Ticket #5280: jquery.ui.position.test.patch

Index: tests/unit/position/position.html
===================================================================
--- tests/unit/position/position.html	(revision 3906)
+++ tests/unit/position/position.html	(arbetskopia)
@@ -43,5 +43,9 @@
 
 

 
+
+  

+  Hello World
+  
 
 
Index: tests/unit/position/position_core.js
===================================================================
--- tests/unit/position/position_core.js	(revision 3906)
+++ tests/unit/position/position_core.js	(arbetskopia)
@@ -330,4 +330,26 @@
 	}, { top: -13, left: -12 }, "left top, negative offset");
 });
 
+test('bug #5280: span in a div and reposition', function() {
+		var box = $('#span-in-div')
+		var span = $('span', box);
+		span.position({
+				my: 'center',
+				at: 'center',
+				of: box,
+				collision: 'none'
+			});
+		var first_offset = span.offset();
+		span.position({
+				my: 'center',
+				at: 'center',
+				of: box,
+				collision: 'none'
+			});
+		var second_offset = span.offset();
+
+		same(first_offset.left, second_offset.left, 'generate same left offset twice in a row');
+		same(first_offset.top, second_offset.top, 'generate same top offset twice in a row');
+	});
+
 })(jQuery);