text: $(function () {
    'use strict'
  
    QUnit.module('scrollspy plugin')
  
    QUnit.test('should be defined on jquery object', function (assert) {
      assert.expect(1)
      assert.ok($(document.body).scrollspy, 'scrollspy method is defined')
    })
  
    QUnit.module('scrollspy', {
      beforeEach: function () {
        // Run all tests in noConflict mode -- it's the only way to ensure that the plugin works in noConflict mode
        $.fn.bootstrapScrollspy = $.fn.scrollspy.noConflict()
      },
      afterEach: function () {
        $.fn.scrollspy = $.fn.bootstrapScrollspy
        delete $.fn.bootstrapScrollspy
        $('#qunit-fixture').html('')
      }
    })
  
    QUnit.test('should provide no conflict', function (assert) {
      assert.expect(1)
      assert.strictEqual(typeof $.fn.scrollspy, 'undefined', 'scrollspy was set back to undefined (org value)')
    })
  
    QUnit.test('should throw explicit error on undefined method', function (assert) {
      assert.expect(1)
      var $el = $('<div/>').appendTo('#qunit-fixture')
      $el.bootstrapScrollspy()
      try {
        $el.bootstrapScrollspy('noMethod')
      } catch (err) {
        assert.strictEqual(err.message, 'No method named "noMethod"')
      }
    })
  
    QUnit.test('should return jquery collection containing the element', function (assert) {
      assert.expect(2)
      var $el = $('<div/>').appendTo('#qunit-fixture')
      var $scrollspy = $el.bootstrapScrollspy()
      assert.ok($scrollspy instanceof $, 'returns jquery collection')
      assert.strictEqual($scrollspy[0], $el[0], 'collection contains element')
    })
  
    QUnit.test('should only switch "active" class on current target', function (assert) {
      assert.expect(1)
      var done = assert.async()
  
      var sectionHTML = '<div id="root" class="active">' +
          '<div class="topbar">' +
          '<div class="topbar-inner">' +
          '<div class="container" id="ss-target">' +
          '<ul class="nav">' +
          '<li class="nav-item"><a href="#masthead">Overview</a></li>' +
          '<li class="nav-item"><a href="#detail">Detail</a></li>' +
          '</ul>' +
          '</div>' +
          '</div>' +
          '</div>' +
          '<div id="scrollspy-example" style="height: 100px; overflow: auto;">' +
          '<div style="height: 200px;">' +
          '<h4 id="masthead">Overview</h4>' +
          '<p style="height: 200px">' +
          'Ad leggings keytar, brunch id art party dolor labore.' +
          '</p>' +
          '</div>' +
          '<div style="height: 200px;">' +
          '<h4 id="detail">Detail</h4>' +
          '<p style="height: 200px">' +
          'Veniam marfa mustache skateboard, adipisicing fugiat velit pitchfork beard.' +
          '</p>' +
          '</div>' +
          '</div>' +
          '</div>'
      var $section = $(sectionHTML).appendTo('#qunit-fixture')
  
      var $scrollspy = $section
        .show()
        .find('#scrollspy-example')
        .bootstrapScrollspy({
          target: '#ss-target'
        })
  
      $scrollspy.one('scroll', function () {
        assert.ok($section.hasClass('active'), '"active" class still on root node')
        done()
      })
  
      $scrollspy.scrollTop(350)
    })
  
    QUnit.test('should only switch "active" class on current target specified w element', function (assert) {
      assert.expect(1)
      var done = assert.async()
  
      var sectionHTML = '<div id="root" class="active">' +
          '<div class="topbar">' +
          '<div class="topbar-inner">' +
          '<div class="container" id="ss-target">' +
          '<ul class="nav">' +
          '<li class="nav-item"><a href="#masthead">Overview</a></li>' +
          '<li class="nav-item"><a href="#detail">Detail</a></li>' +
          '</ul>' +
          '</div>' +
          '</div>' +
          '</div>' +
          '<div id="scrollspy-example" style="height: 100px; overflow: auto;">' +
          '<div style="height: 200px;">' +
          '<h4 id="masthead">Overview</h4>' +
          '<p style="height: 200px">' +
          'Ad leggings keytar, brunch id art party dolor labore.' +
          '</p>' +
          '</div>' +
          '<div style="height: 200px;">' +
          '<h4 id="detail">Detail</h4>' +
          '<p style="height: 200px">' +
          'Veniam marfa mustache skateboard, adipisicing fugiat velit pitchfork beard.' +
          '</p>' +
          '</div>' +
          '</div>' +
          '</div>'
      var $section = $(sectionHTML).appendTo('#qunit-fixture')
  
      var $scrollspy = $section
        .show()
        .find('#scrollspy-example')
        .bootstrapScrollspy({
          target: document.getElementById('#ss-target')
        })
  
