Additional testing, especially in the area of whitespace
git-svn-id: https://svn.apache.org/repos/asf/jakarta/commons/proper/lang/trunk@137453 13f79535-47bb-0310-9956-ffa450edef68
This commit is contained in:
Stephen Colebourne
parent
6c009fd782
commit
7e0990cccc
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@ -62,7 +62,7 @@ import junit.textui.TestRunner;
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* Unit tests {@link org.apache.commons.lang.StringUtils} - Substring methods
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*
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* @author <a href="mailto:scolebourne@joda.org">Stephen Colebourne</a>
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* @version $Id: StringUtilsIsTest.java,v 1.5 2003/03/23 21:51:51 scolebourne Exp $
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* @version $Id: StringUtilsIsTest.java,v 1.6 2003/07/19 18:10:30 scolebourne Exp $
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*/
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public class StringUtilsIsTest extends TestCase {
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@ -129,6 +129,8 @@ public class StringUtilsIsTest extends TestCase {
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assertEquals(false, StringUtils.isWhitespace("a "));
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assertEquals(false, StringUtils.isWhitespace(" a"));
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assertEquals(false, StringUtils.isWhitespace("aba"));
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assertEquals(true, StringUtils.isWhitespace(StringUtilsTest.WHITESPACE));
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assertEquals(false, StringUtils.isWhitespace(StringUtilsTest.NON_WHITESPACE));
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}
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public void testIsAlphaspace() {
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@ -56,6 +56,7 @@ package org.apache.commons.lang;
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import java.util.Arrays;
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import java.util.Iterator;
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import junit.framework.AssertionFailedError;
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import junit.framework.Test;
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import junit.framework.TestCase;
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import junit.framework.TestSuite;
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@ -71,9 +72,37 @@ import junit.textui.TestRunner;
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* @author <a href="mailto:fredrik@westermarck.com>Fredrik Westermarck</a>
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* @author Holger Krauth
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* @author <a href="hps@intermeta.de">Henning P. Schmiedehausen</a>
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* @version $Id: StringUtilsTest.java,v 1.28 2003/07/19 00:22:50 scolebourne Exp $
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* @version $Id: StringUtilsTest.java,v 1.29 2003/07/19 18:10:30 scolebourne Exp $
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*/
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public class StringUtilsTest extends TestCase {
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static final String WHITESPACE;
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static final String NON_WHITESPACE;
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static final String TRIMMABLE;
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static final String NON_TRIMMABLE;
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static {
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String ws = "";
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String nws = "";
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String tr = "";
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String ntr = "";
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for (int i = 0; i < Character.MAX_VALUE; i++) {
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if (Character.isWhitespace((char) i)) {
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ws += String.valueOf((char) i);
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if (i > 32) {
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ntr += String.valueOf((char) i);
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}
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} else if (i < 40) {
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nws += String.valueOf((char) i);
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}
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}
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for (int i = 0; i <= 32; i++) {
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tr += String.valueOf((char) i);
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}
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WHITESPACE = ws;
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NON_WHITESPACE = nws;
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TRIMMABLE = tr;
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NON_TRIMMABLE = ntr;
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}
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private static final String[] ARRAY_LIST = { "foo", "bar", "baz" };
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private static final String[] EMPTY_ARRAY_LIST = {};
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@ -210,53 +239,106 @@ public class StringUtilsTest extends TestCase {
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null));
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}
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public void testSplit() {
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public void testSplit_String() {
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assertEquals(null, StringUtils.split(null));
