jquery-ui/tests/draggable.js

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/*
* draggable unit tests
*/
(function($) {
//
// Draggable Test Helper Functions
//
var defaults = {
appendTo: "parent",
axis: false,
cancel: ":input",
connectToSortable: false,
containment: false,
cursor: "default",
cursorAt: null,
delay: 0,
disabled: false,
distance: 1,
grid: false,
handle: false,
helper: "original",
iframeFix: false,
opacity: 1.0,
refreshPositions: false,
revert: false,
revertDuration: 500,
scroll: true,
scrollSensitivity: 20,
scrollSpeed: 20,
scope: "default",
snap: false,
snapMode: "both",
snapTolerance: 20,
stack: false,
zIndex: null
};
var el, offsetBefore, offsetAfter, dragged;
var drag = function(handle, dx, dy) {
var element = el.data("draggable").element;
offsetBefore = el.offset();
$(handle).simulate("drag", {
dx: dx || 0,
dy: dy || 0
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});
dragged = { dx: dx, dy: dy };
offsetAfter = el.offset();
}
var moved = function (dx, dy, msg) {
msg = msg ? msg + "." : "";
var actual = { left: offsetAfter.left, top: offsetAfter.top };
var expected = { left: offsetBefore.left + dx, top: offsetBefore.top + dy };
same(actual, expected, 'dragged[' + dragged.dx + ', ' + dragged.dy + '] ' + msg);
}
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function shouldmove(why) {
drag(el, 50, 50);
moved(50, 50, why);
}
function shouldnotmove(why) {
drag(el, 50, 50);
moved(0, 0, why);
}
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var border = function(el, side) { return parseInt(el.css('border-' + side + '-width')); }
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var margin = function(el, side) { return parseInt(el.css('margin-' + side)); }
// Draggable Tests
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module("draggable");
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test("init", function() {
expect(6);
$("<div></div>").appendTo('body').draggable().remove();
ok(true, '.draggable() called on element');
$([]).draggable();
ok(true, '.draggable() called on empty collection');
$("<div></div>").draggable();
ok(true, '.draggable() called on disconnected DOMElement');
$("<div></div>").draggable().draggable("foo");
ok(true, 'arbitrary method called after init');
$("<div></div>").draggable().data("foo.draggable");
ok(true, 'arbitrary option getter after init');
$("<div></div>").draggable().data("foo.draggable", "bar");
ok(true, 'arbitrary option setter after init');
});
test("destroy", function() {
expect(6);
$("<div></div>").appendTo('body').draggable().draggable("destroy").remove();
ok(true, '.draggable("destroy") called on element');
$([]).draggable().draggable("destroy");
ok(true, '.draggable("destroy") called on empty collection');
$("<div></div>").draggable().draggable("destroy");
ok(true, '.draggable("destroy") called on disconnected DOMElement');
$("<div></div>").draggable().draggable("destroy").draggable("foo");
ok(true, 'arbitrary method called after destroy');
$("<div></div>").draggable().draggable("destroy").data("foo.draggable");
ok(true, 'arbitrary option getter after destroy');
$("<div></div>").draggable().draggable("destroy").data("foo.draggable", "bar");
ok(true, 'arbitrary option setter after destroy');
});
test("enable", function() {
expect(6);
el = $("#draggable2").draggable({ disabled: true });
shouldnotmove('.draggable({ disabled: true })');
el.draggable("enable");
shouldmove('.draggable("enable")');
equals(el.data("disabled.draggable"), false, "disabled.draggable getter");
el.draggable("destroy");
el.draggable({ disabled: true });
shouldnotmove('.draggable({ disabled: true })');
el.data("disabled.draggable", false);
equals(el.data("disabled.draggable"), false, "disabled.draggable setter");
shouldmove('.data("disabled.draggable", false)');
});
test("disable", function() {
expect(6);
el = $("#draggable2").draggable({ disabled: false });
shouldmove('.draggable({ disabled: false })');
el.draggable("disable");
shouldnotmove('.draggable("disable")');
equals(el.data("disabled.draggable"), true, "disabled.draggable getter");
el.draggable("destroy");
el.draggable({ disabled: false });
shouldmove('.draggable({ disabled: false })');
el.data("disabled.draggable", true);