      $scrollspy.one('scroll', function () {
        assert.ok($section.hasClass('active'), '"active" class still on root node')
        done()
      })
  
      $scrollspy.scrollTop(350)
    })
  
    QUnit.test('should correctly select middle navigation option when large offset is used', function (assert) {
      assert.expect(3)
      var done = assert.async()
  
      var sectionHTML = '<div id="header" style="height: 500px;"></div>' +
          '<nav id="navigation" class="navbar">' +
          '<ul class="navbar-nav">' +
          '<li class="nav-item active"><a class="nav-link" id="one-link" href="#one">One</a></li>' +
          '<li class="nav-item"><a class="nav-link" id="two-link" href="#two">Two</a></li>' +
          '<li class="nav-item"><a class="nav-link" id="three-link" href="#three">Three</a></li>' +
          '</ul>' +
          '</nav>' +
          '<div id="content" style="height: 200px; overflow-y: auto;">' +
          '<div id="one" style="height: 500px;"></div>' +
          '<div id="two" style="height: 300px;"></div>' +
          '<div id="three" style="height: 10px;"></div>' +
          '</div>'
      var $section = $(sectionHTML).appendTo('#qunit-fixture')
      var $scrollspy = $section
        .show()
        .filter('#content')
  
      $scrollspy.bootstrapScrollspy({
        target: '#navigation',
        offset: $scrollspy.position().top
      })
  
      $scrollspy.one('scroll', function () {
        assert.ok(!$section.find('#one-link').hasClass('active'), '"active" class removed from first section')
        assert.ok($section.find('#two-link').hasClass('active'), '"active" class on middle section')
        assert.ok(!$section.find('#three-link').hasClass('active'), '"active" class not on last section')
        done()
      })
  
      $scrollspy.scrollTop(550)
    })
  
    QUnit.test('should add the active class to the correct element', function (assert) {
      assert.expect(2)
      var navbarHtml =
        '<nav class="navbar">' +
        '<ul class="nav">' +
        '<li class="nav-item"><a class="nav-link" id="a-1" href="#div-1">div 1</a></li>' +
        '<li class="nav-item"><a class="nav-link" id="a-2" href="#div-2">div 2</a></li>' +
        '</ul>' +
        '</nav>'
      var contentHtml =
          '<div class="content" style="overflow: auto; height: 50px">' +
        '<div id="div-1" style="height: 100px; padding: 0; margin: 0">div 1</div>' +
        '<div id="div-2" style="height: 200px; padding: 0; margin: 0">div 2</div>' +
        '</div>'
  
      $(navbarHtml).appendTo('#qunit-fixture')
      var $content = $(contentHtml)
        .appendTo('#qunit-fixture')
        .bootstrapScrollspy({
          offset: 0,
          target: '.navbar'
        })
  
      var done = assert.async()
      var testElementIsActiveAfterScroll = function (element, target) {
        var deferred = $.Deferred()
        var scrollHeight = Math.ceil($content.scrollTop() + $(target).position().top)
        $content.one('scroll', function () {
          assert.ok($(element).hasClass('active'), 'target:' + target + ', element' + element)
          deferred.resolve()
        })
        $content.scrollTop(scrollHeight)
        return deferred.promise()
      }
  
      $.when(testElementIsActiveAfterScroll('#a-1', '#div-1'))
        .then(function () {
          return testElementIsActiveAfterScroll('#a-2', '#div-2')
        })
        .then(function () {
          done()
        })
    })
  
    QUnit.test('should add the active class to the correct element (nav markup)', function (assert) {
      assert.expect(2)
      var navbarHtml =
        '<nav class="navbar">' +
        '<nav class="nav">' +
        '<a class="nav-link" id="a-1" href="#div-1">div 1</a>' +
        '<a class="nav-link" id="a-2" href="#div-2">div 2</a>' +
        '</nav>' +
        '</nav>'
      var contentHtml =
          '<div class="content" style="overflow: auto; height: 50px">' +
        '<div id="div-1" style="height: 100px; padding: 0; margin: 0">div 1</div>' +
        '<div id="div-2" style="height: 200px; padding: 0; margin: 0">div 2</div>' +
        '</div>'
  
