279 lines
11 KiB
JavaScript
279 lines
11 KiB
JavaScript
$(function () {
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'use strict';
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QUnit.module('scrollspy plugin')
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QUnit.test('should be defined on jquery object', function (assert) {
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assert.expect(1)
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assert.ok($(document.body).scrollspy, 'scrollspy method is defined')
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})
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QUnit.module('scrollspy', {
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beforeEach: function () {
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// Run all tests in noConflict mode -- it's the only way to ensure that the plugin works in noConflict mode
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$.fn.bootstrapScrollspy = $.fn.scrollspy.noConflict()
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},
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afterEach: function () {
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$.fn.scrollspy = $.fn.bootstrapScrollspy
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delete $.fn.bootstrapScrollspy
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}
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})
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QUnit.test('should provide no conflict', function (assert) {
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assert.expect(1)
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assert.strictEqual($.fn.scrollspy, undefined, 'scrollspy was set back to undefined (org value)')
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})
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QUnit.test('should return jquery collection containing the element', function (assert) {
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assert.expect(2)
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var $el = $('<div/>')
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var $scrollspy = $el.bootstrapScrollspy()
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assert.ok($scrollspy instanceof $, 'returns jquery collection')
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assert.strictEqual($scrollspy[0], $el[0], 'collection contains element')
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})
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QUnit.test('should only switch "active" class on current target', function (assert) {
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assert.expect(1)
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var done = assert.async()
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var sectionHTML = '<div id="root" class="active">'
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+ '<div class="topbar">'
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+ '<div class="topbar-inner">'
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+ '<div class="container" id="ss-target">'
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+ '<ul class="nav">'
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+ '<li><a href="#masthead">Overview</a></li>'
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+ '<li><a href="#detail">Detail</a></li>'
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+ '</ul>'
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+ '</div>'
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+ '</div>'
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+ '</div>'
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+ '<div id="scrollspy-example" style="height: 100px; overflow: auto;">'
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+ '<div style="height: 200px;">'
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+ '<h4 id="masthead">Overview</h4>'
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+ '<p style="height: 200px">'
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+ 'Ad leggings keytar, brunch id art party dolor labore.'
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+ '</p>'
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+ '</div>'
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+ '<div style="height: 200px;">'
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+ '<h4 id="detail">Detail</h4>'
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+ '<p style="height: 200px">'
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+ 'Veniam marfa mustache skateboard, adipisicing fugiat velit pitchfork beard.'
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+ '</p>'
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+ '</div>'
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+ '</div>'
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+ '</div>'
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var $section = $(sectionHTML).appendTo('#qunit-fixture')
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var $scrollspy = $section
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.show()
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.find('#scrollspy-example')
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.bootstrapScrollspy({ target: '#ss-target' })
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$scrollspy.on('scroll.bs.scrollspy', function () {
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assert.ok($section.hasClass('active'), '"active" class still on root node')
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done()
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})
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$scrollspy.scrollTop(350)
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})
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QUnit.test('should correctly select middle navigation option when large offset is used', function (assert) {
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assert.expect(3)
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var done = assert.async()
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var sectionHTML = '<div id="header" style="height: 500px;"></div>'
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+ '<nav id="navigation" class="navbar">'
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+ '<ul class="nav navbar-nav">'
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+ '<li class="active"><a id="one-link" href="#one">One</a></li>'
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+ '<li><a id="two-link" href="#two">Two</a></li>'
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+ '<li><a id="three-link" href="#three">Three</a></li>'
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+ '</ul>'
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+ '</nav>'
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+ '<div id="content" style="height: 200px; overflow-y: auto;">'
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+ '<div id="one" style="height: 500px;"></div>'
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+ '<div id="two" style="height: 300px;"></div>'
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+ '<div id="three" style="height: 10px;"></div>'
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+ '</div>'
