/*
* 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.commons.lang3.text;
import static org.junit.Assert.assertEquals;
import static org.junit.Assert.assertFalse;
import static org.junit.Assert.assertNotNull;
import static org.junit.Assert.assertTrue;
import java.lang.reflect.Constructor;
import java.lang.reflect.Modifier;
import org.junit.Test;
/**
* Unit tests for WordUtils class.
*
* @version $Id$
*/
public class WordUtilsTest {
//-----------------------------------------------------------------------
@Test
public void testConstructor() {
assertNotNull(new WordUtils());
final Constructor<?>[] cons = WordUtils.class.getDeclaredConstructors();
assertEquals(1, cons.length);
assertTrue(Modifier.isPublic(cons[0].getModifiers()));
assertTrue(Modifier.isPublic(WordUtils.class.getModifiers()));
assertFalse(Modifier.isFinal(WordUtils.class.getModifiers()));
}
//-----------------------------------------------------------------------
@Test
public void testWrap_StringInt() {
assertEquals(null, WordUtils.wrap(null, 20));
assertEquals(null, WordUtils.wrap(null, -1));
assertEquals("", WordUtils.wrap("", 20));
assertEquals("", WordUtils.wrap("", -1));
// normal
final String systemNewLine = System.getProperty("line.separator");
String input = "Here is one line of text that is going to be wrapped after 20 columns.";
String expected = "Here is one line of" + systemNewLine + "text that is going"
+ systemNewLine + "to be wrapped after" + systemNewLine + "20 columns.";
assertEquals(expected, WordUtils.wrap(input, 20));
// long word at end
input = "Click here to jump to the jakarta website - http://jakarta.apache.org";
expected = "Click here to jump" + systemNewLine + "to the jakarta" + systemNewLine
+ "website -" + systemNewLine + "http://jakarta.apache.org";
assertEquals(expected, WordUtils.wrap(input, 20));
// long word in middle
input = "Click here, http://jakarta.apache.org, to jump to the jakarta website";
expected = "Click here," + systemNewLine + "http://jakarta.apache.org," + systemNewLine
+ "to jump to the" + systemNewLine + "jakarta website";
assertEquals(expected, WordUtils.wrap(input, 20));
}
@Test
public void testWrap_StringIntStringBoolean() {
assertEquals(null, WordUtils.wrap(null, 20, "\n", false));
assertEquals(null, WordUtils.wrap(null, 20, "\n", true));
assertEquals(null, WordUtils.wrap(null, 20, null, true));
assertEquals(null, WordUtils.wrap(null, 20, null, false));
assertEquals(null, WordUtils.wrap(null, -1, null, true));
assertEquals(null, WordUtils.wrap(null, -1, null, false));
assertEquals("", WordUtils.wrap("", 20, "\n", false));
assertEquals("", WordUtils.wrap("", 20, "\n", true));
assertEquals("", WordUtils.wrap("", 20, null, false));
assertEquals("", WordUtils.wrap("", 20, null, true));
assertEquals("", WordUtils.wrap("", -1, null, false));
assertEquals("", WordUtils.wrap("", -1, null, true));
// normal
String input = "Here is one line of text that is going to be wrapped after 20 columns.";
String expected = "Here is one line of\ntext that is going\nto be wrapped after\n20 columns.";
assertEquals(expected, WordUtils.wrap(input, 20, "\n", false));
assertEquals(expected, WordUtils.wrap(input, 20, "\n", true));
// unusual newline char
input = "Here is one line of text that is going to be wrapped after 20 columns.";
expected = "Here is one line of<br />text that is going<br />to be wrapped after<br />20 columns.";
assertEquals(expected, WordUtils.wrap(input, 20, "<br />", false));
assertEquals(expected, WordUtils.wrap(input, 20, "<br />", true));
// short line length
input = "Here is one line";
expected = "Here\nis one\nline";
assertEquals(expected, WordUtils.wrap(input, 6, "\n", false));
expected = "Here\nis\none\nline";
assertEquals(expected, WordUtils.wrap(input, 2, "\n", false));
assertEquals(expected, WordUtils.wrap(input, -1, "\n", false));
// system newline char
final String systemNewLine = System.getProperty("line.separator");
input = "Here is one line of text that is going to be wrapped after 20 columns.";