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assertEquals(0, StringUtils.split("").length);
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String str = "a b .c";
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String[] res = StringUtils.split(str);
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assertEquals(3, res.length);
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assertEquals("a", res[0]);
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assertEquals("b", res[1]);
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assertEquals(".c", res[2]);
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str = " a ";
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res = StringUtils.split(str);
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assertEquals(1, res.length);
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assertEquals("a", res[0]);
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str = "a" + WHITESPACE + "b" + NON_WHITESPACE + "c";
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res = StringUtils.split(str);
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assertEquals(2, res.length);
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assertEquals("a", res[0]);
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assertEquals("b" + NON_WHITESPACE + "c", res[1]);
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}
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public void testSplit_StringChar() {
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assertEquals(null, StringUtils.split(null, '.'));
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assertEquals(0, StringUtils.split("", '.').length);
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String str = "a.b.. c";
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String[] res = StringUtils.split(str, '.');
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assertEquals(3, res.length);
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assertEquals("a", res[0]);
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assertEquals("b", res[1]);
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assertEquals(" c", res[2]);
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str = ".a.";
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res = StringUtils.split(str, '.');
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assertEquals(1, res.length);
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assertEquals("a", res[0]);
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}
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public void testSplit() {
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assertEquals(null, StringUtils.split(null, "."));
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assertEquals(null, StringUtils.split(null, ".", 3));
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String[] res = StringUtils.split("a..b.c", '.');
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assertEquals(4, res.length);
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assertEquals("a", res[0]);
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assertEquals("", res[1]);
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assertEquals("b", res[2]);
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assertEquals("c", res[3]);
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String[] result = StringUtils.split(TEXT_LIST, SEPARATOR, 2);
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String[] expected = { "foo", "bar,baz" };
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assertEquals("split(Object[], String, int) yielded unexpected length",
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expected.length, result.length);
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for (int i = 0; i < result.length; i++)
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{
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assertEquals("split(Object[], String, int) failed", expected[i],
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result[i]);
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assertEquals(0, StringUtils.split("", ".").length);
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assertEquals(0, StringUtils.split("", ".", 3).length);
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innerTestSplit('.', ".", ' ');
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innerTestSplit('.', ".", ',');
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innerTestSplit('.', ".,", 'x');
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for (int i = 0; i < WHITESPACE.length(); i++) {
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for (int j = 0; j < NON_WHITESPACE.length(); j++) {
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innerTestSplit(WHITESPACE.charAt(i), null, NON_WHITESPACE.charAt(j));
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innerTestSplit(WHITESPACE.charAt(i), String.valueOf(WHITESPACE.charAt(i)), NON_WHITESPACE.charAt(j));
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}
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}
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}
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private void innerTestSplit(char separator, String sepStr, char noMatch) {
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try {
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final String str = "a" + separator + "b" + separator + separator + noMatch + "c";
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String[] res;
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// (str, sepStr)
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res = StringUtils.split(str, sepStr);
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assertEquals(3, res.length);
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assertEquals("a", res[0]);
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assertEquals("b", res[1]);
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assertEquals(noMatch + "c", res[2]);