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var $section = $(sectionHTML).appendTo('#qunit-fixture')
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var $scrollspy = $section
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.show()
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.filter('#content')
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$scrollspy.bootstrapScrollspy({ target: '#navigation', offset: $scrollspy.position().top })
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$scrollspy.on('scroll.bs.scrollspy', function () {
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assert.ok(!$section.find('#one-link').parent().hasClass('active'), '"active" class removed from first section')
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assert.ok($section.find('#two-link').parent().hasClass('active'), '"active" class on middle section')
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assert.ok(!$section.find('#three-link').parent().hasClass('active'), '"active" class not on last section')
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done()
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})
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$scrollspy.scrollTop(550)
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})
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QUnit.test('should add the active class to the correct element', function (assert) {
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assert.expect(2)
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var navbarHtml =
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'<nav class="navbar">'
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+ '<ul class="nav">'
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+ '<li id="li-1"><a href="#div-1">div 1</a></li>'
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+ '<li id="li-2"><a href="#div-2">div 2</a></li>'
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+ '</ul>'
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+ '</nav>'
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var contentHtml =
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'<div class="content" style="overflow: auto; height: 50px">'
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+ '<div id="div-1" style="height: 100px; padding: 0; margin: 0">div 1</div>'
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+ '<div id="div-2" style="height: 200px; padding: 0; margin: 0">div 2</div>'
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+ '</div>'
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$(navbarHtml).appendTo('#qunit-fixture')
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var $content = $(contentHtml)
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.appendTo('#qunit-fixture')
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.bootstrapScrollspy({ offset: 0, target: '.navbar' })
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var testElementIsActiveAfterScroll = function (element, target) {
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var deferred = $.Deferred()
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var scrollHeight = Math.ceil($content.scrollTop() + $(target).position().top)
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var done = assert.async()
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$content.one('scroll', function () {
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assert.ok($(element).hasClass('active'), 'target:' + target + ', element' + element)
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done()
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deferred.resolve()
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})
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$content.scrollTop(scrollHeight)
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return deferred.promise()
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}
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$.when(testElementIsActiveAfterScroll('#li-1', '#div-1'))
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.then(function () { return testElementIsActiveAfterScroll('#li-2', '#div-2') })
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})
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QUnit.test('should add the active class correctly when there are nested elements at 0 scroll offset', function (assert) {
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assert.expect(6)
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var times = 0
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var done = assert.async()
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var navbarHtml = '<nav id="navigation" class="navbar">'
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+ '<ul class="nav">'
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+ '<li id="li-1"><a href="#div-1">div 1</a>'
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+ '<ul>'
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+ '<li id="li-2"><a href="#div-2">div 2</a></li>'
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+ '</ul>'
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+ '</li>'
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+ '</ul>'
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+ '</nav>'
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var contentHtml = '<div class="content" style="position: absolute; top: 0px; overflow: auto; height: 50px">'
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+ '<div id="div-1" style="padding: 0; margin: 0">'
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+ '<div id="div-2" style="height: 200px; padding: 0; margin: 0">div 2</div>'
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+ '</div>'
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+ '</div>'
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$(navbarHtml).appendTo('#qunit-fixture')
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var $content = $(contentHtml)
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.appendTo('#qunit-fixture')
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.bootstrapScrollspy({ offset: 0, target: '#navigation' })
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!function testActiveElements() {
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if (++times > 3) return done()
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$content.one('scroll', function () {
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assert.ok($('#li-1').hasClass('active'), 'nav item for outer element has "active" class')
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assert.ok($('#li-2').hasClass('active'), 'nav item for inner element has "active" class')
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testActiveElements()
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})
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$content.scrollTop($content.scrollTop() + 10)
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}()
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})
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QUnit.test('should clear selection if above the first section', function (assert) {
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assert.expect(3)
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var done = assert.async()