expected = "Here is one line of" + systemNewLine + "text that is going" + systemNewLine
+ "to be wrapped after" + systemNewLine + "20 columns.";
assertEquals(expected, WordUtils.wrap(input, 20, null, false));
assertEquals(expected, WordUtils.wrap(input, 20, null, true));
// with extra spaces
input = " Here: is one line of text that is going to be wrapped after 20 columns.";
expected = "Here: is one line\nof text that is \ngoing to be \nwrapped after 20 \ncolumns.";
assertEquals(expected, WordUtils.wrap(input, 20, "\n", false));
assertEquals(expected, WordUtils.wrap(input, 20, "\n", true));
// with tab
input = "Here is\tone line of text that is going to be wrapped after 20 columns.";
expected = "Here is\tone line of\ntext that is going\nto be wrapped after\n20 columns.";
assertEquals(expected, WordUtils.wrap(input, 20, "\n", false));
assertEquals(expected, WordUtils.wrap(input, 20, "\n", true));
// with tab at wrapColumn
input = "Here is one line of\ttext that is going to be wrapped after 20 columns.";
expected = "Here is one line\nof\ttext that is\ngoing to be wrapped\nafter 20 columns.";
assertEquals(expected, WordUtils.wrap(input, 20, "\n", false));
assertEquals(expected, WordUtils.wrap(input, 20, "\n", true));
// difference because of long word
input = "Click here to jump to the jakarta website - http://jakarta.apache.org";
expected = "Click here to jump\nto the jakarta\nwebsite -\nhttp://jakarta.apache.org";
assertEquals(expected, WordUtils.wrap(input, 20, "\n", false));
expected = "Click here to jump\nto the jakarta\nwebsite -\nhttp://jakarta.apach\ne.org";
assertEquals(expected, WordUtils.wrap(input, 20, "\n", true));
// difference because of long word in middle
input = "Click here, http://jakarta.apache.org, to jump to the jakarta website";
expected = "Click here,\nhttp://jakarta.apache.org,\nto jump to the\njakarta website";
assertEquals(expected, WordUtils.wrap(input, 20, "\n", false));
expected = "Click here,\nhttp://jakarta.apach\ne.org, to jump to\nthe jakarta website";
assertEquals(expected, WordUtils.wrap(input, 20, "\n", true));
// System.err.println(expected);
// System.err.println(WordUtils.wrap(input, 20, "\n", false));
}
//-----------------------------------------------------------------------
@Test
public void testCapitalize_String() {
assertEquals(null, WordUtils.capitalize(null));
assertEquals("", WordUtils.capitalize(""));
assertEquals(" ", WordUtils.capitalize(" "));
assertEquals("I", WordUtils.capitalize("I") );
assertEquals("I", WordUtils.capitalize("i") );
assertEquals("I Am Here 123", WordUtils.capitalize("i am here 123") );
assertEquals("I Am Here 123", WordUtils.capitalize("I Am Here 123") );
assertEquals("I Am HERE 123", WordUtils.capitalize("i am HERE 123") );
assertEquals("I AM HERE 123", WordUtils.capitalize("I AM HERE 123") );
}
@Test
public void testCapitalizeWithDelimiters_String() {
assertEquals(null, WordUtils.capitalize(null, null));
assertEquals("", WordUtils.capitalize("", new char[0]));
assertEquals(" ", WordUtils.capitalize(" ", new char[0]));
char[] chars = new char[] { '-', '+', ' ', '@' };
assertEquals("I", WordUtils.capitalize("I", chars) );
assertEquals("I", WordUtils.capitalize("i", chars) );
assertEquals("I-Am Here+123", WordUtils.capitalize("i-am here+123", chars) );
assertEquals("I Am+Here-123", WordUtils.capitalize("I Am+Here-123", chars) );
assertEquals("I+Am-HERE 123", WordUtils.capitalize("i+am-HERE 123", chars) );
assertEquals("I-AM HERE+123", WordUtils.capitalize("I-AM HERE+123", chars) );
chars = new char[] {'.'};
assertEquals("I aM.Fine", WordUtils.capitalize("i aM.fine", chars) );
assertEquals("I Am.fine", WordUtils.capitalize("i am.fine", null) );
}
@Test
public void testCapitalizeFully_String() {
assertEquals(null, WordUtils.capitalizeFully(null));
assertEquals("", WordUtils.capitalizeFully(""));
assertEquals(" ", WordUtils.capitalizeFully(" "));
assertEquals("I", WordUtils.capitalizeFully("I") );
assertEquals("I", WordUtils.capitalizeFully("i") );
assertEquals("I Am Here 123", WordUtils.capitalizeFully("i am here 123") );
