Tabs: Use new has/lacksClasses assertions for all class checks

2 files changed, 44 insertions, 44 deletions

diff --git a/tests/unit/tabs/tabs_core.js b/tests/unit/tabs/tabs_core.js
index b003fa61e..881571f5d 100644
--- a/tests/unit/tabs/tabs_core.js
+++ b/tests/unit/tabs/tabs_core.js
@@ -38,12 +38,11 @@ $.each({
 	"multiple lists, ol first": "#tabs5",
 	"empty list": "#tabs6"
 }, function( type, selector ) {
-	test( "markup structure: " + type, function() {
+	test( "markup structure: " + type, function( assert ) {
 		expect( 2 );
 		var element = $( selector ).tabs();
-		ok( element.hasClass( "ui-tabs" ), "main element is .ui-tabs" );
-		ok( $( selector + "-list" ).hasClass( "ui-tabs-nav" ),
-			"list item is .ui-tabs-nav" );
+		assert.hasClasses( element, "ui-tabs" );
+		assert.hasClasses( $( selector + "-list" ), "ui-tabs-nav" );
 	});
 });
 
@@ -168,7 +167,7 @@ asyncTest( "accessibility - ajax", function( assert ) {
 	});
 });
 
-asyncTest( "keyboard support - LEFT, RIGHT, UP, DOWN, HOME, END, SPACE, ENTER", function() {
+asyncTest( "keyboard support - LEFT, RIGHT, UP, DOWN, HOME, END, SPACE, ENTER", function( assert ) {
 	expect( 92 );
 	var element = $( "#tabs1" ).tabs({
 			collapsible: true
@@ -184,13 +183,13 @@ asyncTest( "keyboard support - LEFT, RIGHT, UP, DOWN, HOME, END, SPACE, ENTER",
 
 	// down, right, down (wrap), up (wrap)
 	function step1() {
-		ok( tabs.eq( 0 ).is( ".ui-state-focus" ), "first tab has focus" );
+		assert.hasClasses( tabs.eq( 0 ), "ui-state-focus", "first tab has focus" );
 		equal( tabs.eq( 0 ).attr( "aria-selected" ), "true", "first tab has aria-selected=true" );
 		ok( panels.eq( 0 ).is( ":visible" ), "first panel is visible" );
 
 		tabs.eq( 0 ).simulate( "keydown", { keyCode: keyCode.DOWN } );
-		ok( tabs.eq( 1 ).is( ".ui-state-focus" ), "DOWN moves focus to next tab" );
-		ok( !tabs.eq( 0 ).is( ".ui-state-focus" ), "first tab is no longer focused" );
+		assert.hasClasses( tabs.eq( 1 ), "ui-state-focus", "DOWN moves focus to next tab" );
+		assert.lacksClasses( tabs.eq( 0 ), "ui-state-focus", "first tab is no longer focused" );
 		equal( tabs.eq( 1 ).attr( "aria-selected" ), "true", "second tab has aria-selected=true" );
 		equal( tabs.eq( 0 ).attr( "aria-selected" ), "false", "first tab has aria-selected=false" );
 		ok( panels.eq( 1 ).is( ":hidden" ), "second panel is still hidden" );
@@ -201,7 +200,7 @@ asyncTest( "keyboard support - LEFT, RIGHT, UP, DOWN, HOME, END, SPACE, ENTER",
 		equal( panels.eq( 0 ).attr( "aria-hidden" ), "false", "first panel has aria-hidden=false" );
 
 		tabs.eq( 1 ).simulate( "keydown", { keyCode: keyCode.RIGHT } );
-		ok( tabs.eq( 2 ).is( ".ui-state-focus" ), "RIGHT moves focus to next tab" );
+		assert.hasClasses( tabs.eq( 2 ), "ui-state-focus", "RIGHT moves focus to next tab" );
 		equal( tabs.eq( 2 ).attr( "aria-selected" ), "true", "third tab has aria-selected=true" );
 		equal( tabs.eq( 1 ).attr( "aria-selected" ), "false", "second tab has aria-selected=false" );
 		ok( panels.eq( 2 ).is( ":hidden" ), "third panel is still hidden" );
@@ -212,7 +211,7 @@ asyncTest( "keyboard support - LEFT, RIGHT, UP, DOWN, HOME, END, SPACE, ENTER",
 		equal( panels.eq( 0 ).attr( "aria-hidden" ), "false", "first panel has aria-hidden=false" );
 
