(function() { if ( !jQuery.fn.offset ) { return; } var supportsScroll, supportsFixedPosition, forceScroll = jQuery("
").css({ width: 2000, height: 2000 }), checkSupport = function() { // Only run once checkSupport = false; var checkFixed = jQuery("").css({ position: "fixed", top: "20px" }).appendTo("#qunit-fixture"); // Must append to body because #qunit-fixture is hidden and elements inside it don't have a scrollTop forceScroll.appendTo("body"); window.scrollTo( 200, 200 ); supportsScroll = document.documentElement.scrollTop || document.body.scrollTop; forceScroll.detach(); // Safari subtracts parent border width here (which is 5px) supportsFixedPosition = checkFixed[0].offsetTop === 20 || checkFixed[0].offsetTop === 15; checkFixed.remove(); }; module("offset", { setup: function(){ if ( typeof checkSupport === "function" ) { checkSupport(); } // Force a scroll value on the main window to ensure incorrect results // if offset is using the scroll offset of the parent window forceScroll.appendTo("body"); window.scrollTo( 1, 1 ); forceScroll.detach(); }, teardown: moduleTeardown }); /* Closure-compiler will roll static methods off of the jQuery object and so they will not be passed with the jQuery object across the windows. To differentiate this, the testIframe callbacks use the "$" symbol to refer to the jQuery object passed from the iframe window and the "jQuery" symbol is used to access any static methods. */ test("empty set", function() { expect(2); strictEqual( jQuery().offset(), undefined, "offset() returns undefined for empty set (#11962)" ); strictEqual( jQuery().position(), undefined, "position() returns undefined for empty set (#11962)" ); }); test("object without getBoundingClientRect", function() { expect(2); // Simulates a browser without gBCR on elements, we just want to return 0,0 var result = jQuery({ ownerDocument: document }).offset(); equal( result.top, 0, "Check top" ); equal( result.left, 0, "Check left" ); }); test("disconnected node", function() { expect(2); var result = jQuery( document.createElement("div") ).offset(); equal( result.top, 0, "Check top" ); equal( result.left, 0, "Check left" ); }); testIframe("offset/absolute", "absolute", function($, iframe) { expect(4); var doc = iframe.document, tests; // get offset tests = [ { "id": "#absolute-1", "top": 1, "left": 1 } ]; jQuery.each( tests, function() { equal( jQuery( this["id"], doc ).offset().top, this["top"], "jQuery('" + this["id"] + "').offset().top" ); equal( jQuery( this["id"], doc ).offset().left, this["left"], "jQuery('" + this["id"] + "').offset().left" ); }); // get position tests = [ { "id": "#absolute-1", "top": 0, "left": 0 } ]; jQuery.each( tests, function() { equal( jQuery( this["id"], doc ).position().top, this["top"], "jQuery('" + this["id"] + "').position().top" ); equal( jQuery( this["id"], doc ).position().left, this["left"], "jQuery('" + this["id"] + "').position().left" ); }); }); testIframe("offset/absolute", "absolute", function( $ ) { expect(178); // get offset tests var tests = [ { "id": "#absolute-1", "top": 1, "left": 1 }, { "id": "#absolute-1-1", "top": 5, "left": 5 }, { "id": "#absolute-1-1-1", "top": 9, "left": 9 }, { "id": "#absolute-2", "top": 20, "left": 20 } ]; jQuery.each( tests, function() { equal( $( this["id"] ).offset().top, this["top"], "jQuery('" + this["id"] + "').offset().top" ); equal( $( this["id"] ).offset().left, this["left"], "jQuery('" + this["id"] + "').offset().left" ); }); // get