--- jsr166/src/test/tck/AtomicReferenceArrayTest.java	2011/03/15 19:47:06	1.19
+++ jsr166/src/test/tck/AtomicReferenceArrayTest.java	2013/05/30 03:28:55	1.28
@@ -7,9 +7,8 @@
  */
 
 import junit.framework.*;
-import java.util.concurrent.atomic.*;
-import java.io.*;
-import java.util.*;
+import java.util.Arrays;
+import java.util.concurrent.atomic.AtomicReferenceArray;
 
 public class AtomicReferenceArrayTest extends JSR166TestCase {
     public static void main(String[] args) {
@@ -23,9 +22,9 @@ public class AtomicReferenceArrayTest ex
      * constructor creates array of given size with all elements null
      */
     public void testConstructor() {
-        AtomicReferenceArray<Integer> ai = new AtomicReferenceArray<Integer>(SIZE);
-        for (int i = 0; i < SIZE; ++i) {
-            assertNull(ai.get(i));
+        AtomicReferenceArray<Integer> aa = new AtomicReferenceArray<Integer>(SIZE);
+        for (int i = 0; i < SIZE; i++) {
+            assertNull(aa.get(i));
         }
     }
 
@@ -35,7 +34,7 @@ public class AtomicReferenceArrayTest ex
     public void testConstructor2NPE() {
         try {
             Integer[] a = null;
-            AtomicReferenceArray<Integer> ai = new AtomicReferenceArray<Integer>(a);
+            AtomicReferenceArray<Integer> aa = new AtomicReferenceArray<Integer>(a);
             shouldThrow();
         } catch (NullPointerException success) {}
     }
@@ -44,38 +43,54 @@ public class AtomicReferenceArrayTest ex
      * constructor with array is of same size and has all elements
      */
     public void testConstructor2() {
-        Integer[] a = { two, one, three, four, seven};
-        AtomicReferenceArray<Integer> ai = new AtomicReferenceArray<Integer>(a);
-        assertEquals(a.length, ai.length());
-        for (int i = 0; i < a.length; ++i)
-            assertEquals(a[i], ai.get(i));
+        Integer[] a = { two, one, three, four, seven };
+        AtomicReferenceArray<Integer> aa = new AtomicReferenceArray<Integer>(a);
+        assertEquals(a.length, aa.length());
+        for (int i = 0; i < a.length; i++)
+            assertEquals(a[i], aa.get(i));
     }
 
+    /**
+     * Initialize AtomicReferenceArray<Class> with SubClass[]
+     */
+    public void testConstructorSubClassArray() {
+        Integer[] a = { two, one, three, four, seven };
+        AtomicReferenceArray<Number> aa = new AtomicReferenceArray<Number>(a);
+        assertEquals(a.length, aa.length());
+        for (int i = 0; i < a.length; i++) {
+            assertSame(a[i], aa.get(i));
+            Long x = Long.valueOf(i);
+            aa.set(i, x);
+            assertSame(x, aa.get(i));
+        }
+    }
 
     /**
      * get and set for out of bound indices throw IndexOutOfBoundsException
      */
     public void testIndexing() {
-        AtomicReferenceArray<Integer> ai = new AtomicReferenceArray<Integer>(SIZE);
-        try {
-            ai.get(SIZE);
-            shouldThrow();
-        } catch (IndexOutOfBoundsException success) {
-        }
-        try {
-            ai.get(-1);
-            shouldThrow();
-        } catch (IndexOutOfBoundsException success) {
-        }
-        try {
-            ai.set(SIZE, null);
-            shouldThrow();
-        } catch (IndexOutOfBoundsException success) {
-        }
-        try {
-            ai.set(-1, null);
-            shouldThrow();
-        } catch (IndexOutOfBoundsException success) {
+        AtomicReferenceArray<Integer> aa = new AtomicReferenceArray<Integer>(SIZE);
+        for (int index : new int[] { -1, SIZE }) {
+            try {
+                aa.get(index);
+                shouldThrow();
+            } catch (IndexOutOfBoundsException success) {}
+            try {
+                aa.set(index, null);
+                shouldThrow();
+            } catch (IndexOutOfBoundsException success) {}
+            try {
+                aa.lazySet(index, null);
+                shouldThrow();
+            } catch (IndexOutOfBoundsException success) {}
+            try {
+                aa.compareAndSet(index, null, null);
+                shouldThrow();
+            } catch (IndexOutOfBoundsException success) {}
+            try {
+                aa.weakCompareAndSet(index, null, null);
+                shouldThrow();
+            } catch (IndexOutOfBoundsException success) {}
         }
     }
 