 		tabs.eq( 2 ).simulate( "keydown", { keyCode: keyCode.DOWN } );
-		ok( tabs.eq( 0 ).is( ".ui-state-focus" ), "DOWN wraps focus to first tab" );
+		assert.hasClasses( tabs.eq( 0 ), "ui-state-focus", "DOWN wraps focus to first tab" );
 		equal( tabs.eq( 0 ).attr( "aria-selected" ), "true", "first tab has aria-selected=true" );
 		equal( tabs.eq( 2 ).attr( "aria-selected" ), "false", "third tab has aria-selected=false" );
 		ok( panels.eq( 0 ).is( ":visible" ), "first panel is still visible" );
@@ -220,7 +219,7 @@ asyncTest( "keyboard support - LEFT, RIGHT, UP, DOWN, HOME, END, SPACE, ENTER",
 		equal( panels.eq( 0 ).attr( "aria-hidden" ), "false", "first panel has aria-hidden=false" );
 
 		tabs.eq( 0 ).simulate( "keydown", { keyCode: keyCode.UP } );
-		ok( tabs.eq( 2 ).is( ".ui-state-focus" ), "UP wraps focus to last tab" );
+		assert.hasClasses( tabs.eq( 2 ), "ui-state-focus", "UP wraps focus to last tab" );
 		equal( tabs.eq( 2 ).attr( "aria-selected" ), "true", "third tab has aria-selected=true" );
 		equal( tabs.eq( 0 ).attr( "aria-selected" ), "false", "first tab has aria-selected=false" );
 		ok( panels.eq( 2 ).is( ":hidden" ), "third panel is still hidden" );
@@ -245,7 +244,7 @@ asyncTest( "keyboard support - LEFT, RIGHT, UP, DOWN, HOME, END, SPACE, ENTER",
 		equal( panels.eq( 0 ).attr( "aria-hidden" ), "true", "first panel has aria-hidden=true" );
 
 		tabs.eq( 2 ).simulate( "keydown", { keyCode: keyCode.LEFT } );
-		ok( tabs.eq( 1 ).is( ".ui-state-focus" ), "LEFT moves focus to previous tab" );
+		assert.hasClasses( tabs.eq( 1 ), "ui-state-focus", "LEFT moves focus to previous tab" );
 		equal( tabs.eq( 1 ).attr( "aria-selected" ), "true", "second tab has aria-selected=true" );
 		equal( tabs.eq( 2 ).attr( "aria-selected" ), "false", "third tab has aria-selected=false" );
 		ok( panels.eq( 1 ).is( ":hidden" ), "second panel is still hidden" );
@@ -256,7 +255,7 @@ asyncTest( "keyboard support - LEFT, RIGHT, UP, DOWN, HOME, END, SPACE, ENTER",
 		equal( panels.eq( 2 ).attr( "aria-hidden" ), "false", "third panel has aria-hidden=false" );
 
 		tabs.eq( 1 ).simulate( "keydown", { keyCode: keyCode.HOME } );
-		ok( tabs.eq( 0 ).is( ".ui-state-focus" ), "HOME moves focus to first tab" );
+		assert.hasClasses( tabs.eq( 0 ), "ui-state-focus", "HOME moves focus to first tab" );
 		equal( tabs.eq( 0 ).attr( "aria-selected" ), "true", "first tab has aria-selected=true" );
 		equal( tabs.eq( 1 ).attr( "aria-selected" ), "false", "second tab has aria-selected=false" );
 		ok( panels.eq( 0 ).is( ":hidden" ), "first panel is still hidden" );
@@ -283,7 +282,7 @@ asyncTest( "keyboard support - LEFT, RIGHT, UP, DOWN, HOME, END, SPACE, ENTER",
 		equal( panels.eq( 2 ).attr( "aria-hidden" ), "true", "third panel has aria-hidden=true" );
 
