1 files changed, 47 insertions, 0 deletions
diff --git a/external/qunit-assert-classes/qunit-assert-classes.js b/external/qunit-assert-classes/qunit-assert-classes.js
new file mode 100644
index 000000000..f61046bc8
--- /dev/null
+++ b/external/qunit-assert-classes/qunit-assert-classes.js
@@ -0,0 +1,47 @@
+( 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 );
+\ No newline at end of file