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* 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.harmony.tests.java.text;
import java.text.CollationElementIterator;
import java.text.Collator;
import java.text.RuleBasedCollator;
import java.text.StringCharacterIterator;
import java.util.Locale;
import junit.framework.TestCase;
/**
* Test CollationElementIterator
*
* Only test normal condition.
*
*/
public class CollationElementIteratorTest extends TestCase {
private RuleBasedCollator coll;
protected void setUp() {
coll = (RuleBasedCollator) Collator.getInstance(Locale.US);
}
public void testGetOffset() {
String text = "abc";
CollationElementIterator iterator = coll.getCollationElementIterator(text);
int[] offsets = { 0, 1, 2, 3 };
int offset = iterator.getOffset();
int i = 0;
assertEquals(offsets[i++], offset);
while (offset != text.length()) {
iterator.next();
offset = iterator.getOffset();
assertEquals(offsets[i++], offset);
}
}
public void testNext() {
String text = "abc";
CollationElementIterator iterator = coll.getCollationElementIterator(text);
int[] orders = new int[text.length()];
int order = iterator.next();
int i = 0;
while (order != CollationElementIterator.NULLORDER) {
orders[i++] = order;
order = iterator.next();
}
int offset = iterator.getOffset();
assertEquals(text.length(), offset);
iterator.reset();
order = iterator.previous();
while (order != CollationElementIterator.NULLORDER) {
assertEquals(orders[--i], order);
order = iterator.previous();
}
assertEquals(0, iterator.getOffset());
}
public void testPrevious() {
RuleBasedCollator coll = (RuleBasedCollator) Collator.getInstance(Locale.US);
String text = "abc";
CollationElementIterator iterator = coll
.getCollationElementIterator(text);
int[] orders = new int[text.length()];
int order = iterator.next();
int i = 0;
while (order != CollationElementIterator.NULLORDER) {
orders[i++] = order;
order = iterator.next();
}
int offset = iterator.getOffset();
assertEquals(text.length(), offset);
iterator.reset();
order = iterator.previous();
while (order != CollationElementIterator.NULLORDER) {
assertEquals(orders[--i], order);
order = iterator.previous();
}
assertEquals(0, iterator.getOffset());
}
public void testReset() {
String text = "abc";
CollationElementIterator iterator = coll.getCollationElementIterator(text);
int[] orders = new int[text.length()];
int order = iterator.next();
int i = 0;
while (order != CollationElementIterator.NULLORDER) {
orders[i++] = order;
order = iterator.next();
}
int offset = iterator.getOffset();
assertEquals(text.length(), offset);
iterator.reset();
assertEquals(0, iterator.getOffset());
}
public void testGetMaxExpansion() {
String text = "cha";
RuleBasedCollator rbColl = (RuleBasedCollator) Collator.getInstance(
Locale.forLanguageTag("es-u-co-trad"));
CollationElementIterator iterator = rbColl.getCollationElementIterator(text);
int order = iterator.next();
while (order != CollationElementIterator.NULLORDER) {
assertEquals(1, iterator.getMaxExpansion(order));
order = iterator.next();
}
}
public void testPrimaryOrder() {
RuleBasedCollator rbColl = (RuleBasedCollator) Collator.getInstance(new Locale("de", "DE"));
String text = "\u00e6";
CollationElementIterator iterator = rbColl.getCollationElementIterator(text);
int order = iterator.next();
int pOrder = CollationElementIterator.primaryOrder(order);
CollationElementIterator iterator2 = rbColl.getCollationElementIterator("ae");
int order2 = iterator2.next();
int pOrder2 = CollationElementIterator.primaryOrder(order2);
assertEquals(pOrder, pOrder2);
}
public void testSecondaryOrder() {
RuleBasedCollator rbColl = (RuleBasedCollator) Collator.getInstance(new Locale("fr", "FR"));
String text = "a\u00e0";
CollationElementIterator iterator = rbColl.getCollationElementIterator(text);
int order = iterator.next();
int sOrder1 = CollationElementIterator.secondaryOrder(order);
order = iterator.next();
int sOrder2 = CollationElementIterator.secondaryOrder(order);
assertEquals(sOrder1, sOrder2);
}
public void testTertiaryOrder() {
RuleBasedCollator rbColl = (RuleBasedCollator) Collator.getInstance(new Locale("fr", "FR"));
String text = "abAB";
CollationElementIterator iterator = rbColl.getCollationElementIterator(text);
int order = iterator.next();
int tOrder1 = CollationElementIterator.tertiaryOrder(order);
order = iterator.next();
int tOrder2 = CollationElementIterator.tertiaryOrder(order);
assertEquals(tOrder1, tOrder2);
order = iterator.next();
tOrder1 = CollationElementIterator.tertiaryOrder(order);
order = iterator.next();
tOrder2 = CollationElementIterator.tertiaryOrder(order);
assertEquals(tOrder1, tOrder2);
}
public void testSetOffset() {
RuleBasedCollator rbColl = (RuleBasedCollator) Collator.getInstance(
Locale.forLanguageTag("es-u-co-trad"));
String text = "cha";
CollationElementIterator iterator = rbColl.getCollationElementIterator(text);
iterator.setOffset(0);
assertEquals(0, iterator.getOffset());
iterator.setOffset(1);
assertEquals(0, iterator.getOffset());
iterator.setOffset(2);
assertEquals(2, iterator.getOffset());
}
public void testSetTextString() {
RuleBasedCollator rbColl = (RuleBasedCollator) Collator.getInstance(
Locale.forLanguageTag("es-u-co-trad"));
String text = "caa";
CollationElementIterator iterator = rbColl.getCollationElementIterator(text);
iterator.setOffset(0);
assertEquals(0, iterator.getOffset());
iterator.setOffset(1);
assertEquals(1, iterator.getOffset());
iterator.setOffset(2);
assertEquals(2, iterator.getOffset());
iterator.setText("cha");
iterator.setOffset(0);
assertEquals(0, iterator.getOffset());
iterator.setOffset(1);
assertEquals(0, iterator.getOffset());
iterator.setOffset(2);
assertEquals(2, iterator.getOffset());
}
public void testSetTextCharacterIterator() {
RuleBasedCollator rbColl = (RuleBasedCollator) Collator.getInstance(
Locale.forLanguageTag("es-u-co-trad"));
String text = "caa";
CollationElementIterator iterator = rbColl.getCollationElementIterator(text);
iterator.setOffset(1);
assertEquals(1, iterator.getOffset());
iterator.setText(new StringCharacterIterator("cha"));
iterator.setOffset(1);
assertEquals(1, iterator.getOffset());
}
}