From 48b48a886576c427140e2c5549cff942dc6c79fa Mon Sep 17 00:00:00 2001
From: Mike Sherov <mike.sherov@gmail.com>
Date: Tue, 2 Apr 2013 09:08:17 -0400
Subject: Draggable: Stop erroneously overriding scroll offsets for root nodes.
 Fixes #6258 - Draggable: not following mouse when scrolled and using
 overflow-y: scroll. (cherry picked from commit
 a88d64514001867b908776e6bfcfac7f1011970d)

---
 tests/unit/draggable/draggable_core.js | 35 ++++++++++++++++++++++++++++++++++
 1 file changed, 35 insertions(+)

(limited to 'tests')

diff --git a/tests/unit/draggable/draggable_core.js b/tests/unit/draggable/draggable_core.js
index f22d483a6..0d693e4ff 100644
--- a/tests/unit/draggable/draggable_core.js
+++ b/tests/unit/draggable/draggable_core.js
@@ -94,4 +94,39 @@ test( "#8269: Removing draggable element on drop", function() {
 	});
 });
 
+test( "#6258: not following mouse when scrolled and using overflow-y: scroll", function() {
+	expect( 2 );
+
+	var element = $( "#draggable1" ).draggable({
+			stop: function( event, ui ) {
+				equal( ui.position.left, 1, "left position is correct despite overflow on HTML" );
+				equal( ui.position.top, 1, "top position is correct despite overflow on HTML" );
+				$( "html" )
+					.css( "overflow-y", oldOverflowY )
+					.css( "overflow-x", oldOverflowX )
+					.scrollTop( 0 )
+					.scrollLeft( 0 );
+			}
+		}),
+		contentToForceScroll = $( "<div>" ).css({
+			height: "10000px",
+			width: "10000px"
+		}),
+		oldOverflowY = $( "html" ).css( "overflow-y" ),
+		oldOverflowX = $( "html" ).css( "overflow-x" );
+
+		contentToForceScroll.appendTo( "#qunit-fixture" );
+		$( "html" )
+			.css( "overflow-y", "scroll" )
+			.css( "overflow-x", "scroll" )
+			.scrollTop( 300 )
+			.scrollLeft( 300 );
+
+		element.simulate( "drag", {
+			dx: 1,
+			dy: 1,
+			moves: 1
+		});
+});
+
 })( jQuery );
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