      $(navbarHtml).appendTo('#qunit-fixture')
      var $content = $(contentHtml)
        .appendTo('#qunit-fixture')
        .bootstrapScrollspy({
          offset: 0,
          target: '.navbar'
        })
  
      var done = assert.async()
      var testElementIsActiveAfterScroll = function (element, target) {
        var deferred = $.Deferred()
        var scrollHeight = Math.ceil($content.scrollTop() + $(target).position().top)
        $content.one('scroll', function () {
          assert.ok($(element).hasClass('active'), 'target:' + target + ', element' + element)
          deferred.resolve()
        })
        $content.scrollTop(scrollHeight)
        return deferred.promise()
      }
  
      $.when(testElementIsActiveAfterScroll('#a-1', '#div-1'))
        .then(function () {
          return testElementIsActiveAfterScroll('#a-2', '#div-2')
        })
        .then(function () {
          done()
        })
    })
  
    QUnit.test('should add the active class to the correct element (list-group markup)', function (assert) {
      assert.expect(2)
      var navbarHtml =
        '<nav class="navbar">' +
        '<div class="list-group">' +
        '<a class="list-group-item" id="a-1" href="#div-1">div 1</a>' +
        '<a class="list-group-item" id="a-2" href="#div-2">div 2</a>' +
        '</div>' +
        '</nav>'
      var contentHtml =
          '<div class="content" style="overflow: auto; height: 50px">' +
        '<div id="div-1" style="height: 100px; padding: 0; margin: 0">div 1</div>' +
        '<div id="div-2" style="height: 200px; padding: 0; margin: 0">div 2</div>' +
        '</div>'
  
      $(navbarHtml).appendTo('#qunit-fixture')
      var $content = $(contentHtml)
        .appendTo('#qunit-fixture')
        .bootstrapScrollspy({
          offset: 0,
          target: '.navbar'
        })
  
      var done = assert.async()
      var testElementIsActiveAfterScroll = function (element, target) {
        var deferred = $.Deferred()
        var scrollHeight = Math.ceil($content.scrollTop() + $(target).position().top)
        $content.one('scroll', function () {
          assert.ok($(element).hasClass('active'), 'target:' + target + ', element' + element)
          deferred.resolve()
        })
        $content.scrollTop(scrollHeight)
        return deferred.promise()
      }
  
      $.when(testElementIsActiveAfterScroll('#a-1', '#div-1'))
        .then(function () {
          return testElementIsActiveAfterScroll('#a-2', '#div-2')
        })
        .then(function () {
          done()
        })
    })
  
    QUnit.test('should add the active class correctly when there are nested elements at 0 scroll offset', function (assert) {
      assert.expect(6)
      var times = 0
      var done = assert.async()
      var navbarHtml = '<nav id="navigation" class="navbar">' +
        '<ul class="nav">' +
        '<li class="nav-item"><a id="a-1" class="nav-link" href="#div-1">div 1</a>' +
        '<ul class="nav">' +
        '<li class="nav-item"><a id="a-2" class="nav-link" href="#div-2">div 2</a></li>' +
        '</ul>' +
        '</li>' +
        '</ul>' +
        '</nav>'
  
      var contentHtml = '<div class="content" style="position: absolute; top: 0px; overflow: auto; height: 50px">' +
        '<div id="div-1" style="padding: 0; margin: 0">' +
        '<div id="div-2" style="height: 200px; padding: 0; margin: 0">div 2</div>' +
        '</div>' +
        '</div>'
  
      $(navbarHtml).appendTo('#qunit-fixture')
  
      var $content = $(contentHtml)
        .appendTo('#qunit-fixture')
        .bootstrapScrollspy({
          offset: 0,
          target: '#navigation'
        })
  
      function testActiveElements() {
        if (++times > 3) {
          return done()
        }
  
        $content.one('scroll', function () {
          assert.ok($('#a-1').hasClass('active'), 'nav item for outer element has "active" class')
          assert.ok($('#a-2').hasClass('active'), 'nav item for inner element has "active" class')
          testActiveElements()
        })
  
        $content.scrollTop($content.scrollTop() + 10)
      }
  
      testActiveElements()
    })
  
