mirror of
https://github.com/jquery/jquery.git
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816 lines
33 KiB
JavaScript
816 lines
33 KiB
JavaScript
( function() {
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if ( !jQuery.fn.offset ) {
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return;
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}
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var supportsFixedPosition, supportsScroll, alwaysScrollable,
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forceScroll = supportjQuery( "<div/>" ).css( { width: 2000, height: 2000 } ),
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checkSupport = function( assert ) {
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// Only run once
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checkSupport = false;
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var checkFixed = supportjQuery( "<div/>" )
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.css( { position: "fixed", top: "20px" } )
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.appendTo( "#qunit-fixture" );
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supportsFixedPosition = checkFixed[ 0 ].offsetTop === 20;
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checkFixed.remove();
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// Append forceScroll to the body instead of #qunit-fixture because the latter is hidden
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forceScroll.appendTo( "body" );
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window.scrollTo( 200, 200 );
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supportsScroll = document.documentElement.scrollTop || document.body.scrollTop;
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forceScroll.detach();
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// Support: iOS <=7
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// Hijack the iframe test infrastructure to detect viewport scrollability
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// for pages with position:fixed document element
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var done = assert.async();
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testIframe(
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null,
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"offset/boxes.html",
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function( assert, $, win, doc ) {
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var scrollTop = win.pageYOffset,
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scrollLeft = win.pageXOffset;
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doc.documentElement.style.position = "fixed";
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win.scrollTo( scrollLeft, scrollTop );
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alwaysScrollable = win.pageXOffset !== 0;
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done();
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},
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function mockQUnit_test( _, testCallback ) {
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setTimeout( function() {
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testCallback( assert );
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} );
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}
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);
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};
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QUnit.module( "offset", { setup: function( assert ) {
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if ( typeof checkSupport === "function" ) {
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checkSupport( assert );
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}
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// Force a scroll value on the main window to ensure incorrect results
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// if offset is using the scroll offset of the parent window
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forceScroll.appendTo( "body" );
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window.scrollTo( 1, 1 );
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forceScroll.detach();
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}, teardown: moduleTeardown } );
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QUnit.test( "empty set", function( assert ) {
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assert.expect( 2 );
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assert.strictEqual( jQuery().offset(), undefined, "offset() returns undefined for empty set (#11962)" );
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assert.strictEqual( jQuery().position(), undefined, "position() returns undefined for empty set (#11962)" );
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} );
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QUnit.test( "disconnected element", function( assert ) {
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assert.expect( 3 );
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var result = jQuery( document.createElement( "div" ) ).offset();
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// These tests are solely for master/compat consistency
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// Retrieving offset on disconnected/hidden elements is not officially
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// valid input, but will return zeros for back-compat
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assert.equal( result.top, 0, "Retrieving offset on disconnected elements returns zeros (gh-2310)" );
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assert.equal( result.left, 0, "Retrieving offset on disconnected elements returns zeros (gh-2310)" );
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assert.equal( Object.keys( result ).length, 2, "Retrieving offset on disconnected elements returns offset object (gh-3167)" );
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} );
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QUnit.test( "hidden (display: none) element", function( assert ) {
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assert.expect( 3 );
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var node = jQuery( "<div style='display: none' />" ).appendTo( "#qunit-fixture" ),
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result = node.offset();
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node.remove();
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// These tests are solely for master/compat consistency
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// Retrieving offset on disconnected/hidden elements is not officially
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// valid input, but will return zeros for back-compat
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assert.equal( result.top, 0, "Retrieving offset on hidden elements returns zeros (gh-2310)" );
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assert.equal( result.left, 0, "Retrieving offset on hidden elements returns zeros (gh-2310)" );
