| /* |
| * 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 org.junit.Test; |
| |
| import com.baidu.hugegraph.concurrent.AtomicLock; |
| import com.baidu.hugegraph.testutil.Assert; |
| import com.baidu.hugegraph.unit.BaseUnitTest; |
| |
| public class AtomicLockTest extends BaseUnitTest { |
| |
| @Test |
| public void testLockUnlock() { |
| AtomicLock lock = new AtomicLock("lock"); |
| Assert.assertEquals("lock", lock.name()); |
| |
| Assert.assertTrue(lock.lock(0)); |
| try { |
| Assert.assertFalse(lock.lock(1)); |
| // lock in other threads |
| runWithThreads(2, () -> { |
| Assert.assertFalse(lock.tryLock()); |
| }); |
| lock.unlock(); |
| } finally { |
| lock.unlock(); |
| // unlock multi times is OK |
| lock.unlock(); |
| lock.unlock(); |
| } |
| |
| Assert.assertThrows(RuntimeException.class, () -> { |
| lock.lock(-1); |
| }, e -> { |
| Assert.assertContains("Locking retry times should be in [0, 10], " + |
| "but got -1", e.getMessage()); |
| }); |
| |
| Assert.assertThrows(RuntimeException.class, () -> { |
| lock.lock(11); |
| }, e -> { |
| Assert.assertContains("Locking retry times should be in [0, 10], " + |
| "but got 11", e.getMessage()); |
| }); |
| } |
| } |