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Comparing jsr166/src/test/tck/AtomicStampedReferenceTest.java (file contents):
Revision 1.9 by jsr166, Mon Nov 16 04:57:10 2009 UTC vs.
Revision 1.11 by jsr166, Tue Nov 17 03:12:51 2009 UTC

# Line 9 | Line 9
9   import junit.framework.*;
10   import java.util.concurrent.atomic.*;
11  
12 < public class AtomicStampedReferenceTest extends JSR166TestCase{
12 > public class AtomicStampedReferenceTest extends JSR166TestCase {
13      public static void main (String[] args) {
14          junit.textui.TestRunner.run (suite());
15      }
# Line 20 | Line 20 | public class AtomicStampedReferenceTest
20      /**
21       * constructor initializes to given reference and stamp
22       */
23 <    public void testConstructor(){
23 >    public void testConstructor() {
24          AtomicStampedReference ai = new AtomicStampedReference(one, 0);
25          assertEquals(one,ai.getReference());
26          assertEquals(0, ai.getStamp());
# Line 33 | Line 33 | public class AtomicStampedReferenceTest
33      /**
34       *  get returns the last values of reference and stamp set
35       */
36 <    public void testGetSet(){
36 >    public void testGetSet() {
37          int[] mark = new int[1];
38          AtomicStampedReference ai = new AtomicStampedReference(one, 0);
39          assertEquals(one,ai.getReference());
# Line 55 | Line 55 | public class AtomicStampedReferenceTest
55      /**
56       *  attemptStamp succeeds in single thread
57       */
58 <    public void testAttemptStamp(){
58 >    public void testAttemptStamp() {
59          int[] mark = new int[1];
60          AtomicStampedReference ai = new AtomicStampedReference(one, 0);
61          assertEquals(0, ai.getStamp());
# Line 69 | Line 69 | public class AtomicStampedReferenceTest
69       * compareAndSet succeeds in changing values if equal to expected reference
70       * and stamp else fails
71       */
72 <    public void testCompareAndSet(){
72 >    public void testCompareAndSet() {
73          int[] mark = new int[1];
74          AtomicStampedReference ai = new AtomicStampedReference(one, 0);
75          assertEquals(one, ai.get(mark));
# Line 93 | Line 93 | public class AtomicStampedReferenceTest
93       * compareAndSet in one thread enables another waiting for reference value
94       * to succeed
95       */
96 <    public void testCompareAndSetInMultipleThreads() {
96 >    public void testCompareAndSetInMultipleThreads() throws Exception {
97          final AtomicStampedReference ai = new AtomicStampedReference(one, 0);
98          Thread t = new Thread(new Runnable() {
99                  public void run() {
100                      while (!ai.compareAndSet(two, three, 0, 0)) Thread.yield();
101                  }});
102 <        try {
103 <            t.start();
104 <            assertTrue(ai.compareAndSet(one, two, 0, 0));
105 <            t.join(LONG_DELAY_MS);
106 <            assertFalse(t.isAlive());
107 <            assertEquals(ai.getReference(), three);
108 <            assertEquals(ai.getStamp(), 0);
109 <        }
110 <        catch (Exception e) {
111 <            unexpectedException();
112 <        }
102 >
103 >        t.start();
104 >        assertTrue(ai.compareAndSet(one, two, 0, 0));
105 >        t.join(LONG_DELAY_MS);
106 >        assertFalse(t.isAlive());
107 >        assertEquals(ai.getReference(), three);
108 >        assertEquals(ai.getStamp(), 0);
109      }
110  
111      /**
112       * compareAndSet in one thread enables another waiting for stamp value
113       * to succeed
114       */
115 <    public void testCompareAndSetInMultipleThreads2() {
115 >    public void testCompareAndSetInMultipleThreads2() throws Exception {
116          final AtomicStampedReference ai = new AtomicStampedReference(one, 0);
117          Thread t = new Thread(new Runnable() {
118                  public void run() {
119                      while (!ai.compareAndSet(one, one, 1, 2)) Thread.yield();
120                  }});
121 <        try {
122 <            t.start();
123 <            assertTrue(ai.compareAndSet(one, one, 0, 1));
124 <            t.join(LONG_DELAY_MS);
125 <            assertFalse(t.isAlive());
126 <            assertEquals(ai.getReference(), one);
127 <            assertEquals(ai.getStamp(), 2);
132 <        }
133 <        catch (Exception e) {
134 <            unexpectedException();
135 <        }
121 >
122 >        t.start();
123 >        assertTrue(ai.compareAndSet(one, one, 0, 1));
124 >        t.join(LONG_DELAY_MS);
125 >        assertFalse(t.isAlive());
126 >        assertEquals(ai.getReference(), one);
127 >        assertEquals(ai.getStamp(), 2);
128      }
129  
130      /**
131       * repeated weakCompareAndSet succeeds in changing values when equal
132       * to expected
133       */
134 <    public void testWeakCompareAndSet(){
134 >    public void testWeakCompareAndSet() {
135          int[] mark = new int[1];
136          AtomicStampedReference ai = new AtomicStampedReference(one, 0);
137          assertEquals(one, ai.get(mark));

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