1/* 2 * Copyright (C) 2016 The Android Open Source Project 3 * 4 * Licensed under the Apache License, Version 2.0 (the "License"); 5 * you may not use this file except in compliance with the License. 6 * You may obtain a copy of the License at 7 * 8 * http://www.apache.org/licenses/LICENSE-2.0 9 * 10 * Unless required by applicable law or agreed to in writing, software 11 * distributed under the License is distributed on an "AS IS" BASIS, 12 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 13 * See the License for the specific language governing permissions and 14 * limitations under the License. 15 */ 16 17package vogar.target.junit; 18 19import java.util.Comparator; 20import org.junit.runner.Description; 21 22/** 23 * Order by class name first, then display name. 24 */ 25public class DescriptionComparator implements Comparator<Description> { 26 27 private static final DescriptionComparator DESCRIPTION_COMPARATOR = 28 new DescriptionComparator(); 29 30 public static DescriptionComparator getInstance() { 31 return DESCRIPTION_COMPARATOR; 32 } 33 34 private DescriptionComparator() { 35 } 36 37 @Override 38 public int compare(Description d1, Description d2) { 39 String c1 = d1.getClassName(); 40 String c2 = d2.getClassName(); 41 int result = c1.compareTo(c2); 42 if (result != 0) { 43 return result; 44 } 45 46 return d1.getDisplayName().compareTo(d2.getDisplayName()); 47 } 48} 49