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final String str2 = separator + "a" + separator;
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res = StringUtils.split(str2, sepStr);
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assertEquals(1, res.length);
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assertEquals("a", res[0]);
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result = StringUtils.split(TEXT_LIST, SEPARATOR, 0);
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expected = ARRAY_LIST;
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assertEquals("split(Object[], String, int) yielded unexpected length",
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expected.length, result.length);
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for (int i = 0; i < result.length; i++)
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{
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assertEquals("split(Object[], String, int) failed", expected[i],
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result[i]);
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res = StringUtils.split(str, sepStr, -1);
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assertEquals(3, res.length);
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assertEquals("a", res[0]);
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assertEquals("b", res[1]);
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assertEquals(noMatch + "c", res[2]);
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res = StringUtils.split(str, sepStr, 0);
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assertEquals(3, res.length);
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assertEquals("a", res[0]);
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assertEquals("b", res[1]);
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assertEquals(noMatch + "c", res[2]);
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res = StringUtils.split(str, sepStr, 1);
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assertEquals(1, res.length);
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assertEquals(str, res[0]);
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res = StringUtils.split(str, sepStr, 2);
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assertEquals(2, res.length);
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assertEquals("a", res[0]);
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assertEquals(str.substring(2), res[1]);
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} catch (AssertionFailedError ex) {
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System.out.println("Failed on separator hex(" + Integer.toHexString(separator) +
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"), noMatch hex(" + Integer.toHexString(noMatch) + "), sepStr(" + sepStr + ")");
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throw ex;
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}
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result = StringUtils.split(TEXT_LIST, SEPARATOR, -1);
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expected = ARRAY_LIST;
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assertEquals("split(Object[], String, int) yielded unexpected length",
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expected.length, result.length);
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for (int i = 0; i < result.length; i++)
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{
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assertEquals("split(Object[], String, int) failed", expected[i],
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result[i]);
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}
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result = StringUtils.split("one two three four five six", null, 3);
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assertEquals("split(Object[], null, int)[0] failed", "one", result[0]);
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assertEquals("split(Object[], null, int)[1] failed", "two", result[1]);
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assertEquals("split(Object[], null, int)[2] failed", "three four five six", result[2]);
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}
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public void testReplaceFunctions() {
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@ -63,7 +63,7 @@ import junit.textui.TestRunner;
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*
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* @author <a href="mailto:scolebourne@joda.org">Stephen Colebourne</a>
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* @author <a href="mailto:ridesmet@users.sourceforge.net">Ringo De Smet</a>
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* @version $Id: StringUtilsTrimEmptyTest.java,v 1.10 2003/07/18 02:06:23 scolebourne Exp $
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* @version $Id: StringUtilsTrimEmptyTest.java,v 1.11 2003/07/19 18:10:30 scolebourne Exp $
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*/
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public class StringUtilsTrimEmptyTest extends TestCase {
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private static final String FOO = "foo";
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@ -108,6 +108,8 @@ public class StringUtilsTrimEmptyTest extends TestCase {
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assertEquals(FOO, StringUtils.trim(" " + FOO));
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assertEquals(FOO, StringUtils.trim(FOO + ""));
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assertEquals("", StringUtils.trim(" \t\r\n\b "));
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assertEquals("", StringUtils.trim(StringUtilsTest.TRIMMABLE));
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assertEquals(StringUtilsTest.NON_TRIMMABLE, StringUtils.trim(StringUtilsTest.NON_TRIMMABLE));
