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Comparing jsr166/src/test/tck/AtomicReferenceArrayTest.java (file contents):
Revision 1.5 by dl, Thu Sep 25 11:02:41 2003 UTC vs.
Revision 1.11 by jsr166, Mon Nov 2 20:28:31 2009 UTC

# Line 1 | Line 1
1   /*
2 < * Written by members of JCP JSR-166 Expert Group and released to the
3 < * public domain. Use, modify, and redistribute this code in any way
4 < * without acknowledgement. Other contributors include Andrew Wright,
5 < * Jeffrey Hayes, Pat Fischer, Mike Judd.
2 > * Written by Doug Lea with assistance from members of JCP JSR-166
3 > * Expert Group and released to the public domain, as explained at
4 > * http://creativecommons.org/licenses/publicdomain
5 > * Other contributors include Andrew Wright, Jeffrey Hayes,
6 > * Pat Fisher, Mike Judd.
7   */
8  
9   import junit.framework.*;
10   import java.util.concurrent.atomic.*;
11   import java.io.*;
12 + import java.util.*;
13  
14 < public class AtomicReferenceArrayTest extends JSR166TestCase
14 > public class AtomicReferenceArrayTest extends JSR166TestCase
15   {
16      public static void main (String[] args) {
17          junit.textui.TestRunner.run (suite());
# Line 29 | Line 31 | public class AtomicReferenceArrayTest ex
31      }
32  
33      /**
34 +     * constructor with null array throws NPE
35 +     */
36 +    public void testConstructor2NPE() {
37 +        try {
38 +            Integer[] a = null;
39 +            AtomicReferenceArray<Integer> ai = new AtomicReferenceArray<Integer>(a);
40 +        } catch (NullPointerException success) {
41 +        } catch (Exception ex) {
42 +            unexpectedException();
43 +        }
44 +    }
45 +
46 +    /**
47 +     * constructor with array is of same size and has all elements
48 +     */
49 +    public void testConstructor2() {
50 +        Integer[] a = { two, one, three, four, seven};
51 +        AtomicReferenceArray<Integer> ai = new AtomicReferenceArray<Integer>(a);
52 +        assertEquals(a.length, ai.length());
53 +        for (int i = 0; i < a.length; ++i)
54 +            assertEquals(a[i], ai.get(i));
55 +    }
56 +
57 +
58 +    /**
59       * get and set for out of bound indices throw IndexOutOfBoundsException
60       */
61      public void testIndexing(){
# Line 55 | Line 82 | public class AtomicReferenceArrayTest ex
82       * get returns the last value set at index
83       */
84      public void testGetSet(){
85 <        AtomicReferenceArray ai = new AtomicReferenceArray(SIZE);
85 >        AtomicReferenceArray ai = new AtomicReferenceArray(SIZE);
86          for (int i = 0; i < SIZE; ++i) {
87              ai.set(i, one);
88              assertEquals(one,ai.get(i));
# Line 67 | Line 94 | public class AtomicReferenceArrayTest ex
94      }
95  
96      /**
97 +     * get returns the last value lazySet at index by same thread
98 +     */
99 +    public void testGetLazySet(){
100 +        AtomicReferenceArray ai = new AtomicReferenceArray(SIZE);
101 +        for (int i = 0; i < SIZE; ++i) {
102 +            ai.lazySet(i, one);
103 +            assertEquals(one,ai.get(i));
104 +            ai.lazySet(i, two);
105 +            assertEquals(two,ai.get(i));
106 +            ai.lazySet(i, m3);
107 +            assertEquals(m3,ai.get(i));
108 +        }
109 +    }
110 +
111 +    /**
112       * compareAndSet succeeds in changing value if equal to expected else fails
113       */
114      public void testCompareAndSet(){
115 <        AtomicReferenceArray ai = new AtomicReferenceArray(SIZE);
115 >        AtomicReferenceArray ai = new AtomicReferenceArray(SIZE);
116          for (int i = 0; i < SIZE; ++i) {
117              ai.set(i, one);
118              assertTrue(ai.compareAndSet(i, one,two));
# Line 108 | Line 150 | public class AtomicReferenceArrayTest ex
150  
151      /**
152       * repeated weakCompareAndSet succeeds in changing value when equal
153 <     * to expected
153 >     * to expected
154       */
155      public void testWeakCompareAndSet(){
156 <        AtomicReferenceArray ai = new AtomicReferenceArray(SIZE);
156 >        AtomicReferenceArray ai = new AtomicReferenceArray(SIZE);
157          for (int i = 0; i < SIZE; ++i) {
158              ai.set(i, one);
159              while(!ai.weakCompareAndSet(i, one,two));
# Line 126 | Line 168 | public class AtomicReferenceArrayTest ex
168       * getAndSet returns previous value and sets to given value at given index
169       */
170      public void testGetAndSet(){
171 <        AtomicReferenceArray ai = new AtomicReferenceArray(SIZE);
171 >        AtomicReferenceArray ai = new AtomicReferenceArray(SIZE);
172          for (int i = 0; i < SIZE; ++i) {
173              ai.set(i, one);
174              assertEquals(one,ai.getAndSet(i,zero));
# Line 139 | Line 181 | public class AtomicReferenceArrayTest ex
181       * a deserialized serialized array holds same values
182       */
183      public void testSerialization() {
184 <        AtomicReferenceArray l = new AtomicReferenceArray(SIZE);
184 >        AtomicReferenceArray l = new AtomicReferenceArray(SIZE);
185          for (int i = 0; i < SIZE; ++i) {
186              l.set(i, new Integer(-i));
187          }
# Line 162 | Line 204 | public class AtomicReferenceArrayTest ex
204          }
205      }
206  
207 +
208 +    /**
209 +     * toString returns current value.
210 +     */
211 +    public void testToString() {
212 +        Integer[] a = { two, one, three, four, seven};
213 +        AtomicReferenceArray<Integer> ai = new AtomicReferenceArray<Integer>(a);
214 +        assertEquals(Arrays.toString(a), ai.toString());
215 +    }
216   }

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