| /* |
| * Copyright (C) 2011 The Guava Authors |
| * |
| * Licensed under the Apache License, Version 2.0 (the "License"); |
| * you may not use this file except in compliance with the License. |
| * You may obtain a copy of the License at |
| * |
| * http://www.apache.org/licenses/LICENSE-2.0 |
| * |
| * Unless required by applicable law or agreed to in writing, software |
| * distributed under the License is distributed on an "AS IS" BASIS, |
| * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
| * See the License for the specific language governing permissions and |
| * limitations under the License. |
| */ |
| |
| package com.google.common.util.concurrent; |
| |
| import static com.google.common.truth.Truth.assertThat; |
| |
| import com.google.common.collect.ImmutableList; |
| import java.util.List; |
| import java.util.concurrent.Callable; |
| import java.util.concurrent.TimeUnit; |
| import junit.framework.TestCase; |
| |
| /** |
| * Tests for {@link AbstractListeningExecutorService}. |
| * |
| * @author Colin Decker |
| */ |
| public class AbstractListeningExecutorServiceTest extends TestCase { |
| |
| public void testSubmit() throws Exception { |
| /* |
| * Mostly just tests that TrustedListenableFutureTask are created and run; tests for |
| * TrustedListenableFutureTask should ensure that listeners are called correctly. |
| */ |
| |
| TestListeningExecutorService e = new TestListeningExecutorService(); |
| |
| TestRunnable runnable = new TestRunnable(); |
| ListenableFuture<?> runnableFuture = e.submit(runnable); |
| assertThat(runnableFuture).isInstanceOf(TrustedListenableFutureTask.class); |
| assertTrue(runnableFuture.isDone()); |
| assertTrue(runnable.run); |
| |
| ListenableFuture<String> callableFuture = e.submit(new TestCallable()); |
| assertThat(callableFuture).isInstanceOf(TrustedListenableFutureTask.class); |
| assertTrue(callableFuture.isDone()); |
| assertEquals("foo", callableFuture.get()); |
| |
| TestRunnable runnable2 = new TestRunnable(); |
| ListenableFuture<Integer> runnableFuture2 = e.submit(runnable2, 3); |
| assertThat(runnableFuture2).isInstanceOf(TrustedListenableFutureTask.class); |
| assertTrue(runnableFuture2.isDone()); |
| assertTrue(runnable2.run); |
| assertEquals((Integer) 3, runnableFuture2.get()); |
| } |
| |
| private static class TestRunnable implements Runnable { |
| boolean run = false; |
| |
| @Override |
| public void run() { |
| run = true; |
| } |
| } |
| |
| private static class TestCallable implements Callable<String> { |
| @Override |
| public String call() { |
| return "foo"; |
| } |
| } |
| |
| /** Simple same thread listening executor service that doesn't handle shutdown. */ |
| private static class TestListeningExecutorService extends AbstractListeningExecutorService { |
| |
| @Override |
| public void execute(Runnable runnable) { |
| assertThat(runnable).isInstanceOf(TrustedListenableFutureTask.class); |
| runnable.run(); |
| } |
| |
| @Override |
| public void shutdown() {} |
| |
| @Override |
| public List<Runnable> shutdownNow() { |
| return ImmutableList.of(); |
| } |
| |
| @Override |
| public boolean isShutdown() { |
| return false; |
| } |
| |
| @Override |
| public boolean isTerminated() { |
| return false; |
| } |
| |
| @Override |
| public boolean awaitTermination(long timeout, TimeUnit unit) { |
| return false; |
| } |
| } |
| } |