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Java example source code file (StringUtilsIsTest.java)

This example Java source code file (StringUtilsIsTest.java) is included in the alvinalexander.com "Java Source Code Warehouse" project. The intent of this project is to help you "Learn Java by Example" TM.

Learn more about this Java project at its project page.

Java - Java tags/keywords

ceki, g?lc, g\u00fclc\u00fc, stringutilsistest, test

The StringUtilsIsTest.java Java example source code

/*
 * 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;

import static org.junit.Assert.assertFalse;
import static org.junit.Assert.assertTrue;

import org.junit.Test;

/**
 * Unit tests {@link org.apache.commons.lang3.StringUtils} - Substring methods
 */
public class StringUtilsIsTest  {

    //-----------------------------------------------------------------------

    @Test
    public void testIsAlpha() {
        assertFalse(StringUtils.isAlpha(null));
        assertFalse(StringUtils.isAlpha(""));
        assertFalse(StringUtils.isAlpha(" "));
        assertTrue(StringUtils.isAlpha("a"));
        assertTrue(StringUtils.isAlpha("A"));
        assertTrue(StringUtils.isAlpha("kgKgKgKgkgkGkjkjlJlOKLgHdGdHgl"));
        assertFalse(StringUtils.isAlpha("ham kso"));
        assertFalse(StringUtils.isAlpha("1"));
        assertFalse(StringUtils.isAlpha("hkHKHik6iUGHKJgU7tUJgKJGI87GIkug"));
        assertFalse(StringUtils.isAlpha("_"));
        assertFalse(StringUtils.isAlpha("hkHKHik*khbkuh"));
    }

    @Test
    public void testIsAlphanumeric() {
        assertFalse(StringUtils.isAlphanumeric(null));
        assertFalse(StringUtils.isAlphanumeric(""));
        assertFalse(StringUtils.isAlphanumeric(" "));
        assertTrue(StringUtils.isAlphanumeric("a"));
        assertTrue(StringUtils.isAlphanumeric("A"));
        assertTrue(StringUtils.isAlphanumeric("kgKgKgKgkgkGkjkjlJlOKLgHdGdHgl"));
        assertFalse(StringUtils.isAlphanumeric("ham kso"));
        assertTrue(StringUtils.isAlphanumeric("1"));
        assertTrue(StringUtils.isAlphanumeric("hkHKHik6iUGHKJgU7tUJgKJGI87GIkug"));
        assertFalse(StringUtils.isAlphanumeric("_"));
        assertFalse(StringUtils.isAlphanumeric("hkHKHik*khbkuh"));
    }

    @Test
    public void testIsWhitespace() {
        assertFalse(StringUtils.isWhitespace(null));
        assertTrue(StringUtils.isWhitespace(""));
        assertTrue(StringUtils.isWhitespace(" "));
        assertTrue(StringUtils.isWhitespace("\t \n \t"));
        assertFalse(StringUtils.isWhitespace("\t aa\n \t"));
        assertTrue(StringUtils.isWhitespace(" "));
        assertFalse(StringUtils.isWhitespace(" a "));
        assertFalse(StringUtils.isWhitespace("a  "));
        assertFalse(StringUtils.isWhitespace("  a"));
        assertFalse(StringUtils.isWhitespace("aba"));
        assertTrue(StringUtils.isWhitespace(StringUtilsTest.WHITESPACE));
        assertFalse(StringUtils.isWhitespace(StringUtilsTest.NON_WHITESPACE));
    }

    @Test
    public void testIsAlphaspace() {
        assertFalse(StringUtils.isAlphaSpace(null));
        assertTrue(StringUtils.isAlphaSpace(""));
        assertTrue(StringUtils.isAlphaSpace(" "));
        assertTrue(StringUtils.isAlphaSpace("a"));
        assertTrue(StringUtils.isAlphaSpace("A"));
        assertTrue(StringUtils.isAlphaSpace("kgKgKgKgkgkGkjkjlJlOKLgHdGdHgl"));
        assertTrue(StringUtils.isAlphaSpace("ham kso"));
        assertFalse(StringUtils.isAlphaSpace("1"));
        assertFalse(StringUtils.isAlphaSpace("hkHKHik6iUGHKJgU7tUJgKJGI87GIkug"));
        assertFalse(StringUtils.isAlphaSpace("_"));
        assertFalse(StringUtils.isAlphaSpace("hkHKHik*khbkuh"));
    }

    @Test
    public void testIsAlphanumericSpace() {
        assertFalse(StringUtils.isAlphanumericSpace(null));
        assertTrue(StringUtils.isAlphanumericSpace(""));
        assertTrue(StringUtils.isAlphanumericSpace(" "));
        assertTrue(StringUtils.isAlphanumericSpace("a"));
        assertTrue(StringUtils.isAlphanumericSpace("A"));
        assertTrue(StringUtils.isAlphanumericSpace("kgKgKgKgkgkGkjkjlJlOKLgHdGdHgl"));
        assertTrue(StringUtils.isAlphanumericSpace("ham kso"));
        assertTrue(StringUtils.isAlphanumericSpace("1"));
        assertTrue(StringUtils.isAlphanumericSpace("hkHKHik6iUGHKJgU7tUJgKJGI87GIkug"));
        assertFalse(StringUtils.isAlphanumericSpace("_"));
        assertFalse(StringUtils.isAlphanumericSpace("hkHKHik*khbkuh"));
    }