 		tabs.eq( 0 ).simulate( "keydown", { keyCode: keyCode.END } );
-		ok( tabs.eq( 2 ).is( ".ui-state-focus" ), "END moves focus to last tab" );
+		assert.hasClasses( tabs.eq( 2 ), "ui-state-focus", "END moves focus to last tab" );
 		equal( tabs.eq( 2 ).attr( "aria-selected" ), "true", "third tab has aria-selected=true" );
 		equal( tabs.eq( 0 ).attr( "aria-selected" ), "false", "first tab has aria-selected=false" );
 		ok( panels.eq( 2 ).is( ":hidden" ), "third panel is still hidden" );
@@ -326,7 +325,7 @@ $.each({
 	ctrl: "CTRL",
 	meta: "COMMAND"
 }, function( modifier, label ) {
-	asyncTest( "keyboard support - " + label + " navigation", function() {
+	asyncTest( "keyboard support - " + label + " navigation", function( assert ) {
 		expect( 115 );
 		var element = $( "#tabs1" ).tabs(),
 			tabs = element.find( ".ui-tabs-nav li" ),
@@ -343,13 +342,13 @@ $.each({
 			var eventProperties = { keyCode: keyCode.DOWN };
 			eventProperties[ modifier + "Key" ] = true;
 
-			ok( tabs.eq( 0 ).is( ".ui-state-focus" ), "first tab has focus" );
+			assert.hasClasses( tabs.eq( 0 ), "ui-state-focus", "first tab has focus" );
 			equal( tabs.eq( 0 ).attr( "aria-selected" ), "true", "first tab has aria-selected=true" );
 			ok( panels.eq( 0 ).is( ":visible" ), "first panel is visible" );
 
 			tabs.eq( 0 ).simulate( "keydown", eventProperties );
-			ok( tabs.eq( 1 ).is( ".ui-state-focus" ), "DOWN moves focus to next tab" );
-			ok( !tabs.eq( 0 ).is( ".ui-state-focus" ), "first tab is no longer focused" );
+			assert.hasClasses( tabs.eq( 1 ), "ui-state-focus", "DOWN moves focus to next tab" );
+			assert.lacksClasses( tabs.eq( 0 ), ".ui-state-focus", "first tab is no longer focused" );
 			equal( tabs.eq( 1 ).attr( "aria-selected" ), "false", "second tab has aria-selected=false" );
 			equal( tabs.eq( 0 ).attr( "aria-selected" ), "true", "first tab has aria-selected=true" );
 			ok( panels.eq( 1 ).is( ":hidden" ), "second panel is still hidden" );
@@ -376,7 +375,7 @@ $.each({
 			equal( panels.eq( 1 ).attr( "aria-hidden" ), "true", "second panel has aria-hidden=true" );
 
 			tabs.eq( 1 ).simulate( "keydown", eventProperties );
-			ok( tabs.eq( 2 ).is( ".ui-state-focus" ), "RIGHT moves focus to next tab" );
+			assert.hasClasses( tabs.eq( 2 ), "ui-state-focus", "RIGHT moves focus to next tab" );
 			equal( tabs.eq( 2 ).attr( "aria-selected" ), "false", "third tab has aria-selected=false" );
 			equal( tabs.eq( 0 ).attr( "aria-selected" ), "true", "first tab has aria-selected=true" );
 			ok( panels.eq( 2 ).is( ":hidden" ), "third panel is still hidden" );
@@ -403,7 +402,7 @@ $.each({
 			equal( panels.eq( 2 ).attr( "aria-hidden" ), "true", "third panel has aria-hidden=true" );
 
 			tabs.eq( 2 ).simulate( "keydown", eventProperties );
-			ok( tabs.eq( 0 ).is( ".ui-state-focus" ), "DOWN wraps focus to first tab" );
+			assert.hasClasses( tabs.eq( 0 ), "ui-state-focus", "DOWN wraps focus to first tab" );
 			equal( tabs.eq( 0 ).attr( "aria-selected" ), "true", "first tab has aria-selected=true" );
 			ok( panels.eq( 0 ).is( ":visible" ), "first panel is still visible" );
 			equal( tabs.eq( 0 ).attr( "aria-expanded" ), "true", "first tab has aria-expanded=true" );
@@ -423,7 +422,7 @@ $.each({
 			equal( panels.eq( 0 ).attr( "aria-hidden" ), "false", "first panel has aria-hidden=false" );
 
 			tabs.eq( 0 ).simulate( "keydown", eventProperties );
-			ok( tabs.eq( 2 ).is( ".ui-state-focus" ), "UP wraps focus to last tab" );
+			assert.hasClasses( tabs.eq( 2 ), "ui-state-focus", "UP wraps focus to last tab" );
 			equal( tabs.eq( 2 ).attr( "aria-selected" ), "false", "third tab has aria-selected=false" );
 			equal( tabs.eq( 0 ).attr( "aria-selected" ), "true", "first tab has aria-selected=true" );
 			ok( panels.eq( 2 ).is( ":hidden" ), "third panel is still hidden" );
@@ -450,7 +449,7 @@ $.each({
 			equal( panels.eq( 2 ).attr( "aria-hidden" ), "true", "third panel has aria-hidden=true" );
 
