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( function( QUnit ) {
function inArray( haystack, needle ) {
for ( var i = 0; i < haystack.length; i++ ) {
if ( haystack[ i ] === needle ) {
return true;
}
}
return false;
}
function check( element, classes, stateVal, message ) {
var i, result, classAttribute, elementClassArray,
classArray = classes.split( " " ),
missing = [],
found = [];
if ( element.jquery && element.length !== 1 ) {
throw( "Class checks can only be performed on a single element on a collection" );
}
element = element.jquery ? element[ 0 ] : element;
classAttribute = element.getAttribute( "class" );
message = message || "Element must " + ( stateVal? "" : "not " ) + "have classes";
if ( classAttribute ) {
elementClassArray = classAttribute.split( " " );
for( i = 0; i < classArray.length; i++ ) {
if ( !inArray( elementClassArray, classArray[ i ] ) ) {
missing.push( classArray[ i ] );
} else {
found.push( classArray[ i ] );
}
}
} else {
missing = classArray;
}
result = stateVal ? !missing.length : !found.length;
QUnit.push( result, classes, result ? classes : found.join( " " ), message );
}
QUnit.extend( QUnit.assert, {
hasClasses: function( element, classes, message ) {
check( element, classes, true, message );
},
lacksClasses: function( element, classes, message ) {
check( element, classes, false, message );
}
});
})( QUnit );
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