| /* |
| * Copyright 2017 HugeGraph Authors |
| * |
| * 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 com.baidu.hugegraph.unit.concurrent; |
| |
| import java.util.ArrayList; |
| import java.util.HashSet; |
| import java.util.List; |
| import java.util.Random; |
| import java.util.Set; |
| |
| import org.junit.Test; |
| |
| import com.baidu.hugegraph.concurrent.RowLock; |
| import com.baidu.hugegraph.testutil.Assert; |
| import com.baidu.hugegraph.unit.BaseUnitTest; |
| import com.google.common.collect.ImmutableSet; |
| |
| public class RowLockTest extends BaseUnitTest { |
| |
| private static final int THREADS_NUM = 8; |
| |
| @Test |
| public void testRowLock() { |
| RowLock<Integer> lock = new RowLock<>(); |
| // Regular lock and unlock |
| lock.lock(1); |
| lock.unlock(1); |
| |
| // Lock one lock multiple times |
| lock.lock(1); |
| lock.lock(1); |
| lock.unlock(1); |
| lock.unlock(1); |
| |
| // Unlock one lock multiple times |
| lock.lock(1); |
| lock.unlock(1); |
| lock.unlock(1); |
| |
| Assert.assertThrows(IllegalArgumentException.class, () -> { |
| lock.lock(null); |
| }, e -> { |
| Assert.assertContains("Lock key can't be null", e.getMessage()); |
| }); |
| |
| Assert.assertThrows(IllegalArgumentException.class, () -> { |
| lock.unlock(null); |
| }, e -> { |
| Assert.assertContains("Unlock key can't be null", e.getMessage()); |
| }); |
| } |
| |
| @Test |
| public void testRowLockMultiRows() { |
| RowLock<Integer> lock = new RowLock<>(); |
| lock.lockAll(ImmutableSet.of(1, 2, 3)); |
| lock.unlockAll(ImmutableSet.of(1, 2, 3)); |
| |
| Assert.assertThrows(IllegalArgumentException.class, () -> { |
| lock.lockAll(null); |
| }, e -> { |
| Assert.assertContains("Lock keys can't be null", e.getMessage()); |
| }); |
| |
| Assert.assertThrows(IllegalArgumentException.class, () -> { |
| lock.unlockAll(null); |
| }, e -> { |
| Assert.assertContains("Unlock keys can't be null", e.getMessage()); |
| }); |
| |
| Assert.assertThrows(IllegalArgumentException.class, () -> { |
| lock.lockAll(ImmutableSet.of()); |
| }, e -> { |
| Assert.assertContains("Lock keys can't be null or empty", |
| e.getMessage()); |
| }); |
| |
| Assert.assertThrows(IllegalArgumentException.class, () -> { |
| lock.unlockAll(ImmutableSet.of()); |
| }, e -> { |
| Assert.assertContains("Unlock keys can't be null or empty", |
| e.getMessage()); |
| }); |
| } |
| |
| @Test |
| public void testRowLockWithMultiThreads() { |
| RowLock<Integer> lock = new RowLock<>(); |
| Set<String> names = new HashSet<>(THREADS_NUM); |
| List<Integer> keys = new ArrayList<>(5); |
| Random random = new Random(); |
| for (int i = 0; i < 5; i++) { |
| keys.add(random.nextInt(THREADS_NUM)); |
| } |
| |
| Assert.assertEquals(0, names.size()); |
| |
| runWithThreads(THREADS_NUM, () -> { |
| lock.lockAll(new HashSet<>(keys)); |
| names.add(Thread.currentThread().getName()); |
| lock.unlockAll(new HashSet<>(keys)); |
| }); |
| |
| Assert.assertEquals(THREADS_NUM, names.size()); |
| } |
| |
| @Test |
| public void testRowLockWithMultiThreadsLockOneKey() { |
| RowLock<Integer> lock = new RowLock<>(); |
| Set<String> names = new HashSet<>(THREADS_NUM); |
| |
| Assert.assertEquals(0, names.size()); |
| |
| Integer key = 1; |
| runWithThreads(THREADS_NUM, () -> { |
| lock.lock(key); |
| names.add(Thread.currentThread().getName()); |
| lock.unlock(key); |
| }); |
| |
| Assert.assertEquals(THREADS_NUM, names.size()); |
| } |
| |
| @Test |
| public void testRowLockWithMultiThreadsWithRandomKey() { |
| RowLock<Integer> lock = new RowLock<>(); |
| Set<String> names = new HashSet<>(THREADS_NUM); |
| |
| Assert.assertEquals(0, names.size()); |
| |
| runWithThreads(THREADS_NUM, () -> { |
| List<Integer> keys = new ArrayList<>(5); |
| Random random = new Random(); |
| for (int i = 0; i < 5; i++) { |
| keys.add(random.nextInt(THREADS_NUM)); |
| } |
| lock.lockAll(new HashSet<>(keys)); |
| names.add(Thread.currentThread().getName()); |
| lock.unlockAll(new HashSet<>(keys)); |
| }); |
| |
| Assert.assertEquals(THREADS_NUM, names.size()); |
| } |
| } |