3 files changed, 20 insertions, 1 deletions
diff --git a/tests/unit/selectmenu/selectmenu.html b/tests/unit/selectmenu/selectmenu.html
index 618eea3d0..c9a399ad5 100644
--- a/tests/unit/selectmenu/selectmenu.html
+++ b/tests/unit/selectmenu/selectmenu.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", "menu" , "selectmenu" ],
diff --git a/tests/unit/selectmenu/selectmenu_common.js b/tests/unit/selectmenu/selectmenu_common.js
index cb8712e7b..f741eaf27 100644
--- a/tests/unit/selectmenu/selectmenu_common.js
+++ b/tests/unit/selectmenu/selectmenu_common.js
@@ -1,7 +1,10 @@
 TestHelpers.commonWidgetTests( "selectmenu", {
 	defaults: {
 		appendTo: null,
-		classes: {},
+		classes: {
+			"ui-selectmenu-button-open": "ui-corner-top",
+			"ui-selectmenu-button-closed": "ui-corner-all"
+		},
 		disabled: null,
 		icons: {
 			button: "ui-icon-triangle-1-s"
diff --git a/tests/unit/selectmenu/selectmenu_core.js b/tests/unit/selectmenu/selectmenu_core.js
index 0a2431861..1116bd604 100644
--- a/tests/unit/selectmenu/selectmenu_core.js
+++ b/tests/unit/selectmenu/selectmenu_core.js
@@ -2,6 +2,21 @@
 
 module( "selectmenu: core" );
 
+test( "markup structure", function( assert ) {
+	expect( 4 );
+
+	var element = $( "#files" ).selectmenu(),
+		button = element.selectmenu( "widget" ),
+		menu = element.selectmenu( "menuWidget" ),
+		menuWrap = menu.parent();
+
+	assert.hasClasses( button,
+		"ui-selectmenu-button ui-selectmenu-button-closed ui-widget" );
+	assert.lacksClasses( button, "ui-selectmenu-button-open" );
+	assert.hasClasses( menuWrap, "ui-selectmenu-menu" );
+	assert.lacksClasses( menuWrap, "ui-selectmenu-menu-open" );
+});
+
 asyncTest( "accessibility", function() {
 	var wrappers, button, menu,
 		element = $( "#speed" ).attr( "title", "A demo title" );