Merge branch 'master' into selectmenu

1 files changed, 875 insertions, 353 deletions

diff --git a/tests/unit/draggable/draggable_options.js b/tests/unit/draggable/draggable_options.js
index 8496d6182..ccbe7224a 100644
--- a/tests/unit/draggable/draggable_options.js
+++ b/tests/unit/draggable/draggable_options.js
@@ -1,74 +1,124 @@
-/*
- * draggable_options.js
- */
-(function($) {
+(function( $ ) {
 
-module("draggable: options");
+module( "draggable: options" );
 
-test("{ addClasses: true }, default", function() {
-	expect( 1 );
-	var el = $("<div></div>").draggable({ addClasses: true });
-	ok(el.is(".ui-draggable"), "'ui-draggable' class added");
+// TODO: This doesn't actually test whether append happened, possibly remove
+test( "{ appendTo: 'parent' }, default, no clone", function() {
+	expect( 2 );
+	var element = $( "#draggable2" ).draggable({ appendTo: "parent" });
+	TestHelpers.draggable.shouldMove( element );
 
-	el.draggable("destroy");
+	element = $( "#draggable1" ).draggable({ appendTo: "parent" });
+	TestHelpers.draggable.shouldMove( element );
 });
 
-test("{ addClasses: false }", function() {
-	expect( 1 );
-	var el = $("<div></div>").draggable({ addClasses: false });
-	ok(!el.is(".ui-draggable"), "'ui-draggable' class not added");
+// TODO: This doesn't actually test whether append happened, possibly remove
+test( "{ appendTo: Element }, no clone", function() {
+	expect( 2 );
+	var element = $( "#draggable2" ).draggable({ appendTo: $( "#draggable2" ).parent()[ 0 ] });
+
+	TestHelpers.draggable.shouldMove( element );
 
-	el.draggable("destroy");
+	element = $( "#draggable1" ).draggable({ appendTo: $( "#draggable2" ).parent()[ 0 ] });
+	TestHelpers.draggable.shouldMove( element );
 });
 
-test("{ appendTo: 'parent' }, default", function() {
+// TODO: This doesn't actually test whether append happened, possibly remove
+test( "{ appendTo: Selector }, no clone", function() {
 	expect( 2 );
-	var el = $("#draggable2").draggable({ appendTo: "parent" });
-	TestHelpers.draggable.shouldMove(el);
-
-	el = $("#draggable1").draggable({ appendTo: "parent" });
-	TestHelpers.draggable.shouldMove(el);
+	var element = $( "#draggable2" ).draggable({ appendTo: "#main" });
+	TestHelpers.draggable.shouldMove( element );
 
+	element = $( "#draggable1" ).draggable({ appendTo: "#main" });
+	TestHelpers.draggable.shouldMove( element );
 });
 
-test("{ appendTo: Element }", function() {
+test( "{ appendTo: 'parent' }, default", function() {
 	expect( 2 );
-	var el = $("#draggable2").draggable({ appendTo: $("#draggable2").parent()[0] });
-	TestHelpers.draggable.shouldMove(el);
 
-	el = $("#draggable1").draggable({ appendTo: $("#draggable2").parent()[0] });
-	TestHelpers.draggable.shouldMove(el);
+	var element = $( "#draggable1" ).draggable();
+
+	TestHelpers.draggable.trackAppendedParent( element );
+
+	equal( element.draggable( "option", "appendTo" ), "parent" );
+
+	TestHelpers.draggable.move( element, 1, 1 );
+	equal( element.data( "last_dragged_parent" ), $( "#qunit-fixture" )[ 0 ] );
+});
+
+test( "{ appendTo: Element }", function() {
+	expect( 1 );
+
+	var appendTo = $( "#draggable2" ).parent()[ 0 ],
+		element = $( "#draggable1" ).draggable({ appendTo: appendTo });
+
+	TestHelpers.draggable.trackAppendedParent( element );
+
+	TestHelpers.draggable.move( element, 1, 1 );
+	equal( element.data( "last_dragged_parent" ), appendTo );
+});
+
+test( "{ appendTo: jQuery }", function() {
+	expect( 1 );
+
+	var appendTo = $( "#draggable2" ).parent(),
+		element = $( "#draggable1" ).draggable({ appendTo: appendTo });
+
+	TestHelpers.draggable.trackAppendedParent( element );
+
+	TestHelpers.draggable.move( element, 1, 1 );
+	equal( element.data( "last_dragged_parent" ), appendTo[ 0 ] );
 });
 
-test("{ appendTo: Selector }", function() {
+test( "{ appendTo: Selector }", function() {
+	expect( 1 );
+
+	var appendTo = "#main",
+		element = $( "#draggable1" ).draggable({ appendTo: appendTo });
+
+	TestHelpers.draggable.trackAppendedParent( element );
+
+	TestHelpers.draggable.move( element, 1, 1 );
+	equal( element.data( "last_dragged_parent" ), $(appendTo)[ 0 ] );
+});
+
+test( "appendTo, default, switching after initialization", function() {
 	expect( 2 );
-	var el = $("#draggable2").draggable({ appendTo: "#main" });
-	TestHelpers.draggable.shouldMove(el);
 
-	el = $("#draggable1").draggable({ appendTo: "#main" });
-	TestHelpers.draggable.shouldMove(el);
+	var element = $( "#draggable1" ).draggable({ helper : "clone" });
+
+	TestHelpers.draggable.trackAppendedParent( element );
+
+	// Move and make sure element was appended to fixture
+	TestHelpers.draggable.move( element, 1, 1 );
+	equal( element.data( "last_dragged_parent" ), $( "#qunit-fixture" )[ 0 ] );
+
+	// Move and make sure element was appended to main
+	element.draggable( "option", "appendTo", $( "#main" ) );
+	TestHelpers.draggable.move( element, 2, 2 );
+	equal( element.data( "last_dragged_parent" ), $( "#main" )[ 0 ] );
 });
 
-test("{ axis: false }, default", function() {
+test( "{ axis: false }, default", function() {
 	expect( 1 );
-	var el = $("#draggable2").draggable({ axis: false });
-	TestHelpers.draggable.shouldMove(el);
+	var element = $( "#draggable2" ).draggable({ axis: false });
+	TestHelpers.draggable.shouldMove( element );
 });
 
-test("{ axis: 'x' }", function() {
+test( "{ axis: 'x' }", function() {
 	expect( 1 );
-	var el = $("#draggable2").draggable({ axis: "x" });
-	TestHelpers.draggable.testDrag(el, el, 50, 50, 50, 0);
+	var element = $( "#draggable2" ).draggable({ axis: "x" });
+	TestHelpers.draggable.testDrag( element, element, 50, 50, 50, 0 );
 });
 
-test("{ axis: 'y' }", function() {
+test( "{ axis: 'y' }", function() {
 	expect( 1 );
-	var el = $("#draggable2").draggable({ axis: "y" });
-	TestHelpers.draggable.testDrag(el, el, 50, 50, 0, 50);
+	var element = $( "#draggable2" ).draggable({ axis: "y" });
+	TestHelpers.draggable.testDrag( element, element, 50, 50, 0, 50 );
 });
 
-test("{ axis: ? }, unexpected", function() {
-	var el,
+test( "{ axis: ? }, unexpected", function() {
+	var element,
 		unexpected = {
 			"true": true,
 			"{}": {},
@@ -81,193 +131,313 @@ test("{ axis: ? }, unexpected", function() {
 	expect( 6 );
 
 	$.each(unexpected, function(key, val) {
-		el = $("#draggable2").draggable({ axis: val });
-		TestHelpers.draggable.testDrag(el, el, 50, 50, 50, 50, "axis: " + key);
-		el.draggable("destroy");
+		element = $( "#draggable2" ).draggable({ axis: val });
+		TestHelpers.draggable.testDrag( element, element, 50, 50, 50, 50, "axis: " + key );
+		element.draggable( "destroy" );
 	});
 });
 