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assert.equal( Object.keys( result ).length, 2, "Retrieving offset on hidden elements returns offset object (gh-3167)" );
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} );
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QUnit.test( "0 sized element", function( assert ) {
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assert.expect( 3 );
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var node = jQuery( "<div style='margin: 5px; width: 0; height: 0' />" ).appendTo( "#qunit-fixture" ),
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result = node.offset();
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node.remove();
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assert.notEqual( result.top, 0, "Retrieving offset on 0 sized elements (gh-3167)" );
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assert.notEqual( result.left, 0, "Retrieving offset on 0 sized elements (gh-3167)" );
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assert.equal( Object.keys( result ).length, 2, "Retrieving offset on 0 sized elements returns offset object (gh-3167)" );
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} );
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QUnit.test( "hidden (visibility: hidden) element", function( assert ) {
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assert.expect( 3 );
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var node = jQuery( "<div style='margin: 5px; visibility: hidden' />" ).appendTo( "#qunit-fixture" ),
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result = node.offset();
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node.remove();
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assert.notEqual( result.top, 0, "Retrieving offset on visibility:hidden elements (gh-3167)" );
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assert.notEqual( result.left, 0, "Retrieving offset on visibility:hidden elements (gh-3167)" );
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assert.equal( Object.keys( result ).length, 2, "Retrieving offset on visibility:hidden elements returns offset object (gh-3167)" );
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} );
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testIframe( "absolute", "offset/absolute.html", function( assert, $, iframe ) {
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assert.expect( 4 );
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var doc = iframe.document,
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tests;
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// get offset
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tests = [
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{ "id": "#absolute-1", "top": 1, "left": 1 }
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];
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jQuery.each( tests, function() {
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assert.equal( jQuery( this.id, doc ).offset().top, this.top, "jQuery('" + this.id + "').offset().top" );
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assert.equal( jQuery( this.id, doc ).offset().left, this.left, "jQuery('" + this.id + "').offset().left" );
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} );
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// get position
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tests = [
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{ "id": "#absolute-1", "top": 0, "left": 0 }
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];
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jQuery.each( tests, function() {
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assert.equal( jQuery( this.id, doc ).position().top, this.top, "jQuery('" + this.id + "').position().top" );
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assert.equal( jQuery( this.id, doc ).position().left, this.left, "jQuery('" + this.id + "').position().left" );
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} );
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} );
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testIframe( "absolute", "offset/absolute.html", function( assert, $ ) {
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assert.expect( 178 );
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var tests, offset;
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// get offset tests
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tests = [
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{ "id": "#absolute-1", "top": 1, "left": 1 },
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{ "id": "#absolute-1-1", "top": 5, "left": 5 },
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{ "id": "#absolute-1-1-1", "top": 9, "left": 9 },
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{ "id": "#absolute-2", "top": 20, "left": 20 }
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];
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jQuery.each( tests, function() {
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assert.equal( $( this.id ).offset().top, this.top, "jQuery('" + this.id + "').offset().top" );
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assert.equal( $( this.id ).offset().left, this.left, "jQuery('" + this.id + "').offset().left" );
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} );
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// get position
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tests = [
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{ "id": "#absolute-1", "top": 0, "left": 0 },
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{ "id": "#absolute-1-1", "top": 1, "left": 1 },
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{ "id": "#absolute-1-1-1", "top": 1, "left": 1 },
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{ "id": "#absolute-2", "top": 19, "left": 19 }
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];
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jQuery.each( tests, function() {
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assert.equal( $( this.id ).position().top, this.top, "jQuery('" + this.id + "').position().top" );
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assert.equal( $( this.id ).position().left, this.left, "jQuery('" + this.id + "').position().left" );
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} );
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// test #5781
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offset = $( "#positionTest" ).offset( { "top": 10, "left": 10 } ).offset();
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assert.equal( offset.top, 10, "Setting offset on element with position absolute but 'auto' values." );
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assert.equal( offset.left, 10, "Setting offset on element with position absolute but 'auto' values." );
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// set offset
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tests = [
