1/* 2 * Licensed to the Apache Software Foundation (ASF) under one or more 3 * contributor license agreements. See the NOTICE file distributed with 4 * this work for additional information regarding copyright ownership. 5 * The ASF licenses this file to You under the Apache License, Version 2.0 6 * (the "License"); you may not use this file except in compliance with 7 * the License. You may obtain a copy of the License at 8 * 9 * http://www.apache.org/licenses/LICENSE-2.0 10 * 11 * Unless required by applicable law or agreed to in writing, software 12 * distributed under the License is distributed on an "AS IS" BASIS, 13 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 14 * See the License for the specific language governing permissions and 15 * limitations under the License. 16 */ 17 18package libcore.java.text; 19 20import java.text.CollationElementIterator; 21import java.text.Collator; 22import java.text.RuleBasedCollator; 23import java.util.Locale; 24import junit.framework.TestCase; 25 26public class OldCollationElementIteratorTest extends TestCase { 27 28 public void testPrevious() { 29 RuleBasedCollator coll = (RuleBasedCollator) Collator.getInstance(Locale.US); 30 String text = "abc"; 31 CollationElementIterator iterator = coll 32 .getCollationElementIterator(text); 33 int[] orders = new int[text.length()]; 34 int order = iterator.next(); 35 int i = 0; 36 while (order != CollationElementIterator.NULLORDER) { 37 orders[i++] = order; 38 order = iterator.next(); 39 } 40 41 int offset = iterator.getOffset(); 42 assertEquals(text.length(), offset); 43 order = iterator.previous(); 44 45 while (order != CollationElementIterator.NULLORDER) { 46 assertEquals(orders[--i], order); 47 order = iterator.previous(); 48 } 49 50 assertEquals(0, iterator.getOffset()); 51 } 52} 53