equals(el.data("disabled.draggable"), true, "disabled.draggable setter");
shouldnotmove('.data("disabled.draggable", true)');
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});
test("element types", function() {
var typeNames = ('p,h1,h2,h3,h4,h5,h6,blockquote,ol,ul,dl,div,form'
+ ',table,fieldset,address,ins,del,em,strong,q,cite,dfn,abbr'
+ ',acronym,code,samp,kbd,var,img,object,hr'
+ ',input,button,label,select,iframe').split(',');
$.each(typeNames, function(i) {
var typeName = typeNames[i];
el = $(document.createElement(typeName)).appendTo('body');
(typeName == 'table' && el.append("<tr><td>content</td></tr>"));
el.draggable({ cancel: '' });
drag(el, 50, 50);
moved(50, 50, "&lt;" + typeName + "&gt;");
el.draggable("destroy");
el.remove();
});
});
test("defaults", function() {
el = $('<div></div>').draggable();
$.each(defaults, function(key, val) {
var actual = el.data(key + ".draggable"), expected = val;
same(actual, expected, key);
});
el.remove();
});
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test("No options, relative", function() {
el = $("#draggable1").draggable();
drag(el, 50, 50);
moved(50, 50);
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});
test("No options, absolute", function() {
el = $("#draggable2").draggable();
drag(el, 50, 50);
moved(50, 50);
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});
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module("draggable: Options");
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test("{ axis: false }, default", function() {
el = $("#draggable2").draggable({ axis: false });
drag(el, 50, 50);
moved(50, 50);
});
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test("{ axis: 'x' }", function() {
el = $("#draggable2").draggable({ axis: "x" });
drag(el, 50, 50);
moved(50, 0);
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});
test("{ axis: 'y' }", function() {
el = $("#draggable2").draggable({ axis: "y" });
drag(el, 50, 50);
moved(0, 50);
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});
test("{ axis: ? }, unexpected", function() {
var unexpected = {
"true": true,
"{}": {},
"[]": [],
"null": null,
"undefined": undefined,
"function() {}": function() {}
};
$.each(unexpected, function(key, val) {
el = $("#draggable2").draggable({ axis: val });
drag(el, 50, 50);
moved(50, 50, "axis: " + key);
el.draggable("destroy");
})
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});
test("{ cancel: 'span' }", function() {
el = $("#draggable2").draggable();
drag("#draggable2 span", 50, 50);
moved(50, 50);
el.draggable("destroy");
el = $("#draggable2").draggable({ cancel: 'span' });
drag("#draggable2 span", 50, 50);
moved(0, 0);
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});
test("{ cancel: ? }, unexpected", function() {
var 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;}
};
$.each(unexpected, function(key, val) {
el = $("#draggable2").draggable({ cancel: val });
drag(el, 50, 50);
var expected = [50, 50];
moved(expected[0], expected[1], "cancel: " + key);
el.draggable("destroy");
})
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});
test("{ containment: 'parent' }, relative", function() {
el = $("#draggable1").draggable({ containment: 'parent' });
var p = el.parent(), po = p.offset();
drag(el, -100, -100);
var expected = {
left: po.left + border(p, 'left') + margin(el, 'left'),
top: po.top + border(p, 'top') + margin(el, 'top')
}
same(offsetAfter, expected, 'compare offset to parent');
});
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test("{ containment: 'parent' }, absolute", function() {
el = $("#draggable2").draggable({ containment: 'parent' });
var p = el.parent(), po = p.offset();
drag(el, -100, -100);
var expected = {
left: po.left + border(p, 'left') + margin(el, 'left'),
top: po.top + border(p, 'top') + margin(el, 'top')
}
same(offsetAfter, expected, 'compare offset to parent');
});
test("{ cursor: 'move' }", function() {
function getCursor() { return $("body").css("cursor"); }
expect(2);
var expected = "move", actual, before, after;
el = $("#draggable2").draggable({
cursor: expected,
start: function(event, ui) {
actual = getCursor();
}
});
before = getCursor();
drag("#draggable2", -1, -1);
after = getCursor();
equals(actual, expected, "start callback: cursor '" + expected + "'");