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{ "id": "#absolute-2", "top": 30, "left": 30 },
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{ "id": "#absolute-2", "top": 10, "left": 10 },
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{ "id": "#absolute-2", "top": -1, "left": -1 },
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{ "id": "#absolute-2", "top": 19, "left": 19 },
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{ "id": "#absolute-1-1-1", "top": 15, "left": 15 },
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{ "id": "#absolute-1-1-1", "top": 5, "left": 5 },
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{ "id": "#absolute-1-1-1", "top": -1, "left": -1 },
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{ "id": "#absolute-1-1-1", "top": 9, "left": 9 },
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{ "id": "#absolute-1-1", "top": 10, "left": 10 },
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{ "id": "#absolute-1-1", "top": 0, "left": 0 },
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{ "id": "#absolute-1-1", "top": -1, "left": -1 },
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{ "id": "#absolute-1-1", "top": 5, "left": 5 },
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{ "id": "#absolute-1", "top": 2, "left": 2 },
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{ "id": "#absolute-1", "top": 0, "left": 0 },
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{ "id": "#absolute-1", "top": -1, "left": -1 },
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{ "id": "#absolute-1", "top": 1, "left": 1 }
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];
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jQuery.each( tests, function() {
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$( this.id ).offset( { "top": this.top, "left": this.left } );
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assert.equal( $( this.id ).offset().top, this.top, "jQuery('" + this.id + "').offset({ top: " + this.top + " })" );
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assert.equal( $( this.id ).offset().left, this.left, "jQuery('" + this.id + "').offset({ left: " + this.left + " })" );
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var top = this.top, left = this.left;
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$( this.id ).offset( function( i, val ) {
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assert.equal( val.top, top, "Verify incoming top position." );
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assert.equal( val.left, left, "Verify incoming top position." );
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return { "top": top + 1, "left": left + 1 };
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} );
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assert.equal( $( this.id ).offset().top, this.top + 1, "jQuery('" + this.id + "').offset({ top: " + ( this.top + 1 ) + " })" );
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assert.equal( $( this.id ).offset().left, this.left + 1, "jQuery('" + this.id + "').offset({ left: " + ( this.left + 1 ) + " })" );
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$( this.id )
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.offset( { "left": this.left + 2 } )
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.offset( { "top": this.top + 2 } );
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assert.equal( $( this.id ).offset().top, this.top + 2, "Setting one property at a time." );
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assert.equal( $( this.id ).offset().left, this.left + 2, "Setting one property at a time." );
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$( this.id ).offset( { "top": this.top, "left": this.left, "using": function( props ) {
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$( this ).css( {
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"top": props.top + 1,
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"left": props.left + 1
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} );
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} } );
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assert.equal( $( this.id ).offset().top, this.top + 1, "jQuery('" + this.id + "').offset({ top: " + ( this.top + 1 ) + ", using: fn })" );
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assert.equal( $( this.id ).offset().left, this.left + 1, "jQuery('" + this.id + "').offset({ left: " + ( this.left + 1 ) + ", using: fn })" );
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} );
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} );
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testIframe( "relative", "offset/relative.html", function( assert, $ ) {
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assert.expect( 64 );
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// get offset
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var tests = [
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{ "id": "#relative-1", "top": 7, "left": 7 },
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{ "id": "#relative-1-1", "top": 15, "left": 15 },
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{ "id": "#relative-2", "top": 142, "left": 27 },
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{ "id": "#relative-2-1", "top": 149, "left": 52 }
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];
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jQuery.each( tests, function() {
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assert.equal( $( this.id ).offset().top, this.top, "jQuery('" + this.id + "').offset().top" );
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assert.equal( $( this.id ).offset().left, this.left, "jQuery('" + this.id + "').offset().left" );
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} );
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// get position
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tests = [
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{ "id": "#relative-1", "top": 6, "left": 6 },
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{ "id": "#relative-1-1", "top": 5, "left": 5 },
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{ "id": "#relative-2", "top": 141, "left": 26 },
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{ "id": "#relative-2-1", "top": 5, "left": 5 }
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];
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jQuery.each( tests, function() {
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assert.equal( $( this.id ).position().top, this.top, "jQuery('" + this.id + "').position().top" );
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assert.equal( $( this.id ).position().left, this.left, "jQuery('" + this.id + "').position().left" );
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} );
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// set offset
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tests = [
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{ "id": "#relative-2", "top": 200, "left": 50 },