-test("{ cancel: 'input,textarea,button,select,option' }, default", function() {
+test( "axis, default, switching after initialization", function() {
+	expect( 3 );
+
+	var element = $( "#draggable1" ).draggable({ axis : false });
+
+	// Any Direction
+	TestHelpers.draggable.testDrag( element, element, 50, 50, 50, 50 );
+
+	// Only horizontal
+	element.draggable( "option", "axis", "x" );
+	TestHelpers.draggable.testDrag( element, element, 50, 50, 50, 0 );
+
+	// Vertical only
+	element.draggable( "option", "axis", "y" );
+	TestHelpers.draggable.testDrag( element, element, 50, 50, 0, 50 );
+
+});
+
+test( "{ cancel: 'input,textarea,button,select,option' }, default", function() {
 	expect( 2 );
 
-	$("<div id='draggable-option-cancel-default'><input type='text'></div>").appendTo("#main");
+	$( "<div id='draggable-option-cancel-default'><input type='text'></div>" ).appendTo( "#main" );
 
-	var el = $("#draggable-option-cancel-default").draggable({ cancel: "input,textarea,button,select,option" });
-	TestHelpers.draggable.shouldMove(el);
+	var element = $( "#draggable-option-cancel-default" ).draggable({ cancel: "input,textarea,button,select,option" });
+	TestHelpers.draggable.shouldMove( element );
 
-	el.draggable("destroy");
+	element.draggable( "destroy" );
 
-	el = $("#draggable-option-cancel-default").draggable({ cancel: "input,textarea,button,select,option" });
-	TestHelpers.draggable.testDrag(el, "#draggable-option-cancel-default input", 50, 50, 0, 0);
-	el.draggable("destroy");
+	element = $( "#draggable-option-cancel-default" ).draggable({ cancel: "input,textarea,button,select,option" });
+	TestHelpers.draggable.testDrag( element, "#draggable-option-cancel-default input", 50, 50, 0, 0 );
+	element.draggable( "destroy" );
 });
 
-test("{ cancel: 'span' }", function() {
+test( "{ cancel: 'span' }", function() {
 	expect( 2 );
 
-	var el = $("#draggable2").draggable();
-	TestHelpers.draggable.testDrag(el, "#draggable2 span", 50, 50, 50, 50);
+	var element = $( "#draggable2" ).draggable();
+	TestHelpers.draggable.testDrag( element, "#draggable2 span", 50, 50, 50, 50 );
 
-	el.draggable("destroy");
+	element.draggable( "destroy" );
 
-	el = $("#draggable2").draggable({ cancel: "span" });
-	TestHelpers.draggable.testDrag(el, "#draggable2 span", 50, 50, 0, 0);
+	element = $( "#draggable2" ).draggable({ cancel: "span" });
+	TestHelpers.draggable.testDrag( element, "#draggable2 span", 50, 50, 0, 0 );
 });
 
-test("{ cancel: ? }, unexpected", function() {
-	var el,
+test( "{ cancel: ? }, unexpected", function() {
+	expect( 6 );
+
+	var element,
 		unexpected = {
 			"true": true,
 			"false": false,
 			"{}": {},
 			"[]": [],
 			"null": null,
-			"undefined": undefined,
-			"function() {return '';}": function() {return "";},
-			"function() {return true;}": function() {return true;},
-			"function() {return false;}": function() {return false;}
+			"undefined": undefined
 		};
 
-	expect( 9 );
-
-	$.each(unexpected, function(key, val) {
-		el = $("#draggable2").draggable({ cancel: val });
-		TestHelpers.draggable.shouldMove(el, "cancel: " + key);
-		el.draggable("destroy");
+	$.each( unexpected, function( key, val ) {
+		element = $( "#draggable2" ).draggable({ cancel: val });
+		TestHelpers.draggable.shouldMove( element, "cancel: " + key );
+		element.draggable( "destroy" );
 	});
 });
 
-/*
-test("{ containment: false }, default", function() {
-	expect( 1 );
+/**
+test( "{ cancel: Selectors }, matching parent selector", function() {
+
+	expect( 5 );
+
+	var element = $( "#draggable2" ).draggable({ cancel: "span a" });
+
+	$( "#qunit-fixture" ).append( "<span id='wrapping'><a></a></span>" );
+
+	element.find( "span" ).append( "<a>" );
+
+	$( "#wrapping a" ).append( element );
+
+	TestHelpers.draggable.testDrag( element, "#draggable2 span", 50, 50, 50, 50, "drag span child" );
+	TestHelpers.draggable.shouldNotMove( $( "#draggable2 span a" ) );
+	TestHelpers.draggable.shouldNotMove( $( "#wrapping a" ) );
+
+	$( "#draggable2" ).draggable( "option", "cancel", "span > a" );
+	$( "#draggable2" ).find( "a" ).append( "<a>" );
+
+
+	TestHelpers.draggable.testDrag( element, $( "#draggable2 span a" ).last(), 50, 50, 50, 50, "drag span child" );
+	TestHelpers.draggable.shouldNotMove( $( "#draggable2 span a" ).first() );
 
-	ok(false, "missing test - untested code is broken code");
 });
+*/
+
+test( "cancelement, default, switching after initialization", function() {
+	expect( 3 );
+
+	$( "<div id='draggable-option-cancel-default'><input type='text'></div>" ).appendTo( "#main" );
+
+	var input = $( "#draggable-option-cancel-default input" ),
+		element = $( "#draggable-option-cancel-default" ).draggable();
 
-test("{ containment: Element }", function() {
+	TestHelpers.draggable.testDrag( element, input, 50, 50, 0, 0 );
+
+	element.draggable( "option", "cancel", "textarea" );
+	TestHelpers.draggable.testDrag( element, input, 50, 50, 50, 50 );
+
+	element.draggable( "option", "cancel", "input" );
+	TestHelpers.draggable.testDrag( element, input, 50, 50, 0, 0 );
+});
+
+/*
+
+test( "{ connectToSortable: selector }, default", function() {
 	expect( 1 );
 
-	ok(false, "missing test - untested code is broken code");
+	ok(false, "missing test - untested code is broken code" );
 });
 */
 
-test("{ containment: 'parent' }, relative", function() {
+test( "{ containment: Element }", function() {
 	expect( 1 );
 
 	var offsetAfter,
-		el = $("#draggable1").draggable({ containment: "parent" }),
-		p = el.parent(),
+		element = $( "#draggable1" ).draggable({ containment: $( "#draggable1" ).parent()[ 0 ] }),
+		p = element.parent(),
 		po = p.offset(),
 		expected = {
-			left: po.left + TestHelpers.draggable.border(p, "left") + TestHelpers.draggable.margin(el, "left"),
-			top: po.top + TestHelpers.draggable.border(p, "top") + TestHelpers.draggable.margin(el, "top")
+			left: po.left + TestHelpers.draggable.border( p, "left" ) + TestHelpers.draggable.margin( element, "left" ),
+			top: po.top + TestHelpers.draggable.border( p, "top" ) + TestHelpers.draggable.margin( element, "top" )
 		};
 
-	el.simulate( "drag", {
+	element.simulate( "drag", {
 		dx: -100,
 		dy: -100
 	});
-	offsetAfter = el.offset();
-	deepEqual(offsetAfter, expected, "compare offset to parent");
+	offsetAfter = element.offset();
+	deepEqual( offsetAfter, expected, "compare offset to parent" );
 });
 
-test("{ containment: 'parent' }, absolute", function() {
+test( "{ containment: Selector }", function() {
 	expect( 1 );
 
 	var offsetAfter,
-		el = $("#draggable2").draggable({ containment: "parent" }),
-		p = el.parent(),
+		element = $( "#draggable1" ).draggable({ containment: $( "#qunit-fixture" ) }),
+		p = element.parent(),
 		po = p.offset(),
 		expected = {
-			left: po.left + TestHelpers.draggable.border(p, "left") + TestHelpers.draggable.margin(el, "left"),
-			top: po.top + TestHelpers.draggable.border(p, "top") + TestHelpers.draggable.margin(el, "top")
+			left: po.left + TestHelpers.draggable.border( p, "left" ) + TestHelpers.draggable.margin( element, "left" ),
+			top: po.top + TestHelpers.draggable.border( p, "top" ) + TestHelpers.draggable.margin( element, "top" )
 		};
 