assertEquals("I Am Here 123", WordUtils.capitalizeFully("I Am Here 123") );
assertEquals("I Am Here 123", WordUtils.capitalizeFully("i am HERE 123") );
assertEquals("I Am Here 123", WordUtils.capitalizeFully("I AM HERE 123") );
}
@Test
public void testCapitalizeFullyWithDelimiters_String() {
assertEquals(null, WordUtils.capitalizeFully(null, null));
assertEquals("", WordUtils.capitalizeFully("", new char[0]));
assertEquals(" ", WordUtils.capitalizeFully(" ", new char[0]));
char[] chars = new char[] { '-', '+', ' ', '@' };
assertEquals("I", WordUtils.capitalizeFully("I", chars) );
assertEquals("I", WordUtils.capitalizeFully("i", chars) );
assertEquals("I-Am Here+123", WordUtils.capitalizeFully("i-am here+123", chars) );
assertEquals("I Am+Here-123", WordUtils.capitalizeFully("I Am+Here-123", chars) );
assertEquals("I+Am-Here 123", WordUtils.capitalizeFully("i+am-HERE 123", chars) );
assertEquals("I-Am Here+123", WordUtils.capitalizeFully("I-AM HERE+123", chars) );
chars = new char[] {'.'};
assertEquals("I am.Fine", WordUtils.capitalizeFully("i aM.fine", chars) );
assertEquals("I Am.fine", WordUtils.capitalizeFully("i am.fine", null) );
}
@Test
public void testUncapitalize_String() {
assertEquals(null, WordUtils.uncapitalize(null));
assertEquals("", WordUtils.uncapitalize(""));
assertEquals(" ", WordUtils.uncapitalize(" "));
assertEquals("i", WordUtils.uncapitalize("I") );
assertEquals("i", WordUtils.uncapitalize("i") );
assertEquals("i am here 123", WordUtils.uncapitalize("i am here 123") );
assertEquals("i am here 123", WordUtils.uncapitalize("I Am Here 123") );
assertEquals("i am hERE 123", WordUtils.uncapitalize("i am HERE 123") );
assertEquals("i aM hERE 123", WordUtils.uncapitalize("I AM HERE 123") );
}
@Test
public void testUncapitalizeWithDelimiters_String() {
assertEquals(null, WordUtils.uncapitalize(null, null));
assertEquals("", WordUtils.uncapitalize("", new char[0]));
assertEquals(" ", WordUtils.uncapitalize(" ", new char[0]));
char[] chars = new char[] { '-', '+', ' ', '@' };
assertEquals("i", WordUtils.uncapitalize("I", chars) );
assertEquals("i", WordUtils.uncapitalize("i", chars) );
assertEquals("i am-here+123", WordUtils.uncapitalize("i am-here+123", chars) );
assertEquals("i+am here-123", WordUtils.uncapitalize("I+Am Here-123", chars) );
assertEquals("i-am+hERE 123", WordUtils.uncapitalize("i-am+HERE 123", chars) );
assertEquals("i aM-hERE+123", WordUtils.uncapitalize("I AM-HERE+123", chars) );
chars = new char[] {'.'};
assertEquals("i AM.fINE", WordUtils.uncapitalize("I AM.FINE", chars) );
assertEquals("i aM.FINE", WordUtils.uncapitalize("I AM.FINE", null) );
}
//-----------------------------------------------------------------------
@Test
public void testInitials_String() {
assertEquals(null, WordUtils.initials(null));
assertEquals("", WordUtils.initials(""));
assertEquals("", WordUtils.initials(" "));
assertEquals("I", WordUtils.initials("I"));
assertEquals("i", WordUtils.initials("i"));
assertEquals("BJL", WordUtils.initials("Ben John Lee"));
assertEquals("BJ", WordUtils.initials("Ben J.Lee"));
assertEquals("BJ.L", WordUtils.initials(" Ben John . Lee"));
assertEquals("iah1", WordUtils.initials("i am here 123"));
}
// -----------------------------------------------------------------------
@Test
public void testInitials_String_charArray() {
char[] array = null;
assertEquals(null, WordUtils.initials(null, array));
assertEquals("", WordUtils.initials("", array));
assertEquals("", WordUtils.initials(" ", array));
assertEquals("I", WordUtils.initials("I", array));
assertEquals("i", WordUtils.initials("i", array));
assertEquals("S", WordUtils.initials("SJC", array));
assertEquals("BJL", WordUtils.initials("Ben John Lee", array));
assertEquals("BJ", WordUtils.initials("Ben J.Lee", array));
assertEquals("BJ.L", WordUtils.initials(" Ben John . Lee", array));
assertEquals("KO", WordUtils.initials("Kay O'Murphy", array));
assertEquals("iah1", WordUtils.initials("i am here 123", array));
array = new char[0];