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{ "id": "#relative-2", "top": 100, "left": 10 },
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{ "id": "#relative-2", "top": -5, "left": -5 },
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{ "id": "#relative-2", "top": 142, "left": 27 },
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{ "id": "#relative-1-1", "top": 100, "left": 100 },
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{ "id": "#relative-1-1", "top": 5, "left": 5 },
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{ "id": "#relative-1-1", "top": -1, "left": -1 },
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{ "id": "#relative-1-1", "top": 15, "left": 15 },
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{ "id": "#relative-1", "top": 100, "left": 100 },
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{ "id": "#relative-1", "top": 0, "left": 0 },
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{ "id": "#relative-1", "top": -1, "left": -1 },
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{ "id": "#relative-1", "top": 7, "left": 7 }
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];
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jQuery.each( tests, function() {
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$( this.id ).offset( { "top": this.top, "left": this.left } );
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assert.equal( $( this.id ).offset().top, this.top, "jQuery('" + this.id + "').offset({ top: " + this.top + " })" );
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assert.equal( $( this.id ).offset().left, this.left, "jQuery('" + this.id + "').offset({ left: " + this.left + " })" );
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$( this.id ).offset( { "top": this.top, "left": this.left, "using": function( props ) {
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$( this ).css( {
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"top": props.top + 1,
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"left": props.left + 1
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} );
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} } );
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assert.equal( $( this.id ).offset().top, this.top + 1, "jQuery('" + this.id + "').offset({ top: " + ( this.top + 1 ) + ", using: fn })" );
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assert.equal( $( this.id ).offset().left, this.left + 1, "jQuery('" + this.id + "').offset({ left: " + ( this.left + 1 ) + ", using: fn })" );
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} );
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} );
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testIframe( "static", "offset/static.html", function( assert, $ ) {
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assert.expect( 80 );
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// get offset
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var tests = [
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{ "id": "#static-1", "top": 7, "left": 7 },
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{ "id": "#static-1-1", "top": 15, "left": 15 },
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{ "id": "#static-1-1-1", "top": 23, "left": 23 },
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{ "id": "#static-2", "top": 122, left: 7 }
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];
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jQuery.each( tests, function() {
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assert.equal( $( this.id ).offset().top, this.top, "jQuery('" + this.id + "').offset().top" );
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assert.equal( $( this.id ).offset().left, this.left, "jQuery('" + this.id + "').offset().left" );
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} );
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// get position
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tests = [
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{ "id": "#static-1", "top": 6, "left": 6 },
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{ "id": "#static-1-1", "top": 14, "left": 14 },
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{ "id": "#static-1-1-1", "top": 22, "left": 22 },
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{ "id": "#static-2", "top": 121, "left": 6 }
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];
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jQuery.each( tests, function() {
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assert.equal( $( this.id ).position().top, this.top, "jQuery('" + this.top + "').position().top" );
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assert.equal( $( this.id ).position().left, this.left, "jQuery('" + this.left + "').position().left" );
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} );
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// set offset
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tests = [
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{ "id": "#static-2", "top": 200, "left": 200 },
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{ "id": "#static-2", "top": 100, "left": 100 },
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{ "id": "#static-2", "top": -2, "left": -2 },
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{ "id": "#static-2", "top": 121, "left": 6 },
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{ "id": "#static-1-1-1", "top": 50, "left": 50 },
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{ "id": "#static-1-1-1", "top": 10, "left": 10 },
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{ "id": "#static-1-1-1", "top": -1, "left": -1 },
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{ "id": "#static-1-1-1", "top": 22, "left": 22 },
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{ "id": "#static-1-1", "top": 25, "left": 25 },
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{ "id": "#static-1-1", "top": 10, "left": 10 },
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{ "id": "#static-1-1", "top": -3, "left": -3 },
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{ "id": "#static-1-1", "top": 14, "left": 14 },
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{ "id": "#static-1", "top": 30, "left": 30 },
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{ "id": "#static-1", "top": 2, "left": 2 },
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{ "id": "#static-1", "top": -2, "left": -2 },
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{ "id": "#static-1", "top": 7, "left": 7 }
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];
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jQuery.each( tests, function() {
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$( this.id ).offset( { "top": this.top, "left": this.left } );
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assert.equal( $( this.id ).offset().top, this.top, "jQuery('" + this.id + "').offset({ top: " + this.top + " })" );
