqual(0, full.subList(0, 0).size()); |
319 |
|
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mustEqual(0, full.subList(SIZE, SIZE).size()); |
320 |
jsr166 |
1.7 |
} |
321 |
|
|
|
322 |
|
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/** |
323 |
|
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* sublists contains elements at indexes offset from their base |
324 |
|
|
*/ |
325 |
|
|
public void testSubList() { |
326 |
dl |
1.11 |
List<Item> a = populatedList(10); |
327 |
jsr166 |
1.7 |
assertTrue(a.subList(1,1).isEmpty()); |
328 |
|
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for (int j = 0; j < 9; ++j) { |
329 |
|
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for (int i = j ; i < 10; ++i) { |
330 |
dl |
1.11 |
List<Item> b = a.subList(j,i); |
331 |
jsr166 |
1.7 |
for (int k = j; k < i; ++k) { |
332 |
dl |
1.11 |
mustEqual(k, b.get(k-j)); |
333 |
jsr166 |
1.7 |
} |
334 |
|
|
} |
335 |
|
|
} |
336 |
|
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|
337 |
dl |
1.11 |
List<Item> s = a.subList(2, 5); |
338 |
|
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mustEqual(3, s.size()); |
339 |
|
|
s.set(2, minusOne); |
340 |
|
|
mustEqual(a.get(4), minusOne); |
341 |
jsr166 |
1.7 |
s.clear(); |
342 |
dl |
1.11 |
mustEqual(7, a.size()); |
343 |
jsr166 |
1.7 |
|
344 |
|
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assertThrows( |
345 |
|
|
IndexOutOfBoundsException.class, |
346 |
|
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() -> s.get(0), |
347 |
dl |
1.11 |
() -> s.set(0, fortytwo)); |
348 |
jsr166 |
1.7 |
} |
349 |
|
|
|
350 |
|
|
/** |
351 |
|
|
* toArray throws an ArrayStoreException when the given array |
352 |
|
|
* can not store the objects inside the list |
353 |
|
|
*/ |
354 |
|
|
public void testToArray_ArrayStoreException() { |
355 |
dl |
1.11 |
List<Item> list = new Vector<Item>(); |
356 |
|
|
// Items are not auto-converted to Longs |
357 |
|
|
list.add(eightysix); |
358 |
|
|
list.add(ninetynine); |
359 |
jsr166 |
1.7 |
assertThrows( |
360 |
|
|
ArrayStoreException.class, |
361 |
|
|
() -> list.toArray(new Long[0]), |
362 |
|
|
() -> list.toArray(new Long[5])); |
363 |
|
|
} |
364 |
|
|
|
365 |
dl |
1.11 |
@SuppressWarnings("unchecked") |
366 |
jsr166 |
1.7 |
void testIndexOutOfBoundsException(List list) { |
367 |
|
|
int size = list.size(); |
368 |
|
|
assertThrows( |
369 |
|
|
IndexOutOfBoundsException.class, |
370 |
|
|
() -> list.get(-1), |
371 |
|
|
() -> list.get(size), |
372 |
|
|
() -> list.set(-1, "qwerty"), |
373 |
|
|
() -> list.set(size, "qwerty"), |
374 |
|
|
() -> list.add(-1, "qwerty"), |
375 |
|
|
() -> list.add(size + 1, "qwerty"), |
376 |
|
|
() -> list.remove(-1), |
377 |
|
|
() -> list.remove(size), |
378 |
|
|
() -> list.addAll(-1, Collections.emptyList()), |
379 |
|
|
() -> list.addAll(size + 1, Collections.emptyList()), |
380 |
|
|
() -> list.listIterator(-1), |
381 |
|
|
() -> list.listIterator(size + 1), |
382 |
|
|
