Code coverage report for queryString/setParam.js

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define(function () {
 
    /**
     * Set query string parameter value
     * @version 0.1.0 (2012/10/11)
     */
    function setParam(url, paramName, value){
        url = url || '';
 
        var re = new RegExp('(\\?|&)'+ paramName +'=[^&]*' );
        var param = paramName +'='+ encodeURIComponent( value );
 
        if ( re.test(url) ) {
            return url.replace(re, '$1'+ param);
        } else {
            if (url.indexOf('?') === -1) {
                url += '?';
            }
            if (url.indexOf('=') !== -1) {
                url += '&';
            }
            return url + param;
        }
 
    }
 
    return setParam;
 
});