-	el.simulate( "drag", {
+	element.simulate( "drag", {
 		dx: -100,
 		dy: -100
 	});
-	offsetAfter = el.offset();
-	deepEqual(offsetAfter, expected, "compare offset to parent");
+	offsetAfter = element.offset();
+	deepEqual( offsetAfter, expected, "compare offset to parent" );
 });
 
-/*
-test("{ containment: 'document' }", function() {
+test( "{ containment: [x1, y1, x2, y2] }", function() {
 	expect( 1 );
 
-	ok(false, "missing test - untested code is broken code");
+	var element = $( "#draggable1" ).draggable(),
+		eo = element.offset();
+
+	element.draggable( "option", "containment", [ eo.left, eo.top, eo.left + element.width() + 5, eo.top + element.height() + 5 ] );
+
+	TestHelpers.draggable.testDrag( element, element, -100, -100, 0, 0 );
 });
 
-test("{ containment: 'window' }", function() {
+test( "{ containment: 'parent' }, relative", function() {
 	expect( 1 );
 
-	ok(false, "missing test - untested code is broken code");
+	var offsetAfter,
+		element = $( "#draggable1" ).draggable({ containment: "parent" }),
+		p = element.parent(),
+		po = p.offset(),
+		expected = {
+			left: po.left + TestHelpers.draggable.border( p, "left" ) + TestHelpers.draggable.margin( element, "left" ),
+			top: po.top + TestHelpers.draggable.border( p, "top" ) + TestHelpers.draggable.margin( element, "top" )
+		};
+
+	element.simulate( "drag", {
+		dx: -100,
+		dy: -100
+	});
+	offsetAfter = element.offset();
+	deepEqual( offsetAfter, expected, "compare offset to parent" );
 });
 
-test("{ containment: Selector }", function() {
+test( "{ containment: 'parent' }, absolute", function() {
 	expect( 1 );
 
-	ok(false, "missing test - untested code is broken code");
+	var offsetAfter,
+		element = $( "#draggable2" ).draggable({ containment: "parent" }),
+		p = element.parent(),
+		po = p.offset(),
+		expected = {
+			left: po.left + TestHelpers.draggable.border( p, "left" ) + TestHelpers.draggable.margin( element, "left" ),
+			top: po.top + TestHelpers.draggable.border( p, "top" ) + TestHelpers.draggable.margin( element, "top" )
+		};
+
+	element.simulate( "drag", {
+		dx: -100,
+		dy: -100
+	});
+	offsetAfter = element.offset();
+	deepEqual( offsetAfter, expected, "compare offset to parent" );
 });
 
-test("{ containment: [x1, y1, x2, y2] }", function() {
-	expect( 1 );
+test( "containment, default, switching after initialization", function() {
+	expect( 2 );
+
+	var element = $( "#draggable1" ).draggable({ containment: false });
+
+	TestHelpers.draggable.testDrag( element, element, -100, -100, -100, -100 );
 
-	ok(false, "missing test - untested code is broken code");
+	element.draggable( "option", "containment", "parent" )
+		.css({
+			top: 0,
+			left: 0
+		})
+		.appendTo( $( "#main" ) );
+
+	TestHelpers.draggable.testDrag( element, element, -100, -100, 0, 0 );
+
+	// TODO: Switching back to false does not update to false
+	// element.draggable( "option", "containment", false );
+	// TestHelpers.draggable.testDrag( element, element, -100, -100, -100, -100 );
 });
-*/
 
-test("{ cursor: 'auto' }, default", function() {
-	function getCursor() { return $("#draggable2").css("cursor"); }
+test( "{ cursor: 'auto' }, default", function() {
+	function getCursor() {
+		return $( "#draggable2" ).css( "cursor" );
+	}
 
-	expect(2);
+	expect( 2 );
 
-	var actual, before, after,
+	var actual, after,
 		expected = "auto",
-		el = $("#draggable2").draggable({
+		element = $( "#draggable2" ).draggable({
 			cursor: expected,
 			start: function() {
 				actual = getCursor();
 			}
-		});
+		}),
+		before = getCursor();
 
-	before = getCursor();
-	el.simulate( "drag", {
+	element.simulate( "drag", {
 		dx: -1,
 		dy: -1
 	});
 	after = getCursor();
 
-	equal(actual, expected, "start callback: cursor '" + expected + "'");
-	equal(after, before, "after drag: cursor restored");
-
+	equal( actual, expected, "start callback: cursor '" + expected + "'" );
+	equal( after, before, "after drag: cursor restored" );
 });
 
-test("{ cursor: 'move' }", function() {
+test( "{ cursor: 'move' }", function() {
+	function getCursor() {
+		return $( "body" ).css( "cursor" );
+	}
 
-	function getCursor() { return $("body").css("cursor"); }
-
-	expect(2);
+	expect( 2 );
 
-	var actual, before, after,
+	var actual, after,
 		expected = "move",
-		el = $("#draggable2").draggable({
+		element = $( "#draggable2" ).draggable({
 			cursor: expected,
 			start: function() {
 				actual = getCursor();
 			}
-		});
+		}),
+		before = getCursor();
 
-	before = getCursor();
-	el.simulate( "drag", {
+	element.simulate( "drag", {
 		dx: -1,
 		dy: -1
 	});
 	after = getCursor();
 
-	equal(actual, expected, "start callback: cursor '" + expected + "'");
-	equal(after, before, "after drag: cursor restored");
+	equal( actual, expected, "start callback: cursor '" + expected + "'" );
+	equal( after, before, "after drag: cursor restored" );
+});
+
+test( "cursor, default, switching after initialization", function() {
+	expect( 3 );
+
+	var element = $( "#draggable1" ).draggable();
+
+	TestHelpers.draggable.trackMouseCss( element );
 
+	TestHelpers.draggable.move( element, 1, 1 );
+	equal( element.data( "last_dragged_cursor" ), "auto" );
+
+	element.draggable( "option", "cursor", "move" );
+	TestHelpers.draggable.move( element, 1, 1 );
+	equal( element.data( "last_dragged_cursor" ), "move" );
+
+	element.draggable( "option", "cursor", "ns-resize" );
+	TestHelpers.draggable.move( element, 1, 1 );
+	equal( element.data( "last_dragged_cursor" ), "ns-resize" );
 });
 
 test( "cursorAt", function() {
@@ -286,7 +456,7 @@ test( "cursorAt", function() {
 
 	$.each( tests, function( testName, testData ) {
 		$.each( [ "relative", "absolute" ], function( i, position ) {
-			var el = $( "#draggable" + ( i + 1 ) ).draggable({
+			var element = $( "#draggable" + ( i + 1 ) ).draggable({
 					cursorAt: testData.cursorAt,
 					drag: function( event, ui ) {
 						if( !testData.cursorAt ) {
@@ -302,7 +472,52 @@ test( "cursorAt", function() {
 					}
 			});
 