() -> list.subList(-1, size), |
383 |
|
|
() -> list.subList(0, size + 1)); |
384 |
|
|
|
385 |
|
|
// Conversely, operations that must not throw |
386 |
|
|
list.addAll(0, Collections.emptyList()); |
387 |
|
|
list.addAll(size, Collections.emptyList()); |
388 |
|
|
list.add(0, "qwerty"); |
389 |
|
|
list.add(list.size(), "qwerty"); |
390 |
|
|
list.get(0); |
391 |
|
|
list.get(list.size() - 1); |
392 |
|
|
list.set(0, "azerty"); |
393 |
|
|
list.set(list.size() - 1, "azerty"); |
394 |
|
|
list.listIterator(0); |
395 |
|
|
list.listIterator(list.size()); |
396 |
|
|
list.subList(0, list.size()); |
397 |
|
|
list.remove(list.size() - 1); |
398 |
|
|
} |
399 |
|
|
|
400 |
|
|
/** |
401 |
|
|
* IndexOutOfBoundsException is thrown when specified |
402 |
|
|
*/ |
403 |
|
|
public void testIndexOutOfBoundsException() { |
404 |
|
|
ThreadLocalRandom rnd = ThreadLocalRandom.current(); |
405 |
dl |
1.11 |
List<Item> x = populatedList(rnd.nextInt(5)); |
406 |
jsr166 |
1.7 |
testIndexOutOfBoundsException(x); |
407 |
|
|
|
408 |
|
|
int start = rnd.nextInt(x.size() + 1); |
409 |
|
|
int end = rnd.nextInt(start, x.size() + 1); |
410 |
|
|
|
411 |
|
|
// Vector#subList spec deviates slightly from List#subList spec |
412 |
|
|
assertThrows( |
413 |
|
|
IllegalArgumentException.class, |
414 |
|
|
() -> x.subList(start, start - 1)); |
415 |
|
|
|
416 |
dl |
1.11 |
List<Item> subList = x.subList(start, end); |
417 |
jsr166 |
1.7 |
testIndexOutOfBoundsException(x); |
418 |
|
|
} |
419 |
|
|
|
420 |
|
|
/** |
421 |
|
|
* a deserialized/reserialized list equals original |
422 |
|
|
*/ |
423 |
|
|
public void testSerialization() throws Exception { |
424 |
dl |
1.11 |
List<Item> x = populatedList(SIZE); |
425 |
|
|
List<Item> y = serialClone(x); |
426 |
jsr166 |
1.7 |
|
427 |
|
|
assertNotSame(x, y); |
428 |
dl |
1.11 |
mustEqual(x.size(), y.size()); |
429 |
|
|
mustEqual(x.toString(), y.toString()); |
430 |
jsr166 |
1.7 |
assertTrue(Arrays.equals(x.toArray(), y.toArray())); |
431 |
dl |
1.11 |
mustEqual(x, y); |
432 |
|
|
mustEqual(y, x); |
433 |
jsr166 |
1.7 |
while (!x.isEmpty()) { |
434 |
|
|
assertFalse(y.isEmpty()); |
435 |
dl |
1.11 |
mustEqual(x.remove(0), y.remove(0)); |
436 |
jsr166 |
1.7 |
} |
437 |
|
|
assertTrue(y.isEmpty()); |
438 |
|
|
} |
439 |
|
|
|
440 |
jsr166 |
1.3 |
/** |
441 |
|
|
* tests for setSize() |
442 |
|
|
*/ |
443 |
|
|
public void testSetSize() { |
444 |
dl |
1.11 |
final Vector<Item> v = new Vector<Item>(); |
445 |
jsr166 |
1.3 |
for (int n : new int[] { 100, 5, 50 }) { |
446 |
|
|
v.setSize(n); |
447 |
dl |
1.11 |
mustEqual(n, v.size()); |
448 |
jsr166 |
1.3 |
assertNull(v.get(0)); |
449 |
|
|
assertNull(v.get(n - 1)); |
450 |
jsr166 |
1.10 |
assertThrows(ArrayIndexOutOfBoundsException.class, |
451 |
|
|
() -> v.setSize(-1)); |
452 |
dl |
1.11 |
mustEqual(n, v.size()); |
453 |
jsr166 |
1.4 |
assertNull(v.get(0)); |
454 |
|
|
assertNull(v.get(n - 1)); |
455 |
jsr166 |
1.3 |
} |
456 |
|
|
} |
457 |
|
|
|
458 |
jsr166 |
1.1 |
} |