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assert.equal( $( this.id ).offset().left, this.left, "jQuery('" + this.id + "').offset({ left: " + this.left + " })" );
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$( this.id ).offset( { "top": this.top, "left": this.left, "using": function( props ) {
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$( this ).css( {
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"top": props.top + 1,
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"left": props.left + 1
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} );
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} } );
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assert.equal( $( this.id ).offset().top, this.top + 1, "jQuery('" + this.id + "').offset({ top: " + ( this.top + 1 ) + ", using: fn })" );
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assert.equal( $( this.id ).offset().left, this.left + 1, "jQuery('" + this.id + "').offset({ left: " + ( this.left + 1 ) + ", using: fn })" );
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} );
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} );
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testIframe( "fixed", "offset/fixed.html", function( assert, $, window ) {
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assert.expect( 34 );
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var tests, $noTopLeft;
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tests = [
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{
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"id": "#fixed-1",
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"offsetTop": 1001,
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"offsetLeft": 1001,
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"positionTop": 0,
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"positionLeft": 0
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},
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{
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"id": "#fixed-2",
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"offsetTop": 1021,
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"offsetLeft": 1021,
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"positionTop": 20,
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"positionLeft": 20
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}
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];
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jQuery.each( tests, function() {
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if ( !window.supportsScroll ) {
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assert.ok( true, "Browser doesn't support scroll position." );
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assert.ok( true, "Browser doesn't support scroll position." );
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assert.ok( true, "Browser doesn't support scroll position." );
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assert.ok( true, "Browser doesn't support scroll position." );
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} else if ( window.supportsFixedPosition ) {
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assert.equal( $( this.id ).offset().top, this.offsetTop, "jQuery('" + this.id + "').offset().top" );
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assert.equal( $( this.id ).position().top, this.positionTop, "jQuery('" + this.id + "').position().top" );
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assert.equal( $( this.id ).offset().left, this.offsetLeft, "jQuery('" + this.id + "').offset().left" );
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assert.equal( $( this.id ).position().left, this.positionLeft, "jQuery('" + this.id + "').position().left" );
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} else {
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// need to have same number of assertions
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assert.ok( true, "Fixed position is not supported" );
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assert.ok( true, "Fixed position is not supported" );
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assert.ok( true, "Fixed position is not supported" );
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assert.ok( true, "Fixed position is not supported" );
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}
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} );
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tests = [
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{ "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 } );
|
|
assert.equal( $( this.id ).offset().top, this.top, "jQuery('" + this.id + "').offset({ top: " + this.top + " })" );
|
|
assert.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
|
|
} );
|
|
} } );
|
|
assert.equal( $( this.id ).offset().top, this.top + 1, "jQuery('" + this.id + "').offset({ top: " + ( this.top + 1 ) + ", using: fn })" );
|
|
assert.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
|
|
assert.ok( true, "Fixed position is not supported" );
|
|
assert.ok( true, "Fixed position is not supported" );
|
|
assert.ok( true, "Fixed position is not supported" );
|
|
assert.ok( true, "Fixed position is not supported" );
|
|
}
|
|
} );
|
|
|
|
// Bug 8316
|
|
$noTopLeft = $( "#fixed-no-top-left" );
|
|
if ( window.supportsFixedPosition ) {
|
|
assert.equal( $noTopLeft.offset().top, 1007, "Check offset top for fixed element with no top set" );
|
|
assert.equal( $noTopLeft.offset().left, 1007, "Check offset left for fixed element with no left set" );
|
|
} else {
|
|
|
|
// need to have same number of assertions
|
|
assert.ok( true, "Fixed position is not supported" );
|
|
assert.ok( true, "Fixed position is not supported" );
|
|
}
|
|
} );
|
|
|
|
testIframe( "table", "offset/table.html", function( assert, $ ) {
|
|
assert.expect( 4 );
|
|
|
|
assert.equal( $( "#table-1" ).offset().top, 6, "jQuery('#table-1').offset().top" );
|
|
assert.equal( $( "#table-1" ).offset().left, 6, "jQuery('#table-1').offset().left" );
|
|
|
|
assert.equal( $( "#th-1" ).offset().top, 10, "jQuery('#th-1').offset().top" );
|
|
assert.equal( $( "#th-1" ).offset().left, 10, "jQuery('#th-1').offset().left" );
|
|
} );
|
|
|
|
testIframe( "scroll", "offset/scroll.html", function( assert, $, win ) {
|
|
assert.expect( 26 );
|
|
|
|
assert.equal( $( "#scroll-1" ).offset().top, 7, "jQuery('#scroll-1').offset().top" );
|
|
assert.equal( $( "#scroll-1" ).offset().left, 7, "jQuery('#scroll-1').offset().left" );
|
|
|
|
assert.equal( $( "#scroll-1-1" ).offset().top, 11, "jQuery('#scroll-1-1').offset().top" );
|
|
assert.equal( $( "#scroll-1-1" ).offset().left, 11, "jQuery('#scroll-1-1').offset().left" );
|
|
|
|
// These tests are solely for master/compat consistency
|
|
// Retrieving offset on disconnected/hidden elements is not officially
|
|
// valid input, but will return zeros for back-compat
|
|
assert.equal( $( "#hidden" ).offset().top, 0, "Hidden elements do not subtract scroll" );
|
|
assert.equal( $( "#hidden" ).offset().left, 0, "Hidden elements do not subtract scroll" );
|
|
|
|
// scroll offset tests .scrollTop/Left
|
|