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assertEquals("", StringUtils.trim(""));
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assertEquals(null, StringUtils.trim(null));
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}
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@ -118,6 +120,8 @@ public class StringUtilsTrimEmptyTest extends TestCase {
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assertEquals(FOO, StringUtils.trimToNull(" " + FOO));
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assertEquals(FOO, StringUtils.trimToNull(FOO + ""));
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assertEquals(null, StringUtils.trimToNull(" \t\r\n\b "));
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assertEquals(null, StringUtils.trimToNull(StringUtilsTest.TRIMMABLE));
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assertEquals(StringUtilsTest.NON_TRIMMABLE, StringUtils.trimToNull(StringUtilsTest.NON_TRIMMABLE));
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assertEquals(null, StringUtils.trimToNull(""));
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assertEquals(null, StringUtils.trimToNull(null));
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}
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@ -128,6 +132,8 @@ public class StringUtilsTrimEmptyTest extends TestCase {
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assertEquals(FOO, StringUtils.trimToEmpty(" " + FOO));
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assertEquals(FOO, StringUtils.trimToEmpty(FOO + ""));
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assertEquals("", StringUtils.trimToEmpty(" \t\r\n\b "));
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assertEquals("", StringUtils.trimToEmpty(StringUtilsTest.TRIMMABLE));
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assertEquals(StringUtilsTest.NON_TRIMMABLE, StringUtils.trimToEmpty(StringUtilsTest.NON_TRIMMABLE));
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assertEquals("", StringUtils.trimToEmpty(""));
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assertEquals("", StringUtils.trimToEmpty(null));
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}
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@ -197,79 +203,132 @@ public class StringUtilsTrimEmptyTest extends TestCase {
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}
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public void testDeleteSpace() {
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assertEquals("deleteWhitespace(String) failed",
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"", StringUtils.deleteWhitespace(""));
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assertEquals("deleteWhitespace(String) failed",
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"", StringUtils.deleteWhitespace(" \u000C \t\t\u001F\n\n \u000B "));
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assertEquals(null, StringUtils.deleteSpaces(null));
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assertEquals("", StringUtils.deleteSpaces(""));
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assertEquals("", StringUtils.deleteSpaces(" \t\t\n\n "));
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assertEquals("test", StringUtils.deleteSpaces("t \t\ne\rs\n\n \tt"));
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}
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public void testDeleteWhitespace() {
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assertEquals(null, StringUtils.deleteWhitespace(null));
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assertEquals("", StringUtils.deleteWhitespace(""));
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assertEquals("", StringUtils.deleteWhitespace(" \u000C \t\t\u001F\n\n \u000B "));
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assertEquals("", StringUtils.deleteWhitespace(StringUtilsTest.WHITESPACE));
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assertEquals(StringUtilsTest.NON_WHITESPACE, StringUtils.deleteWhitespace(StringUtilsTest.NON_WHITESPACE));
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// Note: u-2007 and u-000A both cause problems in the source code
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// it should ignore 2007 but delete 000A
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assertEquals("deleteWhitespace(String) failed",
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"\u00A0\u202F", StringUtils.deleteWhitespace(" \u00A0 \t\t\n\n \u202F "));
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assertEquals("deleteWhitespace(String) failed",
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"\u00A0\u202F", StringUtils.deleteWhitespace("\u00A0\u202F"));
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assertEquals("deleteWhitespace(String) failed",
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"test", StringUtils.deleteWhitespace("\u000Bt \t\n\u0009e\rs\n\n \tt"));
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assertEquals("deleteSpaces(String) failed",
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"", StringUtils.deleteSpaces(""));
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assertEquals("deleteSpaces(String) failed",
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"", StringUtils.deleteSpaces(" \t\t\n\n "));
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assertEquals("deleteSpaces(String) failed",
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"test", StringUtils.deleteSpaces("t \t\ne\rs\n\n \tt"));
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assertEquals("\u00A0\u202F", StringUtils.deleteWhitespace(" \u00A0 \t\t\n\n \u202F "));
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assertEquals("\u00A0\u202F", StringUtils.deleteWhitespace("\u00A0\u202F"));
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assertEquals("test", StringUtils.deleteWhitespace("\u000Bt \t\n\u0009e\rs\n\n \tt"));
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}
