Yuta HIGUCHI | e8f48d8 | 2016-08-24 20:27:48 -0700 | [diff] [blame] | 1 | package org.onlab.util; |
| 2 | |
| 3 | import java.util.concurrent.Callable; |
| 4 | import java.util.concurrent.CountDownLatch; |
| 5 | import java.util.concurrent.ExecutorService; |
| 6 | import java.util.concurrent.TimeUnit; |
| 7 | import java.util.concurrent.atomic.AtomicReference; |
| 8 | |
| 9 | import org.junit.After; |
| 10 | import org.junit.Before; |
| 11 | import org.junit.Test; |
| 12 | import org.onlab.util.PredictableExecutor.PickyRunnable; |
| 13 | import com.google.common.testing.EqualsTester; |
| 14 | |
| 15 | public class PredictableExecutorTest { |
| 16 | |
| 17 | private PredictableExecutor pexecutor; |
| 18 | private ExecutorService executor; |
| 19 | |
| 20 | @Before |
| 21 | public void setUp() { |
| 22 | pexecutor = new PredictableExecutor(3, Tools.namedThreads("Thread-%d")); |
| 23 | executor = pexecutor; |
| 24 | } |
| 25 | |
| 26 | @After |
| 27 | public void tearDown() { |
| 28 | pexecutor.shutdownNow(); |
| 29 | } |
| 30 | |
| 31 | @Test |
| 32 | public void test() throws InterruptedException { |
| 33 | CountDownLatch latch = new CountDownLatch(7); |
| 34 | AtomicReference<String> hintValue0 = new AtomicReference<>(""); |
| 35 | AtomicReference<String> hintValue1 = new AtomicReference<>(""); |
| 36 | AtomicReference<String> hintFunction0 = new AtomicReference<>(""); |
| 37 | AtomicReference<String> pickyRunnable0 = new AtomicReference<>(""); |
| 38 | AtomicReference<String> pickyRunnable1 = new AtomicReference<>(""); |
| 39 | AtomicReference<String> pickyCallable0 = new AtomicReference<>(""); |
| 40 | AtomicReference<String> hashCode0 = new AtomicReference<>(""); |
| 41 | |
| 42 | pexecutor.execute(() -> { |
| 43 | hintValue0.set(Thread.currentThread().getName()); |
| 44 | latch.countDown(); |
| 45 | }, 0); |
| 46 | |
| 47 | pexecutor.execute(() -> { |
| 48 | hintValue1.set(Thread.currentThread().getName()); |
| 49 | latch.countDown(); |
| 50 | }, 1); |
| 51 | |
| 52 | pexecutor.execute(() -> { |
| 53 | hintFunction0.set(Thread.currentThread().getName()); |
| 54 | latch.countDown(); |
| 55 | }, (runnable) -> 0); |
| 56 | |
| 57 | pexecutor.execute(new PickyRunnable() { |
| 58 | |
| 59 | @Override |
| 60 | public void run() { |
| 61 | pickyRunnable0.set(Thread.currentThread().getName()); |
| 62 | latch.countDown(); |
| 63 | } |
| 64 | |
| 65 | @Override |
| 66 | public int hint() { |
| 67 | return 0; |
| 68 | } |
| 69 | }); |
| 70 | |
| 71 | executor.execute(new PickyRunnable() { |
| 72 | |
| 73 | @Override |
| 74 | public void run() { |
| 75 | pickyRunnable1.set(Thread.currentThread().getName()); |
| 76 | latch.countDown(); |
| 77 | } |
| 78 | |
| 79 | @Override |
| 80 | public int hint() { |
| 81 | return 1; |
| 82 | } |
| 83 | }); |
| 84 | |
| 85 | Callable<Void> callable = new Callable<Void>() { |
| 86 | @Override |
| 87 | public Void call() { |
| 88 | pickyCallable0.set(Thread.currentThread().getName()); |
| 89 | latch.countDown(); |
| 90 | return null; |
| 91 | } |
| 92 | }; |
| 93 | |
| 94 | executor.submit(PredictableExecutor.picky(callable, 0)); |
| 95 | |
| 96 | |
| 97 | executor.execute(new Runnable() { |
| 98 | |
| 99 | @Override |
| 100 | public void run() { |
| 101 | hashCode0.set(Thread.currentThread().getName()); |
| 102 | latch.countDown(); |
| 103 | |
| 104 | } |
| 105 | |
| 106 | @Override |
| 107 | public int hashCode() { |
| 108 | return 0; |
| 109 | } |
| 110 | }); |
| 111 | |
| 112 | latch.await(1, TimeUnit.SECONDS); |
| 113 | |
| 114 | new EqualsTester() |
| 115 | .addEqualityGroup(hintValue0.get(), |
| 116 | hintFunction0.get(), |
| 117 | pickyRunnable0.get(), |
| 118 | pickyCallable0.get(), |
| 119 | hashCode0.get()) |
| 120 | .addEqualityGroup(hintValue1.get(), |
| 121 | pickyRunnable1.get()) |
| 122 | .testEquals(); |
| 123 | } |
| 124 | } |