assert.equal( $( "#scroll-1" ).scrollTop(), 5, "jQuery('#scroll-1').scrollTop()" );
|
|
assert.equal( $( "#scroll-1" ).scrollLeft(), 5, "jQuery('#scroll-1').scrollLeft()" );
|
|
|
|
assert.equal( $( "#scroll-1-1" ).scrollTop(), 0, "jQuery('#scroll-1-1').scrollTop()" );
|
|
assert.equal( $( "#scroll-1-1" ).scrollLeft(), 0, "jQuery('#scroll-1-1').scrollLeft()" );
|
|
|
|
// scroll method chaining
|
|
assert.equal( $( "#scroll-1" ).scrollTop( undefined ).scrollTop(), 5, ".scrollTop(undefined) is chainable (#5571)" );
|
|
assert.equal( $( "#scroll-1" ).scrollLeft( undefined ).scrollLeft(), 5, ".scrollLeft(undefined) is chainable (#5571)" );
|
|
|
|
win.name = "test";
|
|
|
|
if ( !window.supportsScroll ) {
|
|
assert.ok( true, "Browser doesn't support scroll position." );
|
|
assert.ok( true, "Browser doesn't support scroll position." );
|
|
|
|
assert.ok( true, "Browser doesn't support scroll position." );
|
|
assert.ok( true, "Browser doesn't support scroll position." );
|
|
} else {
|
|
assert.equal( $( win ).scrollTop(), 1000, "jQuery(window).scrollTop()" );
|
|
assert.equal( $( win ).scrollLeft(), 1000, "jQuery(window).scrollLeft()" );
|
|
|
|
assert.equal( $( win.document ).scrollTop(), 1000, "jQuery(document).scrollTop()" );
|
|
assert.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 );
|
|
assert.equal( $( window ).scrollTop(), 0, "jQuery(window).scrollTop() other window" );
|
|
assert.equal( $( window ).scrollLeft(), 0, "jQuery(window).scrollLeft() other window" );
|
|
assert.equal( $( document ).scrollTop(), 0, "jQuery(window).scrollTop() other document" );
|
|
assert.equal( $( document ).scrollLeft(), 0, "jQuery(window).scrollLeft() other document" );
|
|
|
|
// Tests scrollTop/Left with empty jquery objects
|
|
assert.notEqual( $().scrollTop( 100 ), null, "jQuery().scrollTop(100) testing setter on empty jquery object" );
|
|
assert.notEqual( $().scrollLeft( 100 ), null, "jQuery().scrollLeft(100) testing setter on empty jquery object" );
|
|
assert.notEqual( $().scrollTop( null ), null, "jQuery().scrollTop(null) testing setter on empty jquery object" );
|
|
assert.notEqual( $().scrollLeft( null ), null, "jQuery().scrollLeft(null) testing setter on empty jquery object" );
|
|
assert.strictEqual( $().scrollTop(), undefined, "jQuery().scrollTop() testing getter on empty jquery object" );
|
|
assert.strictEqual( $().scrollLeft(), undefined, "jQuery().scrollLeft() testing getter on empty jquery object" );
|
|
} );
|
|
|
|
testIframe( "body", "offset/body.html", function( assert, $ ) {
|
|
assert.expect( 4 );
|
|
|
|
assert.equal( $( "body" ).offset().top, 1, "jQuery('#body').offset().top" );
|
|
assert.equal( $( "body" ).offset().left, 1, "jQuery('#body').offset().left" );
|
|
assert.equal( $( "#firstElement" ).position().left, 5, "$('#firstElement').position().left" );
|
|
assert.equal( $( "#firstElement" ).position().top, 5, "$('#firstElement').position().top" );
|
|
} );
|
|
|
|
QUnit.test( "chaining", function( assert ) {
|
|
assert.expect( 3 );
|
|
|
|
var coords = { "top": 1, "left": 1 };
|
|
assert.equal( jQuery( "#absolute-1" ).offset( coords ).jquery, jQuery.fn.jquery, "offset(coords) returns jQuery object" );
|
|
assert.equal( jQuery( "#non-existent" ).offset( coords ).jquery, jQuery.fn.jquery, "offset(coords) with empty jQuery set returns jQuery object" );
|
|
assert.equal( jQuery( "#absolute-1" ).offset( undefined ).jquery, jQuery.fn.jquery, "offset(undefined) returns jQuery object (#5571)" );
|
|
} );
|
|
|
|
// Test complex content under a variety of <html>/<body> positioning styles
|
|
( function() {
|
|
var POSITION_VALUES = [ "static", "relative", "absolute", "fixed" ],
|
|
|
|
// Use shorthands for describing an element's relevant properties
|
|
BOX_PROPS =
|
|
( "top left marginTop marginLeft borderTop borderLeft paddingTop paddingLeft" +
|
|
" style parent" ).split( /\s+/g ),
|
|
props = function() {
|
|
var propObj = {};
|
|
supportjQuery.each( arguments, function( i, value ) {
|
|
propObj[ BOX_PROPS[ i ] ] = value;
|
|
} );
|
|
return propObj;
|
|
},
|
|
|
|
// Values must stay synchronized with test/data/offset/boxes.html
|
|
divProps = function( position, parentId ) {
|
|
return props( 8, 4, 16, 8, 4, 2, 32, 16, position, parentId );
|
|
},
|
|
htmlProps = function( position ) {
|
|
return props( position === "static" ? 0 : 4096, position === "static" ? 0 : 2048,
|
|
64, 32, 128, 64, 256, 128, position );
|
|
},
|
|
bodyProps = function( position ) {
|
|
return props( position === "static" ? 0 : 8192, position === "static" ? 0 : 4096,
|
|
512, 256, 1024, 512, 2048, 1024, position,
|
|
position !== "fixed" && "documentElement" );
|
|
};
|
|
|
|
function getExpectations( htmlPos, bodyPos, scrollTop, scrollLeft ) {
|
|
|
|
// Initialize data about page elements
|
|
var expectations = {
|
|
"documentElement": htmlProps( htmlPos ),
|
|
"body": bodyProps( bodyPos ),
|
|
"relative": divProps( "relative", "body" ),
|
|
"relative-relative": divProps( "relative", "relative" ),
|
|
"relative-absolute": divProps( "absolute", "relative" ),
|
|
"absolute": divProps( "absolute", "body" ),
|
|
"absolute-relative": divProps( "relative", "absolute" ),
|
|
"absolute-absolute": divProps( "absolute", "absolute" ),
|
|
"fixed": divProps( "fixed" ),
|
|
"fixed-relative": divProps( "relative", "fixed" ),
|
|
"fixed-absolute": divProps( "absolute", "fixed" )
|
|
};
|
|
|
|
// Define position and offset expectations for page elements
|
|
supportjQuery.each( expectations, function( id, props ) {
|
|
var parent = expectations[ props.parent ],
|
|
|
|
// position() relates an element's margin box to its offset parent's padding box
|
|
pos = props.pos = {
|
|
top: props.top,
|
|
left: props.left
|
|
},
|
|
|
|
// offset() relates an element's border box to the document origin
|
|
offset = props.offset = {
|
|
top: pos.top + props.marginTop,
|
|
left: pos.left + props.marginLeft
|
|
};
|
|
|
|
// Account for ancestors differently by element position
|
|
// fixed: ignore them
|
|
// absolute: offset includes offsetParent offset+border
|
|
// relative: position includes parent padding (and also position+margin+border when
|
|
// parent is not offsetParent); offset includes parent offset+border+padding
|
|
// static: same as relative
|
|
for ( ; parent; parent = expectations[ parent.parent ] ) {
|
|
// position:fixed
|
|
if ( props.style === "fixed" ) {
|
|
break;
|
|
}
|
|
|
|
// position:absolute bypass
|
|
if ( props.style === "absolute" && parent.style === "static" ) {
|
|
continue;
|
|
}
|
|
|
|
// Offset update
|
|
offset.top += parent.offset.top + parent.borderTop;
|
|
offset.left += parent.offset.left + parent.borderLeft;
|
|
if ( props.style !== "absolute" ) {
|
|
offset.top += parent.paddingTop;
|
|
offset.left += parent.paddingLeft;
|
|
|
|
// position:relative or position:static position update
|
|
pos.top += parent.paddingTop;
|
|
pos.left += parent.paddingLeft;
|
|
if ( parent.style === "static" ) {
|
|
pos.top += parent.pos.top + parent.marginTop + parent.borderTop;
|
|
pos.left += parent.pos.left + parent.marginLeft + parent.borderLeft;
|
|
}
|
|
}
|
|
break;
|
|
}
|
|
|
|
// Viewport scroll affects position:fixed elements, except when the page is
|
|
// unscrollable.
