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/* |
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* Written by Doug Lea with assistance from members of JCP JSR-166 |
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* Expert Group and released to the public domain, as explained at |
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* http://creativecommons.org/licenses/publicdomain |
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* http://creativecommons.org/publicdomain/zero/1.0/ |
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* Other contributors include Andrew Wright, Jeffrey Hayes, |
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* Pat Fisher, Mike Judd. |
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*/ |
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import junit.framework.*; |
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import java.util.concurrent.atomic.*; |
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import java.io.*; |
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import java.util.*; |
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import java.util.Arrays; |
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import java.util.concurrent.atomic.AtomicReferenceArray; |
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public class AtomicReferenceArrayTest extends JSR166TestCase { |
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public static void main (String[] args) { |
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junit.textui.TestRunner.run (suite()); |
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public static void main(String[] args) { |
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junit.textui.TestRunner.run(suite()); |
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} |
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public static Test suite() { |
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return new TestSuite(AtomicReferenceArrayTest.class); |
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* constructor with array is of same size and has all elements |
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*/ |
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public void testConstructor2() { |
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Integer[] a = { two, one, three, four, seven}; |
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Integer[] a = { two, one, three, four, seven }; |
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AtomicReferenceArray<Integer> ai = new AtomicReferenceArray<Integer>(a); |
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assertEquals(a.length, ai.length()); |
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for (int i = 0; i < a.length; ++i) |
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assertEquals(a[i], ai.get(i)); |
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} |
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/** |
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* Initialize AtomicReference<Class> with SubClass[] |
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*/ |
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public void testConstructorSubClassArray() { |
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Integer[] a = { two, one, three, four, seven }; |
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AtomicReferenceArray<Number> aa = new AtomicReferenceArray<Number>(a); |
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assertEquals(a.length, aa.length()); |
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for (int i = 0; i < a.length; ++i) { |
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assertSame(a[i], aa.get(i)); |
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Long x = Long.valueOf(i); |
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aa.set(i, x); |
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assertSame(x, aa.get(i)); |
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} |
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} |
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/** |
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* get and set for out of bound indices throw IndexOutOfBoundsException |
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* a deserialized serialized array holds same values |
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*/ |
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public void testSerialization() throws Exception { |
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AtomicReferenceArray l = new AtomicReferenceArray(SIZE); |
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for (int i = 0; i < SIZE; ++i) { |
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l.set(i, new Integer(-i)); |
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} |
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ByteArrayOutputStream bout = new ByteArrayOutputStream(10000); |
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ObjectOutputStream out = new ObjectOutputStream(new BufferedOutputStream(bout)); |
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out.writeObject(l); |
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out.close(); |
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ByteArrayInputStream bin = new ByteArrayInputStream(bout.toByteArray()); |
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ObjectInputStream in = new ObjectInputStream(new BufferedInputStream(bin)); |
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AtomicReferenceArray r = (AtomicReferenceArray) in.readObject(); |
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assertEquals(l.length(), r.length()); |
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for (int i = 0; i < SIZE; ++i) { |
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assertEquals(r.get(i), l.get(i)); |
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AtomicReferenceArray x = new AtomicReferenceArray(SIZE); |
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for (int i = 0; i < SIZE; i++) { |
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x.set(i, new Integer(-i)); |
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} |
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AtomicReferenceArray y = serialClone(x); |
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assertTrue(x != y); |
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assertEquals(x.length(), y.length()); |
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for (int i = 0; i < SIZE; i++) { |
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assertEquals(x.get(i), y.get(i)); |
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} |
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} |
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– |
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/** |
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* toString returns current value. |
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*/ |
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public void testToString() { |
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Integer[] a = { two, one, three, four, seven}; |
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Integer[] a = { two, one, three, four, seven }; |
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AtomicReferenceArray<Integer> ai = new AtomicReferenceArray<Integer>(a); |
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assertEquals(Arrays.toString(a), ai.toString()); |
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} |