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Comparing jsr166/src/test/tck/AtomicReferenceArrayTest.java (file contents):
Revision 1.18 by jsr166, Wed Aug 25 00:07:03 2010 UTC vs.
Revision 1.25 by jsr166, Fri Jun 10 20:17:11 2011 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
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.concurrent.atomic.*;
11 < import java.io.*;
12 < import java.util.*;
10 > import java.util.Arrays;
11 > import java.util.concurrent.atomic.AtomicReferenceArray;
12  
13   public class AtomicReferenceArrayTest extends JSR166TestCase {
14      public static void main(String[] args) {
# Line 44 | Line 43 | public class AtomicReferenceArrayTest ex
43       * constructor with array is of same size and has all elements
44       */
45      public void testConstructor2() {
46 <        Integer[] a = { two, one, three, four, seven};
46 >        Integer[] a = { two, one, three, four, seven };
47          AtomicReferenceArray<Integer> ai = new AtomicReferenceArray<Integer>(a);
48          assertEquals(a.length, ai.length());
49          for (int i = 0; i < a.length; ++i)
50              assertEquals(a[i], ai.get(i));
51      }
52  
53 +    /**
54 +     * Initialize AtomicReference<Class> with SubClass[]
55 +     */
56 +    public void testConstructorSubClassArray() {
57 +        Integer[] a = { two, one, three, four, seven };
58 +        AtomicReferenceArray<Number> aa = new AtomicReferenceArray<Number>(a);
59 +        assertEquals(a.length, aa.length());
60 +        for (int i = 0; i < a.length; ++i) {
61 +            assertSame(a[i], aa.get(i));
62 +            Long x = Long.valueOf(i);
63 +            aa.set(i, x);
64 +            assertSame(x, aa.get(i));
65 +        }
66 +    }
67  
68      /**
69       * get and set for out of bound indices throw IndexOutOfBoundsException
# Line 86 | Line 99 | public class AtomicReferenceArrayTest ex
99          AtomicReferenceArray ai = new AtomicReferenceArray(SIZE);
100          for (int i = 0; i < SIZE; ++i) {
101              ai.set(i, one);
102 <            assertSame(one,ai.get(i));
102 >            assertSame(one, ai.get(i));
103              ai.set(i, two);
104 <            assertSame(two,ai.get(i));
104 >            assertSame(two, ai.get(i));
105              ai.set(i, m3);
106 <            assertSame(m3,ai.get(i));
106 >            assertSame(m3, ai.get(i));
107          }
108      }
109  
# Line 101 | Line 114 | public class AtomicReferenceArrayTest ex
114          AtomicReferenceArray ai = new AtomicReferenceArray(SIZE);
115          for (int i = 0; i < SIZE; ++i) {
116              ai.lazySet(i, one);
117 <            assertSame(one,ai.get(i));
117 >            assertSame(one, ai.get(i));
118              ai.lazySet(i, two);
119 <            assertSame(two,ai.get(i));
119 >            assertSame(two, ai.get(i));
120              ai.lazySet(i, m3);
121 <            assertSame(m3,ai.get(i));
121 >            assertSame(m3, ai.get(i));
122          }
123      }
124  
# Line 116 | Line 129 | public class AtomicReferenceArrayTest ex
129          AtomicReferenceArray ai = new AtomicReferenceArray(SIZE);
130          for (int i = 0; i < SIZE; ++i) {
131              ai.set(i, one);
132 <            assertTrue(ai.compareAndSet(i, one,two));
133 <            assertTrue(ai.compareAndSet(i, two,m4));
134 <            assertSame(m4,ai.get(i));
135 <            assertFalse(ai.compareAndSet(i, m5,seven));
136 <            assertSame(m4,ai.get(i));
137 <            assertTrue(ai.compareAndSet(i, m4,seven));
138 <            assertSame(seven,ai.get(i));
132 >            assertTrue(ai.compareAndSet(i, one, two));
133 >            assertTrue(ai.compareAndSet(i, two, m4));
134 >            assertSame(m4, ai.get(i));
135 >            assertFalse(ai.compareAndSet(i, m5, seven));