position tests = [ { "id": "#absolute-1", "top": 0, "left": 0 }, { "id": "#absolute-1-1", "top": 1, "left": 1 }, { "id": "#absolute-1-1-1", "top": 1, "left": 1 }, { "id": "#absolute-2", "top": 19, "left": 19 } ]; jQuery.each( tests, function() { equal( $( this["id"] ).position().top, this["top"], "jQuery('" + this["id"] + "').position().top" ); equal( $( this["id"] ).position().left, this["left"], "jQuery('" + this["id"] + "').position().left" ); }); // test #5781 var offset = $( "#positionTest" ).offset({ "top": 10, "left": 10 }).offset(); equal( offset.top, 10, "Setting offset on element with position absolute but 'auto' values." ); equal( offset.left, 10, "Setting offset on element with position absolute but 'auto' values." ); // set offset tests = [ { "id": "#absolute-2", "top": 30, "left": 30 }, { "id": "#absolute-2", "top": 10, "left": 10 }, { "id": "#absolute-2", "top": -1, "left": -1 }, { "id": "#absolute-2", "top": 19, "left": 19 }, { "id": "#absolute-1-1-1", "top": 15, "left": 15 }, { "id": "#absolute-1-1-1", "top": 5, "left": 5 }, { "id": "#absolute-1-1-1", "top": -1, "left": -1 }, { "id": "#absolute-1-1-1", "top": 9, "left": 9 }, { "id": "#absolute-1-1", "top": 10, "left": 10 }, { "id": "#absolute-1-1", "top": 0, "left": 0 }, { "id": "#absolute-1-1", "top": -1, "left": -1 }, { "id": "#absolute-1-1", "top": 5, "left": 5 }, { "id": "#absolute-1", "top": 2, "left": 2 }, { "id": "#absolute-1", "top": 0, "left": 0 }, { "id": "#absolute-1", "top": -1, "left": -1 }, { "id": "#absolute-1", "top": 1, "left": 1 } ]; jQuery.each( tests, function() { $( this["id"] ).offset({ "top": this["top"], "left": this["left"] }); equal( $( this["id"] ).offset().top, this["top"], "jQuery('" + this["id"] + "').offset({ top: " + this["top"] + " })" ); equal( $( this["id"] ).offset().left, this["left"], "jQuery('" + this["id"] + "').offset({ left: " + this["left"] + " })" ); var top = this["top"], left = this["left"]; $( this["id"] ).offset(function(i, val){ equal( val.top, top, "Verify incoming top position." ); equal( val.left, left, "Verify incoming top position." ); return { "top": top + 1, "left": left + 1 }; }); equal( $( this["id"] ).offset().top, this["top"] + 1, "jQuery('" + this["id"] + "').offset({ top: " + (this["top"] + 1) + " })" ); equal( $( this["id"] ).offset().left, this["left"] + 1, "jQuery('" + this["id"] + "').offset({ left: " + (this["left"] + 1) + " })" ); $( this["id"] ) .offset({ "left": this["left"] + 2 }) .offset({ "top": this["top"] + 2 }); equal( $( this["id"] ).offset().top, this["top"] + 2, "Setting one property at a time." ); equal( $( this["id"] ).offset().left, this["left"] + 2, "Setting one property at a time." ); $( this["id"] ).offset({ "top": this["top"], "left": this["left"], "using": function( props ) { $( this ).css({ "top": props.top + 1, "left": props.left + 1 }); }}); equal( $( this["id"] ).offset().top, this["top"] + 1, "jQuery('" + this["id"] + "').offset({ top: " + (this["top"] + 1) + ", using: fn })" ); equal( $( this["id"] ).offset().left, this["left"] + 1, "jQuery('" + this["id"] + "').offset({ left: " + (this["left"] + 1) + ", using: fn })" ); }); }); testIframe("offset/relative", "relative", function( $ ) { expect(60); // IE is collapsing the top margin of 1px; detect and adjust accordingly var ie = $("#relative-1").offset().top === 6; // get offset var tests = [ { "id": "#relative-1", "top": ie ? 