-			el.simulate( "drag", {
+			element.simulate( "drag", {
+				moves: 1,
+				dx: deltaX,
+				dy: deltaY
+			});
+		});
+	});
+});
+
+test( "cursorAt, switching after initialization", function() {
+	expect( 24 );
+
+	var deltaX = -3,
+		deltaY = -3,
+		tests = {
+			"false": { cursorAt : false },
+			"{ left: -5, top: -5 }": { x: -5, y: -5, cursorAt : { left: -5, top: -5 } },
+			"[ 10, 20 ]": { x: 10, y: 20, cursorAt : [ 10, 20 ] },
+			"'10 20'": { x: 10, y: 20, cursorAt : "10 20" },
+			"{ left: 20, top: 40 }": { x: 20, y: 40, cursorAt : { left: 20, top: 40 } },
+			"{ right: 10, bottom: 20 }": { x: 10, y: 20, cursorAt : { right: 10, bottom: 20 } }
+		};
+
+	$.each( tests, function( testName, testData ) {
+		$.each( [ "relative", "absolute" ], function( i, position ) {
+			var element = $( "#draggable" + ( i + 1 ) );
+
+			element.draggable({
+					drag: function( event, ui ) {
+						if( !testData.cursorAt ) {
+							equal( ui.position.left - ui.originalPosition.left, deltaX, testName + " " + position + " left" );
+							equal( ui.position.top - ui.originalPosition.top, deltaY, testName + " " + position + " top" );
+						} else if( testData.cursorAt.right ) {
+							equal( ui.helper.width() - ( event.clientX - ui.offset.left ), testData.x - TestHelpers.draggable.unreliableOffset, testName + " " + position + " left" );
+							equal( ui.helper.height() - ( event.clientY - ui.offset.top ), testData.y - TestHelpers.draggable.unreliableOffset, testName + " " +position + " top" );
+						} else {
+							equal( event.clientX - ui.offset.left, testData.x + TestHelpers.draggable.unreliableOffset, testName + " " + position + " left" );
+							equal( event.clientY - ui.offset.top, testData.y + TestHelpers.draggable.unreliableOffset, testName + " " + position + " top" );
+						}
+					}
+			});
+
+			element.draggable( "option", "cursorAt", false );
+			element.draggable( "option", "cursorAt", testData.cursorAt );
+
+			element.simulate( "drag", {
 				moves: 1,
 				dx: deltaX,
 				dy: deltaY
@@ -311,451 +526,758 @@ test( "cursorAt", function() {
 	});
 });
 
-test("{ distance: 10 }", function() {
+test( "disabled", function() {
 	expect( 3 );
 
-	var el = $("#draggable2").draggable({ distance: 10 });
-	TestHelpers.draggable.testDrag(el, el, -9, -9, 0, 0, "distance not met");
+	var element = $( "#draggable1" ).draggable();
 
-	TestHelpers.draggable.testDrag(el, el, -10, -10, -10, -10, "distance met");
+	TestHelpers.draggable.shouldMove( element );
 
-	TestHelpers.draggable.testDrag(el, el, 9, 9, 0, 0, "distance not met");
+	element.draggable( "option", "disabled", true );
+	TestHelpers.draggable.shouldNotMove( element );
 
+	element.draggable( "option", "disabled", false );
+	TestHelpers.draggable.shouldMove( element );
 });
 
-test("{ grid: [50, 50] }, relative", function() {
+test( "{ grid: [50, 50] }, relative", function() {
 	expect( 2 );
 
-	var el = $("#draggable1").draggable({ grid: [50, 50] });
-	TestHelpers.draggable.testDrag(el, el, 24, 24, 0, 0);
-	TestHelpers.draggable.testDrag(el, el, 26, 25, 50, 50);
+	var element = $( "#draggable1" ).draggable({ grid: [ 50, 50 ] });
+	TestHelpers.draggable.testDrag( element, element, 24, 24, 0, 0 );
+	TestHelpers.draggable.testDrag( element, element, 26, 25, 50, 50 );
 });
 
-test("{ grid: [50, 50] }, absolute", function() {
+test( "{ grid: [50, 50] }, absolute", function() {
 	expect( 2 );
 
-	var el = $("#draggable2").draggable({ grid: [50, 50] });
-	TestHelpers.draggable.testDrag(el, el, 24, 24, 0, 0);
-	TestHelpers.draggable.testDrag(el, el, 26, 25, 50, 50);
+	var element = $( "#draggable2" ).draggable({ grid: [ 50, 50 ] });
+	TestHelpers.draggable.testDrag( element, element, 24, 24, 0, 0 );
+	TestHelpers.draggable.testDrag( element, element, 26, 25, 50, 50 );
+});
+
+test( "grid, switching after initialization", function() {
+	expect( 4 );
+
+	var element = $( "#draggable1" ).draggable();
+
+	// Forward
+	TestHelpers.draggable.testDrag( element, element, 24, 24, 24, 24 );
+	TestHelpers.draggable.testDrag( element, element, 0, 0, 0, 0 );
+
+	element.draggable( "option", "grid", [ 50,50 ] );
+
+	TestHelpers.draggable.testDrag( element, element, 24, 24, 0, 0 );
+	TestHelpers.draggable.testDrag( element, element, 26, 25, 50, 50 );
 });
 
-test("{ handle: 'span' }", function() {
+test( "{ handle: 'span' }", function() {
 	expect( 2 );
 
-	var el = $("#draggable2").draggable({ handle: "span" });
+	var element = $( "#draggable2" ).draggable({ handle: "span" });
+
+	TestHelpers.draggable.testDrag( element, "#draggable2 span", 50, 50, 50, 50, "drag span" );
+	TestHelpers.draggable.shouldNotMove( element, "drag element" );
+});
+
+/*
+test( "{ handle: Selectors }, matching parent selector", function() {
+
+	expect( 4 );
+
+	var element = $( "#draggable2" ).draggable({ handle: "span a" });
+
+	$( "#qunit-fixture" ).append( "<span id='wrapping'><a></a></span>" );
+
+	element.find( "span" ).append( "<a>" );
+
+	$( "#wrapping a" ).append( element );
+
+	TestHelpers.draggable.testDrag( element, "#draggable2 span a", 50, 50, 50, 50, "drag span child" );
+	TestHelpers.draggable.shouldNotMove( $( "#wrapping a" ) );
+
+	$( "#draggable2" ).draggable( "option", "handle", "span > a" );
+	$( "#draggable2" ).find( "a" ).append( "<a>" );
+
+	TestHelpers.draggable.testDrag( element, $( "#draggable2 span a" ).first(), 50, 50, 50, 50, "drag span child" );
+	TestHelpers.draggable.shouldNotMove( $( "#draggable2 span a" ).last() );
+
+});
+*/
+
+test( "handle, default, switching after initialization", function() {
+	expect( 6 );
+
+	var element = $( "#draggable2" ).draggable();
+
+	TestHelpers.draggable.testDrag( element, element, 50, 50, 50, 50 );
+	TestHelpers.draggable.testDrag( element, "#draggable2 span", 100, 100, 100, 100 );
+
+	// Switch
+	element.draggable( "option", "handle", "span" );
+	TestHelpers.draggable.testDrag( element, element, 50, 50, 0, 0 );
+	TestHelpers.draggable.testDrag( element, "#draggable2 span", 100, 100, 100, 100 );
 
-	TestHelpers.draggable.testDrag(el, "#draggable2 span", 50, 50, 50, 50, "drag span");
-	TestHelpers.draggable.shouldNotMove(el, "drag element");
+	// And back
+	element.draggable( "option", "handle", false );
+	TestHelpers.draggable.testDrag( element, element, 50, 50, 50, 50 );
+	TestHelpers.draggable.testDrag( element, "#draggable2 span", 100, 100, 100, 100 );
 });
 
-test("{ helper: 'clone' }, relative", function() {
+test( "helper, default, switching after initialization", function() {
+	expect( 3 );
+
+	var element = $( "#draggable1" ).draggable();
+	TestHelpers.draggable.shouldMove( element );
+
+	element.draggable( "option", "helper", "clone" );
+	TestHelpers.draggable.shouldNotMove( element );
+
+	element.draggable( "option", "helper", "original" );
+	TestHelpers.draggable.shouldMove( element );
+});
+
+test( "{ helper: 'clone' }, relative", function() {
 	expect( 1 );
 
-	var el = $("#draggable1").draggable({ helper: "clone" });
-	TestHelpers.draggable.shouldNotMove(el);
+	var element = $( "#draggable1" ).draggable({ helper: "clone" });
+	TestHelpers.draggable.shouldNotMove( element );
 });
 
-test("{ helper: 'clone' }, absolute", function() {
+test( "{ helper: 'clone' }, absolute", function() {
 	expect( 1 );
 