@@ -83,14 +98,14 @@ public class AtomicReferenceArrayTest ex
      * get returns the last value set at index
      */
     public void testGetSet() {
-        AtomicReferenceArray ai = new AtomicReferenceArray(SIZE);
-        for (int i = 0; i < SIZE; ++i) {
-            ai.set(i, one);
-            assertSame(one,ai.get(i));
-            ai.set(i, two);
-            assertSame(two,ai.get(i));
-            ai.set(i, m3);
-            assertSame(m3,ai.get(i));
+        AtomicReferenceArray aa = new AtomicReferenceArray(SIZE);
+        for (int i = 0; i < SIZE; i++) {
+            aa.set(i, one);
+            assertSame(one, aa.get(i));
+            aa.set(i, two);
+            assertSame(two, aa.get(i));
+            aa.set(i, m3);
+            assertSame(m3, aa.get(i));
         }
     }
 
@@ -98,14 +113,14 @@ public class AtomicReferenceArrayTest ex
      * get returns the last value lazySet at index by same thread
      */
     public void testGetLazySet() {
-        AtomicReferenceArray ai = new AtomicReferenceArray(SIZE);
-        for (int i = 0; i < SIZE; ++i) {
-            ai.lazySet(i, one);
-            assertSame(one,ai.get(i));
-            ai.lazySet(i, two);
-            assertSame(two,ai.get(i));
-            ai.lazySet(i, m3);
-            assertSame(m3,ai.get(i));
+        AtomicReferenceArray aa = new AtomicReferenceArray(SIZE);
+        for (int i = 0; i < SIZE; i++) {
+            aa.lazySet(i, one);
+            assertSame(one, aa.get(i));
+            aa.lazySet(i, two);
+            assertSame(two, aa.get(i));
+            aa.lazySet(i, m3);
+            assertSame(m3, aa.get(i));
         }
     }
 
@@ -113,16 +128,16 @@ public class AtomicReferenceArrayTest ex
      * compareAndSet succeeds in changing value if equal to expected else fails
      */
     public void testCompareAndSet() {
-        AtomicReferenceArray ai = new AtomicReferenceArray(SIZE);
-        for (int i = 0; i < SIZE; ++i) {
-            ai.set(i, one);
-            assertTrue(ai.compareAndSet(i, one,two));
-            assertTrue(ai.compareAndSet(i, two,m4));
-            assertSame(m4,ai.get(i));
-            assertFalse(ai.compareAndSet(i, m5,seven));
-            assertSame(m4,ai.get(i));
-            assertTrue(ai.compareAndSet(i, m4,seven));
-            assertSame(seven,ai.get(i));
+        AtomicReferenceArray aa = new AtomicReferenceArray(SIZE);
+        for (int i = 0; i < SIZE; i++) {
+            aa.set(i, one);
+            assertTrue(aa.compareAndSet(i, one, two));
+            assertTrue(aa.compareAndSet(i, two, m4));
+            assertSame(m4, aa.get(i));
+            assertFalse(aa.compareAndSet(i, m5, seven));
+            assertSame(m4, aa.get(i));
+            assertTrue(aa.compareAndSet(i, m4, seven));
+            assertSame(seven, aa.get(i));
         }
     }
 
@@ -143,7 +158,7 @@ public class AtomicReferenceArrayTest ex
         assertTrue(a.compareAndSet(0, one, two));
         t.join(LONG_DELAY_MS);
         assertFalse(t.isAlive());
-        assertSame(a.get(0), three);
+        assertSame(three, a.get(0));
     }
 
