| /* |
| * 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. |
| */ |
| |
| package org.apache.cassandra.utils.concurrent; |
| |
| import java.util.ArrayList; |
| import java.util.List; |
| import java.util.Objects; |
| import java.util.concurrent.ExecutorService; |
| import java.util.concurrent.Executors; |
| import java.util.concurrent.TimeUnit; |
| import java.util.function.Predicate; |
| import java.util.function.Consumer; |
| |
| import com.google.common.util.concurrent.Uninterruptibles; |
| import org.junit.Assert; |
| |
| import net.openhft.chronicle.core.util.ThrowingBiConsumer; |
| import net.openhft.chronicle.core.util.ThrowingConsumer; |
| import net.openhft.chronicle.core.util.ThrowingFunction; |
| |
| import static java.util.concurrent.TimeUnit.MILLISECONDS; |
| import static java.util.concurrent.TimeUnit.SECONDS; |
| import static org.apache.cassandra.utils.Clock.Global.nanoTime; |
| |
| public abstract class AbstractTestAwaitable<A extends Awaitable> |
| { |
| protected final ExecutorService exec = Executors.newCachedThreadPool(); |
| |
| protected void testOneSuccess(A awaitable, Consumer<A> signal) |
| { |
| Async async = new Async(); |
| //noinspection Convert2MethodRef |
| async.success(awaitable, a -> a.await(), awaitable); |
| async.success(awaitable, a -> a.awaitUninterruptibly(), awaitable); |
| async.success(awaitable, a -> a.awaitThrowUncheckedOnInterrupt(), awaitable); |
| async.success(awaitable, a -> a.await(1L, SECONDS), true); |
| async.success(awaitable, a -> a.awaitUninterruptibly(1L, SECONDS), true); |
| async.success(awaitable, a -> a.awaitThrowUncheckedOnInterrupt(1L, SECONDS), true); |
| async.success(awaitable, a -> a.awaitUntil(Long.MAX_VALUE), true); |
| async.success(awaitable, a -> a.awaitUntilUninterruptibly(Long.MAX_VALUE), true); |
| async.success(awaitable, a -> a.awaitUntilThrowUncheckedOnInterrupt(Long.MAX_VALUE), true); |
| signal.accept(awaitable); |
| async.verify(); |
| } |
| |
| public void testOneTimeout(A awaitable) |
| { |
| Async async = new Async(); |
| async.success(awaitable, a -> a.await(1L, MILLISECONDS), false); |
| async.success(awaitable, a -> a.awaitUninterruptibly(1L, MILLISECONDS), false); |
| async.success(awaitable, a -> a.awaitThrowUncheckedOnInterrupt(1L, MILLISECONDS), false); |
| async.success(awaitable, a -> a.awaitUntil(nanoTime() + MILLISECONDS.toNanos(1L)), false); |
| async.success(awaitable, a -> a.awaitUntilUninterruptibly(nanoTime() + MILLISECONDS.toNanos(1L)), false); |
| async.success(awaitable, a -> a.awaitUntilThrowUncheckedOnInterrupt(nanoTime() + MILLISECONDS.toNanos(1L)), false); |
| Uninterruptibles.sleepUninterruptibly(10L, MILLISECONDS); |
| async.verify(); |
| } |
| |
| public void testOneInterrupt(A awaitable) |
| { |
| Async async = new Async(); |
| async.failure(awaitable, a -> { Thread.currentThread().interrupt(); a.await(); }, InterruptedException.class); |
| async.failure(awaitable, a -> { Thread.currentThread().interrupt(); a.await(1L, SECONDS); }, InterruptedException.class); |
| async.success(awaitable, a -> { Thread.currentThread().interrupt(); return a.awaitUninterruptibly(1L, SECONDS); }, false); |
| async.failure(awaitable, a -> { Thread.currentThread().interrupt(); a.awaitThrowUncheckedOnInterrupt(1L, SECONDS); }, UncheckedInterruptedException.class); |
