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How to use ShouldNotDeadlockAnswerExecutionTest class of org.mockitousage.bugs package

Best Mockito code snippet using org.mockitousage.bugs.ShouldNotDeadlockAnswerExecutionTest

Source:ShouldNotDeadlockAnswerExecutionTest.java

...12import org.mockito.Mockito;13import org.mockito.invocation.InvocationOnMock;14import org.mockito.stubbing.Answer;15// see bug 19016public class ShouldNotDeadlockAnswerExecutionTest {17    @Test18    public void failIfMockIsSharedBetweenThreads() throws Exception {19        ShouldNotDeadlockAnswerExecutionTest.Service service = Mockito.mock(ShouldNotDeadlockAnswerExecutionTest.Service.class);20        ExecutorService threads = Executors.newCachedThreadPool();21        AtomicInteger counter = new AtomicInteger(2);22        // registed answer on verySlowMethod23        Mockito.when(service.verySlowMethod()).thenAnswer(new ShouldNotDeadlockAnswerExecutionTest.LockingAnswer(counter));24        // execute verySlowMethod twice in separate threads25        threads.execute(new ShouldNotDeadlockAnswerExecutionTest.ServiceRunner(service));26        threads.execute(new ShouldNotDeadlockAnswerExecutionTest.ServiceRunner(service));27        // waiting for threads to finish28        threads.shutdown();29        if (!(threads.awaitTermination(1000, TimeUnit.MILLISECONDS))) {30            // threads were timed-out31            Assert.fail();32        }33    }34    @Test35    public void successIfEveryThreadHasItsOwnMock() throws Exception {36        ShouldNotDeadlockAnswerExecutionTest.Service service1 = Mockito.mock(ShouldNotDeadlockAnswerExecutionTest.Service.class);37        ShouldNotDeadlockAnswerExecutionTest.Service service2 = Mockito.mock(ShouldNotDeadlockAnswerExecutionTest.Service.class);38        ExecutorService threads = Executors.newCachedThreadPool();39        AtomicInteger counter = new AtomicInteger(2);40        // registed answer on verySlowMethod41        Mockito.when(service1.verySlowMethod()).thenAnswer(new ShouldNotDeadlockAnswerExecutionTest.LockingAnswer(counter));42        Mockito.when(service2.verySlowMethod()).thenAnswer(new ShouldNotDeadlockAnswerExecutionTest.LockingAnswer(counter));43        // execute verySlowMethod twice in separate threads44        threads.execute(new ShouldNotDeadlockAnswerExecutionTest.ServiceRunner(service1));45        threads.execute(new ShouldNotDeadlockAnswerExecutionTest.ServiceRunner(service2));46        // waiting for threads to finish47        threads.shutdown();48        if (!(threads.awaitTermination(500, TimeUnit.MILLISECONDS))) {49            // threads were timed-out50            Assert.fail();51        }52    }53    static class LockingAnswer implements Answer<String> {54        private AtomicInteger counter;55        public LockingAnswer(AtomicInteger counter) {56            this.counter = counter;57        }58        /**59         * Decrement counter and wait until counter has value 060         */61        public String answer(InvocationOnMock invocation) throws Throwable {62            counter.decrementAndGet();63            while ((counter.get()) != 0) {64                Thread.sleep(10);65            } 66            return null;67        }68    }69    static class ServiceRunner implements Runnable {70        private ShouldNotDeadlockAnswerExecutionTest.Service service;71        public ServiceRunner(ShouldNotDeadlockAnswerExecutionTest.Service service) {72            this.service = service;73        }74        public void run() {75            service.verySlowMethod();76        }77    }78    interface Service {79        String verySlowMethod();80    }81}...

ShouldNotDeadlockAnswerExecutionTest

Using AI Code Generation

1package org.mockitousage.bugs;2import org.junit.Test;3import org.mockito.Mockito;4import org.mockito.exceptions.verification.junit.ArgumentsAreDifferent;5import org.mockito.exceptions.verification.junit.TooFewActualInvocations;6import org.mockito.exceptions.verification.junit.TooManyActualInvocations;7import org.mockitousage.IMethods;8import org.mockitoutil.TestBase;9import java.util.concurrent.CountDownLatch;10import static org.junit.Assert.fail;11import static org.mockito.Mockito.*;12public class ShouldNotDeadlockAnswerExecutionTest extends TestBase {13    public void should_not_deadlock_when_answer_executes_the_same_method() throws InterruptedException {14        IMethods mock = mock(IMethods.class, new AnswerThatExecutesSameMethod());15        final CountDownLatch latch = new CountDownLatch(1);16        Thread t = new Thread(new Runnable() {17            public void run() {18                mock.simpleMethod(1);19                latch.countDown();20            }21        });22        t.start();23        t.join();24        latch.await();25        verify(mock).simpleMethod(1);26    }27    public void should_not_deadlock_when_answer_executes_another_method() throws InterruptedException {28        IMethods mock = mock(IMethods.class, new AnswerThatExecutesAnotherMethod());29        final CountDownLatch latch = new CountDownLatch(1);30        Thread t = new Thread(new Runnable() {31            public void run() {32                mock.simpleMethod(1);33                latch.countDown();34            }35        });36        t.start();37        t.join();38        latch.await();39        verify(mock).simpleMethod(1);40    }41    public void should_not_deadlock_when_answer_executes_another_mock() throws InterruptedException {42        IMethods mock = mock(IMethods.class, new AnswerThatExecutesAnotherMock());43        final CountDownLatch latch = new CountDownLatch(1);44        Thread t = new Thread(new Runnable() {45            public void run() {46                mock.simpleMethod(1);47                latch.countDown();48            }49        });50        t.start();51        t.join();52        latch.await();53        verify(mock).simpleMethod(1);54    }55    public void should_not_deadlock_when_answer_executes_another_mock_in_another_thread() throws InterruptedException {56        IMethods mock = mock(IMethods.class, new AnswerThatExecutesAnotherMockInAnotherThread());

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