equals(after, before, "after drag: cursor restored");
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});
test("{ cursorAt: { left: -5, top: -5 } }", function() {
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expect(4);
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var dx = -3, dy = -3;
var ox = 5, oy = 5;
var cax = -5, cay = -5;
var actual = null;
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$("#draggable2").draggable({
cursorAt: { left: cax, top: cay },
drag: function(event, ui) {
actual = ui.absolutePosition;
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}
});
var el = $("#draggable2").data("draggable").element;
var before = el.offset();
var pos = { clientX: before.left + ox, clientY: before.top + oy };
$("#draggable2").simulate("mousedown", pos);
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pos = { clientX: pos.clientX + dx, clientY: pos.clientY + dy };
$(document).simulate("mousemove", pos);
$(document).simulate("mousemove", pos);
$("#draggable2").simulate("mouseup", pos);
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var expected = {
left: before.left + ox - cax + dx,
top: before.top + oy - cay + dy
};
equals(actual.left, expected.left, "Absolute: -1px left");
equals(actual.top, expected.top, "Absolute: -1px top");
var actual = null;
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$("#draggable1").draggable({
cursorAt: { left: cax, top: cay },
drag: function(event, ui) {
actual = ui.absolutePosition;
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}
});
var el = $("#draggable2").data("draggable").element;
var before = el.offset();
var pos = { clientX: before.left + ox, clientY: before.top + oy };
$("#draggable2").simulate("mousedown", pos);
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pos = { clientX: pos.clientX + dx, clientY: pos.clientY + dy };
$(document).simulate("mousemove", pos);
$(document).simulate("mousemove", pos);
$("#draggable2").simulate("mouseup", pos);
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var expected = {
left: before.left + ox - cax + dx,
top: before.top + oy - cay + dy
};
equals(actual.left, expected.left, "Relative: -1px left");
equals(actual.top, expected.top, "Relative: -1px top");
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});
test("{ distance: 10 }", function() {
el = $("#draggable2").draggable({ distance: 10 });
drag(el, -9, -9);
moved(0, 0, 'distance not met');
drag(el, -10, -10);
moved(-10, -10, 'distance met');
drag(el, 9, 9);
moved(0, 0, 'distance not met');
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});
test("{ grid: [50, 50] }, relative", function() {
el = $("#draggable1").draggable({ grid: [50, 50] });
drag(el, 24, 24);
moved(0, 0);
drag(el, 26, 25);
moved(50, 50);
});
test("{ grid: [50, 50] }, absolute", function() {
el = $("#draggable2").draggable({ grid: [50, 50] });
drag(el, 24, 24);
moved(0, 0);
drag(el, 26, 25);
moved(50, 50);
});
test("{ handle: 'span' }", function() {
el = $("#draggable2").draggable({ handle: 'span' });
drag("#draggable2 span", 50, 50);
moved(50, 50, "drag span");
drag("#draggable2", 50, 50);
moved(0, 0, "drag element");
});
test("{ helper: 'clone' }, relative", function() {
el = $("#draggable1").draggable({ helper: "clone" });
drag(el, 50, 50);
moved(0, 0);
});
test("{ helper: 'clone' }, absolute", function() {
el = $("#draggable2").draggable({ helper: "clone" });
drag(el, 50, 50);
moved(0, 0);
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});
test("{ opacity: 0.5 }", function() {
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expect(1);
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var opacity = null;
el = $("#draggable2").draggable({
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opacity: 0.5,
start: function(event, ui) {
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opacity = $(this).css("opacity");
}
});
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drag("#draggable2", -1, -1);
equals(opacity, 0.5, "start callback: opacity is");
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});
test("{ zIndex: 10 }", function() {
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expect(1);
var expected = 10, actual;
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var zIndex = null;
