| /** |
| * 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.hadoop.util; |
| |
| import static org.junit.Assert.*; |
| |
| import org.junit.Test; |
| |
| public class TestVersionUtil { |
| |
| @Test |
| public void testCompareVersions() { |
| // Equal versions are equal. |
| assertEquals(0, VersionUtil.compareVersions("2.0.0", "2.0.0")); |
| assertEquals(0, VersionUtil.compareVersions("2.0.0a", "2.0.0a")); |
| assertEquals(0, VersionUtil.compareVersions("1", "1")); |
| assertEquals(0, VersionUtil.compareVersions( |
| "2.0.0-SNAPSHOT", "2.0.0-SNAPSHOT")); |
| |
| // Assert that lower versions are lower, and higher versions are higher. |
| assertExpectedValues("1", "2.0.0"); |
| assertExpectedValues("1.0.0", "2"); |
| assertExpectedValues("1.0.0", "2.0.0"); |
| assertExpectedValues("1.0", "2.0.0"); |
| assertExpectedValues("1.0.0", "2.0.0"); |
| assertExpectedValues("1.0.0", "1.0.0a"); |
| assertExpectedValues("1.0.0.0", "2.0.0"); |
| assertExpectedValues("1.0.0", "1.0.0-dev"); |
| assertExpectedValues("1.0.0", "1.0.1"); |
| assertExpectedValues("1.0.0", "1.0.2"); |
| assertExpectedValues("1.0.0", "1.1.0"); |
| assertExpectedValues("2.0.0", "10.0.0"); |
| assertExpectedValues("1.0.0", "1.0.0a"); |
| assertExpectedValues("1.0.2a", "1.0.10"); |
| assertExpectedValues("1.0.2a", "1.0.2b"); |
| assertExpectedValues("1.0.2a", "1.0.2ab"); |
| assertExpectedValues("1.0.0a1", "1.0.0a2"); |
| assertExpectedValues("1.0.0a2", "1.0.0a10"); |
| assertExpectedValues("1.0", "1.a"); |
| assertExpectedValues("1.0", "1.a0"); |
| |
| // Snapshot builds precede their eventual releases. |
| assertExpectedValues("1.0-SNAPSHOT", "1.0"); |
| assertExpectedValues("1.0", "1.0.0-SNAPSHOT"); |
| assertExpectedValues("1.0.0-SNAPSHOT", "1.0.0"); |
| assertExpectedValues("1.0.0", "1.0.1-SNAPSHOT"); |
| assertExpectedValues("1.0.1-SNAPSHOT", "1.0.1"); |
| } |
| |
| private static void assertExpectedValues(String lower, String higher) { |
| assertTrue(VersionUtil.compareVersions(lower, higher) < 0); |
| assertTrue(VersionUtil.compareVersions(higher, lower) > 0); |
| } |
| |
| } |