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var sectionHTML = '<div id="header" style="height: 500px;"></div>'
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+ '<nav id="navigation" class="navbar">'
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+ '<ul class="nav navbar-nav">'
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+ '<li class="active"><a id="one-link" href="#one">One</a></li>'
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+ '<li><a id="two-link" href="#two">Two</a></li>'
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+ '<li><a id="three-link" href="#three">Three</a></li>'
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+ '</ul>'
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+ '</nav>'
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$(sectionHTML).appendTo('#qunit-fixture')
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var scrollspyHTML = '<div id="content" style="height: 200px; overflow-y: auto;">'
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+ '<div id="spacer" style="height: 100px;"/>'
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+ '<div id="one" style="height: 100px;"/>'
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+ '<div id="two" style="height: 100px;"/>'
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+ '<div id="three" style="height: 100px;"/>'
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+ '<div id="spacer" style="height: 100px;"/>'
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+ '</div>'
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var $scrollspy = $(scrollspyHTML).appendTo('#qunit-fixture')
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$scrollspy
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.bootstrapScrollspy({
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target: '#navigation',
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offset: $scrollspy.position().top
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})
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.one('scroll.bs.scrollspy', function () {
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assert.strictEqual($('.active').length, 1, '"active" class on only one element present')
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assert.strictEqual($('.active').has('#two-link').length, 1, '"active" class on second section')
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$scrollspy
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.one('scroll.bs.scrollspy', function () {
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assert.strictEqual($('.active').length, 0, 'selection cleared')
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done()
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})
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.scrollTop(0)
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})
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.scrollTop(201)
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})
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QUnit.test('should correctly select navigation element on backward scrolling when each target section height is 100%', function (assert) {
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assert.expect(5)
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var navbarHtml =
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'<nav class="navbar">'
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+ '<ul class="nav">'
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+ '<li id="li-100-1"><a href="#div-100-1">div 1</a></li>'
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+ '<li id="li-100-2"><a href="#div-100-2">div 2</a></li>'
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+ '<li id="li-100-3"><a href="#div-100-3">div 3</a></li>'
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+ '<li id="li-100-4"><a href="#div-100-4">div 4</a></li>'
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+ '<li id="li-100-5"><a href="#div-100-5">div 5</a></li>'
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+ '</ul>'
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+ '</nav>'
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var contentHtml =
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'<div class="content" style="position: relative; overflow: auto; height: 100px">'
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+ '<div id="div-100-1" style="position: relative; height: 100%; padding: 0; margin: 0">div 1</div>'
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+ '<div id="div-100-2" style="position: relative; height: 100%; padding: 0; margin: 0">div 2</div>'
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+ '<div id="div-100-3" style="position: relative; height: 100%; padding: 0; margin: 0">div 3</div>'
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+ '<div id="div-100-4" style="position: relative; height: 100%; padding: 0; margin: 0">div 4</div>'
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+ '<div id="div-100-5" style="position: relative; height: 100%; padding: 0; margin: 0">div 5</div>'
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+ '</div>'
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$(navbarHtml).appendTo('#qunit-fixture')
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var $content = $(contentHtml)
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.appendTo('#qunit-fixture')
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.bootstrapScrollspy({ offset: 0, target: '.navbar' })
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var testElementIsActiveAfterScroll = function (element, target) {
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var deferred = $.Deferred()
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var scrollHeight = Math.ceil($content.scrollTop() + $(target).position().top)
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var done = assert.async()
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$content.one('scroll', function () {
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assert.ok($(element).hasClass('active'), 'target:' + target + ', element: ' + element)
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done()
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deferred.resolve()
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})
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$content.scrollTop(scrollHeight)
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return deferred.promise()
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}
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$.when(testElementIsActiveAfterScroll('#li-100-5', '#div-100-5'))
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.then(function () { return testElementIsActiveAfterScroll('#li-100-4', '#div-100-4') })
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.then(function () { return testElementIsActiveAfterScroll('#li-100-3', '#div-100-3') })
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.then(function () { return testElementIsActiveAfterScroll('#li-100-2', '#div-100-2') })
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.then(function () { return testElementIsActiveAfterScroll('#li-100-1', '#div-100-1') })
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})
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})
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