Tooltip tests: Added accessibility tests.

Author: scottgonzalez

tests/unit/tooltip/tooltip_core.js

@@ -21,19 +21,24 @@ test( "markup structure", function() {
 });
 
 test( "accessibility", function() {
-	// TODO: full tests
-	expect( 2 );
+	expect( 5 );
 
 	var tooltipId,
+		tooltip,
 		element = $( "#multiple-describedby" ).tooltip();
 
 	element.tooltip( "open" );
 	tooltipId = element.data( "ui-tooltip-id" );
+	tooltip = $( "#" + tooltipId );
+	equal( tooltip.attr( "role" ), "tooltip", "role" );
 	equal( element.attr( "aria-describedby" ), "fixture-span " + tooltipId,
 		"multiple describedby when open" );
+	// strictEqual to distinguish between .removeAttr( "title" ) and .attr( "title", "" )
+	strictEqual( element.attr( "title" ), undefined, "no title when open" );
 	element.tooltip( "close" );
 	equal( element.attr( "aria-describedby" ), "fixture-span",
 		"correct describedby when closed" );
+	equal( element.attr( "title" ), "...", "title restored when closed" );
 });
 
 }( jQuery ) );