 			tabs.eq( 2 ).simulate( "keydown", eventProperties );
-			ok( tabs.eq( 1 ).is( ".ui-state-focus" ), "LEFT moves focus to previous tab" );
+			assert.hasClasses( tabs.eq( 1 ), "ui-state-focus", "LEFT moves focus to previous tab" );
 			equal( tabs.eq( 1 ).attr( "aria-selected" ), "false", "second tab has aria-selected=false" );
 			equal( tabs.eq( 0 ).attr( "aria-selected" ), "true", "first tab has aria-selected=true" );
 			ok( panels.eq( 1 ).is( ":hidden" ), "second panel is still hidden" );
@@ -477,7 +476,7 @@ $.each({
 			equal( panels.eq( 1 ).attr( "aria-hidden" ), "true", "second panel has aria-hidden=true" );
 
 			tabs.eq( 1 ).simulate( "keydown", eventProperties );
-			ok( tabs.eq( 0 ).is( ".ui-state-focus" ), "HOME moves focus to first tab" );
+			assert.hasClasses( tabs.eq( 0 ), "ui-state-focus", "HOME moves focus to first tab" );
 			equal( tabs.eq( 0 ).attr( "aria-selected" ), "true", "first tab has aria-selected=true" );
 			equal( tabs.eq( 1 ).attr( "aria-selected" ), "false", "second tab has aria-selected=false" );
 			ok( panels.eq( 1 ).is( ":hidden" ), "second panel is still hidden" );
@@ -501,7 +500,7 @@ $.each({
 			equal( panels.eq( 0 ).attr( "aria-hidden" ), "false", "first panel has aria-hidden=false" );
 
 			tabs.eq( 0 ).simulate( "keydown", eventProperties );
-			ok( tabs.eq( 2 ).is( ".ui-state-focus" ), "END moves focus to last tab" );
+			assert.hasClasses( tabs.eq( 2 ), "ui-state-focus", "END moves focus to last tab" );
 			equal( tabs.eq( 2 ).attr( "aria-selected" ), "false", "third tab has aria-selected=false" );
 			equal( tabs.eq( 0 ).attr( "aria-selected" ), "true", "first tab has aria-selected=true" );
 			ok( panels.eq( 2 ).is( ":hidden" ), "third panel is still hidden" );
@@ -541,7 +540,7 @@ $.each({
 	});
 });
 
-asyncTest( "keyboard support - CTRL+UP, ALT+PAGE_DOWN, ALT+PAGE_UP", function() {
+asyncTest( "keyboard support - CTRL+UP, ALT+PAGE_DOWN, ALT+PAGE_UP", function( assert ) {
 	expect( 50 );
 	var element = $( "#tabs1" ).tabs(),
 		tabs = element.find( ".ui-tabs-nav li" ),
@@ -557,7 +556,7 @@ asyncTest( "keyboard support - CTRL+UP, ALT+PAGE_DOWN, ALT+PAGE_UP", function()
 
 		panels.eq( 0 ).simulate( "keydown", { keyCode: keyCode.PAGE_DOWN, altKey: true } );
 		strictEqual( document.activeElement, tabs[ 1 ], "second tab is activeElement" );
-		ok( tabs.eq( 1 ).is( ".ui-state-focus" ), "ALT+PAGE_DOWN moves focus to next tab" );
+		assert.hasClasses( tabs.eq( 1 ), "ui-state-focus", "ALT+PAGE_DOWN moves focus to next tab" );
 		equal( tabs.eq( 1 ).attr( "aria-selected" ), "true", "second tab has aria-selected=true" );
 		ok( panels.eq( 1 ).is( ":visible" ), "second panel is visible" );
 		equal( tabs.eq( 1 ).attr( "aria-expanded" ), "true", "second tab has aria-expanded=true" );
@@ -568,7 +567,7 @@ asyncTest( "keyboard support - CTRL+UP, ALT+PAGE_DOWN, ALT+PAGE_UP", function()
 