el = $("#draggable2").draggable({
zIndex: expected,
start: function(event, ui) {
actual = $(this).css("zIndex");
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}
});
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drag("#draggable2", -1, -1);
equals(actual, expected, "start callback: zIndex is");
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});
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module("draggable: Callbacks");
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test("callbacks occurance count", function() {
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expect(3);
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var start = 0, stop = 0, dragc = 0;
el = $("#draggable2").draggable({
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start: function() { start++; },
drag: function() { dragc++; },
stop: function() { stop++; }
});
drag(el, 10, 10);
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equals(start, 1, "start callback should happen exactly once");
equals(dragc, 3, "drag callback should happen exactly once per mousemove");
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equals(stop, 1, "stop callback should happen exactly once");
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});
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module("draggable: Scroll offsets");
function testScroll(position) {
$("#main").css('position', position);
drag(el, 50, 50);
moved(50, 50, position+' parent');
}
function setScroll(what) {
if(what) {
$(document).scrollTop(100); $(document).scrollLeft(100);
} else {
$("#main")[0].scrollTop = 100; $("#main")[0].scrollLeft = 100;
}
}
function restoreScroll(what) {
if(what) {
$(document).scrollTop(0); $(document).scrollLeft(0);
} else {
$("#main")[0].scrollTop = 0; $("#main")[0].scrollLeft = 0;
}
}
test("{ helper: 'original' }, relative, with scroll offset on parent", function() {
el = $("#draggable1").draggable({ helper: "original" });
setScroll();
testScroll('relative');
setScroll();
testScroll('static');
setScroll();
testScroll('absolute');
restoreScroll();
});
test("{ helper: 'original' }, relative, with scroll offset on root", function() {
el = $("#draggable1").draggable({ helper: "original" });
setScroll('root');
testScroll('relative');
setScroll('root');
testScroll('static');
setScroll('root');
testScroll('absolute');
restoreScroll('root');
});
test("{ helper: 'original' }, relative, with scroll offset on root and parent", function() {
el = $("#draggable1").draggable({ helper: "original" });
setScroll();
setScroll('root');
testScroll('relative');
setScroll();
setScroll('root');
testScroll('static');
setScroll();
setScroll('root');
testScroll('absolute');
restoreScroll();
restoreScroll('root');
});
test("{ helper: 'original' }, absolute, with scroll offset on parent", function() {
el = $("#draggable1").css({ position: 'absolute', top: 0, left: 0 }).draggable({ helper: "original" });
setScroll();
testScroll('relative');
setScroll();
testScroll('static');
setScroll();
testScroll('absolute');
restoreScroll();
});
test("{ helper: 'original' }, absolute, with scroll offset on root", function() {
el = $("#draggable1").css({ position: 'absolute', top: 0, left: 0 }).draggable({ helper: "original" });
setScroll('root');
testScroll('relative');
setScroll('root');
testScroll('static');
setScroll('root');
testScroll('absolute');
restoreScroll('root');
});
test("{ helper: 'original' }, absolute, with scroll offset on root and parent", function() {
el = $("#draggable1").css({ position: 'absolute', top: 0, left: 0 }).draggable({ helper: "original" });
setScroll();
setScroll('root');
testScroll('relative');
setScroll();
setScroll('root');
testScroll('static');
setScroll();
setScroll('root');
testScroll('absolute');
restoreScroll();
restoreScroll('root');
});
//Fixed not for IE < 7
if(!($.browser.msie && $.browser.version < 7)) {
test("{ helper: 'original' }, fixed, with scroll offset on parent", function() {
el = $("#draggable1").css({ position: 'fixed', top: 0, left: 0 }).draggable({ helper: "original" });
setScroll();
testScroll('relative');
setScroll();
testScroll('static');
setScroll();
testScroll('absolute');
restoreScroll();
});
test("{ helper: 'original' }, fixed, with scroll offset on root", function() {