     /**
@@ -151,14 +166,14 @@ public class AtomicReferenceArrayTest ex
      * to expected
      */
     public void testWeakCompareAndSet() {
-        AtomicReferenceArray ai = new AtomicReferenceArray(SIZE);
-        for (int i = 0; i < SIZE; ++i) {
-            ai.set(i, one);
-            while (!ai.weakCompareAndSet(i, one,two));
-            while (!ai.weakCompareAndSet(i, two,m4));
-            assertSame(m4,ai.get(i));
-            while (!ai.weakCompareAndSet(i, m4,seven));
-            assertSame(seven,ai.get(i));
+        AtomicReferenceArray aa = new AtomicReferenceArray(SIZE);
+        for (int i = 0; i < SIZE; i++) {
+            aa.set(i, one);
+            while (!aa.weakCompareAndSet(i, one, two));
+            while (!aa.weakCompareAndSet(i, two, m4));
+            assertSame(m4, aa.get(i));
+            while (!aa.weakCompareAndSet(i, m4, seven));
+            assertSame(seven, aa.get(i));
         }
     }
 
@@ -166,12 +181,12 @@ public class AtomicReferenceArrayTest ex
      * getAndSet returns previous value and sets to given value at given index
      */
     public void testGetAndSet() {
-        AtomicReferenceArray ai = new AtomicReferenceArray(SIZE);
-        for (int i = 0; i < SIZE; ++i) {
-            ai.set(i, one);
-            assertSame(one,ai.getAndSet(i,zero));
-            assertSame(zero,ai.getAndSet(i,m10));
-            assertSame(m10,ai.getAndSet(i,one));
+        AtomicReferenceArray aa = new AtomicReferenceArray(SIZE);
+        for (int i = 0; i < SIZE; i++) {
+            aa.set(i, one);
+            assertSame(one, aa.getAndSet(i, zero));
+            assertSame(zero, aa.getAndSet(i, m10));
+            assertSame(m10, aa.getAndSet(i, one));
         }
     }
 
@@ -179,32 +194,24 @@ public class AtomicReferenceArrayTest ex
      * a deserialized serialized array holds same values
      */
     public void testSerialization() throws Exception {
-        AtomicReferenceArray l = new AtomicReferenceArray(SIZE);
-        for (int i = 0; i < SIZE; ++i) {
-            l.set(i, new Integer(-i));
-        }
-
-        ByteArrayOutputStream bout = new ByteArrayOutputStream(10000);
-        ObjectOutputStream out = new ObjectOutputStream(new BufferedOutputStream(bout));
-        out.writeObject(l);
-        out.close();
-
-        ByteArrayInputStream bin = new ByteArrayInputStream(bout.toByteArray());
-        ObjectInputStream in = new ObjectInputStream(new BufferedInputStream(bin));
-        AtomicReferenceArray r = (AtomicReferenceArray) in.readObject();
-        assertEquals(l.length(), r.length());
-        for (int i = 0; i < SIZE; ++i) {
-            assertEquals(r.get(i), l.get(i));
+        AtomicReferenceArray x = new AtomicReferenceArray(SIZE);
+        for (int i = 0; i < SIZE; i++) {
+            x.set(i, new Integer(-i));
+        }
+        AtomicReferenceArray y = serialClone(x);
+        assertNotSame(x, y);
+        assertEquals(x.length(), y.length());
+        for (int i = 0; i < SIZE; i++) {
+            assertEquals(x.get(i), y.get(i));
         }
     }
 
-
     /**
      * toString returns current value.
      */
     public void testToString() {
-        Integer[] a = { two, one, three, four, seven};
-        AtomicReferenceArray<Integer> ai = new AtomicReferenceArray<Integer>(a);
-        assertEquals(Arrays.toString(a), ai.toString());
+        Integer[] a = { two, one, three, four, seven };
+        AtomicReferenceArray<Integer> aa = new AtomicReferenceArray<Integer>(a);
+        assertEquals(Arrays.toString(a), aa.toString());
     }
 }