3 files changed, 18 insertions, 1 deletions
diff --git a/tests/unit/slider/slider.html b/tests/unit/slider/slider.html
index 0142b5e6b..38520c073 100644
--- a/tests/unit/slider/slider.html
+++ b/tests/unit/slider/slider.html
@@ -9,6 +9,7 @@
 	<script src="../../../external/qunit/qunit.js"></script>
 	<script src="../../../external/jquery-simulate/jquery.simulate.js"></script>
 	<script src="../testsuite.js"></script>
+	<script src="../../../external/qunit-assert-classes/qunit-assert-classes.js"></script>
 	<script>
 	TestHelpers.loadResources({
 		css: [ "core", "slider" ],
diff --git a/tests/unit/slider/slider_common.js b/tests/unit/slider/slider_common.js
index a72071f79..d43869bf0 100644
--- a/tests/unit/slider/slider_common.js
+++ b/tests/unit/slider/slider_common.js
@@ -2,7 +2,11 @@ TestHelpers.commonWidgetTests( "slider", {
 	defaults: {
 		animate: false,
 		cancel: "input,textarea,button,select,option",
-		classes: {},
+		classes: {
+			"ui-slider": "ui-corner-all",
+			"ui-slider-handle": "ui-corner-all",
+			"ui-slider-range": "ui-corner-all ui-widget-header"
+		},
 		delay: 0,
 		disabled: false,
 		distance: 0,
diff --git a/tests/unit/slider/slider_core.js b/tests/unit/slider/slider_core.js
index 3649bded0..fa86b2df4 100644
--- a/tests/unit/slider/slider_core.js
+++ b/tests/unit/slider/slider_core.js
@@ -12,6 +12,18 @@ function handle() {
 // Slider Tests
 module( "slider: core" );
 
+test( "markup structure", function( assert ) {
+	expect( 4 );
+	var element = $( "<div>" ).slider({ range: true }),
+		handle = element.find( "span" ),
+		range = element.find( "div" );
+
+	assert.hasClasses( element, "ui-slider ui-slider-horizontal ui-widget ui-widget-content" );
+	assert.hasClasses( range, "ui-slider-range ui-widget-header" );
+	assert.hasClasses( handle[ 0 ], "ui-slider-handle" );
+	assert.hasClasses( handle[ 1 ], "ui-slider-handle" );
+});
+
 test( "keydown HOME on handle sets value to min", function() {
 	expect( 2 );
 	element = $( "<div></div>" );