el = $("#draggable1").css({ position: 'fixed', top: 0, left: 0 }).draggable({ helper: "original" });
setScroll('root');
testScroll('relative');
setScroll('root');
testScroll('static');
setScroll('root');
testScroll('absolute');
restoreScroll('root');
});
test("{ helper: 'original' }, fixed, with scroll offset on root and parent", function() {
el = $("#draggable1").css({ position: 'fixed', top: 0, left: 0 }).draggable({ helper: "original" });
setScroll();
setScroll('root');
testScroll('relative');
setScroll();
setScroll('root');
testScroll('static');
setScroll();
setScroll('root');
testScroll('absolute');
restoreScroll();
restoreScroll('root');
});
}
test("{ helper: 'clone' }, absolute", function() {
var helperOffset = null;
var origOffset = $("#draggable1").offset();
el = $("#draggable1").draggable({ helper: "clone", drag: function(event, ui) {
helperOffset = ui.helper.offset();
} });
drag(el, 1, 1);
same({ top: helperOffset.top-1, left: helperOffset.left-1 }, origOffset, 'dragged[' + dragged.dx + ', ' + dragged.dy + '] ');
});
test("{ helper: 'clone' }, absolute with scroll offset on parent", function() {
setScroll();
var helperOffset = null;
var origOffset = null;
el = $("#draggable1").draggable({ helper: "clone", drag: function(event, ui) {
helperOffset = ui.helper.offset();
} });
$("#main").css('position', 'relative');
origOffset = $("#draggable1").offset();
drag(el, 1, 1);
same({ top: helperOffset.top-1, left: helperOffset.left-1 }, origOffset, 'dragged[' + dragged.dx + ', ' + dragged.dy + '] ');
$("#main").css('position', 'static');
origOffset = $("#draggable1").offset();
drag(el, 1, 1);
same({ top: helperOffset.top-1, left: helperOffset.left-1 }, origOffset, 'dragged[' + dragged.dx + ', ' + dragged.dy + '] ');
$("#main").css('position', 'absolute');
origOffset = $("#draggable1").offset();
drag(el, 1, 1);
same({ top: helperOffset.top-1, left: helperOffset.left-1 }, origOffset, 'dragged[' + dragged.dx + ', ' + dragged.dy + '] ');
restoreScroll();
});
test("{ helper: 'clone' }, absolute with scroll offset on root", function() {
setScroll('root');
var helperOffset = null;
var origOffset = null;
el = $("#draggable1").draggable({ helper: "clone", drag: function(event, ui) {
helperOffset = ui.helper.offset();
} });
$("#main").css('position', 'relative');
origOffset = $("#draggable1").offset();
drag(el, 1, 1);
same({ top: helperOffset.top-1, left: helperOffset.left-1 }, origOffset, 'dragged[' + dragged.dx + ', ' + dragged.dy + '] ');
$("#main").css('position', 'static');
origOffset = $("#draggable1").offset();
drag(el, 1, 1);
same({ top: helperOffset.top-1, left: helperOffset.left-1 }, origOffset, 'dragged[' + dragged.dx + ', ' + dragged.dy + '] ');
$("#main").css('position', 'absolute');
origOffset = $("#draggable1").offset();
drag(el, 1, 1);
same({ top: helperOffset.top-1, left: helperOffset.left-1 }, origOffset, 'dragged[' + dragged.dx + ', ' + dragged.dy + '] ');
restoreScroll('root');
});
test("{ helper: 'clone' }, absolute with scroll offset on root and parent", function() {
setScroll('root');
setScroll();
var helperOffset = null;
var origOffset = null;
el = $("#draggable1").draggable({ helper: "clone", drag: function(event, ui) {
helperOffset = ui.helper.offset();
} });
$("#main").css('position', 'relative');
origOffset = $("#draggable1").offset()
drag(el, 1, 1);
same({ top: helperOffset.top-1, left: helperOffset.left-1 }, origOffset, 'dragged[' + dragged.dx + ', ' + dragged.dy + '] ');
$("#main").css('position', 'static');
origOffset = $("#draggable1").offset()
drag(el, 1, 1);
same({ top: helperOffset.top-1, left: helperOffset.left-1 }, origOffset, 'dragged[' + dragged.dx + ', ' + dragged.dy + '] ');
$("#main").css('position', 'absolute');
origOffset = $("#draggable1").offset()
drag(el, 1, 1);
same({ top: helperOffset.top-1, left: helperOffset.left-1 }, origOffset, 'dragged[' + dragged.dx + ', ' + dragged.dy + '] ');
restoreScroll('root');
restoreScroll();
});
module("draggable: behaviour");
test("Events should not be executed on the element if drag is initiated", function() {
//TODO: Implement missing test
});
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module("draggable: Tickets");
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})(jQuery);