    QUnit.test('should add the active class correctly when there are nested elements (nav markup)', function (assert) {
      assert.expect(6)
      var times = 0
      var done = assert.async()
      var navbarHtml = '<nav id="navigation" class="navbar">' +
        '<nav class="nav">' +
        '<a id="a-1" class="nav-link" href="#div-1">div 1</a>' +
        '<nav class="nav">' +
        '<a id="a-2" class="nav-link" href="#div-2">div 2</a>' +
        '</nav>' +
        '</nav>' +
        '</nav>'
  
      var contentHtml = '<div class="content" style="position: absolute; top: 0px; overflow: auto; height: 50px">' +
        '<div id="div-1" style="padding: 0; margin: 0">' +
        '<div id="div-2" style="height: 200px; padding: 0; margin: 0">div 2</div>' +
        '</div>' +
        '</div>'
  
      $(navbarHtml).appendTo('#qunit-fixture')
  
      var $content = $(contentHtml)
        .appendTo('#qunit-fixture')
        .bootstrapScrollspy({
          offset: 0,
          target: '#navigation'
        })
  
      function testActiveElements() {
        if (++times > 3) {
          return done()
        }
  
        $content.one('scroll', function () {
          assert.ok($('#a-1').hasClass('active'), 'nav item for outer element has "active" class')
          assert.ok($('#a-2').hasClass('active'), 'nav item for inner element has "active" class')
          testActiveElements()
        })
  
        $content.scrollTop($content.scrollTop() + 10)
      }
  
      testActiveElements()
    })
  
    QUnit.test('should add the active class correctly when there are nested elements (nav nav-item markup)', function (assert) {
      assert.expect(6)
      var times = 0
      var done = assert.async()
      var navbarHtml = '<nav id="navigation" class="navbar">' +
        '<ul class="nav">' +
        '<li class="nav-item"><a id="a-1" class="nav-link" href="#div-1">div 1</a></li>' +
        '<ul class="nav">' +
        '<li class="nav-item"><a id="a-2" class="nav-link" href="#div-2">div 2</a></li>' +
        '</ul>' +
        '</ul>' +
        '</nav>'
  
      var contentHtml = '<div class="content" style="position: absolute; top: 0px; overflow: auto; height: 50px">' +
        '<div id="div-1" style="padding: 0; margin: 0">' +
        '<div id="div-2" style="height: 200px; padding: 0; margin: 0">div 2</div>' +
        '</div>' +
        '</div>'
  
      $(navbarHtml).appendTo('#qunit-fixture')
  
      var $content = $(contentHtml)
        .appendTo('#qunit-fixture')
        .bootstrapScrollspy({
          offset: 0,
          target: '#navigation'
        })
  
      function testActiveElements() {
        if (++times > 3) {
          return done()
        }
  
        $content.one('scroll', function () {
          assert.ok($('#a-1').hasClass('active'), 'nav item for outer element has "active" class')
          assert.ok($('#a-2').hasClass('active'), 'nav item for inner element has "active" class')
          testActiveElements()
        })
  
        $content.scrollTop($content.scrollTop() + 10)
      }
  
      testActiveElements()
    })
  
    QUnit.test('should add the active class correctly when there are nested elements (list-group markup)', function (assert) {
      assert.expect(6)
      var times = 0
      var done = assert.async()
      var navbarHtml = '<nav id="navigation" class="navbar">' +
        '<div class="list-group">' +
        '<a id="a-1" class="list-group-item" href="#div-1">div 1</a>' +
        '<div class="list-group">' +
        '<a id="a-2" class="list-group-item" href="#div-2">div 2</a>' +
        '</div>' +
        '</div>' +
        '</nav>'
  
      var contentHtml = '<div class="content" style="position: absolute; top: 0px; overflow: auto; height: 50px">' +
        '<div id="div-1" style="padding: 0; margin: 0">' +
        '<div id="div-2" style="height: 200px; padding: 0; margin: 0">div 2</div>' +
        '</div>' +
        '</div>'
  
      $(navbarHtml).appendTo('#qunit-fixture')
  
      var $content = $(contentHtml)
        .appendTo('#qunit-fixture')
        .bootstrapScrollspy({
          offset: 0,
          target: '#navigation'
        })
  
      function testActiveElements() {
        if (++times > 3) {
          return done()
        }
  
        $content.one('scroll', function () {
          assert.ok($('#a-1').hasClass('active'), 'nav item for outer element has "active" class')
          assert.ok($('#a-2').hasClass('active'), 'nav item for inner element has "active" class')
          testActiveElements()
        })
  
        $content.scrollTop($content.scrollTop() + 10)
      }
  
      testActiveElements()
    })
  