-	var el = $("#draggable2").draggable({ helper: "clone" });
-	TestHelpers.draggable.shouldNotMove(el);
+	var element = $( "#draggable2" ).draggable({ helper: "clone" });
+	TestHelpers.draggable.shouldNotMove( element );
 });
 
-test("{ helper: 'original' }, relative, with scroll offset on parent", function() {
+test( "{ helper: 'original' }, relative, with scroll offset on parent", function() {
 	expect( 3 );
 
-	var el = $("#draggable1").draggable({ helper: "original" });
+	var element = $( "#draggable1" ).draggable({ helper: "original" });
 
 	TestHelpers.draggable.setScroll();
-	TestHelpers.draggable.testScroll(el, "relative");
+	TestHelpers.draggable.testScroll( element, "relative" );
 
 	TestHelpers.draggable.setScroll();
-	TestHelpers.draggable.testScroll(el, "static");
+	TestHelpers.draggable.testScroll( element, "static" );
 
 	TestHelpers.draggable.setScroll();
-	TestHelpers.draggable.testScroll(el, "absolute");
+	TestHelpers.draggable.testScroll( element, "absolute" );
 
 	TestHelpers.draggable.restoreScroll();
-
 });
 
-test("{ helper: 'original' }, relative, with scroll offset on root", function() {
+test( "{ helper: 'original' }, relative, with scroll offset on root", function() {
 	expect( 3 );
 
-	var el = $("#draggable1").draggable({ helper: "original" });
-
-	TestHelpers.draggable.setScroll("root");
-	TestHelpers.draggable.testScroll(el, "relative");
+	var element = $( "#draggable1" ).draggable({ helper: "original" });
 
-	TestHelpers.draggable.setScroll("root");
-	TestHelpers.draggable.testScroll(el, "static");
+	TestHelpers.draggable.setScroll( "root" );
+	TestHelpers.draggable.testScroll( element, "relative" );
 
-	TestHelpers.draggable.setScroll("root");
-	TestHelpers.draggable.testScroll(el, "absolute");
+	TestHelpers.draggable.setScroll( "root" );
+	TestHelpers.draggable.testScroll( element, "static" );
 
-	TestHelpers.draggable.restoreScroll("root");
+	TestHelpers.draggable.setScroll( "root" );
+	TestHelpers.draggable.testScroll( element, "absolute" );
 
+	TestHelpers.draggable.restoreScroll( "root" );
 });
 
-test("{ helper: 'original' }, relative, with scroll offset on root and parent", function() {
-
-	expect(3);
+test( "{ helper: 'original' }, relative, with scroll offset on root and parent", function() {
+	expect( 3 );
 
-	var el = $("#draggable1").draggable({ helper: "original" });
+	var element = $( "#draggable1" ).draggable({ helper: "original" });
 
 	TestHelpers.draggable.setScroll();
-	TestHelpers.draggable.setScroll("root");
-	TestHelpers.draggable.testScroll(el, "relative");
+	TestHelpers.draggable.setScroll( "root" );
+	TestHelpers.draggable.testScroll( element, "relative" );
 
 	TestHelpers.draggable.setScroll();
-	TestHelpers.draggable.setScroll("root");
-	TestHelpers.draggable.testScroll(el, "static");
+	TestHelpers.draggable.setScroll( "root" );
+	TestHelpers.draggable.testScroll( element, "static" );
 
 	TestHelpers.draggable.setScroll();
-	TestHelpers.draggable.setScroll("root");
-	TestHelpers.draggable.testScroll(el, "absolute");
+	TestHelpers.draggable.setScroll( "root" );
+	TestHelpers.draggable.testScroll( element, "absolute" );
 
 	TestHelpers.draggable.restoreScroll();
-	TestHelpers.draggable.restoreScroll("root");
-
+	TestHelpers.draggable.restoreScroll( "root" );
 });
 
-test("{ helper: 'original' }, absolute, with scroll offset on parent", function() {
-
-	expect(3);
+test( "{ helper: 'original' }, absolute, with scroll offset on parent", function() {
+	expect( 3 );
 
-	var el = $("#draggable1").css({ position: "absolute", top: 0, left: 0 }).draggable({ helper: "original" });
+	var element = $( "#draggable1" ).css({ position: "absolute", top: 0, left: 0 }).draggable({ helper: "original" });
 
 	TestHelpers.draggable.setScroll();
-	TestHelpers.draggable.testScroll(el, "relative");
+	TestHelpers.draggable.testScroll( element, "relative" );
 
 	TestHelpers.draggable.setScroll();
-	TestHelpers.draggable.testScroll(el, "static");
+	TestHelpers.draggable.testScroll( element, "static" );
 
 	TestHelpers.draggable.setScroll();
-	TestHelpers.draggable.testScroll(el, "absolute");
+	TestHelpers.draggable.testScroll( element, "absolute" );
 
 	TestHelpers.draggable.restoreScroll();
-
 });
 
-test("{ helper: 'original' }, absolute, with scroll offset on root", function() {
-
-	expect(3);
-
-	var el = $("#draggable1").css({ position: "absolute", top: 0, left: 0 }).draggable({ helper: "original" });
+test( "{ helper: 'original' }, absolute, with scroll offset on root", function() {
+	expect( 3 );
 
-	TestHelpers.draggable.setScroll("root");
-	TestHelpers.draggable.testScroll(el, "relative");
+	var element = $( "#draggable1" ).css({ position: "absolute", top: 0, left: 0 }).draggable({ helper: "original" });
 
-	TestHelpers.draggable.setScroll("root");
-	TestHelpers.draggable.testScroll(el, "static");
+	TestHelpers.draggable.setScroll( "root" );
+	TestHelpers.draggable.testScroll( element, "relative" );
 
-	TestHelpers.draggable.setScroll("root");
-	TestHelpers.draggable.testScroll(el, "absolute");
+	TestHelpers.draggable.setScroll( "root" );
+	TestHelpers.draggable.testScroll( element, "static" );
 
-	TestHelpers.draggable.restoreScroll("root");
+	TestHelpers.draggable.setScroll( "root" );
+	TestHelpers.draggable.testScroll( element, "absolute" );
 
+	TestHelpers.draggable.restoreScroll( "root" );
 });
 
-test("{ helper: 'original' }, absolute, with scroll offset on root and parent", function() {
-
-	expect(3);
+test( "{ helper: 'original' }, absolute, with scroll offset on root and parent", function() {
+	expect( 3 );
 
-	var el = $("#draggable1").css({ position: "absolute", top: 0, left: 0 }).draggable({ helper: "original" });
+	var element = $( "#draggable1" ).css({ position: "absolute", top: 0, left: 0 }).draggable({ helper: "original" });
 
 	TestHelpers.draggable.setScroll();
-	TestHelpers.draggable.setScroll("root");
-	TestHelpers.draggable.testScroll(el, "relative");
+	TestHelpers.draggable.setScroll( "root" );
+	TestHelpers.draggable.testScroll( element, "relative" );
 
 	TestHelpers.draggable.setScroll();
-	TestHelpers.draggable.setScroll("root");
-	TestHelpers.draggable.testScroll(el, "static");
+	TestHelpers.draggable.setScroll( "root" );
+	TestHelpers.draggable.testScroll( element, "static" );
 
 	TestHelpers.draggable.setScroll();
-	TestHelpers.draggable.setScroll("root");
-	TestHelpers.draggable.testScroll(el, "absolute");
+	TestHelpers.draggable.setScroll( "root" );
+	TestHelpers.draggable.testScroll( element, "absolute" );
 
 	TestHelpers.draggable.restoreScroll();
-	TestHelpers.draggable.restoreScroll("root");
-
+	TestHelpers.draggable.restoreScroll( "root" );
 });
 
-test("{ helper: 'original' }, fixed, with scroll offset on parent", function() {
-
-	expect(3);
+test( "{ helper: 'original' }, fixed, with scroll offset on parent", function() {
+	expect( 3 );
 
