Add tests data- and aria- attributes and the autofocus boolean attribute and...

Add tests data- and aria- attributes and the autofocus boolean attribute and some style updates in jQuery.attr

src/attributes.js

@@ -6,7 +6,7 @@ var rclass = /[\n\t\r]/g,
 	rtype = /^(?:button|input)$/i,
 	rfocusable = /^(?:button|input|object|select|textarea)$/i,
 	rclickable = /^a(?:rea)?$/i,
-	special = /^(?:data-|aria-)/,
+	rspecial = /^(?:data-|aria-)/,
 	formHook;
 
 jQuery.fn.extend({
@@ -312,7 +312,7 @@ jQuery.extend({
 
 		if ( value !== undefined ) {
 
-			if ( value === null || (value === false && !special.test( name )) ) {
+			if ( value === null || (value === false && !rspecial.test( name )) ) {
 				jQuery.removeAttr( elem, name );
 				return undefined;
 
@@ -320,9 +320,12 @@ jQuery.extend({
 				return ret;
 
 			} else {
-				if( value === true && !special.test( name ) ){
+
+				// Set boolean attributes to the same name
+				if ( value === true && !rspecial.test( name ) ) {
 					value = name;
 				}
+
 				elem.setAttribute( name, "" + value );
 				return value;
 			}

test/unit/attributes.js

@@ -177,7 +177,7 @@ test("attr(Hash)", function() {
 });
 
 test("attr(String, Object)", function() {
-	expect(30);
+	expect(35);
 
 	var div = jQuery("div").attr("foo", "bar"),
 		fail = false;
@@ -189,7 +189,7 @@ test("attr(String, Object)", function() {
 		}
 	}
 
-	equals( fail, false, "Set Attribute, the #"+fail+" element didn't get the attribute 'foo'" );
+	equals( fail, false, "Set Attribute, the #" + fail + " element didn't get the attribute 'foo'" );
 
 	// Fails on IE since recent changes to .attr()
 	// ok( jQuery("#foo").attr({"width": null}), "Try to set an attribute to nothing" );
@@ -213,7 +213,15 @@ test("attr(String, Object)", function() {
 	var $p = jQuery("#firstp").attr("nonexisting", "foo");
 	equals( $p.attr("nonexisting"), "foo", "attr(name, value) works correctly for non existing attributes (bug #7500).");
 	$p.removeAttr("nonexisting");
-	
+
+	var $text = jQuery("#text1").attr("autofocus", true);
+	equals( $text.attr("autofocus"), "autofocus", "Set boolean attributes to the same name");
+	equals( $text.attr("autofocus", false).attr("autofocus"), undefined, "Setting autofocus attribute to false removes it");
+	equals( $text.attr("data-something", true).data("something"), true, "Setting data attributes are not affected by boolean settings");
+	equals( $text.attr("data-another", false).data("another"), false, "Setting data attributes are not affected by boolean settings" );
+	equals( $text.attr("aria-disabled", false).attr("aria-disabled"), "false", "Setting aria attributes are not affected by boolean settings");
+	$text.removeData("something").removeData("another").removeAttr("aria-disabled");
+
 	var attributeNode = document.createAttribute("irrelevant"),
 		commentNode = document.createComment("some comment"),
 		textNode = document.createTextNode("some text");