    QUnit.test('should clear selection if above the first section', function (assert) {
      assert.expect(3)
      var done = assert.async()
  
      var sectionHTML = '<div id="header" style="height: 500px;"></div>' +
          '<nav id="navigation" class="navbar">' +
          '<ul class="navbar-nav">' +
          '<li class="nav-item"><a id="one-link"   class="nav-link active" href="#one">One</a></li>' +
          '<li class="nav-item"><a id="two-link"   class="nav-link" href="#two">Two</a></li>' +
          '<li class="nav-item"><a id="three-link" class="nav-link" href="#three">Three</a></li>' +
          '</ul>' +
          '</nav>'
      $(sectionHTML).appendTo('#qunit-fixture')
  
      var scrollspyHTML = '<div id="content" style="height: 200px; overflow-y: auto;">' +
          '<div id="spacer" style="height: 100px;"/>' +
          '<div id="one" style="height: 100px;"/>' +
          '<div id="two" style="height: 100px;"/>' +
          '<div id="three" style="height: 100px;"/>' +
          '<div id="spacer" style="height: 100px;"/>' +
          '</div>'
      var $scrollspy = $(scrollspyHTML).appendTo('#qunit-fixture')
  
      $scrollspy
        .bootstrapScrollspy({
          target: '#navigation',
          offset: $scrollspy.position().top
        })
        .one('scroll', function () {
          assert.strictEqual($('.active').length, 1, '"active" class on only one element present')
          assert.strictEqual($('.active').is('#two-link'), true, '"active" class on second section')
          $scrollspy
            .one('scroll', function () {
              assert.strictEqual($('.active').length, 0, 'selection cleared')
              done()
            })
            .scrollTop(0)
        })
        .scrollTop(201)
    })
  
    QUnit.test('should NOT clear selection if above the first section and first section is at the top', function (assert) {
      assert.expect(4)
      var done = assert.async()
  
      var sectionHTML = '<div id="header" style="height: 500px;"></div>' +
          '<nav id="navigation" class="navbar">' +
          '<ul class="navbar-nav">' +
          '<li class="nav-item"><a id="one-link"   class="nav-link active" href="#one">One</a></li>' +
          '<li class="nav-item"><a id="two-link"   class="nav-link" href="#two">Two</a></li>' +
          '<li class="nav-item"><a id="three-link" class="nav-link" href="#three">Three</a></li>' +
          '</ul>' +
          '</nav>'
      $(sectionHTML).appendTo('#qunit-fixture')
  
      var negativeHeight = -10
      var startOfSectionTwo = 101
  
      var scrollspyHTML = '<div id="content" style="height: 200px; overflow-y: auto;">' +
          '<div id="one" style="height: 100px;"/>' +
          '<div id="two" style="height: 100px;"/>' +
          '<div id="three" style="height: 100px;"/>' +
          '<div id="spacer" style="height: 100px;"/>' +
          '</div>'
      var $scrollspy = $(scrollspyHTML).appendTo('#qunit-fixture')
  
      $scrollspy
        .bootstrapScrollspy({
          target: '#navigation',
          offset: $scrollspy.position().top
        })
        .one('scroll', function () {
          assert.strictEqual($('.active').length, 1, '"active" class on only one element present')
          assert.strictEqual($('.active').is('#two-link'), true, '"active" class on second section')
          $scrollspy
            .one('scroll', function () {
              assert.strictEqual($('.active').length, 1, '"active" class on only one element present')
              assert.strictEqual($('.active').is('#one-link'), true, '"active" class on first section')
              done()
            })
            .scrollTop(negativeHeight)
        })
        .scrollTop(startOfSectionTwo)
    })
  
    QUnit.test('should correctly select navigation element on backward scrolling when each target section height is 100%', function (assert) {
      assert.expect(5)
      var navbarHtml =
        '<nav class="navbar">' +
        '<ul class="nav">' +
        '<li class="nav-item"><a id="li-100-1" class="nav-link" href="#div-100-1">div 1</a></li>' +
        '<li class="nav-item"><a id="li-100-2" class="nav-link" href="#div-100-2">div 2</a></li>' +
        '<li class="nav-item"><a id="li-100-3" class="nav-link" href="#div-100-3">div 3</a></li>' +
        '<li class="nav-item"><a id="li-100-4" class="nav-link" href="#div-100-4">div 4</a></li>' +
        '<li class="nav-item"><a id="li-100-5" class="nav-link" href="#div-100-5">div 5</a></li>' +
        '</ul>' +
        '</nav>'
      var contentHtml =
          '<div class="content" style="position: relative; overflow: auto; height: 100px">' +
        '<div id="div-100-1" style="position: relative; height: 100%; padding: 0; margin: 0">div 1</div>' +
        '<div id="div-100-2" style="position: relative; height: 100%; padding: 0; margin: 0">div 2</div>' +
        '<div id="div-100-3" style="position: relative; height: 100%; padding: 0; margin: 0">div 3</div>' +
        '<div id="div-100-4" style="position: relative; height: 100%; padding: 0; margin: 0">div 4</div>' +
        '<div id="div-100-5" style="position: relative; height: 100%; padding: 0; margin: 0">div 5</div>' +
        '</div>'
  