assertEquals(null, WordUtils.initials(null, array));
assertEquals("", WordUtils.initials("", array));
assertEquals("", WordUtils.initials(" ", array));
assertEquals("", WordUtils.initials("I", array));
assertEquals("", WordUtils.initials("i", array));
assertEquals("", WordUtils.initials("SJC", array));
assertEquals("", WordUtils.initials("Ben John Lee", array));
assertEquals("", WordUtils.initials("Ben J.Lee", array));
assertEquals("", WordUtils.initials(" Ben John . Lee", array));
assertEquals("", WordUtils.initials("Kay O'Murphy", array));
assertEquals("", WordUtils.initials("i am here 123", array));
array = " ".toCharArray();
assertEquals(null, WordUtils.initials(null, array));
assertEquals("", WordUtils.initials("", array));
assertEquals("", WordUtils.initials(" ", array));
assertEquals("I", WordUtils.initials("I", array));
assertEquals("i", WordUtils.initials("i", array));
assertEquals("S", WordUtils.initials("SJC", array));
assertEquals("BJL", WordUtils.initials("Ben John Lee", array));
assertEquals("BJ", WordUtils.initials("Ben J.Lee", array));
assertEquals("BJ.L", WordUtils.initials(" Ben John . Lee", array));
assertEquals("KO", WordUtils.initials("Kay O'Murphy", array));
assertEquals("iah1", WordUtils.initials("i am here 123", array));
array = " .".toCharArray();
assertEquals(null, WordUtils.initials(null, array));
assertEquals("", WordUtils.initials("", array));
assertEquals("", WordUtils.initials(" ", array));
assertEquals("I", WordUtils.initials("I", array));
assertEquals("i", WordUtils.initials("i", array));
assertEquals("S", WordUtils.initials("SJC", array));
assertEquals("BJL", WordUtils.initials("Ben John Lee", array));
assertEquals("BJL", WordUtils.initials("Ben J.Lee", array));
assertEquals("BJL", WordUtils.initials(" Ben John . Lee", array));
assertEquals("KO", WordUtils.initials("Kay O'Murphy", array));
assertEquals("iah1", WordUtils.initials("i am here 123", array));
array = " .'".toCharArray();
assertEquals(null, WordUtils.initials(null, array));
assertEquals("", WordUtils.initials("", array));
assertEquals("", WordUtils.initials(" ", array));
assertEquals("I", WordUtils.initials("I", array));
assertEquals("i", WordUtils.initials("i", array));
assertEquals("S", WordUtils.initials("SJC", array));
assertEquals("BJL", WordUtils.initials("Ben John Lee", array));
assertEquals("BJL", WordUtils.initials("Ben J.Lee", array));
assertEquals("BJL", WordUtils.initials(" Ben John . Lee", array));
assertEquals("KOM", WordUtils.initials("Kay O'Murphy", array));
assertEquals("iah1", WordUtils.initials("i am here 123", array));
array = "SIJo1".toCharArray();
assertEquals(null, WordUtils.initials(null, array));
assertEquals("", WordUtils.initials("", array));
assertEquals(" ", WordUtils.initials(" ", array));
assertEquals("", WordUtils.initials("I", array));
assertEquals("i", WordUtils.initials("i", array));
assertEquals("C", WordUtils.initials("SJC", array));
assertEquals("Bh", WordUtils.initials("Ben John Lee", array));
assertEquals("B.", WordUtils.initials("Ben J.Lee", array));
assertEquals(" h", WordUtils.initials(" Ben John . Lee", array));
assertEquals("K", WordUtils.initials("Kay O'Murphy", array));
assertEquals("i2", WordUtils.initials("i am here 123", array));
}
// -----------------------------------------------------------------------
@Test
public void testSwapCase_String() {
assertEquals(null, WordUtils.swapCase(null));
assertEquals("", WordUtils.swapCase(""));
assertEquals(" ", WordUtils.swapCase(" "));
assertEquals("i", WordUtils.swapCase("I") );
assertEquals("I", WordUtils.swapCase("i") );
assertEquals("I AM HERE 123", WordUtils.swapCase("i am here 123") );
assertEquals("i aM hERE 123", WordUtils.swapCase("I Am Here 123") );
assertEquals("I AM here 123", WordUtils.swapCase("i am HERE 123") );
assertEquals("i am here 123", WordUtils.swapCase("I AM HERE 123") );
final String test = "This String contains a TitleCase character: \u01C8";
final String expect = "tHIS sTRING CONTAINS A tITLEcASE CHARACTER: \u01C9";
assertEquals(expect, WordUtils.swapCase(test));
}
}