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Ant example source code file (StringUtilsTest.java)

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

Java - Ant tags/keywords

gigabyte, kilobyte, kilobyte, megabyte, megabyte, petabyte, string, string, stringbuffer, stringbuffer, stringutilstest, terabyte, testcase, util, vector

The StringUtilsTest.java 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.tools.ant.util;

import java.util.Vector;

import junit.framework.TestCase;

/**
 * Test for StringUtils
 */
public class StringUtilsTest extends TestCase {
    public StringUtilsTest(String s) {
        super(s);
    }

    public void testSplit(){
        final String data = "a,b,,";
        Vector res = StringUtils.split(data, ',');
        assertEquals(4, res.size());
        assertEquals("a", res.elementAt(0));
        assertEquals("b", res.elementAt(1));
        assertEquals("", res.elementAt(2));
        assertEquals("", res.elementAt(3));
    }

    public void testSplitLines(){
        final String data = "a\r\nb\nc\nd\ne";
        Vector res = StringUtils.lineSplit(data);
        assertEquals(5, res.size());
        assertEquals("a\r", res.elementAt(0));
        assertEquals("b", res.elementAt(1));
        assertEquals("c", res.elementAt(2));
        assertEquals("d", res.elementAt(3));
        assertEquals("e", res.elementAt(4));
    }

    public void testReplace() {
        final String data = "abcabcabca";
        String res = StringUtils.replace(data, "a", "");
        assertEquals("bcbcbc", res);
    }

    public void testEndsWithBothEmpty() {
        assertTrue( StringUtils.endsWith( new StringBuffer(), "") );
    }

    public void testEndsWithEmptyString() {
        assertTrue( StringUtils.endsWith( new StringBuffer("12234545"), "") );
    }

    public void testEndsWithShorterString() {
        assertTrue( StringUtils.endsWith( new StringBuffer("12345678"), "78"));
    }

    public void testEndsWithSameString() {
        assertTrue( StringUtils.endsWith( new StringBuffer("123"), "123"));
    }

    public void testEndsWithLongerString() {
        assertFalse( StringUtils.endsWith( new StringBuffer("12"), "1245"));
    }

    public void testEndsWithNoMatch() {
        assertFalse( StringUtils.endsWith( new StringBuffer("12345678"), "789"));
    }

    public void testEndsWithEmptyBuffer() {
        assertFalse( StringUtils.endsWith( new StringBuffer(""), "12345667") );
    }

    public void testEndsWithJDKPerf() {
        StringBuffer buf = getFilledBuffer(1024*300, 'a');
        for (int i = 0; i < 1000; i++) {
            assertTrue(buf.toString().endsWith("aa"));
        }
    }

    public void testEndsWithPerf() {
        StringBuffer buf = getFilledBuffer(1024*300, 'a');
        for (int i = 0; i < 1000; i++) {
            assertTrue(StringUtils.endsWith(buf, "aa"));
        }
    }

    private StringBuffer getFilledBuffer(int size, char ch) {
        StringBuffer buf = new StringBuffer(size);
        for (int i = 0; i < size; i++) { buf.append(ch); };
        return buf;
    }
    
    public void testParseHumanSizes() throws Exception {
    	final long KILOBYTE = 1024;
    	final long MEGABYTE = KILOBYTE * 1024;
    	final long GIGABYTE = MEGABYTE * 1024;
    	final long TERABYTE = GIGABYTE * 1024;
    	final long PETABYTE = TERABYTE * 1024;
    	assertEquals(StringUtils.parseHumanSizes("1K"), KILOBYTE);
    	assertEquals(StringUtils.parseHumanSizes("1M"), MEGABYTE);
    	assertEquals(StringUtils.parseHumanSizes("1G"), GIGABYTE);
    	assertEquals(StringUtils.parseHumanSizes("1T"), TERABYTE);
    	assertEquals(StringUtils.parseHumanSizes("1P"), PETABYTE);
    	assertEquals(StringUtils.parseHumanSizes("1"), 1L);
    }
}

Other Ant examples (source code examples)

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