module("offset", { teardown: moduleTeardown }); test("disconnected node", function() { expect(2); var result = jQuery( document.createElement("div") ).offset(); equals( result.top, 0, "Check top" ); equals( result.left, 0, "Check left" ); }); var supportsScroll = false; testoffset("absolute"/* in iframe */, function($, iframe) { expect(4); var doc = iframe.document, tests; // force a scroll value on the main window // this insures that the results will be wrong // if the offset method is using the scroll offset // of the parent window var forceScroll = jQuery('
', { width: 2000, height: 2000 }).appendTo('body'); window.scrollTo(200, 200); if ( document.documentElement.scrollTop || document.body.scrollTop ) { supportsScroll = true; } window.scrollTo(1, 1); // get offset tests = [ { id: '#absolute-1', top: 1, left: 1 } ]; jQuery.each( tests, function() { equals( jQuery( this.id, doc ).offset().top, this.top, "jQuery('" + this.id + "').offset().top" ); equals( 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() { equals( jQuery( this.id, doc ).position().top, this.top, "jQuery('" + this.id + "').position().top" ); equals( jQuery( this.id, doc ).position().left, this.left, "jQuery('" + this.id + "').position().left" ); }); forceScroll.remove(); }); testoffset("absolute", function( jQuery ) { 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() { equals( jQuery( this.id ).offset().top, this.top, "jQuery('" + this.id + "').offset().top" ); equals( jQuery( 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() { equals( jQuery( this.id ).position().top, this.top, "jQuery('" + this.id + "').position().top" ); equals( jQuery( this.id ).position().left, this.left, "jQuery('" + this.id + "').position().left" ); }); // test #5781 var offset = jQuery( '#positionTest' ).offset({ top: 10, left: 10 }).offset(); equals( offset.top, 10, "Setting offset on element with position absolute but 'auto' values." ) equals( 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() { jQuery( this.id ).offset({ top: this.top, left: this.left }); equals( jQuery( this.id ).offset().top, this.top, "jQuery('" + this.id + "').offset({ top: " + this.top + " })" ); equals( jQuery( this.id ).offset().left, this.left, "jQuery('" + this.id + "').offset({ left: " + this.left + " })" ); var top = this.top, left = this.left; jQuery( this.id ).offset(function(i, val){ equals( val.top, top, "Verify incoming top position." ); equals( val.left, left, "Verify incoming top position." ); return { top: top + 1, left: left + 1 }; }); equals( jQuery( this.id ).offset().top, this.top + 1, "jQuery('" + this.id + "').offset({ top: " + (this.top + 1) + " })" ); equals( jQuery( this.id ).offset().left, this.left + 1, "jQuery('" + this.id + "').offset({ left: " + (this.left + 1) + " })" ); jQuery( this.id ) .offset({ left: this.left + 2 }) .offset({ top: this.top + 2 }); equals( jQuery( this.id ).offset().top, this.top + 2, "Setting one property at a time." ); equals( jQuery( this.id ).offset().left, this.left + 2, "Setting one property at a time." ); jQuery( this.id ).offset({ top: this.top, left: this.left, using: function( props ) { jQuery( this ).css({ top: props.top + 1, left: props.left + 1 }); }}); equals( jQuery( this.id ).offset().top, this.top + 1, "jQuery('" + this.id + "').offset({ top: " + (this.top + 1) + ", using: fn })" ); equals( jQuery( this.id ).offset().left, this.left + 1, "jQuery('" + this.id + "').offset({ left: " + (this.left + 1) + ", using: fn })" ); }); }); testoffset("relative", function( jQuery ) { expect(60); // IE is collapsing the top margin of 1px var ie = jQuery.browser.msie && parseInt( jQuery.browser.version, 10 ) < 8; // 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() { equals( jQuery( this.id ).offset().top, this.top, "jQuery('" + this.id + "').offset().top" ); equals( jQuery( 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() { equals( jQuery( this.id ).position().top, this.top, "jQuery('" + this.id + "').position().top" ); equals( jQuery( 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() { jQuery( this.id ).offset({ top: this.top, left: this.left }); equals( jQuery( this.id ).offset().top, this.top, "jQuery('" + this.id + "').offset({ top: " + this.top + " })" ); equals( jQuery( this.id ).offset().left, this.left, "jQuery('" + this.id + "').offset({ left: " + this.left + " })" ); jQuery( this.id ).offset({ top: this.top, left: this.left, using: function( props ) { jQuery( this ).css({ top: props.top + 1, left: props.left + 1 }); }}); equals( jQuery( this.id ).offset().top, this.top + 1, "jQuery('" + this.id + "').offset({ top: " + (this.top + 1) + ", using: fn })" ); equals( jQuery( this.id ).offset().left, this.left + 1, "jQuery('" + this.id + "').offset({ left: " + (this.left + 1) + ", using: fn })" ); }); }); testoffset("static", function( jQuery ) { expect(80); // IE is collapsing the top margin of 1px var ie = jQuery.browser.msie && parseInt( jQuery.browser.version, 10 ) < 8; // 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() { equals( jQuery( this.id ).offset().top, this.top, "jQuery('" + this.id + "').offset().top" ); equals( jQuery( 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() { equals( jQuery( this.id ).position().top, this.top, "jQuery('" + this.top + "').position().top" ); equals( jQuery( 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() { jQuery( this.id ).offset({ top: this.top, left: this.left }); equals( jQuery( this.id ).offset().top, this.top, "jQuery('" + this.id + "').offset({ top: " + this.top + " })" ); equals( jQuery( this.id ).offset().left, this.left, "jQuery('" + this.id + "').offset({ left: " + this.left + " })" ); jQuery( this.id ).offset({ top: this.top, left: this.left, using: function( props ) { jQuery( this ).css({ top: props.top + 1, left: props.left + 1 }); }}); equals( jQuery( this.id ).offset().top, this.top + 1, "jQuery('" + this.id + "').offset({ top: " + (this.top + 1) + ", using: fn })" ); equals( jQuery( this.id ).offset().left, this.left + 1, "jQuery('" + this.id + "').offset({ left: " + (this.left + 1) + ", using: fn })" ); }); }); testoffset("fixed", function( jQuery ) { expect(30); jQuery.offset.initialize(); var tests = [ { id: '#fixed-1', top: 1001, left: 1001 }, { id: '#fixed-2', top: 1021, left: 1021 } ]; jQuery.each( tests, function() { if ( !supportsScroll ) { ok( true, "Browser doesn't support scroll position." ); ok( true, "Browser doesn't support scroll position." ); } else if ( jQuery.offset.supportsFixedPosition ) { equals( jQuery( this.id ).offset().top, this.top, "jQuery('" + this.id + "').offset().top" ); equals( jQuery( this.id ).offset().left, this.left, "jQuery('" + this.id + "').offset().left" ); } else { // need to have same number of assertions 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 ( jQuery.offset.supportsFixedPosition ) { jQuery( this.id ).offset({ top: this.top, left: this.left }); equals( jQuery( this.id ).offset().top, this.top, "jQuery('" + this.id + "').offset({ top: " + this.top + " })" ); equals( jQuery( this.id ).offset().left, this.left, "jQuery('" + this.id + "').offset({ left: " + this.left + " })" ); jQuery( this.id ).offset({ top: this.top, left: this.left, using: function( props ) { jQuery( this ).css({ top: props.top + 1, left: props.left + 1 }); }}); equals( jQuery( this.id ).offset().top, this.top + 1, "jQuery('" + this.id + "').offset({ top: " + (this.top + 1) + ", using: fn })" ); equals( jQuery( 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 = jQuery('#fixed-no-top-left'); if ( jQuery.offset.supportsFixedPosition ) { equals( $noTopLeft.offset().top, 1007, "Check offset top for fixed element with no top set" ); equals( $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' ); } }); testoffset("table", function( jQuery ) { expect(4); equals( jQuery('#table-1').offset().top, 6, "jQuery('#table-1').offset().top" ); equals( jQuery('#table-1').offset().left, 6, "jQuery('#table-1').offset().left" ); equals( jQuery('#th-1').offset().top, 10, "jQuery('#th-1').offset().top" ); equals( jQuery('#th-1').offset().left, 10, "jQuery('#th-1').offset().left" ); }); testoffset("scroll", function( jQuery, win ) { expect(16); var ie = jQuery.browser.msie && parseInt( jQuery.browser.version, 10 ) < 8; // IE is collapsing the top margin of 1px equals( jQuery('#scroll-1').offset().top, ie ? 6 : 7, "jQuery('#scroll-1').offset().top" ); equals( jQuery('#scroll-1').offset().left, 7, "jQuery('#scroll-1').offset().left" ); // IE is collapsing the top margin of 1px equals( jQuery('#scroll-1-1').offset().top, ie ? 