6 : 7, "left": 7 }, { "id": "#relative-1-1", "top": ie ? 13 : 15, "left": 15 }, { "id": "#relative-2", "top": ie ? 141 : 142, "left": 27 } ]; jQuery.each( tests, function() { equal( $( this["id"] ).offset().top, this["top"], "jQuery('" + this["id"] + "').offset().top" ); equal( $( this["id"] ).offset().left, this["left"], "jQuery('" + this["id"] + "').offset().left" ); }); // get position tests = [ { "id": "#relative-1", "top": ie ? 5 : 6, "left": 6 }, { "id": "#relative-1-1", "top": ie ? 4 : 5, "left": 5 }, { "id": "#relative-2", "top": ie ? 140 : 141, "left": 26 } ]; jQuery.each( tests, function() { equal( $( this["id"] ).position().top, this["top"], "jQuery('" + this["id"] + "').position().top" ); equal( $( this["id"] ).position().left, this["left"], "jQuery('" + this["id"] + "').position().left" ); }); // set offset tests = [ { "id": "#relative-2", "top": 200, "left": 50 }, { "id": "#relative-2", "top": 100, "left": 10 }, { "id": "#relative-2", "top": -5, "left": -5 }, { "id": "#relative-2", "top": 142, "left": 27 }, { "id": "#relative-1-1", "top": 100, "left": 100 }, { "id": "#relative-1-1", "top": 5, "left": 5 }, { "id": "#relative-1-1", "top": -1, "left": -1 }, { "id": "#relative-1-1", "top": 15, "left": 15 }, { "id": "#relative-1", "top": 100, "left": 100 }, { "id": "#relative-1", "top": 0, "left": 0 }, { "id": "#relative-1", "top": -1, "left": -1 }, { "id": "#relative-1", "top": 7, "left": 7 } ]; jQuery.each( tests, function() { $( this["id"] ).offset({ "top": this["top"], "left": this["left"] }); equal( $( this["id"] ).offset().top, this["top"], "jQuery('" + this["id"] + "').offset({ top: " + this["top"] + " })" ); equal( $( this["id"] ).offset().left, this["left"], "jQuery('" + this["id"] + "').offset({ left: " + this["left"] + " })" ); $( this["id"] ).offset({ "top": this["top"], "left": this["left"], "using": function( props ) { $( this ).css({ "top": props.top + 1, "left": props.left + 1 }); }}); equal( $( this["id"] ).offset().top, this["top"] + 1, "jQuery('" + this["id"] + "').offset({ top: " + (this["top"] + 1) + ", using: fn })" ); equal( $( this["id"] ).offset().left, this["left"] + 1, "jQuery('" + this["id"] + "').offset({ left: " + (this["left"] + 1) + ", using: fn })" ); }); }); testIframe("offset/static", "static", function( $ ) { // IE is collapsing the top margin of 1px; detect and adjust accordingly var ie = $("#static-1").offset().top === 6; expect( 80 ); // get offset var tests = [ { "id": "#static-1", "top": ie ? 6 : 7, "left": 7 }, { "id": "#static-1-1", "top": ie ? 13 : 15, "left": 15 }, { "id": "#static-1-1-1", "top": ie ? 20 : 23, "left": 23 }, { "id": "#static-2", "top": ie ? 121 : 122, left: 7 } ]; jQuery.each( tests, function() { equal( $( this["id"] ).offset().top, this["top"], "jQuery('" + this["id"] + "').offset().top" ); equal( $( this["id"] ).offset().left, this["left"], "jQuery('" + this["id"] + "').offset().left" ); }); // get position tests = [ { "id": "#static-1", "top": ie ? 5 : 6, "left": 6 }, { "id": "#static-1-1", "top": ie ? 12 : 14, "left": 14 }, { "id": "#static-1-1-1", "top": ie ? 19 : 22, "left": 22 }, { "id": "#static-2", "top": ie ? 