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Jetty example source code file (StringUtilTest.java)

This example Jetty source code file (StringUtilTest.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 - Jetty tags/keywords

def, exception, exception, now, string, string, stringbuffer, stringutiltest, testcase, utf-8, utf-8, utf8stringbuffer, utf8stringbuffer

The Jetty StringUtilTest.java source code

// ========================================================================
// Copyright 2004-2005 Mort Bay Consulting Pty. Ltd.
// ------------------------------------------------------------------------
// Licensed 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.mortbay.util;


import junit.framework.TestCase;

/**
 * @author gregw
 *
 */
public class StringUtilTest extends TestCase
{

    /**
     * Constructor for StringUtilTest.
     * @param arg0
     */
    public StringUtilTest(String arg0)
    {
        super(arg0);
    }

    /*
     * @see TestCase#setUp()
     */
    protected void setUp() throws Exception
    {
        super.setUp();
    }

    /*
     * @see TestCase#tearDown()
     */
    protected void tearDown() throws Exception
    {
        super.tearDown();
    }

    public void testAsciiToLowerCase()
    {
        String lc="\u0690bc def 1\u06903";
        assertEquals(StringUtil.asciiToLowerCase("\u0690Bc DeF 1\u06903"), lc);
        assertTrue(StringUtil.asciiToLowerCase(lc)==lc);
    }

    public void testStartsWithIgnoreCase()
    {
        
        assertTrue(StringUtil.startsWithIgnoreCase("\u0690b\u0690defg", "\u0690b\u0690"));
        assertTrue(StringUtil.startsWithIgnoreCase("\u0690bcdefg", "\u0690bc"));
        assertTrue(StringUtil.startsWithIgnoreCase("\u0690bcdefg", "\u0690Bc"));
        assertTrue(StringUtil.startsWithIgnoreCase("\u0690Bcdefg", "\u0690bc"));
        assertTrue(StringUtil.startsWithIgnoreCase("\u0690Bcdefg", "\u0690Bc"));
        assertTrue(StringUtil.startsWithIgnoreCase("\u0690bcdefg", ""));
        assertTrue(StringUtil.startsWithIgnoreCase("\u0690bcdefg", null));
        assertTrue(StringUtil.startsWithIgnoreCase("\u0690bcdefg", "\u0690bcdefg"));

        assertFalse(StringUtil.startsWithIgnoreCase(null, "xyz")); 
        assertFalse(StringUtil.startsWithIgnoreCase("\u0690bcdefg", "xyz"));
        assertFalse(StringUtil.startsWithIgnoreCase("\u0690", "xyz")); 
    }

    public void testEndsWithIgnoreCase()
    {
        assertTrue(StringUtil.endsWithIgnoreCase("\u0690bcd\u0690f\u0690", "\u0690f\u0690"));
        assertTrue(StringUtil.endsWithIgnoreCase("\u0690bcdefg", "efg"));
        assertTrue(StringUtil.endsWithIgnoreCase("\u0690bcdefg", "eFg"));
        assertTrue(StringUtil.endsWithIgnoreCase("\u0690bcdeFg", "efg"));
        assertTrue(StringUtil.endsWithIgnoreCase("\u0690bcdeFg", "eFg"));
        assertTrue(StringUtil.endsWithIgnoreCase("\u0690bcdefg", ""));
        assertTrue(StringUtil.endsWithIgnoreCase("\u0690bcdefg", null));
        assertTrue(StringUtil.endsWithIgnoreCase("\u0690bcdefg", "\u0690bcdefg"));

        assertFalse(StringUtil.endsWithIgnoreCase(null, "xyz")); 
        assertFalse(StringUtil.endsWithIgnoreCase("\u0690bcdefg", "xyz"));
        assertFalse(StringUtil.endsWithIgnoreCase("\u0690", "xyz"));  
    }

    public void testIndexFrom()
    {
        assertEquals(StringUtil.indexFrom("\u0690bcd", "xyz"),-1);
        assertEquals(StringUtil.indexFrom("\u0690bcd", "\u0690bcz"),0);
        assertEquals(StringUtil.indexFrom("\u0690bcd", "bcz"),1);
        assertEquals(StringUtil.indexFrom("\u0690bcd", "dxy"),3);
    }

    public void testReplace()
    {
        String s="\u0690bc \u0690bc \u0690bc";
        assertEquals(StringUtil.replace(s, "\u0690bc", "xyz"),"xyz xyz xyz");
        assertTrue(StringUtil.replace(s,"xyz","pqy")==s);
        
        s=" \u0690bc ";
        assertEquals(StringUtil.replace(s, "\u0690bc", "xyz")," xyz ");
        
    }

    public void testUnquote()
    {
        String uq =" not quoted ";
        assertTrue(StringUtil.unquote(uq)==uq);
        assertEquals(StringUtil.unquote("' quoted string '")," quoted string ");
        assertEquals(StringUtil.unquote("\" quoted string \"")," quoted string ");
        assertEquals(StringUtil.unquote("' quoted\"string '")," quoted\"string ");
        assertEquals(StringUtil.unquote("\" quoted'string \"")," quoted'string ");
    }


    public void testNonNull()
    {
        String nn="";
        assertTrue(nn==StringUtil.nonNull(nn));
        assertEquals("",StringUtil.nonNull(null));
    }

    /*
     * Test for boolean equals(String, char[], int, int)
     */
    public void testEqualsStringcharArrayintint()
    {
        assertTrue(StringUtil.equals("\u0690bc", new char[] {'x','\u0690','b','c','z'},1,3));
        assertFalse(StringUtil.equals("axc", new char[] {'x','a','b','c','z'},1,3));
    }

    public void testAppend()
    {
        StringBuffer buf = new StringBuffer();
        buf.append('a');
        StringUtil.append(buf, "abc", 1, 1);
        StringUtil.append(buf, (byte)12, 16);
        StringUtil.append(buf, (byte)16, 16);
        StringUtil.append(buf, (byte)-1, 16);
        StringUtil.append(buf, (byte)-16, 16);
        assertEquals("ab0c10fff0",buf.toString());
        
    }
    
    public static void main(String[] arg) throws Exception
    {
        String string = "Now \u0690xxxxxxxx";
        System.err.println(string);
        byte[] bytes=string.getBytes("UTF-8");
        System.err.println(new String(bytes));
        System.err.println(bytes.length);
        long calc=0;
        Utf8StringBuffer strbuf = new Utf8StringBuffer(bytes.length);
        for (int i=0;i<10;i++)
        {
            long s1=System.currentTimeMillis();
            for (int j=1000000; j-->0;)
            {
                calc+=new String(bytes,0,bytes.length,"UTF-8").hashCode();
            }
            long s2=System.currentTimeMillis();
            for (int j=1000000; j-->0;)
            {
                calc+=StringUtil.toUTF8String(bytes,0,bytes.length).hashCode();
            }
            long s3=System.currentTimeMillis();
            for (int j=1000000; j-->0;)
            {
                Utf8StringBuffer buffer = new Utf8StringBuffer(bytes.length);
                buffer.append(bytes,0,bytes.length);
                calc+=buffer.toString().hashCode();
            }
            long s4=System.currentTimeMillis();
            for (int j=1000000; j-->0;)
            {
                strbuf.reset();
                strbuf.append(bytes,0,bytes.length);
                calc+=strbuf.toString().hashCode();
            }
            long s5=System.currentTimeMillis();
            
            System.err.println((s2-s1)+", "+(s3-s2)+", "+(s4-s3)+", "+(s5-s4));
        }
        System.err.println(calc);
    }
}

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