| /* |
| * Copyright (C) 2015 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.base.Preconditions.checkNotNull; |
| import static com.google.common.base.Preconditions.checkState; |
| import static com.google.common.util.concurrent.FuturesTest.failureWithCause; |
| import static com.google.common.util.concurrent.FuturesTest.pseudoTimedGetUninterruptibly; |
| import static com.google.common.util.concurrent.Uninterruptibles.getUninterruptibly; |
| import static java.util.concurrent.TimeUnit.MILLISECONDS; |
| import static java.util.concurrent.TimeUnit.SECONDS; |
| import static junit.framework.Assert.assertFalse; |
| import static junit.framework.Assert.fail; |
| |
| import com.google.common.annotations.GwtCompatible; |
| import java.util.concurrent.ExecutionException; |
| import java.util.concurrent.Future; |
| import java.util.concurrent.TimeoutException; |
| import junit.framework.AssertionFailedError; |
| |
| /** Methods factored out so that they can be emulated differently in GWT. */ |
| @GwtCompatible(emulated = true) |
| final class TestPlatform { |
| static void verifyGetOnPendingFuture(Future<?> future) { |
| checkNotNull(future); |
| try { |
| pseudoTimedGetUninterruptibly(future, 10, MILLISECONDS); |
| fail(); |
| } catch (TimeoutException expected) { |
| } catch (ExecutionException e) { |
| throw failureWithCause(e, ""); |
| } |
| } |
| |
| static void verifyTimedGetOnPendingFuture(Future<?> future) { |
| try { |
| getUninterruptibly(future, 0, SECONDS); |
| fail(); |
| } catch (TimeoutException expected) { |
| } catch (ExecutionException e) { |
| throw failureWithCause(e, ""); |
| } |
| } |
| |
| static void verifyThreadWasNotInterrupted() { |
| assertFalse(Thread.currentThread().isInterrupted()); |
| } |
| |
| static void clearInterrupt() { |
| Thread.interrupted(); |
| } |
| |
| /** |
| * Retrieves the result of a {@code Future} known to be done but uses the {@code get(long, |
| * TimeUnit)} overload in order to test that method. |
| */ |
| static <V> V getDoneFromTimeoutOverload(Future<V> future) throws ExecutionException { |
| checkState(future.isDone(), "Future was expected to be done: %s", future); |
| try { |
| return getUninterruptibly(future, 0, SECONDS); |
| } catch (TimeoutException e) { |
| AssertionFailedError error = new AssertionFailedError(e.getMessage()); |
| error.initCause(e); |
| throw error; |
| } |
| } |
| |
| private TestPlatform() {} |
| } |