120 : 121, "left": 6 } ]; jQuery.each( tests, function() { equal( $( this["id"] ).position().top, this["top"], "jQuery('" + this["top"] + "').position().top" ); equal( $( this["id"] ).position().left, this["left"], "jQuery('" + this["left"] +"').position().left" ); }); // set offset tests = [ { "id": "#static-2", "top": 200, "left": 200 }, { "id": "#static-2", "top": 100, "left": 100 }, { "id": "#static-2", "top": -2, "left": -2 }, { "id": "#static-2", "top": 121, "left": 6 }, { "id": "#static-1-1-1", "top": 50, "left": 50 }, { "id": "#static-1-1-1", "top": 10, "left": 10 }, { "id": "#static-1-1-1", "top": -1, "left": -1 }, { "id": "#static-1-1-1", "top": 22, "left": 22 }, { "id": "#static-1-1", "top": 25, "left": 25 }, { "id": "#static-1-1", "top": 10, "left": 10 }, { "id": "#static-1-1", "top": -3, "left": -3 }, { "id": "#static-1-1", "top": 14, "left": 14 }, { "id": "#static-1", "top": 30, "left": 30 }, { "id": "#static-1", "top": 2, "left": 2 }, { "id": "#static-1", "top": -2, "left": -2 }, { "id": "#static-1", "top": 7, "left": 7 } ]; jQuery.each( tests, function() { $( this["id"] ).offset({ "top": this["top"], "left": this["left"] }); equal( $( this["id"] ).offset().top, this["top"], "jQuery('" + this["id"] + "').offset({ top: " + this["top"] + " })" ); equal( $( this["id"] ).offset().left, this["left"], "jQuery('" + this["id"] + "').offset({ left: " + this["left"] + " })" ); $( this["id"] ).offset({ "top": this["top"], "left": this["left"], "using": function( props ) { $( this ).css({ "top": props.top + 1, "left": props.left + 1 }); }}); equal( $( this["id"] ).offset().top, this["top"] + 1, "jQuery('" + this["id"] + "').offset({ top: " + (this["top"] + 1) + ", using: fn })" ); equal( $( this["id"] ).offset().left, this["left"] + 1, "jQuery('" + this["id"] + "').offset({ left: " + (this["left"] + 1) + ", using: fn })" ); }); }); testIframe("offset/fixed", "fixed", function( $ ) { // IE is collapsing the top margin of 1px; detect and adjust accordingly var ie = $("#fixed-1").position().top === 2; expect(34); var tests = [ { "id": "#fixed-1", "offsetTop": 1001, "offsetLeft": 1001, "positionTop": ie ? 2 : 0, "positionLeft": ie ? 2 : 0 }, { "id": "#fixed-2", "offsetTop": 1021, "offsetLeft": 1021, "positionTop": ie ? 22 : 20, "positionLeft": ie ? 22 : 20 } ]; jQuery.each( tests, function() { if ( !window.supportsScroll ) { ok( true, "Browser doesn't support scroll position." ); ok( true, "Browser doesn't support scroll position." ); ok( true, "Browser doesn't support scroll position." ); ok( true, "Browser doesn't support scroll position." ); } else if ( window.supportsFixedPosition ) { equal( $( this["id"] ).offset().top, this["offsetTop"], "jQuery('" + this["id"] + "').offset().top" ); equal( $( this["id"] ).position().top, this["positionTop"], "jQuery('" + this["id"] + "').position().top" ); equal( $( this["id"] ).offset().left, this["offsetLeft"], "jQuery('" + this["id"] + "').offset().left" ); equal( $( this["id"] ).position().left, this["positionLeft"], "jQuery('" + this["id"] + "').position().left" ); } else { // need to have same number of assertions ok( true, "Fixed position is not supported" ); ok( true, "Fixed position is not supported" ); ok( true, "Fixed position is not supported" ); ok( true, "Fixed position is not supported" ); } }); tests = [ { "id": "#fixed-1", "top": 100, "left": 100 }, { "id": "#fixed-1", "top": 0, "left": 0 }, { "id": "#fixed-1", "top": -4, "left": -4 }, { "id": "#fixed-2", "top": 200, "left": 200 }, { "id": "#fixed-2", "top": 0, "left": 0 }, { "id": "#fixed-2", "top": -5, "left": -5 } ]; jQuery.each( tests, function() { if ( window.supportsFixedPosition ) { $( this["id"] ).offset({ "top": this["top"], "left": this["left"] }); equal( $( this["id"] ).offset().top, this["top"], "jQuery('" + this["id"] + "').offset({ top: " + this["top"] + " })" ); equal( $( this["id"] ).offset().left, this["left"], "jQuery('" + this["id"] + "').offset({ left: " + this["left"] + " })" ); $( this["id"] ).offset({ "top": this["top"], "left": this["left"], "using": function( props ) { $( this ).css({ "top": props.top + 1, "left": props.left + 1 }); }}); equal( $( this["id"] ).offset().top, this["top"] + 1, "jQuery('" + this["id"] + "').offset({ top: " + (this["top"] + 1) + ", using: fn })" ); equal( $( this["id"] ).offset().left, this["left"] + 1, "jQuery('" + this["id"] + "').offset({ left: " + (this["left"] + 1) + ", using: fn })" ); } else { // need to have same number of assertions ok( true, "Fixed position is not supported" ); ok( true, "Fixed position is not supported" ); ok( true, "Fixed position is not supported" ); ok( true, "Fixed position is not supported" ); } }); // Bug 8316 var $noTopLeft = $("#fixed-no-top-left"); if ( window.supportsFixedPosition ) { equal( $noTopLeft.offset().top, 1007, "Check offset top for fixed element with no top set" ); equal( $noTopLeft.offset().left, 1007, "Check offset left for fixed element with no left set" ); } else { // need to have same number of assertions ok( true, "Fixed position is not supported" ); ok( true, "Fixed position is not supported" ); } }); testIframe("offset/table", "table", function( $ ) { expect(4); equal( $("#table-1").offset().top, 6, "jQuery('#table-1').offset().top" ); equal( $("#table-1").offset().left, 6, "jQuery('#table-1').offset().left" ); equal( $("#th-1").offset().top, 10, "jQuery('#th-1').offset().top" ); equal( $("#th-1").offset().left, 10, "jQuery('#th-1').offset().left" ); }); testIframe("offset/scroll", "scroll", function( $, win ) { expect(24); // IE is collapsing the top margin of 1px; detect and adjust accordingly var ie = $("#scroll-1").offset().top == 6; // IE is collapsing the top margin of 1px equal( $("#scroll-1").offset().top, ie ? 6 : 7, "jQuery('#scroll-1').offset().top" ); equal( $("#scroll-1").offset().left, 7, "jQuery('#scroll-1').offset().left" ); // IE is collapsing the top margin of 1px equal( $("#scroll-1-1").offset().top, ie ? 9 : 11, "jQuery('#scroll-1-1').offset().top" ); equal( $("#scroll-1-1").offset().left, 11, "jQuery('#scroll-1-1').offset().left" ); // scroll offset tests .scrollTop/Left equal( $("#scroll-1").scrollTop(), 5, "jQuery('#scroll-1').scrollTop()" ); equal( $("#scroll-1").scrollLeft(), 5, "jQuery('#scroll-1').scrollLeft()" ); equal( $("#scroll-1-1").scrollTop(), 0, "jQuery('#scroll-1-1').scrollTop()" ); equal( $("#scroll-1-1").scrollLeft(), 0, "jQuery('#scroll-1-1').scrollLeft()" ); // scroll method chaining equal( $("#scroll-1").scrollTop(undefined).scrollTop(), 5, ".scrollTop(undefined) is chainable (#5571)" ); equal( $("#scroll-1").scrollLeft(undefined).scrollLeft(), 5, ".scrollLeft(undefined) is chainable (#5571)" ); win.name = "test"; if ( !window.supportsScroll ) { ok( true, "Browser doesn't support scroll position." ); ok( true, "Browser doesn't support scroll position." ); ok( true, "Browser doesn't support scroll position." ); ok( true, "Browser doesn't support scroll position." ); } else { equal( $(win).scrollTop(), 1000, "jQuery(window).scrollTop()" ); equal( $(win).scrollLeft(), 1000, "jQuery(window).scrollLeft()" ); equal( $(win.document).scrollTop(), 