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public void testStrip() {
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// it's important that foo2Space is fooLeftSpace and fooRightSpace
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// merged together. So same number of spaces to left as fLS and same
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// to right as fLS. Same applies for foo2Dots.
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String foo2Space = " "+FOO+" ";
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String foo2Dots = "......"+FOO+".........";
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String fooLeftSpace = " "+FOO;
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String fooLeftDots = "......"+FOO;
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String fooRightSpace = FOO+" ";
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String fooRightDots = FOO+".........";
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public void testStrip_String() {
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assertEquals(null, StringUtils.strip(null));
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assertEquals("", StringUtils.strip(""));
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assertEquals("", StringUtils.strip(" "));
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assertEquals(FOO, StringUtils.strip(foo2Space));
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assertEquals("abc", StringUtils.strip(" abc "));
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assertEquals(StringUtilsTest.NON_WHITESPACE,
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StringUtils.strip(StringUtilsTest.WHITESPACE + StringUtilsTest.NON_WHITESPACE + StringUtilsTest.WHITESPACE));
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}
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public void testStrip_StringString() {
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// null strip
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assertEquals(null, StringUtils.strip(null, null));
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assertEquals("", StringUtils.strip("", null));
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assertEquals("", StringUtils.strip(" ", null));
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assertEquals("abc", StringUtils.strip(" abc ", null));
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assertEquals(StringUtilsTest.NON_WHITESPACE,
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StringUtils.strip(StringUtilsTest.WHITESPACE + StringUtilsTest.NON_WHITESPACE + StringUtilsTest.WHITESPACE, null));
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// "" strip
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assertEquals(null, StringUtils.strip(null, ""));
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assertEquals("", StringUtils.strip("", ""));
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assertEquals(" ", StringUtils.strip(" ", ""));
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assertEquals(" abc ", StringUtils.strip(" abc ", ""));
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assertEquals(StringUtilsTest.WHITESPACE, StringUtils.strip(StringUtilsTest.WHITESPACE, ""));
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assertEquals(FOO, StringUtils.strip(foo2Space, null));
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assertEquals(FOO, StringUtils.strip(foo2Dots, "."));
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assertEquals(FOO, StringUtils.strip(fooRightSpace));
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assertEquals(FOO, StringUtils.strip(fooRightDots, "."));
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assertEquals(FOO, StringUtils.strip(fooLeftSpace));
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assertEquals(FOO, StringUtils.strip(fooLeftDots, "."));
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// " " strip
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assertEquals(null, StringUtils.strip(null, " "));
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assertEquals("", StringUtils.strip("", " "));
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assertEquals("", StringUtils.strip(" ", " "));
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assertEquals("abc", StringUtils.strip(" abc ", " "));
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// "ab" strip
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assertEquals(null, StringUtils.strip(null, "ab"));
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assertEquals("", StringUtils.strip("", "ab"));
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assertEquals(" ", StringUtils.strip(" ", "ab"));
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assertEquals(" abc ", StringUtils.strip(" abc ", "ab"));
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assertEquals("c", StringUtils.strip("abcabab", "ab"));
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assertEquals(StringUtilsTest.WHITESPACE, StringUtils.strip(StringUtilsTest.WHITESPACE, ""));
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}
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public void testStripStart_StringString() {
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// null stripStart
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assertEquals(null, StringUtils.stripStart(null, null));
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assertEquals("", StringUtils.stripStart("", null));
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assertEquals("", StringUtils.stripStart(" ", null));
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assertEquals("abc ", StringUtils.stripStart(" abc ", null));
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assertEquals(StringUtilsTest.NON_WHITESPACE + StringUtilsTest.WHITESPACE,
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StringUtils.stripStart(StringUtilsTest.WHITESPACE + StringUtilsTest.NON_WHITESPACE + StringUtilsTest.WHITESPACE, null));
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// "" stripStart
