| /* |
| * 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.felix.http.base.internal.runtime; |
| |
| import static java.lang.Integer.signum; |
| import static junit.framework.Assert.assertEquals; |
| import static junit.framework.Assert.fail; |
| import static org.junit.Assert.assertTrue; |
| |
| import java.util.ArrayList; |
| import java.util.Arrays; |
| import java.util.Collection; |
| import java.util.Collections; |
| import java.util.List; |
| |
| import org.junit.Test; |
| import org.junit.runner.RunWith; |
| import org.junit.runners.Parameterized; |
| import org.junit.runners.Parameterized.Parameters; |
| |
| @RunWith(Parameterized.class) |
| public class AbstractInfoOrderingTest |
| { |
| @Parameters |
| public static Collection<Object[]> data() { |
| return Arrays.asList(new Object[][] { |
| // Expected value must be non-negative |
| // negative values are tested by symmetry |
| |
| // same service id (note: rank must be identical) |
| { 0, 0, 0, 1, 1 }, |
| { 0, 1, 1, 0, 0 }, |
| { 0, -1, -1, -1, -1 }, |
| // rank has priority |
| { 1, 0, 1, 1, 0 }, |
| { 1, 0, 1, -1, 0 }, |
| { 1, -1, 0, 1, 0 }, |
| { 1, -1, 0, -1, 0 }, |
| // same rank |
| { 1, 1, 1, 2, 1 }, |
| { 1, -1, -1, -1, 1 }, |
| { 1, 0, 0, 2, 1 }, |
| { 1, 0, 0, 1, 0 }, |
| { 1, 0, 0, -1, 1 }, |
| { 1, 0, 0, -1, 1 }, |
| { 1, 0, 0, -2, 1 }, |
| { 1, 0, 0, -1, 2 }, |
| { 1, 0, 0, -1, 1 }, |
| { 1, 0, 0, -2, -1 } |
| }); |
| } |
| |
| private final int expected; |
| private final TestInfo testInfo; |
| private final TestInfo other; |
| |
| public AbstractInfoOrderingTest(int expected, |
| int testRank, int otherRank, long testId, long otherId) |
| { |
| if (expected < 0) |
| { |
| throw new IllegalArgumentException("Expected values must be non-negative."); |
| } |
| this.expected = expected; |
| testInfo = new TestInfo(testRank, testId); |
| other = new TestInfo(otherRank, otherId); |
| } |
| |
| @Test |
| public void ordering() |
| { |
| assertEquals(expected, signum(testInfo.compareTo(other))); |
| if ( expected != 0 ) |
| { |
| final List<AbstractInfo> list = new ArrayList<AbstractInfo>(); |
| list.add(testInfo); |
| list.add(other); |
| Collections.sort(list); |
| if ( expected == -1 ) |
| { |
| assertEquals(testInfo, list.get(0)); |
| assertEquals(other, list.get(1)); |
| } |
| else |
| { |
| assertEquals(testInfo, list.get(1)); |
| assertEquals(other, list.get(0)); |
| } |
| } |
| } |
| |
| @Test |
| public void orderingSymetry() |
| { |
| assertTrue(signum(testInfo.compareTo(other)) == -signum(other.compareTo(testInfo))); |
| } |
| |
| @Test |
| public void orderingTransitivity() |
| { |
| assertTrue(testInfo.compareTo(other) >= 0); |
| |
| TestInfo three = new TestInfo(0, 0); |
| |
| // three falls in between the two other points |
| if (testInfo.compareTo(three) >= 0 && three.compareTo(other) >= 0) |
| { |
| assertTrue(testInfo.compareTo(other) >= 0); |
| } |
| // three falls below the two other points |
| else if (testInfo.compareTo(other) >= 0 && other.compareTo(three) >= 0) |
| { |
| assertTrue(testInfo.compareTo(three) >= 0); |
| } |
| // three falls above the two other points |
| else if (three.compareTo(testInfo) >= 0 && testInfo.compareTo(other) >= 0) |
| { |
| assertTrue(three.compareTo(other) >= 0); |
| } |
| else |
| { |
| fail("Since testInfo >= other, one of the above cases must match"); |
| } |
| } |
| |
| private static class TestInfo extends AbstractInfo<TestInfo> |
| { |
| public TestInfo(int ranking, long serviceId) |
| { |
| super(ranking, serviceId); |
| } |
| } |
| } |