/*
* 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.util.regex;
import java.util.regex.Pattern;
import java.util.regex.PatternSyntaxException;
import junit.framework.TestCase;
/**
* TODO Type description
*/
@SuppressWarnings("nls")
public class SplitTest extends TestCase {
public void testSimple() {
Pattern p = Pattern.compile("/");
String[] results = p.split("have/you/done/it/right");
String[] expected = new String[] { "have", "you", "done", "it", "right" };
assertEquals(expected.length, results.length);
for (int i = 0; i < expected.length; i++) {
assertEquals(results[i], expected[i]);
}
}
public void testSplit1() throws PatternSyntaxException {
Pattern p = Pattern.compile(" ");
String input = "poodle zoo";
String tokens[];
tokens = p.split(input, 1);
assertEquals(1, tokens.length);
assertTrue(tokens[0].equals(input));
tokens = p.split(input, 2);
assertEquals(2, tokens.length);
assertEquals("poodle", tokens[0]);
assertEquals("zoo", tokens[1]);
tokens = p.split(input, 5);
assertEquals(2, tokens.length);
assertEquals("poodle", tokens[0]);
assertEquals("zoo", tokens[1]);
tokens = p.split(input, -2);
assertEquals(2, tokens.length);
assertEquals("poodle", tokens[0]);
assertEquals("zoo", tokens[1]);
tokens = p.split(input, 0);
assertEquals(2, tokens.length);
assertEquals("poodle", tokens[0]);
assertEquals("zoo", tokens[1]);
tokens = p.split(input);
assertEquals(2, tokens.length);
assertEquals("poodle", tokens[0]);
assertEquals("zoo", tokens[1]);
p = Pattern.compile("d");
tokens = p.split(input, 1);
assertEquals(1, tokens.length);
assertTrue(tokens[0].equals(input));
tokens = p.split(input, 2);
assertEquals(2, tokens.length);
assertEquals("poo", tokens[0]);
assertEquals("le zoo", tokens[1]);
tokens = p.split(input, 5);
assertEquals(2, tokens.length);
assertEquals("poo", tokens[0]);
assertEquals("le zoo", tokens[1]);
tokens = p.split(input, -2);
assertEquals(2, tokens.length);
assertEquals("poo", tokens[0]);
assertEquals("le zoo", tokens[1]);
tokens = p.split(input, 0);
assertEquals(2, tokens.length);
assertEquals("poo", tokens[0]);
assertEquals("le zoo", tokens[1]);
tokens = p.split(input);
assertEquals(2, tokens.length);
assertEquals("poo", tokens[0]);
assertEquals("le zoo", tokens[1]);
p = Pattern.compile("o");
tokens = p.split(input, 1);
assertEquals(1, tokens.length);
assertTrue(tokens[0].equals(input));
tokens = p.split(input, 2);
assertEquals(2, tokens.length);
assertEquals("p", tokens[0]);
assertEquals("odle zoo", tokens[1]);
tokens = p.split(input, 5);
assertEquals(5, tokens.length);
assertEquals("p", tokens[0]);
assertTrue(tokens[1].equals(""));
assertEquals("dle z", tokens[2]);
assertTrue(tokens[3].equals(""));
assertTrue(tokens[4].equals(""));
tokens = p.split(input, -2);
assertEquals(5, tokens.length);
assertEquals("p", tokens[0]);
assertTrue(tokens[1].equals(""));
assertEquals("dle z", tokens[2]);
assertTrue(tokens[3].equals(""));
assertTrue(tokens[4].equals(""));
tokens = p.split(input, 0);
assertEquals(3, tokens.length);
assertEquals("p", tokens[0]);
assertTrue(tokens[1].equals(""));
assertEquals("dle z", tokens[2]);
tokens = p.split(input);
assertEquals(3, tokens.length);
assertEquals("p", tokens[0]);
assertTrue(tokens[1].equals(""));
assertEquals("dle z", tokens[2]);
}
public void testSplit2() {
Pattern p = Pattern.compile("");
String s[];
s = p.split("a", -1);
assertEquals(3, s.length);
assertEquals("", s[0]);
assertEquals("a", s[1]);
assertEquals("", s[2]);
s = p.split("", -1);
assertEquals(1, s.length);
assertEquals("", s[0]);
s = p.split("abcd", -1);
assertEquals(6, s.length);
assertEquals("", s[0]);
assertEquals("a", s[1]);
assertEquals("b", s[2]);
assertEquals("c", s[3]);
assertEquals("d", s[4]);
assertEquals("", s[5]);
}
public void testSplitSupplementaryWithEmptyString() {
/*
* See http://www.unicode.org/reports/tr18/#Supplementary_Characters We
* have to treat text as code points not code units.
*/
Pattern p = Pattern.compile("");
String s[];
s = p.split("a\ud869\uded6b", -1);
assertEquals(5, s.length);
assertEquals("", s[0]);
assertEquals("a", s[1]);
assertEquals("\ud869\uded6", s[2]);
assertEquals("b", s[3]);
assertEquals("", s[4]);
}
}