 		tabs.eq( 1 ).simulate( "keydown", { keyCode: keyCode.PAGE_DOWN, altKey: true } );
 		strictEqual( document.activeElement, tabs[ 2 ], "third tab is activeElement" );
-		ok( tabs.eq( 2 ).is( ".ui-state-focus" ), "ALT+PAGE_DOWN moves focus to next tab" );
+		assert.hasClasses( tabs.eq( 2 ), "ui-state-focus", "ALT+PAGE_DOWN moves focus to next tab" );
 		equal( tabs.eq( 2 ).attr( "aria-selected" ), "true", "third tab has aria-selected=true" );
 		ok( panels.eq( 2 ).is( ":visible" ), "third panel is visible" );
 		equal( tabs.eq( 2 ).attr( "aria-expanded" ), "true", "third tab has aria-expanded=true" );
@@ -579,7 +578,7 @@ asyncTest( "keyboard support - CTRL+UP, ALT+PAGE_DOWN, ALT+PAGE_UP", function()
 
 		tabs.eq( 2 ).simulate( "keydown", { keyCode: keyCode.PAGE_DOWN, altKey: true } );
 		strictEqual( document.activeElement, tabs[ 0 ], "first tab is activeElement" );
-		ok( tabs.eq( 0 ).is( ".ui-state-focus" ), "ALT+PAGE_DOWN wraps focus to first tab" );
+		assert.hasClasses( tabs.eq( 0 ), "ui-state-focus", "ALT+PAGE_DOWN wraps focus to first tab" );
 		equal( tabs.eq( 0 ).attr( "aria-selected" ), "true", "first tab has aria-selected=true" );
 		ok( panels.eq( 0 ).is( ":visible" ), "first panel is visible" );
 		equal( tabs.eq( 0 ).attr( "aria-expanded" ), "true", "first tab has aria-expanded=true" );
@@ -597,7 +596,7 @@ asyncTest( "keyboard support - CTRL+UP, ALT+PAGE_DOWN, ALT+PAGE_UP", function()
 
 		panels.eq( 0 ).simulate( "keydown", { keyCode: keyCode.PAGE_UP, altKey: true } );
 		strictEqual( document.activeElement, tabs[ 2 ], "third tab is activeElement" );
-		ok( tabs.eq( 2 ).is( ".ui-state-focus" ), "ALT+PAGE_UP wraps focus to last tab" );
+		assert.hasClasses( tabs.eq( 2 ), "ui-state-focus", "ALT+PAGE_UP wraps focus to last tab" );
 		equal( tabs.eq( 2 ).attr( "aria-selected" ), "true", "third tab has aria-selected=true" );
 		ok( panels.eq( 2 ).is( ":visible" ), "third panel is visible" );
 		equal( tabs.eq( 2 ).attr( "aria-expanded" ), "true", "third tab has aria-expanded=true" );
@@ -608,7 +607,7 @@ asyncTest( "keyboard support - CTRL+UP, ALT+PAGE_DOWN, ALT+PAGE_UP", function()
 
 		tabs.eq( 2 ).simulate( "keydown", { keyCode: keyCode.PAGE_UP, altKey: true } );
 		strictEqual( document.activeElement, tabs[ 1 ], "second tab is activeElement" );
-		ok( tabs.eq( 1 ).is( ".ui-state-focus" ), "ALT+PAGE_UP moves focus to previous tab" );
+		assert.hasClasses( tabs.eq( 1 ), "ui-state-focus", "ALT+PAGE_UP moves focus to previous tab" );
 		equal( tabs.eq( 1 ).attr( "aria-selected" ), "true", "second tab has aria-selected=true" );
 		ok( panels.eq( 1 ).is( ":visible" ), "second panel is visible" );
 		equal( tabs.eq( 1 ).attr( "aria-expanded" ), "true", "second tab has aria-expanded=true" );
diff --git a/tests/unit/tabs/tabs_options.js b/tests/unit/tabs/tabs_options.js
index 3983721d5..572ce3c20 100644
--- a/tests/unit/tabs/tabs_options.js
+++ b/tests/unit/tabs/tabs_options.js
@@ -107,15 +107,14 @@ test( "active - mismatched tab/panel order", function() {
 	location.hash = "#";
 });
 