| async.failure(awaitable, a -> { Thread.currentThread().interrupt(); a.awaitUntil(nanoTime() + SECONDS.toNanos(1L)); }, InterruptedException.class); |
| async.success(awaitable, a -> { Thread.currentThread().interrupt(); return a.awaitUntilUninterruptibly(nanoTime() + SECONDS.toNanos(1L)); }, false); |
| async.failure(awaitable, a -> { Thread.currentThread().interrupt(); a.awaitUntilThrowUncheckedOnInterrupt(nanoTime() + SECONDS.toNanos(1L)); }, UncheckedInterruptedException.class); |
| Uninterruptibles.sleepUninterruptibly(2L, SECONDS); |
| async.verify(); |
| } |
| |
| class Async |
| { |
| final List<ThrowingBiConsumer<Long, TimeUnit, ?>> waitingOn = new ArrayList<>(); |
| void verify() |
| { |
| for (int i = 0 ; i < waitingOn.size() ; ++i) |
| { |
| try |
| { |
| waitingOn.get(i).accept(100L, MILLISECONDS); |
| } |
| catch (Throwable t) |
| { |
| throw new AssertionError("" + i, t); |
| } |
| } |
| } |
| void failure(A awaitable, ThrowingConsumer<A, ?> action, Throwable failsWith) |
| { |
| waitingOn.add(exec.submit(() -> AbstractTestAwaitable.failure(awaitable, action, failsWith))::get); |
| } |
| void failure(A awaitable, ThrowingConsumer<A, ?> action, Class<? extends Throwable> failsWith) |
| { |
| waitingOn.add(exec.submit(() -> AbstractTestAwaitable.failure(awaitable, action, failsWith))::get); |
| } |
| void failure(A awaitable, ThrowingConsumer<A, ?> action, Predicate<Throwable> failsWith) |
| { |
| waitingOn.add(exec.submit(() -> AbstractTestAwaitable.failure(awaitable, action, failsWith))::get); |
| } |
| <P extends A, R> void success(P awaitable, ThrowingFunction<P, R, ?> action, R result) |
| { |
| waitingOn.add(exec.submit(() -> AbstractTestAwaitable.success(awaitable, action, result))::get); |
| } |
| <P extends A, R> void success(P awaitable, ThrowingFunction<P, R, ?> action, Predicate<R> result) |
| { |
| waitingOn.add(exec.submit(() -> AbstractTestAwaitable.success(awaitable, action, result))::get); |
| } |
| } |
| |
| private static <A extends Awaitable> void failure(A awaitable, ThrowingConsumer<A, ?> action, Throwable failsWith) |
| { |
| failure(awaitable, action, t -> Objects.equals(failsWith, t)); |
| } |
| |
| static <A extends Awaitable> void failure(A awaitable, ThrowingConsumer<A, ?> action, Class<? extends Throwable> failsWith) |
| { |
| failure(awaitable, action, failsWith::isInstance); |
| } |
| |
| private static <A extends Awaitable> void failure(A awaitable, ThrowingConsumer<A, ?> action, Predicate<Throwable> failsWith) |
| { |
| Throwable fail = null; |
| try |
| { |
| action.accept(awaitable); |
| } |
| catch (Throwable t) |
| { |
| fail = t; |
| } |
| if (!failsWith.test(fail)) |
| throw new AssertionError(fail); |
| } |
| |
| static <A extends Awaitable, R> void success(A awaitable, ThrowingFunction<A, R, ?> action, R result) |
| { |
| try |
| { |
| Assert.assertEquals(result, action.apply(awaitable)); |
| } |
| catch (Throwable t) |
| { |
| throw new AssertionError(t); |
| } |
| } |
| |
| static <A extends Awaitable, R> void success(A awaitable, ThrowingFunction<A, R, ?> action, Predicate<R> result) |
| { |
| try |
| { |
| Assert.assertTrue(result.test(action.apply(awaitable))); |
| } |
| catch (Throwable t) |
| { |
| throw new AssertionError(t); |
| } |
| } |
| |
| } |