|
|
if ( props.style === "fixed" &&
|
|
( alwaysScrollable || expectations.documentElement.style !== "fixed" ) ) {
|
|
|
|
offset.top += scrollTop;
|
|
offset.left += scrollLeft;
|
|
}
|
|
} );
|
|
|
|
// Support: IE<=10 only
|
|
// Fudge the tests to work around <html>.gBCR() erroneously including margins
|
|
if ( /MSIE (?:9|10)\./.test( navigator.userAgent ) ) {
|
|
expectations.documentElement.pos.top -= expectations.documentElement.marginTop -
|
|
scrollTop;
|
|
expectations.documentElement.offset.top -= expectations.documentElement.marginTop -
|
|
scrollTop;
|
|
expectations.documentElement.pos.left -= expectations.documentElement.marginLeft -
|
|
scrollLeft;
|
|
expectations.documentElement.offset.left -= expectations.documentElement.marginLeft -
|
|
scrollLeft;
|
|
if ( htmlPos !== "static" ) {
|
|
delete expectations.documentElement;
|
|
delete expectations.body;
|
|
delete expectations.relative;
|
|
delete expectations.absolute;
|
|
}
|
|
}
|
|
|
|
return expectations;
|
|
}
|
|
|
|
// Cover each combination of <html> position and <body> position
|
|
supportjQuery.each( POSITION_VALUES, function( _, htmlPos ) {
|
|
supportjQuery.each( POSITION_VALUES, function( _, bodyPos ) {
|
|
var label = "nonzero box properties - html." + htmlPos + " body." + bodyPos;
|
|
testIframe( label, "offset/boxes.html", function( assert, $, win, doc ) {
|
|
|
|
// Define expectations at runtime to properly account for scrolling
|
|
var scrollTop = win.pageYOffset,
|
|
scrollLeft = win.pageXOffset,
|
|
expectations = getExpectations( htmlPos, bodyPos, scrollTop, scrollLeft );
|
|
|
|
assert.expect( 3 * Object.keys( expectations ).length );
|
|
|
|
// Setup documentElement and body styles, preserving scroll position
|
|
doc.documentElement.style.position = htmlPos;
|
|
doc.body.style.position = bodyPos;
|
|
win.scrollTo( scrollLeft, scrollTop );
|
|
|
|
// Verify expected document offset
|
|
supportjQuery.each( expectations, function( id, descriptor ) {
|
|
assert.deepEqual(
|
|
supportjQuery.extend( {}, $( "#" + id ).offset() ),
|
|
descriptor.offset,
|
|
"jQuery('#" + id + "').offset(): top " + descriptor.offset.top +
|
|
", left " + descriptor.offset.left );
|
|
} );
|
|
|
|
// Verify expected relative position
|
|
supportjQuery.each( expectations, function( id, descriptor ) {
|
|
assert.deepEqual(
|
|
supportjQuery.extend( {}, $( "#" + id ).position() ),
|
|
descriptor.pos,
|
|
"jQuery('#" + id + "').position(): top " + descriptor.pos.top +
|
|
", left " + descriptor.pos.left );
|
|
} );
|
|
|
|
// Verify that values round-trip
|
|
supportjQuery.each( Object.keys( expectations ).reverse(), function( _, id ) {
|
|
var $el = $( "#" + id ),
|
|
pos = supportjQuery.extend( {}, $el.position() );
|
|
|
|
$el.css( { top: pos.top, left: pos.left } );
|
|
if ( $el.css( "position" ) === "relative" ) {
|
|
|
|
// $relative.position() includes parent padding; switch to absolute
|
|
// positioning so we don't double its effects.
|
|
$el.css( { position: "absolute" } );
|
|
}
|
|
assert.deepEqual( supportjQuery.extend( {}, $el.position() ), pos,
|
|
"jQuery('#" + id + "').position() round-trips" );
|
|
|
|
// TODO Verify .offset(...)