-test( "collapsible", function() {
+test( "collapsible", function( assert ) {
 	expect( 13 );
 
 	var element = $( "#tabs1" ).tabs({
 		active: 1,
 		collapsible: true
 	});
-	ok( element.hasClass( "ui-tabs-collapsible" ), "main element is .ui-tabs-collapsible" );
-
+	assert.hasClasses( element, "ui-tabs-collapsible" );
 	element.tabs( "option", "active", false );
 	equal( element.tabs( "option", "active" ), false );
 	state( element, 0, 0, 0 );
@@ -129,10 +128,11 @@ test( "collapsible", function() {
 	state( element, 0, 0, 0 );
 
 	element.tabs( "option", "collapsible", false );
-	ok( !element.hasClass( "ui-tabs-collapsible" ), "main element is not .ui-tabs-collapsible" );
+	assert.lacksClasses( element, "ui-tabs-collapsible" );
 
 	element.tabs( "option", "collapsible", true );
-	ok( element.hasClass( "ui-tabs-collapsible" ), "main element is .ui-tabs-collapsible" );
+
+	assert.hasClasses( element, "ui-tabs-collapsible" );
 
 	element.tabs({
 		active: 1,
@@ -145,9 +145,10 @@ test( "collapsible", function() {
 	element.find( ".ui-state-active .ui-tabs-anchor" ).eq( 1 ).click();
 	equal( element.tabs( "option", "active" ), 1 );
 	state( element, 0, 1, 0 );
+
 });
 
-test( "disabled", function() {
+test( "disabled", function( assert ) {
 	expect( 23 );
 
 	// fully enabled by default
@@ -155,32 +156,32 @@ test( "disabled", function() {
 		element = $( "#tabs1" ).tabs();
 	disabled( element, false );
 
-	ok( !element.tabs( "widget" ).hasClass( "ui-state-disabled" ), "after: wrapper doesn't have ui-state-disabled class" );
-	ok( !element.tabs( "widget" ).hasClass( "ui-tabs-disabled" ), "after: wrapper doesn't have ui-tabs-disabled class" );
+	assert.lacksClasses( element.tabs( "widget" ), "ui-state-disabled" );
+	assert.lacksClasses( element.tabs( "widget" ), "ui-tabs-disabled" );
 	ok( !element.tabs( "widget" ).attr( "aria-disabled" ), "after: wrapper doesn't have aria-disabled attr" );
 
 	// disable single tab
 	element.tabs( "option", "disabled", [ 1 ] );
 	disabled( element, [ 1 ] );
 
-	ok( !element.tabs( "widget" ).hasClass( "ui-state-disabled" ), "after: wrapper doesn't have ui-state-disabled class" );
-	ok( !element.tabs( "widget" ).hasClass( "ui-tabs-disabled" ), "after: wrapper doesn't have ui-tabs-disabled class" );
+	assert.lacksClasses( element.tabs( "widget" ), "ui-state-disabled" );
+	assert.lacksClasses( element.tabs( "widget" ), "ui-tabs-disabled" );
 	ok( !element.tabs( "widget" ).attr( "aria-disabled" ), "after: wrapper doesn't have aria-disabled attr" );
 
 	// disabled active tab
 	element.tabs( "option", "disabled", [ 0, 1 ] );
 	disabled( element, [ 0, 1 ] );
 
-	ok( !element.tabs( "widget" ).hasClass( "ui-state-disabled" ), "after: wrapper doesn't have ui-state-disabled class" );
-	ok( !element.tabs( "widget" ).hasClass( "ui-tabs-disabled" ), "after: wrapper doesn't have ui-tabs-disabled class" );
+	assert.lacksClasses( element.tabs( "widget" ), "ui-state-disabled" );
+	assert.lacksClasses( element.tabs( "widget" ), "ui-tabs-disabled" );
 	ok( !element.tabs( "widget" ).attr( "aria-disabled" ), "after: wrapper doesn't have aria-disabled attr" );
 
 	// disable all tabs
 	element.tabs( "option", "disabled", [ 0, 1, 2 ] );
 	disabled( element, true );
 
-	ok( !element.tabs( "widget" ).hasClass( "ui-state-disabled" ), "after: wrapper doesn't have ui-state-disabled class" );
-	ok( !element.tabs( "widget" ).hasClass( "ui-tabs-disabled" ), "after: wrapper doesn't have ui-tabs-disabled class" );
+	assert.lacksClasses( element.tabs( "widget" ), "ui-state-disabled" );
+	assert.lacksClasses( element.tabs( "widget" ), "ui-tabs-disabled" );
 	ok( !element.tabs( "widget" ).attr( "aria-disabled" ), "after: wrapper doesn't have aria-disabled attr" );
 
 	event = $.Event( "click" );