    @Test
    public void testIsAsciiPrintable_String() {
        assertFalse(StringUtils.isAsciiPrintable(null));
        assertTrue(StringUtils.isAsciiPrintable(""));
        assertTrue(StringUtils.isAsciiPrintable(" "));
        assertTrue(StringUtils.isAsciiPrintable("a"));
        assertTrue(StringUtils.isAsciiPrintable("A"));
        assertTrue(StringUtils.isAsciiPrintable("1"));
        assertTrue(StringUtils.isAsciiPrintable("Ceki"));
        assertTrue(StringUtils.isAsciiPrintable("!ab2c~"));
        assertTrue(StringUtils.isAsciiPrintable("1000"));
        assertTrue(StringUtils.isAsciiPrintable("10 00"));
        assertFalse(StringUtils.isAsciiPrintable("10\t00"));
        assertTrue(StringUtils.isAsciiPrintable("10.00"));
        assertTrue(StringUtils.isAsciiPrintable("10,00"));
        assertTrue(StringUtils.isAsciiPrintable("!ab-c~"));
        assertTrue(StringUtils.isAsciiPrintable("hkHK=Hik6i?UGH_KJgU7.tUJgKJ*GI87GI,kug"));
        assertTrue(StringUtils.isAsciiPrintable("\u0020"));
        assertTrue(StringUtils.isAsciiPrintable("\u0021"));
        assertTrue(StringUtils.isAsciiPrintable("\u007e"));
        assertFalse(StringUtils.isAsciiPrintable("\u007f"));
        assertTrue(StringUtils.isAsciiPrintable("G?lc?"));
        assertTrue(StringUtils.isAsciiPrintable("=?iso-8859-1?Q?G=FClc=FC?="));
        assertFalse(StringUtils.isAsciiPrintable("G\u00fclc\u00fc"));
    }
  
    @Test
    public void testIsNumeric() {
        assertFalse(StringUtils.isNumeric(null));
        assertFalse(StringUtils.isNumeric(""));
        assertFalse(StringUtils.isNumeric(" "));
        assertFalse(StringUtils.isNumeric("a"));
        assertFalse(StringUtils.isNumeric("A"));
        assertFalse(StringUtils.isNumeric("kgKgKgKgkgkGkjkjlJlOKLgHdGdHgl"));
        assertFalse(StringUtils.isNumeric("ham kso"));
        assertTrue(StringUtils.isNumeric("1"));
        assertTrue(StringUtils.isNumeric("1000"));
        assertTrue(StringUtils.isNumeric("\u0967\u0968\u0969"));
        assertFalse(StringUtils.isNumeric("\u0967\u0968 \u0969"));
        assertFalse(StringUtils.isNumeric("2.3"));
        assertFalse(StringUtils.isNumeric("10 00"));
        assertFalse(StringUtils.isNumeric("hkHKHik6iUGHKJgU7tUJgKJGI87GIkug"));
        assertFalse(StringUtils.isNumeric("_"));
        assertFalse(StringUtils.isNumeric("hkHKHik*khbkuh"));
        assertFalse(StringUtils.isNumeric("+123"));
        assertFalse(StringUtils.isNumeric("-123"));
    }

    @Test
    public void testIsNumericSpace() {
        assertFalse(StringUtils.isNumericSpace(null));
        assertTrue(StringUtils.isNumericSpace(""));
        assertTrue(StringUtils.isNumericSpace(" "));
        assertFalse(StringUtils.isNumericSpace("a"));
        assertFalse(StringUtils.isNumericSpace("A"));
        assertFalse(StringUtils.isNumericSpace("kgKgKgKgkgkGkjkjlJlOKLgHdGdHgl"));
        assertFalse(StringUtils.isNumericSpace("ham kso"));
        assertTrue(StringUtils.isNumericSpace("1"));
        assertTrue(StringUtils.isNumericSpace("1000"));
        assertFalse(StringUtils.isNumericSpace("2.3"));
        assertTrue(StringUtils.isNumericSpace("10 00"));
        assertTrue(StringUtils.isNumericSpace("\u0967\u0968\u0969"));
        assertTrue(StringUtils.isNumericSpace("\u0967\u0968 \u0969"));
        assertFalse(StringUtils.isNumericSpace("hkHKHik6iUGHKJgU7tUJgKJGI87GIkug"));
        assertFalse(StringUtils.isNumericSpace("_"));
        assertFalse(StringUtils.isNumericSpace("hkHKHik*khbkuh"));
    }

}

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