remoting/common/borrowedtests/src/org/netbeans/modules/java/hints/TestUtilities.java

/*
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 * Copyright 1997-2007 Sun Microsystems, Inc. All rights reserved.
 *
 * The contents of this file are subject to the terms of either the GNU
 * General Public License Version 2 only ("GPL") or the Common
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package org.netbeans.modules.java.hints;

import junit.framework.Assert;

/**
 *
 * @author Jan Lahoda
 */
public class TestUtilities {

    private TestUtilities() {
    }

    public static String detectOffsets(String source, int[] positionOrSpan) {
        //for now, the position/span delimiter is '|', without possibility of escaping:
        String[] split = source.split("\\|");
        
        Assert.assertTrue("incorrect number of position markers (|)", positionOrSpan.length == split.length - 1);
        
        StringBuilder sb = new StringBuilder();
        int index = 0;
        int offset = 0;
        
        for (String s : split) {
            sb.append(s);
            if (index < positionOrSpan.length)
                positionOrSpan[index++] = (offset += s.length());
        }
        
        return sb.toString();
    }

}