9 : 11, "jQuery('#scroll-1-1').offset().top" ); equals( jQuery('#scroll-1-1').offset().left, 11, "jQuery('#scroll-1-1').offset().left" ); // scroll offset tests .scrollTop/Left equals( jQuery('#scroll-1').scrollTop(), 5, "jQuery('#scroll-1').scrollTop()" ); equals( jQuery('#scroll-1').scrollLeft(), 5, "jQuery('#scroll-1').scrollLeft()" ); equals( jQuery('#scroll-1-1').scrollTop(), 0, "jQuery('#scroll-1-1').scrollTop()" ); equals( jQuery('#scroll-1-1').scrollLeft(), 0, "jQuery('#scroll-1-1').scrollLeft()" ); // equals( jQuery('body').scrollTop(), 0, "jQuery('body').scrollTop()" ); // equals( jQuery('body').scrollLeft(), 0, "jQuery('body').scrollTop()" ); win.name = "test"; if ( !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 { equals( jQuery(win).scrollTop(), 1000, "jQuery(window).scrollTop()" ); equals( jQuery(win).scrollLeft(), 1000, "jQuery(window).scrollLeft()" ); equals( jQuery(win.document).scrollTop(), 1000, "jQuery(document).scrollTop()" ); equals( jQuery(win.document).scrollLeft(), 1000, "jQuery(document).scrollLeft()" ); } // test jQuery using parent window/document // jQuery reference here is in the iframe window.scrollTo(0,0); equals( jQuery(window).scrollTop(), 0, "jQuery(window).scrollTop() other window" ); equals( jQuery(window).scrollLeft(), 0, "jQuery(window).scrollLeft() other window" ); equals( jQuery(document).scrollTop(), 0, "jQuery(window).scrollTop() other document" ); equals( jQuery(document).scrollLeft(), 0, "jQuery(window).scrollLeft() other document" ); }); testoffset("body", function( jQuery ) { expect(2); equals( jQuery('body').offset().top, 1, "jQuery('#body').offset().top" ); equals( jQuery('body').offset().left, 1, "jQuery('#body').offset().left" ); }); test("Chaining offset(coords) returns jQuery object", function() { expect(2); var coords = { top: 1, left: 1 }; equals( jQuery("#absolute-1").offset(coords).selector, "#absolute-1", "offset(coords) returns jQuery object" ); equals( jQuery("#non-existent").offset(coords).selector, "#non-existent", "offset(coords) with empty jQuery set returns jQuery object" ); }); test("offsetParent", function(){ expect(11); var body = jQuery("body").offsetParent(); equals( body.length, 1, "Only one offsetParent found." ); equals( body[0], document.body, "The body is its own offsetParent." ); var header = jQuery("#qunit-header").offsetParent(); equals( header.length, 1, "Only one offsetParent found." ); equals( header[0], document.body, "The body is the offsetParent." ); var div = jQuery("#nothiddendivchild").offsetParent(); equals( div.length, 1, "Only one offsetParent found." ); equals( div[0], document.body, "The body is the offsetParent." ); jQuery("#nothiddendiv").css("position", "relative"); div = jQuery("#nothiddendivchild").offsetParent(); equals( div.length, 1, "Only one offsetParent found." ); equals( div[0], jQuery("#nothiddendiv")[0], "The div is the offsetParent." ); div = jQuery("body, #nothiddendivchild").offsetParent(); equals( div.length, 2, "Two offsetParent found." ); equals( div[0], document.body, "The body is the offsetParent." ); equals( div[1], jQuery("#nothiddendiv")[0], "The div is the offsetParent." ); }); test("fractions (see #7730 and #7885)", function() { expect(2); jQuery('body').append('
'); var expected = { top: 1000, left: 1000 }; var div = jQuery('#fractions'); div.css({ position: 'absolute', left: '1000.7432222px', top: '1000.532325px', width: 100, height: 100 }); div.offset(expected); var result = div.offset(); equals( result.top, expected.top, "Check top" ); equals( result.left, expected.left, "Check left" ); div.remove(); }); function testoffset(name, fn) { test(name, function() { // pause execution for now stop(); // load fixture in iframe var iframe = loadFixture(), win = iframe.contentWindow, interval = setInterval( function() { if ( win && win.jQuery && win.jQuery.isReady ) { clearInterval( interval ); // continue start(); // call actual tests passing the correct jQuery isntance to use fn.call( this, win.jQuery, win ); document.body.removeChild( iframe ); iframe = null; } }, 15 ); }); function loadFixture() { var src = './data/offset/' + name + '.html?' + parseInt( Math.random()*1000, 10 ), iframe = jQuery('