|
|
// assert.deepEqual( $el.offset( offset ).offset(), offset )
|
|
// assert.deepEqual( $el.offset( adjustedOffset ).offset(), adjustedOffset )
|
|
// assert.deepEqual( $new.offset( offset ).offset(), offset )
|
|
} );
|
|
} );
|
|
} );
|
|
} );
|
|
} )();
|
|
|
|
QUnit.test( "offsetParent", function( assert ) {
|
|
assert.expect( 13 );
|
|
|
|
var body, header, div, area;
|
|
|
|
body = jQuery( "body" ).offsetParent();
|
|
assert.equal( body.length, 1, "Only one offsetParent found." );
|
|
assert.equal( body[ 0 ], document.documentElement, "The html element is the offsetParent of the body." );
|
|
|
|
header = jQuery( "#qunit" ).offsetParent();
|
|
assert.equal( header.length, 1, "Only one offsetParent found." );
|
|
assert.equal( header[ 0 ], document.documentElement, "The html element is the offsetParent of #qunit." );
|
|
|
|
div = jQuery( "#nothiddendivchild" ).offsetParent();
|
|
assert.equal( div.length, 1, "Only one offsetParent found." );
|
|
assert.equal( div[ 0 ], document.getElementById( "qunit-fixture" ), "The #qunit-fixture is the offsetParent of #nothiddendivchild." );
|
|
|
|
jQuery( "#nothiddendiv" ).css( "position", "relative" );
|
|
|
|
div = jQuery( "#nothiddendivchild" ).offsetParent();
|
|
assert.equal( div.length, 1, "Only one offsetParent found." );
|
|
assert.equal( div[ 0 ], jQuery( "#nothiddendiv" )[ 0 ], "The div is the offsetParent." );
|
|
|
|
div = jQuery( "body, #nothiddendivchild" ).offsetParent();
|
|
assert.equal( div.length, 2, "Two offsetParent found." );
|
|
assert.equal( div[ 0 ], document.documentElement, "The html element is the offsetParent of the body." );
|
|
assert.equal( div[ 1 ], jQuery( "#nothiddendiv" )[ 0 ], "The div is the offsetParent." );
|
|
|
|
area = jQuery( "#imgmap area" ).offsetParent();
|
|
assert.equal( area[ 0 ], document.documentElement, "The html element is the offsetParent of the body." );
|
|
|
|
div = jQuery( "<div>" ).css( { "position": "absolute" } ).appendTo( "body" );
|
|
assert.equal( div.offsetParent()[ 0 ], document.documentElement, "Absolutely positioned div returns html as offset parent, see #12139" );
|
|
|
|
div.remove();
|
|
} );
|
|
|
|
QUnit.test( "fractions (see #7730 and #7885)", function( assert ) {
|
|
assert.expect( 2 );
|
|
|
|
jQuery( "body" ).append( "<div id='fractions'/>" );
|
|
|
|
var result,
|
|
expected = { "top": 1000, "left": 1000 },
|
|
div = jQuery( "#fractions" );
|
|
|
|
div.css( {
|
|
"position": "absolute",
|
|
"left": "1000.7432222px",
|
|
"top": "1000.532325px",
|
|
"width": 100,
|
|
"height": 100
|
|
} );
|
|
|
|
div.offset( expected );
|
|
|
|
result = div.offset();
|
|
|
|
// Support: Chrome <=45 - 46
|
|
// In recent Chrome these values differ a little.
|
|
assert.ok( Math.abs( result.top - expected.top ) < 0.25, "Check top within 0.25 of expected" );
|
|
assert.equal( result.left, expected.left, "Check left" );
|
|
|
|
div.remove();
|
|
} );
|
|
|
|
QUnit.test( "iframe scrollTop/Left (see gh-1945)", function( assert ) {
|
|
assert.expect( 2 );
|
|
|
|
var ifDoc = jQuery( "#iframe" )[ 0 ].contentDocument;
|
|
|
|
// Mobile Safari resize the iframe by its content meaning it's not possible to scroll
|
|
// the iframe but only its parent element.
|
|
// It seems (not confirmed) in android 4.0 it's not possible to scroll iframes from the code.
|
|
if (
|
|
/iphone os|ipad/i.test( navigator.userAgent ) ||
|
|
/android 4\.0/i.test( navigator.userAgent )
|
|
) {
|
|
assert.equal( true, true, "Can't scroll iframes in this environment" );
|
|
assert.equal( true, true, "Can't scroll iframes in this environment" );
|
|
|
|
} else {
|
|
|
|
// Tests scrollTop/Left with iframes
|
|
jQuery( "#iframe" ).css( "width", "50px" ).css( "height", "50px" );
|
|
ifDoc.write( "<div style='width: 1000px; height: 1000px;'></div>" );
|
|
|
|
jQuery( ifDoc ).scrollTop( 200 );
|
|
jQuery( ifDoc ).scrollLeft( 500 );
|
|
|
|
assert.equal( jQuery( ifDoc ).scrollTop(), 200, "$($('#iframe')[0].contentDocument).scrollTop()" );
|
|
assert.equal( jQuery( ifDoc ).scrollLeft(), 500, "$($('#iframe')[0].contentDocument).scrollLeft()" );
|
|
}
|
|
} );
|
|
|
|
} )();
|