| /* |
| * 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.geode.internal; |
| |
| import static org.apache.geode.test.awaitility.GeodeAwaitility.await; |
| import static org.assertj.core.api.Assertions.assertThat; |
| import static org.assertj.core.api.Assertions.assertThatThrownBy; |
| import static org.mockito.Mockito.mock; |
| |
| import java.util.Date; |
| import java.util.concurrent.atomic.AtomicBoolean; |
| import java.util.concurrent.atomic.AtomicInteger; |
| |
| import org.junit.After; |
| import org.junit.Before; |
| import org.junit.Test; |
| |
| import org.apache.geode.distributed.DistributedSystem; |
| |
| public class SystemTimerTest { |
| |
| private DistributedSystem distributedSystem; |
| private SystemTimer systemTimer; |
| |
| @Before |
| public void setup() { |
| this.distributedSystem = mock(DistributedSystem.class); |
| this.systemTimer = new SystemTimer(distributedSystem); |
| } |
| |
| @After |
| public void teardown() { |
| if (!systemTimer.isCancelled()) { |
| systemTimer.cancel(); |
| } |
| } |
| |
| @Test |
| public void cancelTimer() { |
| assertThat(systemTimer.isCancelled()).isFalse(); |
| int initialSystemCount = SystemTimer.distributedSystemCount(); |
| SystemTimer.cancelTimers(distributedSystem); |
| assertThat(systemTimer.isCancelled()).isTrue(); |
| assertThat(SystemTimer.distributedSystemCount()).isEqualTo(initialSystemCount - 1); |
| } |
| |
| @Test |
| public void cancel() { |
| assertThat(systemTimer.isCancelled()).isFalse(); |
| systemTimer.cancel(); |
| assertThat(systemTimer.isCancelled()).isTrue(); |
| } |
| |
| @Test |
| public void scheduleNow() { |
| AtomicBoolean hasRun = new AtomicBoolean(false); |
| SystemTimer.SystemTimerTask task = new SystemTimer.SystemTimerTask() { |
| @Override |
| public void run2() { |
| hasRun.set(true); |
| } |
| }; |
| systemTimer.schedule(task, 0); |
| await().until(() -> hasRun.get()); |
| } |
| |
| @Test |
| public void scheduleWithDelay() { |
| AtomicBoolean hasRun = new AtomicBoolean(false); |
| SystemTimer.SystemTimerTask task = new SystemTimer.SystemTimerTask() { |
| @Override |
| public void run2() { |
| hasRun.set(true); |
| } |
| }; |
| final long millis = System.currentTimeMillis(); |
| final int delay = 1000; |
| systemTimer.schedule(task, delay); |
| await().until(() -> hasRun.get()); |
| assertThat(System.currentTimeMillis()).isGreaterThanOrEqualTo(millis + delay); |
| } |
| |
| @Test |
| public void scheduleWithDate() { |
| AtomicBoolean hasRun = new AtomicBoolean(false); |
| SystemTimer.SystemTimerTask task = new SystemTimer.SystemTimerTask() { |
| @Override |
| public void run2() { |
| hasRun.set(true); |
| } |
| }; |
| final long millis = System.currentTimeMillis(); |
| final long delay = 1000; |
| final Date scheduleTime = new Date(System.currentTimeMillis() + delay); |
| systemTimer.schedule(task, scheduleTime); |
| await().until(() -> hasRun.get()); |
| assertThat(System.currentTimeMillis()).isGreaterThanOrEqualTo(millis + delay); |
| } |
| |
| @Test |
| public void scheduleRepeatedWithDelay() { |
| AtomicInteger invocations = new AtomicInteger(0); |
| SystemTimer.SystemTimerTask task = new SystemTimer.SystemTimerTask() { |
| @Override |
| public void run2() { |
| invocations.incrementAndGet(); |
| } |
| }; |
| final long millis = System.currentTimeMillis(); |
| final int delay = 1000; |
| final int period = 500; |
| systemTimer.schedule(task, delay, period); |
| await().untilAsserted(() -> assertThat(invocations.get()).isGreaterThanOrEqualTo(2)); |
| assertThat(System.currentTimeMillis()).isGreaterThanOrEqualTo(millis + delay + period); |
| } |
| |
| @Test |
| public void scheduleAtFixedRate() { |
| AtomicInteger invocations = new AtomicInteger(0); |
| SystemTimer.SystemTimerTask task = new SystemTimer.SystemTimerTask() { |
| @Override |
| public void run2() { |
| invocations.incrementAndGet(); |
| } |
| }; |
| final long millis = System.currentTimeMillis(); |
| final int delay = 1000; |
| final int period = 500; |
| systemTimer.scheduleAtFixedRate(task, delay, period); |
| await().untilAsserted(() -> assertThat(invocations.get()).isGreaterThanOrEqualTo(2)); |
| assertThat(System.currentTimeMillis()).isGreaterThanOrEqualTo(millis + delay + period); |
| } |
| |
| @Test |
| public void cancelTask() { |
| AtomicInteger invocations = new AtomicInteger(0); |
| SystemTimer.SystemTimerTask task = new SystemTimer.SystemTimerTask() { |
| @Override |
| public void run2() { |
| invocations.incrementAndGet(); |
| } |
| }; |
| assertThat(task.isCancelled()).isFalse(); |
| task.cancel(); |
| assertThat(task.isCancelled()).isTrue(); |
| assertThatThrownBy(() -> systemTimer.schedule(task, 0)) |
| .isInstanceOf(IllegalStateException.class); |
| } |
| |
| } |