| /* |
| * Copyright 2015, Google Inc. All rights reserved. |
| * |
| * Redistribution and use in source and binary forms, with or without |
| * modification, are permitted provided that the following conditions are |
| * met: |
| * |
| * * Redistributions of source code must retain the above copyright |
| * notice, this list of conditions and the following disclaimer. |
| * * Redistributions in binary form must reproduce the above |
| * copyright notice, this list of conditions and the following disclaimer |
| * in the documentation and/or other materials provided with the |
| * distribution. |
| * |
| * * Neither the name of Google Inc. nor the names of its |
| * contributors may be used to endorse or promote products derived from |
| * this software without specific prior written permission. |
| * |
| * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS |
| * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT |
| * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR |
| * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT |
| * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, |
| * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT |
| * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, |
| * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY |
| * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT |
| * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE |
| * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
| */ |
| |
| package io.grpc.internal; |
| |
| import static java.util.Arrays.asList; |
| import static org.junit.Assert.assertEquals; |
| import static org.junit.Assert.assertTrue; |
| |
| import org.junit.Before; |
| import org.junit.Test; |
| import org.junit.runner.RunWith; |
| import org.junit.runners.JUnit4; |
| |
| import java.util.ArrayList; |
| import java.util.List; |
| import java.util.concurrent.atomic.AtomicBoolean; |
| import java.util.concurrent.atomic.AtomicInteger; |
| |
| @RunWith(JUnit4.class) |
| public class SerializeReentrantCallsDirectExecutorTest { |
| |
| SerializeReentrantCallsDirectExecutor executor; |
| |
| @Before |
| public void setup() { |
| executor = new SerializeReentrantCallsDirectExecutor(); |
| } |
| |
| @Test public void reentrantCallsShouldBeSerialized() { |
| final List<Integer> callOrder = new ArrayList<Integer>(4); |
| executor.execute(new Runnable() { |
| @Override |
| public void run() { |
| executor.execute(new Runnable() { |
| @Override |
| public void run() { |
| executor.execute(new Runnable() { |
| @Override public void run() { |
| callOrder.add(3); |
| } |
| }); |
| |
| callOrder.add(2); |
| |
| executor.execute(new Runnable() { |
| @Override public void run() { |
| callOrder.add(4); |
| } |
| }); |
| } |
| }); |
| callOrder.add(1); |
| } |
| }); |
| |
| assertEquals(asList(1, 2, 3, 4), callOrder); |
| } |
| |
| @Test |
| public void exceptionShouldNotCancelQueuedTasks() { |
| final AtomicBoolean executed1 = new AtomicBoolean(); |
| final AtomicBoolean executed2 = new AtomicBoolean(); |
| executor.execute(new Runnable() { |
| @Override |
| public void run() { |
| executor.execute(new Runnable() { |
| @Override |
| public void run() { |
| executed1.set(true); |
| throw new RuntimeException("Two"); |
| } |
| }); |
| executor.execute(new Runnable() { |
| @Override |
| public void run() { |
| executed2.set(true); |
| } |
| }); |
| |
| throw new RuntimeException("One"); |
| } |
| }); |
| |
| assertTrue(executed1.get()); |
| assertTrue(executed2.get()); |
| } |
| |
| @Test(expected = NullPointerException.class) |
| public void executingNullShouldFail() { |
| executor.execute(null); |
| } |
| |
| @Test |
| public void executeCanBeRepeated() { |
| final List<Integer> executes = new ArrayList<Integer>(); |
| executor.execute(new Runnable() { |
| @Override |
| public void run() { |
| executes.add(1); |
| } |
| }); |
| executor.execute(new Runnable() { |
| @Override |
| public void run() { |
| executes.add(2); |
| } |
| }); |
| |
| assertEquals(asList(1,2), executes); |
| } |
| |
| @Test |
| public void interruptDoesNotAffectExecution() { |
| final AtomicInteger callsExecuted = new AtomicInteger(); |
| |
| Thread.currentThread().interrupt(); |
| |
| executor.execute(new Runnable() { |
| @Override |
| public void run() { |
| Thread.currentThread().interrupt(); |
| callsExecuted.incrementAndGet(); |
| } |
| }); |
| |
| executor.execute(new Runnable() { |
| @Override |
| public void run() { |
| callsExecuted.incrementAndGet(); |
| } |
| }); |
| |
| // clear interrupted flag |
| Thread.interrupted(); |
| } |
| } |