if ( a && b && a.length == b.length ) { 
if ( a && b && a.length != undefined && a.length == b.length ) { 
function isSet(a, b, msg) {	var ret = true;	if ( a && b && a.length == b.length ) {		for ( var i = 0; i < a.length; i++ )			if ( a[i] != b[i] )				ret = false;	} else		ret = false;	if ( !ret )		_config.Test.push( [ ret, msg + " expected: " + serialArray(b) + " result: " + serialArray(a) ] );	else 		_config.Test.push( [ ret, msg ] );}
6056	/local1/tlutelli/issta_data/temp/all_js/javascript/2007_temp/2007/6056/74a8e206231162b005d95b667343678f786ae272/testrunner.js/clean/build/test/data/testrunner.js