| /* |
| * Copyright (C) 2006 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 java.util.concurrent.Callable; |
| import java.util.concurrent.ExecutionException; |
| import java.util.concurrent.TimeUnit; |
| import junit.framework.TestCase; |
| |
| /** |
| * Unit test for {@link FakeTimeLimiter}. |
| * |
| * @author Jens Nyman |
| */ |
| public class FakeTimeLimiterTest extends TestCase { |
| |
| private static final int DELAY_MS = 50; |
| private static final String RETURN_VALUE = "abc"; |
| |
| private TimeLimiter timeLimiter; |
| |
| @Override |
| protected void setUp() throws Exception { |
| super.setUp(); |
| timeLimiter = new FakeTimeLimiter(); |
| } |
| |
| public void testCallWithTimeout_propagatesReturnValue() throws Exception { |
| String result = |
| timeLimiter.callWithTimeout( |
| Callables.returning(RETURN_VALUE), DELAY_MS, TimeUnit.MILLISECONDS); |
| |
| assertThat(result).isEqualTo(RETURN_VALUE); |
| } |
| |
| public void testCallWithTimeout_wrapsCheckedException() throws Exception { |
| Exception exception = new SampleCheckedException(); |
| try { |
| timeLimiter.callWithTimeout(callableThrowing(exception), DELAY_MS, TimeUnit.MILLISECONDS); |
| fail("Expected ExecutionException"); |
| } catch (ExecutionException e) { |
| assertThat(e.getCause()).isEqualTo(exception); |
| } |
| } |
| |
| public void testCallWithTimeout_wrapsUncheckedException() throws Exception { |
| Exception exception = new RuntimeException("test"); |
| try { |
| timeLimiter.callWithTimeout(callableThrowing(exception), DELAY_MS, TimeUnit.MILLISECONDS); |
| fail("Expected UncheckedExecutionException"); |
| } catch (UncheckedExecutionException e) { |
| assertThat(e.getCause()).isEqualTo(exception); |
| } |
| } |
| |
| public void testCallUninterruptiblyWithTimeout_propagatesReturnValue() throws Exception { |
| String result = |
| timeLimiter.callUninterruptiblyWithTimeout( |
| Callables.returning(RETURN_VALUE), DELAY_MS, TimeUnit.MILLISECONDS); |
| |
| assertThat(result).isEqualTo(RETURN_VALUE); |
| } |
| |
| public void testRunWithTimeout_returnsWithoutException() throws Exception { |
| timeLimiter.runWithTimeout(Runnables.doNothing(), DELAY_MS, TimeUnit.MILLISECONDS); |
| } |
| |
| public void testRunWithTimeout_wrapsUncheckedException() throws Exception { |
| RuntimeException exception = new RuntimeException("test"); |
| try { |
| timeLimiter.runWithTimeout(runnableThrowing(exception), DELAY_MS, TimeUnit.MILLISECONDS); |
| fail("Expected UncheckedExecutionException"); |
| } catch (UncheckedExecutionException e) { |
| assertThat(e.getCause()).isEqualTo(exception); |
| } |
| } |
| |
| public void testRunUninterruptiblyWithTimeout_wrapsUncheckedException() throws Exception { |
| RuntimeException exception = new RuntimeException("test"); |
| try { |
| timeLimiter.runUninterruptiblyWithTimeout( |
| runnableThrowing(exception), DELAY_MS, TimeUnit.MILLISECONDS); |
| fail("Expected UncheckedExecutionException"); |
| } catch (UncheckedExecutionException e) { |
| assertThat(e.getCause()).isEqualTo(exception); |
| } |
| } |
| |
| public static <T> Callable<T> callableThrowing(final Exception exception) { |
| return new Callable<T>() { |
| @Override |
| public T call() throws Exception { |
| throw exception; |
| } |
| }; |
| } |
| |
| private static Runnable runnableThrowing(final RuntimeException e) { |
| return new Runnable() { |
| @Override |
| public void run() { |
| throw e; |
| } |
| }; |
| } |
| |
| @SuppressWarnings("serial") |
| private static class SampleCheckedException extends Exception {} |
| } |