136 >            assertSame(m4, ai.get(i));
137 >            assertTrue(ai.compareAndSet(i, m4, seven));
138 >            assertSame(seven, ai.get(i));
139          }
140      }
141  
# Line 143 | Line 156 | public class AtomicReferenceArrayTest ex
156          assertTrue(a.compareAndSet(0, one, two));
157          t.join(LONG_DELAY_MS);
158          assertFalse(t.isAlive());
159 <        assertSame(a.get(0), three);
159 >        assertSame(three, a.get(0));
160      }
161  
162      /**
# Line 154 | Line 167 | public class AtomicReferenceArrayTest ex
167          AtomicReferenceArray ai = new AtomicReferenceArray(SIZE);
168          for (int i = 0; i < SIZE; ++i) {
169              ai.set(i, one);
170 <            while (!ai.weakCompareAndSet(i, one,two));
171 <            while (!ai.weakCompareAndSet(i, two,m4));
172 <            assertSame(m4,ai.get(i));
173 <            while (!ai.weakCompareAndSet(i, m4,seven));
174 <            assertSame(seven,ai.get(i));
170 >            while (!ai.weakCompareAndSet(i, one, two));
171 >            while (!ai.weakCompareAndSet(i, two, m4));
172 >            assertSame(m4, ai.get(i));
173 >            while (!ai.weakCompareAndSet(i, m4, seven));
174 >            assertSame(seven, ai.get(i));
175          }
176      }
177  
# Line 169 | Line 182 | public class AtomicReferenceArrayTest ex
182          AtomicReferenceArray ai = new AtomicReferenceArray(SIZE);
183          for (int i = 0; i < SIZE; ++i) {
184              ai.set(i, one);
185 <            assertSame(one,ai.getAndSet(i,zero));
186 <            assertSame(zero,ai.getAndSet(i,m10));
187 <            assertSame(m10,ai.getAndSet(i,one));
185 >            assertSame(one, ai.getAndSet(i, zero));
186 >            assertSame(zero, ai.getAndSet(i, m10));
187 >            assertSame(m10, ai.getAndSet(i, one));
188          }
189      }
190  
# Line 179 | Line 192 | public class AtomicReferenceArrayTest ex
192       * a deserialized serialized array holds same values
193       */
194      public void testSerialization() throws Exception {
195 <        AtomicReferenceArray l = new AtomicReferenceArray(SIZE);
196 <        for (int i = 0; i < SIZE; ++i) {
197 <            l.set(i, new Integer(-i));
198 <        }
199 <
200 <        ByteArrayOutputStream bout = new ByteArrayOutputStream(10000);
201 <        ObjectOutputStream out = new ObjectOutputStream(new BufferedOutputStream(bout));
202 <        out.writeObject(l);
203 <        out.close();
191 <
192 <        ByteArrayInputStream bin = new ByteArrayInputStream(bout.toByteArray());
193 <        ObjectInputStream in = new ObjectInputStream(new BufferedInputStream(bin));
194 <        AtomicReferenceArray r = (AtomicReferenceArray) in.readObject();
195 <        assertEquals(l.length(), r.length());
196 <        for (int i = 0; i < SIZE; ++i) {
197 <            assertEquals(r.get(i), l.get(i));
195 >        AtomicReferenceArray x = new AtomicReferenceArray(SIZE);
196 >        for (int i = 0; i < SIZE; i++) {
197 >            x.set(i, new Integer(-i));
198 >        }
199 >        AtomicReferenceArray y = serialClone(x);
200 >        assertTrue(x != y);
201 >        assertEquals(x.length(), y.length());
202 >        for (int i = 0; i < SIZE; i++) {
203 >            assertEquals(x.get(i), y.get(i));
204          }
205      }
206  
201
207      /**
208       * toString returns current value.
209       */
210      public void testToString() {
211 <        Integer[] a = { two, one, three, four, seven};
211 >        Integer[] a = { two, one, three, four, seven };
212          AtomicReferenceArray<Integer> ai = new AtomicReferenceArray<Integer>(a);
213          assertEquals(Arrays.toString(a), ai.toString());
214      }

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