-	var el = $("#draggable1").css({ position: "fixed", top: 0, left: 0 }).draggable({ helper: "original" });
+	var element = $( "#draggable1" ).css({ position: "fixed", top: 0, left: 0 }).draggable({ helper: "original" });
 
 	TestHelpers.draggable.setScroll();
-	TestHelpers.draggable.testScroll(el, "relative");
+	TestHelpers.draggable.testScroll( element, "relative" );
 
 	TestHelpers.draggable.setScroll();
-	TestHelpers.draggable.testScroll(el, "static");
+	TestHelpers.draggable.testScroll( element, "static" );
 
 	TestHelpers.draggable.setScroll();
-	TestHelpers.draggable.testScroll(el, "absolute");
+	TestHelpers.draggable.testScroll( element, "absolute" );
 
 	TestHelpers.draggable.restoreScroll();
-
 });
 
-test("{ helper: 'original' }, fixed, with scroll offset on root", function() {
-
-	expect(3);
+test( "{ helper: 'original' }, fixed, with scroll offset on root", function() {
+	expect( 3 );
 
-	var el = $("#draggable1").css({ position: "fixed", top: 0, left: 0 }).draggable({ helper: "original" });
+	var element = $( "#draggable1" ).css({ position: "fixed", top: 0, left: 0 }).draggable({ helper: "original" });
 
-	TestHelpers.draggable.setScroll("root");
-	TestHelpers.draggable.testScroll(el, "relative");
+	TestHelpers.draggable.setScroll( "root" );
+	TestHelpers.draggable.testScroll( element, "relative" );
 
-	TestHelpers.draggable.setScroll("root");
-	TestHelpers.draggable.testScroll(el, "static");
+	TestHelpers.draggable.setScroll( "root" );
+	TestHelpers.draggable.testScroll( element, "static" );
 
-	TestHelpers.draggable.setScroll("root");
-	TestHelpers.draggable.testScroll(el, "absolute");
+	TestHelpers.draggable.setScroll( "root" );
+	TestHelpers.draggable.testScroll( element, "absolute" );
 
-	TestHelpers.draggable.restoreScroll("root");
+	TestHelpers.draggable.restoreScroll( "root" );
 });
 
-test("{ helper: 'original' }, fixed, with scroll offset on root and parent", function() {
-
-	expect(3);
+test( "{ helper: 'original' }, fixed, with scroll offset on root and parent", function() {
+	expect( 3 );
 
-	var el = $("#draggable1").css({ position: "fixed", top: 0, left: 0 }).draggable({ helper: "original" });
+	var element = $( "#draggable1" ).css({ position: "fixed", top: 0, left: 0 }).draggable({ helper: "original" });
 
 	TestHelpers.draggable.setScroll();
-	TestHelpers.draggable.setScroll("root");
-	TestHelpers.draggable.testScroll(el, "relative");
+	TestHelpers.draggable.setScroll( "root" );
+	TestHelpers.draggable.testScroll( element, "relative" );
 
 	TestHelpers.draggable.setScroll();
-	TestHelpers.draggable.setScroll("root");
-	TestHelpers.draggable.testScroll(el, "static");
+	TestHelpers.draggable.setScroll( "root" );
+	TestHelpers.draggable.testScroll( element, "static" );
 
 	TestHelpers.draggable.setScroll();
-	TestHelpers.draggable.setScroll("root");
-	TestHelpers.draggable.testScroll(el, "absolute");
+	TestHelpers.draggable.setScroll( "root" );
+	TestHelpers.draggable.testScroll( element, "absolute" );
 
 	TestHelpers.draggable.restoreScroll();
-	TestHelpers.draggable.restoreScroll("root");
-
+	TestHelpers.draggable.restoreScroll( "root" );
 });
 
-test("{ helper: 'clone' }, absolute", function() {
-
-	expect(1);
+test( "{ helper: 'clone' }, absolute", function() {
+	expect( 1 );
 
 	var helperOffset = null,
-		origOffset = $("#draggable1").offset(),
-		el = $("#draggable1").draggable({ helper: "clone", drag: function(event, ui) {
+		origOffset = $( "#draggable1" ).offset(),
+		element = $( "#draggable1" ).draggable({ helper: "clone", drag: function( event, ui) {
 			helperOffset = ui.helper.offset();
 		} });
 
-	el.simulate( "drag", {
+	element.simulate( "drag", {
 		dx: 1,
 		dy: 1
 	});
-	deepEqual({ top: helperOffset.top-1, left: helperOffset.left-1 }, origOffset, "dragged[1, 1] ");
-
+	deepEqual({ top: helperOffset.top - 1, left: helperOffset.left - 1 }, origOffset, "dragged[1, 1]" );
 });
 
-test("{ helper: 'clone' }, absolute with scroll offset on parent", function() {
-
-	expect(3);
+test( "{ helper: 'clone' }, absolute with scroll offset on parent", function() {
+	expect( 3 );
 
 	TestHelpers.draggable.setScroll();
 	var helperOffset = null,
 		origOffset = null,
-		el = $("#draggable1").draggable({ helper: "clone", drag: function(event, ui) {
-			helperOffset = ui.helper.offset();
-		} });
+		element = $( "#draggable1" ).draggable({
+			helper: "clone",
+			drag: function( event, ui) {
+				helperOffset = ui.helper.offset();
+			}
+		});
 
-	$("#main").css("position", "relative");
-	origOffset = $("#draggable1").offset();
-	el.simulate( "drag", {
+	$( "#main" ).css( "position", "relative" );
+	origOffset = $( "#draggable1" ).offset();
+	element.simulate( "drag", {
 		dx: 1,
 		dy: 1
 	});
-	deepEqual({ top: helperOffset.top-1, left: helperOffset.left-1 }, origOffset, "dragged[1, 1] ");
+	deepEqual({ top: helperOffset.top - 1, left: helperOffset.left - 1 }, origOffset, "dragged[1, 1]" );
 
-	$("#main").css("position", "static");
-	origOffset = $("#draggable1").offset();
-	el.simulate( "drag", {
+	$( "#main" ).css( "position", "static" );
+	origOffset = $( "#draggable1" ).offset();
+	element.simulate( "drag", {
 		dx: 1,
 		dy: 1
 	});
-	deepEqual({ top: helperOffset.top-1, left: helperOffset.left-1 }, origOffset, "dragged[1, 1] ");
+	deepEqual({ top: helperOffset.top - 1, left: helperOffset.left - 1 }, origOffset, "dragged[1, 1]" );
 
-	$("#main").css("position", "absolute");
-	origOffset = $("#draggable1").offset();
-	el.simulate( "drag", {
+	$( "#main" ).css( "position", "absolute" );
+	origOffset = $( "#draggable1" ).offset();
+	element.simulate( "drag", {
 		dx: 1,
 		dy: 1
 	});
-	deepEqual({ top: helperOffset.top-1, left: helperOffset.left-1 }, origOffset, "dragged[1, 1] ");
+	deepEqual({ top: helperOffset.top - 1, left: helperOffset.left - 1 }, origOffset, "dragged[1, 1]" );
 
 	TestHelpers.draggable.restoreScroll();
-
 });
 
-test("{ helper: 'clone' }, absolute with scroll offset on root", function() {
-
-	expect(3);
+test( "{ helper: 'clone' }, absolute with scroll offset on root", function() {
+	expect( 3 );
 
-	TestHelpers.draggable.setScroll("root");
+	TestHelpers.draggable.setScroll( "root" );
 	var helperOffset = null,
 		origOffset = null,
-		el = $("#draggable1").draggable({ helper: "clone", drag: function(event, ui) {
-			helperOffset = ui.helper.offset();
-		} });
+		element = $( "#draggable1" ).draggable({
+			helper: "clone",
+			drag: function( event, ui) {
+				helperOffset = ui.helper.offset();
+			}
+		});
 
