QuotedStringTokenizerTest.java

// ========================================================================
// Copyright (c) 2004-2009 Mort Bay Consulting Pty. Ltd.
// ------------------------------------------------------------------------
// All rights reserved. This program and the accompanying materials
// are made available under the terms of the Eclipse Public License v1.0
// and Apache License v2.0 which accompanies this distribution.
// The Eclipse Public License is available at 
// http://www.eclipse.org/legal/epl-v10.html
// The Apache License v2.0 is available at
// http://www.opensource.org/licenses/apache2.0.php
// You may elect to redistribute this code under either of these licenses. 
// ========================================================================

package org.eclipse.jetty.util;

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

import org.junit.Test;


/**
 * 
 *
 */
public class QuotedStringTokenizerTest
{
    /*
     * Test for String nextToken()
     */
    @Test
    public void testTokenizer0()
    {
        QuotedStringTokenizer tok = 
            new QuotedStringTokenizer("abc\n\"d\\\"'\"\n'p\\',y'\nz");
        checkTok(tok,false,false);
    }

    /*
     * Test for String nextToken()
     */
    @Test
    public void testTokenizer1()
    {
        QuotedStringTokenizer tok = 
            new QuotedStringTokenizer("abc, \"d\\\"'\",'p\\',y' z", 
                                      " ,");
        checkTok(tok,false,false);
    }

    /*
     * Test for String nextToken()
     */
    @Test
    public void testTokenizer2()
    {
        QuotedStringTokenizer tok = 
            new QuotedStringTokenizer("abc, \"d\\\"'\",'p\\',y' z", " ,",
            false);
        checkTok(tok,false,false);
        
        tok = new QuotedStringTokenizer("abc, \"d\\\"'\",'p\\',y' z", " ,",
                                        true);
        checkTok(tok,true,false);
    }
    
    /*
     * Test for String nextToken()
     */
    @Test
    public void testTokenizer3()
    {
        QuotedStringTokenizer tok;
        
        tok = new QuotedStringTokenizer("abc, \"d\\\"'\",'p\\',y' z", " ,",
                                        false,false);
        checkTok(tok,false,false);
        
        tok = new QuotedStringTokenizer("abc, \"d\\\"'\",'p\\',y' z", " ,",
                                        false,true);
        checkTok(tok,false,true);
        
        tok = new QuotedStringTokenizer("abc, \"d\\\"'\",'p\\',y' z", " ,",
                                        true,false);
        checkTok(tok,true,false);
        
        tok = new QuotedStringTokenizer("abc, \"d\\\"'\",'p\\',y' z", " ,",
                                        true,true);
        checkTok(tok,true,true);
    }
    
    @Test
    public void testQuote()
    {
        StringBuffer buf = new StringBuffer();
        
        buf.setLength(0);
        QuotedStringTokenizer.quote(buf,"abc \n efg");
        assertEquals("\"abc \\n efg\"",buf.toString());

        buf.setLength(0);
        QuotedStringTokenizer.quote(buf,"abcefg");
        assertEquals("\"abcefg\"",buf.toString());
        
        buf.setLength(0);
        QuotedStringTokenizer.quote(buf,"abcefg\"");
        assertEquals("\"abcefg\\\"\"",buf.toString());
        
        buf.setLength(0);
        QuotedStringTokenizer.quoteIfNeeded(buf,"abc \n efg","\"\\\n\r\t\f\b%+ ;=");
        assertEquals("\"abc \\n efg\"",buf.toString());
        
        buf.setLength(0);
        QuotedStringTokenizer.quoteIfNeeded(buf,"abcefg","\"\\\n\r\t\f\b%+ ;=");
        assertEquals("abcefg",buf.toString());
        
    }

    /*
     * Test for String nextToken()
     */
    @Test
    public void testTokenizer4()
    {
        QuotedStringTokenizer tok = new QuotedStringTokenizer("abc'def,ghi'jkl",",");
        tok.setSingle(false);
        assertEquals("abc'def",tok.nextToken());
        assertEquals("ghi'jkl",tok.nextToken());
        tok = new QuotedStringTokenizer("abc'def,ghi'jkl",",");
        tok.setSingle(true);
        assertEquals("abcdef,ghijkl",tok.nextToken());
    }
    
    private void checkTok(QuotedStringTokenizer tok,boolean delim,boolean quotes)
    {
        assertTrue(tok.hasMoreElements());
        assertTrue(tok.hasMoreTokens());
        assertEquals("abc",tok.nextToken());
        if (delim)assertEquals(",",tok.nextToken());
        if (delim)assertEquals(" ",tok.nextToken());
            
        assertEquals(quotes?"\"d\\\"'\"":"d\"'",tok.nextElement());
        if (delim)assertEquals(",",tok.nextToken());
        assertEquals(quotes?"'p\\',y'":"p',y",tok.nextToken());
        if (delim)assertEquals(" ",tok.nextToken());
        assertEquals("z",tok.nextToken());
        assertFalse(tok.hasMoreTokens());
    }

    /*
     * Test for String quote(String, String)
     */
    @Test
    public void testQuoteIfNeeded()
    {
        assertEquals("abc",QuotedStringTokenizer.quoteIfNeeded("abc", " ,"));
        assertEquals("\"a c\"",QuotedStringTokenizer.quoteIfNeeded("a c", " ,"));
        assertEquals("\"a'c\"",QuotedStringTokenizer.quoteIfNeeded("a'c", " ,"));  
        assertEquals("\"a\\n\\r\\t\"",QuotedStringTokenizer.quote("a\n\r\t"));  
        assertEquals("\"\\u0000\\u001f\"",QuotedStringTokenizer.quote("\u0000\u001f")); 
    }

    @Test
    public void testUnquote()
    {
        assertEquals("abc",QuotedStringTokenizer.unquote("abc"));
        assertEquals("a\"c",QuotedStringTokenizer.unquote("\"a\\\"c\""));
        assertEquals("a'c",QuotedStringTokenizer.unquote("\"a'c\""));
        assertEquals("a\n\r\t",QuotedStringTokenizer.unquote("\"a\\n\\r\\t\""));
        assertEquals("\u0000\u001f ",QuotedStringTokenizer.unquote("\"\u0000\u001f\u0020\""));
        assertEquals("\u0000\u001f ",QuotedStringTokenizer.unquote("\"\u0000\u001f\u0020\""));
        assertEquals("ab\u001ec",QuotedStringTokenizer.unquote("ab\u001ec"));
        assertEquals("ab\u001ec",QuotedStringTokenizer.unquote("\"ab\u001ec\""));
    }

}