Adding unit tests to make sure .scrollTop() and .scrollLeft() work cross-frame.

Author: brandonaaron

test/unit/offset.js

@@ -300,7 +300,7 @@ testoffset("table", function( jQuery ) {
 });
 
 testoffset("scroll", function( jQuery, win ) {
-	expect(12);
+	expect(16);
 
 	var ie = jQuery.browser.msie && parseInt( jQuery.browser.version ) < 8;
 
@@ -330,6 +330,14 @@ testoffset("scroll", function( jQuery, win ) {
 
 	equals( jQuery(win.document).scrollTop(), 1000, "jQuery(document).scrollTop()" );
 	equals( jQuery(win.document).scrollLeft(), 1000, "jQuery(document).scrollLeft()" );
+	
+	// test jQuery using parent window/document
+	// jQuery reference here is in the iframe
+	window.scrollTo(0,0);
+	equals( jQuery(window).scrollTop(), 0, "jQuery(window).scrollTop() other window" );
+	equals( jQuery(window).scrollLeft(), 0, "jQuery(window).scrollLeft() other window" );
+	equals( jQuery(document).scrollTop(), 0, "jQuery(window).scrollTop() other document" );
+	equals( jQuery(document).scrollLeft(), 0, "jQuery(window).scrollLeft() other document" );
 });
 
 testoffset("body", function( jQuery ) {