1000, "jQuery(document).scrollTop()" ); equal( $(win.document).scrollLeft(), 1000, "jQuery(document).scrollLeft()" ); } // test jQuery using parent window/document // jQuery reference here is in the iframe window.scrollTo(0,0); equal( $(window).scrollTop(), 0, "jQuery(window).scrollTop() other window" ); equal( $(window).scrollLeft(), 0, "jQuery(window).scrollLeft() other window" ); equal( $(document).scrollTop(), 0, "jQuery(window).scrollTop() other document" ); equal( $(document).scrollLeft(), 0, "jQuery(window).scrollLeft() other document" ); // Tests scrollTop/Left with empty jquery objects notEqual( $().scrollTop(100), null, "jQuery().scrollTop(100) testing setter on empty jquery object" ); notEqual( $().scrollLeft(100), null, "jQuery().scrollLeft(100) testing setter on empty jquery object" ); notEqual( $().scrollTop(null), null, "jQuery().scrollTop(null) testing setter on empty jquery object" ); notEqual( $().scrollLeft(null), null, "jQuery().scrollLeft(null) testing setter on empty jquery object" ); strictEqual( $().scrollTop(), null, "jQuery().scrollTop(100) testing setter on empty jquery object" ); strictEqual( $().scrollLeft(), null, "jQuery().scrollLeft(100) testing setter on empty jquery object" ); }); testIframe("offset/body", "body", function( $ ) { expect(4); equal( $("body").offset().top, 1, "jQuery('#body').offset().top" ); equal( $("body").offset().left, 1, "jQuery('#body').offset().left" ); equal( $("#firstElement").position().left, 5, "$('#firstElement').position().left" ); equal( $("#firstElement").position().top, 5, "$('#firstElement').position().top" ); }); test("chaining", function() { expect(3); var coords = { "top": 1, "left": 1 }; equal( jQuery("#absolute-1").offset(coords).selector, "#absolute-1", "offset(coords) returns jQuery object" ); equal( jQuery("#non-existent").offset(coords).selector, "#non-existent", "offset(coords) with empty jQuery set returns jQuery object" ); equal( jQuery("#absolute-1").offset(undefined).selector, "#absolute-1", "offset(undefined) returns jQuery object (#5571)" ); }); test("offsetParent", function(){ expect(13); var body = jQuery("body").offsetParent(); equal( body.length, 1, "Only one offsetParent found." ); equal( body[0], document.documentElement, "The html element is the offsetParent of the body." ); var header = jQuery("#qunit-header").offsetParent(); equal( header.length, 1, "Only one offsetParent found." ); equal( header[0], document.documentElement, "The html element is the offsetParent of the body." ); var div = jQuery("#nothiddendivchild").offsetParent(); equal( div.length, 1, "Only one offsetParent found." ); equal( div[0], document.documentElement, "The html element is the offsetParent of the body." ); jQuery("#nothiddendiv").css("position", "relative"); div = jQuery("#nothiddendivchild").offsetParent(); equal( div.length, 1, "Only one offsetParent found." ); equal( div[0], jQuery("#nothiddendiv")[0], "The div is the offsetParent." ); div = jQuery("body, #nothiddendivchild").offsetParent(); equal( div.length, 2, "Two offsetParent found." ); equal( div[0], document.documentElement, "The html element is the offsetParent of the body." ); equal( div[1], jQuery("#nothiddendiv")[0], "The div is the offsetParent." ); var area = jQuery("#imgmap area").offsetParent(); equal( area[0], document.documentElement, "The html element is the offsetParent of the body." ); div = jQuery("