| /* |
| * ==================================================================== |
| * Licensed to the Apache Software Foundation (ASF) under one |
| * or more contributor license agreements. See the NOTICE file |
| * distributed with this work for additional information |
| * regarding copyright ownership. The ASF licenses this file |
| * to you 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. |
| * ==================================================================== |
| * |
| * This software consists of voluntary contributions made by many |
| * individuals on behalf of the Apache Software Foundation. For more |
| * information on the Apache Software Foundation, please see |
| * <http://www.apache.org/>. |
| * |
| */ |
| package org.apache.hc.core5.concurrent; |
| |
| import java.util.concurrent.CancellationException; |
| import java.util.concurrent.ExecutionException; |
| import java.util.concurrent.TimeUnit; |
| import java.util.concurrent.TimeoutException; |
| |
| import org.apache.hc.core5.util.TimeoutValueException; |
| import org.junit.Assert; |
| import org.junit.Test; |
| |
| public class TestBasicFuture { |
| |
| @Test |
| public void testCompleted() throws Exception { |
| final BasicFutureCallback<Object> callback = new BasicFutureCallback<>(); |
| final BasicFuture<Object> future = new BasicFuture<>(callback); |
| |
| Assert.assertFalse(future.isDone()); |
| |
| final Object result = new Object(); |
| final Exception boom = new Exception(); |
| future.completed(result); |
| future.failed(boom); |
| Assert.assertTrue(callback.isCompleted()); |
| Assert.assertSame(result, callback.getResult()); |
| Assert.assertFalse(callback.isFailed()); |
| Assert.assertNull(callback.getException()); |
| Assert.assertFalse(callback.isCancelled()); |
| |
| Assert.assertSame(result, future.get()); |
| Assert.assertTrue(future.isDone()); |
| Assert.assertFalse(future.isCancelled()); |
| |
| } |
| |
| @Test |
| public void testCompletedWithTimeout() throws Exception { |
| final BasicFutureCallback<Object> callback = new BasicFutureCallback<>(); |
| final BasicFuture<Object> future = new BasicFuture<>(callback); |
| |
| Assert.assertFalse(future.isDone()); |
| |
| final Object result = new Object(); |
| final Exception boom = new Exception(); |
| future.completed(result); |
| future.failed(boom); |
| Assert.assertTrue(callback.isCompleted()); |
| Assert.assertSame(result, callback.getResult()); |
| Assert.assertFalse(callback.isFailed()); |
| Assert.assertNull(callback.getException()); |
| Assert.assertFalse(callback.isCancelled()); |
| |
| Assert.assertSame(result, future.get(1, TimeUnit.MILLISECONDS)); |
| Assert.assertTrue(future.isDone()); |
| Assert.assertFalse(future.isCancelled()); |
| } |
| |
| @Test |
| public void testFailed() throws Exception { |
| final BasicFutureCallback<Object> callback = new BasicFutureCallback<>(); |
| final BasicFuture<Object> future = new BasicFuture<>(callback); |
| final Object result = new Object(); |
| final Exception boom = new Exception(); |
| future.failed(boom); |
| future.completed(result); |
| Assert.assertFalse(callback.isCompleted()); |
| Assert.assertNull(callback.getResult()); |
| Assert.assertTrue(callback.isFailed()); |
| Assert.assertSame(boom, callback.getException()); |
| Assert.assertFalse(callback.isCancelled()); |
| |
| try { |
| future.get(); |
| } catch (final ExecutionException ex) { |
| Assert.assertSame(boom, ex.getCause()); |
| } |
| Assert.assertTrue(future.isDone()); |
| Assert.assertFalse(future.isCancelled()); |
| } |
| |
| @Test |
| public void testCancelled() throws Exception { |
| final BasicFutureCallback<Object> callback = new BasicFutureCallback<>(); |
| final BasicFuture<Object> future = new BasicFuture<>(callback); |
| final Object result = new Object(); |
| final Exception boom = new Exception(); |
| future.cancel(true); |
| future.failed(boom); |
| future.completed(result); |
| Assert.assertFalse(callback.isCompleted()); |
| Assert.assertNull(callback.getResult()); |
| Assert.assertFalse(callback.isFailed()); |
| Assert.assertNull(callback.getException()); |
| Assert.assertTrue(callback.isCancelled()); |
| |
| try { |
| future.get(); |
| Assert.fail("CancellationException expected"); |
| } catch (final CancellationException ex) { |
| } |
| Assert.assertTrue(future.isDone()); |
| Assert.assertTrue(future.isCancelled()); |
| } |
| |
| @Test |
| public void testAsyncCompleted() throws Exception { |
| final BasicFuture<Object> future = new BasicFuture<>(null); |
| final Object result = new Object(); |
| |
| final Thread t = new Thread(() -> { |
| try { |
| Thread.sleep(100); |
| future.completed(result); |
| } catch (final InterruptedException boom) { |
| } |
| }); |
| t.setDaemon(true); |
| t.start(); |
| Assert.assertSame(result, future.get(60, TimeUnit.SECONDS)); |
| Assert.assertTrue(future.isDone()); |
| Assert.assertFalse(future.isCancelled()); |
| } |
| |
| @Test |
| public void testAsyncFailed() throws Exception { |
| final BasicFuture<Object> future = new BasicFuture<>(null); |
| final Exception boom = new Exception(); |
| |
| final Thread t = new Thread(() -> { |
| try { |
| Thread.sleep(100); |
| future.failed(boom); |
| } catch (final InterruptedException ex) { |
| } |
| }); |
| t.setDaemon(true); |
| t.start(); |
| try { |
| future.get(60, TimeUnit.SECONDS); |
| } catch (final ExecutionException ex) { |
| Assert.assertSame(boom, ex.getCause()); |
| } |
| Assert.assertTrue(future.isDone()); |
| Assert.assertFalse(future.isCancelled()); |
| } |
| |
| @Test(expected = CancellationException.class) |
| public void testAsyncCancelled() throws Exception { |
| final BasicFuture<Object> future = new BasicFuture<>(null); |
| |
| final Thread t = new Thread(() -> { |
| try { |
| Thread.sleep(100); |
| future.cancel(true); |
| } catch (final InterruptedException ex) { |
| } |
| }); |
| t.setDaemon(true); |
| t.start(); |
| future.get(60, TimeUnit.SECONDS); |
| } |
| |
| @Test(expected=TimeoutException.class) |
| public void testAsyncTimeout() throws Exception { |
| final BasicFuture<Object> future = new BasicFuture<>(null); |
| final Object result = new Object(); |
| |
| final Thread t = new Thread(() -> { |
| try { |
| Thread.sleep(200); |
| future.completed(result); |
| } catch (final InterruptedException ex) { |
| } |
| }); |
| t.setDaemon(true); |
| t.start(); |
| future.get(1, TimeUnit.MILLISECONDS); |
| } |
| |
| @Test(expected=TimeoutValueException.class) |
| public void testAsyncNegativeTimeout() throws Exception { |
| final BasicFuture<Object> future = new BasicFuture<>(null); |
| future.get(-1, TimeUnit.MILLISECONDS); |
| } |
| |
| } |