-	$("#main").css("position", "relative");
-	origOffset = $("#draggable1").offset();
-	el.simulate( "drag", {
+	$( "#main" ).css( "position", "relative" );
+	origOffset = $( "#draggable1" ).offset();
+	element.simulate( "drag", {
 		dx: 1,
 		dy: 1
 	});
-	deepEqual({ top: helperOffset.top-1, left: helperOffset.left-1 }, origOffset, "dragged[1, 1] ");
+	deepEqual({ top: helperOffset.top - 1, left: helperOffset.left - 1 }, origOffset, "dragged[1, 1]" );
 
-	$("#main").css("position", "static");
-	origOffset = $("#draggable1").offset();
-	el.simulate( "drag", {
+	$( "#main" ).css( "position", "static" );
+	origOffset = $( "#draggable1" ).offset();
+	element.simulate( "drag", {
 		dx: 1,
 		dy: 1
 	});
-	deepEqual({ top: helperOffset.top-1, left: helperOffset.left-1 }, origOffset, "dragged[1, 1] ");
+	deepEqual({ top: helperOffset.top - 1, left: helperOffset.left - 1 }, origOffset, "dragged[1, 1]" );
 
-	$("#main").css("position", "absolute");
-	origOffset = $("#draggable1").offset();
-	el.simulate( "drag", {
+	$( "#main" ).css( "position", "absolute" );
+	origOffset = $( "#draggable1" ).offset();
+	element.simulate( "drag", {
 		dx: 1,
 		dy: 1
 	});
-	deepEqual({ top: helperOffset.top-1, left: helperOffset.left-1 }, origOffset, "dragged[1, 1] ");
-
-	TestHelpers.draggable.restoreScroll("root");
+	deepEqual({ top: helperOffset.top - 1, left: helperOffset.left - 1 }, origOffset, "dragged[1, 1]" );
 
+	TestHelpers.draggable.restoreScroll( "root" );
 });
 
-test("{ helper: 'clone' }, absolute with scroll offset on root and parent", function() {
-
-	expect(3);
+test( "{ helper: 'clone' }, absolute with scroll offset on root and parent", function() {
+	expect( 3 );
 
-	TestHelpers.draggable.setScroll("root");
+	TestHelpers.draggable.setScroll( "root" );
 	TestHelpers.draggable.setScroll();
 
 	var helperOffset = null,
 		origOffset = null,
-		el = $("#draggable1").draggable({ helper: "clone", drag: function(event, ui) {
-			helperOffset = ui.helper.offset();
-		} });
+		element = $( "#draggable1" ).draggable({
+			helper: "clone",
+			drag: function( event, ui) {
+				helperOffset = ui.helper.offset();
+			}
+		});
 
-	$("#main").css("position", "relative");
-	origOffset = $("#draggable1").offset();
-	el.simulate( "drag", {
+	$( "#main" ).css( "position", "relative" );
+	origOffset = $( "#draggable1" ).offset();
+	element.simulate( "drag", {
 		dx: 1,
 		dy: 1
 	});
-	deepEqual({ top: helperOffset.top-1, left: helperOffset.left-1 }, origOffset, "dragged[1, 1] ");
+	deepEqual({ top: helperOffset.top - 1, left: helperOffset.left - 1 }, origOffset, "dragged[1, 1]" );
 
-	$("#main").css("position", "static");
-	origOffset = $("#draggable1").offset();
-	el.simulate( "drag", {
+	$( "#main" ).css( "position", "static" );
+	origOffset = $( "#draggable1" ).offset();
+	element.simulate( "drag", {
 		dx: 1,
 		dy: 1
 	});
-	deepEqual({ top: helperOffset.top-1, left: helperOffset.left-1 }, origOffset, "dragged[1, 1] ");
+	deepEqual({ top: helperOffset.top - 1, left: helperOffset.left - 1 }, origOffset, "dragged[1, 1]" );
 
-	$("#main").css("position", "absolute");
-	origOffset = $("#draggable1").offset();
-	el.simulate( "drag", {
+	$( "#main" ).css( "position", "absolute" );
+	origOffset = $( "#draggable1" ).offset();
+	element.simulate( "drag", {
 		dx: 1,
 		dy: 1
 	});
-	deepEqual({ top: helperOffset.top-1, left: helperOffset.left-1 }, origOffset, "dragged[1, 1] ");
+	deepEqual({ top: helperOffset.top - 1, left: helperOffset.left - 1 }, origOffset, "dragged[1, 1]" );
 
-	TestHelpers.draggable.restoreScroll("root");
+	TestHelpers.draggable.restoreScroll( "root" );
 	TestHelpers.draggable.restoreScroll();
-
 });
 
-test("{ opacity: 0.5 }", function() {
-
-	expect(1);
+test( "{ opacity: 0.5 }", function() {
+	expect( 1 );
 
 	var opacity = null,
-		el = $("#draggable2").draggable({
+		element = $( "#draggable2" ).draggable({
 			opacity: 0.5,
 			start: function() {
-				opacity = $(this).css("opacity");
+				opacity = $(this).css( "opacity" );
 			}
 		});
 
-	el.simulate( "drag", {
+	element.simulate( "drag", {
 		dx: -1,
 		dy: -1
 	});
 
-	equal(opacity, 0.5, "start callback: opacity is");
+	equal( opacity, 0.5, "start callback: opacity is" );
+});
+
+test( "opacity, default, switching after initialization", function() {
+	expect( 3 );
 
+	var opacity = null,
+		element = $( "#draggable2" ).draggable({
+			start: function() {
+				opacity = $(this).css( "opacity" );
+			}
+		});
+
+	TestHelpers.draggable.move( element, 1, 1 );
+	equal( opacity, 1 );
+
+	element.draggable( "option", "opacity", 0.5 );
+	TestHelpers.draggable.move( element, 2, 1 );
+	equal( opacity, 0.5 );
+
+	element.draggable( "option", "opacity", false );
+	TestHelpers.draggable.move( element, 3, 1 );
+	equal( opacity, 1 );
 });
 
-test("{ zIndex: 10 }", function() {
+asyncTest( "revert and revertDuration", function() {
+	expect( 4 );
+
+	var element = $( "#draggable2" ).draggable({
+		revert: true,
+		revertDuration: 0
+	});
+	TestHelpers.draggable.shouldNotMove( element, "revert: true, revertDuration: 0 should revert immediately" );
+
+	$( "#draggable2" ).draggable( "option", "revert", "invalid" );
+	TestHelpers.draggable.shouldNotMove( element, "revert: invalid, revertDuration: 0 should revert immediately" );
+
+	$( "#draggable2" ).draggable( "option", "revert", false );
+	TestHelpers.draggable.shouldMove( element, "revert: false should allow movement" );
+
+	$( "#draggable2" ).draggable( "option", {
+		revert: true,
+		revertDuration: 200,
+		stop: function() {
+			start();
+		}
+	});
+
+	// animation are async, so test for it asynchronously
+	TestHelpers.draggable.move( element, 50, 50 );
+	setTimeout( function() {
+		ok( $( "#draggable2" ).is( ":animated" ), "revert: true with revertDuration should animate" );
+	});
+});
+
+test( "revert: valid", function() {
+	expect( 1 );
+
+	var element = $( "#draggable2" ).draggable({
+			revert: "valid",
+			revertDuration: 0
+		});
+
+	$( "#droppable" ).droppable();
+
+	TestHelpers.draggable.testDrag( element, element, 100, 100, 0, 0, "revert: valid reverts when dropped on a droppable" );
+});
+
+test( "scope", function() {
+	expect( 2 );
+
+	var element = $( "#draggable2" ).draggable({
+		scope: "tasks",
+		revert: "valid",
+		revertDuration: 0
+	});
+
+	$( "#droppable" ).droppable({ scope: "tasks" });
+
+	TestHelpers.draggable.testDrag( element, element, 100, 100, 0, 0, "revert: valid reverts when dropped on a droppable" );
 
