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import java.util.*; |
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public class AtomicLongArrayTest 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(AtomicLongArrayTest.class); |
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assertTrue(ai.compareAndSet(i, 2,-4)); |
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assertEquals(-4,ai.get(i)); |
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assertFalse(ai.compareAndSet(i, -5,7)); |
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assertFalse((7 == ai.get(i))); |
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assertEquals(-4,ai.get(i)); |
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assertTrue(ai.compareAndSet(i, -4,7)); |
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assertEquals(7,ai.get(i)); |
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} |
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public void testCompareAndSetInMultipleThreads() throws InterruptedException { |
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final AtomicLongArray a = new AtomicLongArray(1); |
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a.set(0, 1); |
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Thread t = new Thread(new Runnable() { |
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public void run() { |
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while (!a.compareAndSet(0, 2, 3)) Thread.yield(); |
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}}); |
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> |
Thread t = new Thread(new CheckedRunnable() { |
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> |
public void realRun() { |
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> |
while (!a.compareAndSet(0, 2, 3)) |
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> |
Thread.yield(); |
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> |
}}); |
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t.start(); |
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assertTrue(a.compareAndSet(0, 1, 2)); |
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static final long COUNTDOWN = 100000; |
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class Counter implements Runnable { |
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> |
class Counter extends CheckedRunnable { |
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final AtomicLongArray ai; |
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volatile long counts; |
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Counter(AtomicLongArray a) { ai = a; } |
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< |
public void run() { |
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> |
public void realRun() { |
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for (;;) { |
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boolean done = true; |
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for (int i = 0; i < ai.length(); ++i) { |
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long v = ai.get(i); |
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< |
threadAssertTrue(v >= 0); |
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> |
assertTrue(v >= 0); |
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if (v != 0) { |
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done = false; |
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if (ai.compareAndSet(i, v, v-1)) |