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assertEquals(null, StringUtils.stripStart(null, ""));
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assertEquals("", StringUtils.stripStart("", ""));
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assertEquals(" ", StringUtils.stripStart(" ", ""));
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assertEquals(" abc ", StringUtils.stripStart(" abc ", ""));
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assertEquals(StringUtilsTest.WHITESPACE, StringUtils.stripStart(StringUtilsTest.WHITESPACE, ""));
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// " " stripStart
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assertEquals(null, StringUtils.stripStart(null, " "));
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assertEquals("", StringUtils.stripStart("", " "));
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assertEquals(fooRightSpace, StringUtils.stripStart(foo2Space, null));
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assertEquals(fooRightSpace, StringUtils.stripStart(foo2Space, " "));
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assertEquals(fooRightDots, StringUtils.stripStart(foo2Dots, "."));
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assertEquals(fooRightSpace, StringUtils.stripStart(fooRightSpace, " "));
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assertEquals(fooRightDots, StringUtils.stripStart(fooRightDots, "."));
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assertEquals(FOO, StringUtils.stripStart(fooLeftSpace, " "));
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assertEquals(FOO, StringUtils.stripStart(fooLeftDots, "."));
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assertEquals("", StringUtils.stripStart(" ", " "));
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assertEquals("abc ", StringUtils.stripStart(" abc ", " "));
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// "ab" stripStart
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assertEquals(null, StringUtils.stripStart(null, "ab"));
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assertEquals("", StringUtils.stripStart("", "ab"));
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assertEquals(" ", StringUtils.stripStart(" ", "ab"));
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assertEquals(" abc ", StringUtils.stripStart(" abc ", "ab"));
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assertEquals("cabab", StringUtils.stripStart("abcabab", "ab"));
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assertEquals(StringUtilsTest.WHITESPACE, StringUtils.stripStart(StringUtilsTest.WHITESPACE, ""));
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}
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public void testStripEnd_StringString() {
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// null stripEnd
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assertEquals(null, StringUtils.stripEnd(null, null));
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assertEquals("", StringUtils.stripEnd("", null));
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assertEquals("", StringUtils.stripEnd(" ", null));
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assertEquals(" abc", StringUtils.stripEnd(" abc ", null));
|
||||
assertEquals(StringUtilsTest.WHITESPACE + StringUtilsTest.NON_WHITESPACE,
|
||||
StringUtils.stripEnd(StringUtilsTest.WHITESPACE + StringUtilsTest.NON_WHITESPACE + StringUtilsTest.WHITESPACE, null));
|
||||
|
||||
// "" stripEnd
|
||||
assertEquals(null, StringUtils.stripEnd(null, ""));
|
||||
assertEquals("", StringUtils.stripEnd("", ""));
|
||||
assertEquals(" ", StringUtils.stripEnd(" ", ""));
|
||||
assertEquals(" abc ", StringUtils.stripEnd(" abc ", ""));
|
||||
assertEquals(StringUtilsTest.WHITESPACE, StringUtils.stripEnd(StringUtilsTest.WHITESPACE, ""));
|
||||
|
||||
// " " stripEnd
|
||||
assertEquals(null, StringUtils.stripEnd(null, " "));
|
||||
assertEquals("", StringUtils.stripEnd("", " "));
|
||||
assertEquals(fooLeftSpace, StringUtils.stripEnd(foo2Space, null));
|
||||
assertEquals(fooLeftSpace, StringUtils.stripEnd(foo2Space, " "));
|
||||
assertEquals(fooLeftDots, StringUtils.stripEnd(foo2Dots, "."));
|
||||
assertEquals(FOO, StringUtils.stripEnd(fooRightSpace, " "));
|
||||
assertEquals(FOO, StringUtils.stripEnd(fooRightDots, "."));
|
||||
assertEquals(fooLeftSpace, StringUtils.stripEnd(fooLeftSpace, " "));
|
||||
assertEquals(fooLeftDots, StringUtils.stripEnd(fooLeftDots, "."));
|
||||
|
||||
assertEquals(FOO, StringUtils.strip(". . . . ."+FOO+". . ", " ."));
|
||||
assertEquals("-."+FOO, StringUtils.strip(". . . . -."+FOO+". . ", " ."));
|
||||
assertEquals(FOO, StringUtils.strip(".. .."+FOO+".. ", " ."));
|
||||
assertEquals(FOO, StringUtils.strip(".. .."+FOO+".. ", "+= ."));
|
||||
assertEquals("", StringUtils.stripEnd(" ", " "));
|
||||
assertEquals(" abc", StringUtils.stripEnd(" abc ", " "));
|
||||
|
||||
// "ab" stripEnd
|
||||
assertEquals(null, StringUtils.stripEnd(null, "ab"));
|
||||
assertEquals("", StringUtils.stripEnd("", "ab"));
|
||||
assertEquals(" ", StringUtils.stripEnd(" ", "ab"));
|
||||
assertEquals(" abc ", StringUtils.stripEnd(" abc ", "ab"));
|
||||
assertEquals("abc", StringUtils.stripEnd("abcabab", "ab"));
|
||||
assertEquals(StringUtilsTest.WHITESPACE, StringUtils.stripEnd(StringUtilsTest.WHITESPACE, ""));
|
||||
}
|
||||
|
||||
public void testStripAll() {
|
||||
// test stripAll method, merely an array version of the above strip
|
||||
String[] empty = new String[0];
|
||||
String[] fooSpace = new String[] { foo2Space, fooLeftSpace, fooRightSpace };
|
||||
String[] fooDots = new String[] { foo2Dots, fooLeftDots, fooRightDots };
|
||||
String[] fooSpace = new String[] { " "+FOO+" ", " "+FOO, FOO+" " };
|
||||
String[] fooDots = new String[] { ".."+FOO+"..", ".."+FOO, FOO+".." };
|
||||
String[] foo = new String[] { FOO, FOO, FOO };
|
||||
|
||||
assertEquals(null, StringUtils.stripAll(null));
|
||||
|
|
|
|||
Loading…
Reference in New Issue