-	expect(1);
+	$( "#droppable" ).droppable( "destroy" ).droppable({ scope: "nottasks" });
+
+	TestHelpers.draggable.testDrag( element, element, 100, 100, 100, 100, "revert: valid reverts when dropped on a droppable" );
+});
+
+test( "scroll, scrollSensitivity, and scrollSpeed", function() {
+	expect( 2 );
+
+	var viewportHeight = $( window ).height(),
+		element = $( "#draggable1" ).draggable({ scroll: true }),
+		scrollSensitivity = element.draggable( "option", "scrollSensitivity" ),
+		scrollSpeed = element.draggable( "option", "scrollSpeed" );
+
+	element.offset({
+		top: viewportHeight - scrollSensitivity - 1,
+		left: 1
+	});
+
+	element.simulate( "drag", {
+		dx: 1,
+		y: viewportHeight - scrollSensitivity - 1,
+		moves: 1
+	});
+
+	ok( $( window ).scrollTop() === 0, "scroll: true doesn't scroll when the element is dragged outside of scrollSensitivity" );
+
+	element.draggable( "option", "scrollSensitivity", scrollSensitivity + 10 );
+
+	element.offset({
+		top: viewportHeight - scrollSensitivity - 1,
+		left: 1
+	});
+
+	element.simulate( "drag", {
+		dx: 1,
+		y: viewportHeight - scrollSensitivity - 1,
+		moves: 1
+	});
+
+	ok( $( window ).scrollTop() === scrollSpeed, "scroll: true scrolls when the element is dragged within scrollSensitivity" );
+
+	TestHelpers.draggable.restoreScroll( document );
+});
+
+test( "snap, snapMode, and snapTolerance", function() {
+	expect( 9 );
+
+	var newX, newY,
+		snapTolerance = 15,
+		element = $( "#draggable1" ).draggable({
+			snap: true,
+			snapMode: "both",
+			snapTolerance: snapTolerance
+		}),
+		element2 = $( "#draggable2" ).draggable();
+
+	element.offset({
+		top: 1,
+		left: 1
+	});
+
+	newX = element2.offset().left - element.outerWidth() - snapTolerance - 2;
+	newY = element2.offset().top;
+
+	element.simulate( "drag", {
+		handle: "corner",
+		x: newX,
+		y: newY,
+		moves: 1
+	});
+
+	deepEqual( element.offset(), { top: newY, left: newX }, "doesn't snap outside the snapTolerance" );
+
+	newX += 3;
+
+	element.simulate( "drag", {
+		handle: "corner",
+		x: newX,
+		y: newY,
+		moves: 1
+	});
+
+	notDeepEqual( element.offset(), { top: newY, left: newX }, "snaps inside the snapTolerance" );
+
+	element.draggable( "option", "snap", "#draggable2" );
+
+	element.simulate( "drag", {
+		handle: "corner",
+		x: newX,
+		y: newY,
+		moves: 1
+	});
+
+	notDeepEqual( element.offset(), { top: newY, left: newX }, "snaps based on selector" );
+
+	element.draggable( "option", "snap", "#draggable3" );
+
+	element.simulate( "drag", {
+		handle: "corner",
+		x: newX,
+		y: newY,
+		moves: 1
+	});
+
+	deepEqual( element.offset(), { top: newY, left: newX }, "doesn't snap based on invalid selector" );
+
+	element.draggable( "option", "snap", true );
+	element.draggable( "option", "snapTolerance", snapTolerance - 2 );
+	element.simulate( "drag", {
+		handle: "corner",
+		x: newX,
+		y: newY,
+		moves: 1
+	});
+
+	deepEqual( element.offset(), { top: newY, left: newX }, "doesn't snap outside the modified snapTolerance" );
+
+	element.draggable( "option", "snapTolerance", snapTolerance );
+	element.draggable( "option", "snapMode", "inner" );
+
+	element.simulate( "drag", {
+		handle: "corner",
+		x: newX,
+		y: newY,
+		moves: 1
+	});
+
+	deepEqual( element.offset(), { top: newY, left: newX }, "doesn't snap inside the outer snapTolerance area when snapMode is inner" );
+
+	newX = element2.offset().left - snapTolerance - 1;
+	newY = element2.offset().top;
+
+	element.simulate( "drag", {
+		handle: "corner",
+		x: newX,
+		y: newY,
+		moves: 1
+	});
+
+	deepEqual( element.offset(), { top: newY, left: newX }, "doesn't snap inside the outer snapTolerance area when snapMode is inner" );
+
+	newX++;
+
+	element.simulate( "drag", {
+		handle: "corner",
+		x: newX,
+		y: newY,
+		moves: 1
+	});
+
+	notDeepEqual( element.offset(), { top: newY, left: newX }, "snaps inside the inner snapTolerance area when snapMode is inner" );
+
+	element.draggable( "option", "snapMode", "outer" );
+
+	element.simulate( "drag", {
+		handle: "corner",
+		x: newX,
+		y: newY,
+		moves: 1
+	});
+
+	deepEqual( element.offset(), { top: newY, left: newX }, "doesn't snap on the inner snapTolerance area when snapMode is outer" );
+});
+
+test( "stack", function() {
+	expect( 2 );
+
+	var element = $( "#draggable1" ).draggable({
+			stack: "#draggable1, #draggable2"
+		}),
+		element2 = $( "#draggable2" ).draggable({
+			stack: "#draggable1, #draggable2"
+		});
+
+	TestHelpers.draggable.move( element, 1, 1 );
+	equal( element.css( "zIndex" ), "2", "stack increments zIndex correctly" );
+
+	TestHelpers.draggable.move( element2, 1, 1 );
+	equal( element2.css( "zIndex" ), "3", "stack increments zIndex correctly" );
+});
+
+test( "{ zIndex: 10 }", function() {
+	expect( 1 );
 
 	var actual,
 		expected = 10,
-		el = $("#draggable2").draggable({
+		element = $( "#draggable2" ).draggable({
 			zIndex: expected,
 			start: function() {
-				actual = $(this).css("zIndex");
+				actual = $(this).css( "zIndex" );
 			}
 		});
 
-	el.simulate( "drag", {
+	element.simulate( "drag", {
 		dx: -1,
 		dy: -1
 	});
 
-	equal(actual, expected, "start callback: zIndex is");
+	equal( actual, expected, "start callback: zIndex is" );
 
 });
 
-test( "{ stack }", function() {
-	expect( 4 );
+test( "zIndex, default, switching after initialization", function() {
 
-	var draggable1 = $( "#draggable1" ),
-		draggable2 = $( "#draggable2" ),
-		draggable3 = $( "#draggable3" ),
-		draggable4 = $( "#draggable4" );
+	expect( 3 );
 
-	// Set z-index as an inline style.
-	$( "#draggable1, #draggable2" )
-		.css( "zIndex", 100 )
-		.draggable({
-			stack: "#draggable1, #draggable2"
-		});
-	// Have z-index applied via CSS, see #9077
-	$( "#draggable3, #draggable4" )
-		.draggable({
-			stack: "#draggable3, #draggable4"
+	var zindex = null,
+		element = $( "#draggable2" ).draggable({
+			start: function() {
+				zindex = $(this).css( "z-index" );
+			}
 		});
 
-	draggable1.simulate( "drag", {
-		dx: 1,
-		dy: 1
-	});
-	draggable3.simulate( "drag", {
-		dx: 1,
-		dy: 1
-	});
+	element.css( "z-index", 1 );
+
+	TestHelpers.draggable.move( element, 1, 1 );
+	equal( zindex, 1 );
+
+	element.draggable( "option", "zIndex", 5 );
+	TestHelpers.draggable.move( element, 2, 1 );
+	equal( zindex, 5 );
+
+	element.draggable( "option", "zIndex", false );
+	TestHelpers.draggable.move( element, 3, 1 );
+	equal( zindex, 1 );
 
-	equal( draggable1.css( "zIndex" ), 102);
-	equal( draggable2.css( "zIndex" ), 101);
-	equal( draggable3.css( "zIndex" ), 102);
-	equal( draggable4.css( "zIndex" ), 101);
 });
 
-})(jQuery);
+})( jQuery );