      $(navbarHtml).appendTo('#qunit-fixture')
      var $content = $(contentHtml)
        .appendTo('#qunit-fixture')
        .bootstrapScrollspy({
          offset: 0,
          target: '.navbar'
        })
  
      var testElementIsActiveAfterScroll = function (element, target) {
        var deferred = $.Deferred()
        var scrollHeight = Math.ceil($content.scrollTop() + $(target).position().top)
        $content.one('scroll', function () {
          assert.ok($(element).hasClass('active'), 'target:' + target + ', element: ' + element)
          deferred.resolve()
        })
        $content.scrollTop(scrollHeight)
        return deferred.promise()
      }
  
      var done = assert.async()
      $.when(testElementIsActiveAfterScroll('#li-100-5', '#div-100-5'))
        .then(function () {
          return testElementIsActiveAfterScroll('#li-100-4', '#div-100-4')
        })
        .then(function () {
          return testElementIsActiveAfterScroll('#li-100-3', '#div-100-3')
        })
        .then(function () {
          return testElementIsActiveAfterScroll('#li-100-2', '#div-100-2')
        })
        .then(function () {
          return testElementIsActiveAfterScroll('#li-100-1', '#div-100-1')
        })
        .then(function () {
          done()
        })
    })
  
    QUnit.test('should allow passed in option offset method: offset', function (assert) {
      assert.expect(4)
  
      var testOffsetMethod = function (type) {
        var $navbar = $(
          '<nav class="navbar"' + (type === 'data' ? ' id="navbar-offset-method-menu"' : '') + '>' +
          '<ul class="nav">' +
          '<li class="nav-item"><a id="li-' + type + 'm-1" class="nav-link" href="#div-' + type + 'm-1">div 1</a></li>' +
          '<li class="nav-item"><a id="li-' + type + 'm-2" class="nav-link" href="#div-' + type + 'm-2">div 2</a></li>' +
          '<li class="nav-item"><a id="li-' + type + 'm-3" class="nav-link" href="#div-' + type + 'm-3">div 3</a></li>' +
          '</ul>' +
          '</nav>'
        )
        var $content = $(
          '<div class="content"' + (type === 'data' ? ' data-spy="scroll" data-target="#navbar-offset-method-menu" data-offset="0" data-method="offset"' : '') + ' style="position: relative; overflow: auto; height: 100px">' +
          '<div id="div-' + type + 'm-1" style="position: relative; height: 200px; padding: 0; margin: 0">div 1</div>' +
          '<div id="div-' + type + 'm-2" style="position: relative; height: 150px; padding: 0; margin: 0">div 2</div>' +
          '<div id="div-' + type + 'm-3" style="position: relative; height: 250px; padding: 0; margin: 0">div 3</div>' +
          '</div>'
        )
  
        $navbar.appendTo('#qunit-fixture')
        $content.appendTo('#qunit-fixture')
  
        if (type === 'js') {
          $content.bootstrapScrollspy({
            target: '.navbar',
            offset: 0,
            method: 'offset'
          })
        } else if (type === 'data') {
          $(window).trigger('load')
        }
  
        var $target = $('#div-' + type + 'm-2')
        var scrollspy = $content.data('bs.scrollspy')
  
        assert.ok(scrollspy._offsets[1] === $target.offset().top, 'offset method with ' + type + ' option')
        assert.ok(scrollspy._offsets[1] !== $target.position().top, 'position method with ' + type + ' option')
        $navbar.remove()
        $content.remove()
      }
  
      testOffsetMethod('js')
      testOffsetMethod('data')
    })
  
    QUnit.test('should allow passed in option offset method: position', function (assert) {
      assert.expect(4)
  
      var testOffsetMethod = function (type) {
        var $navbar = $(
          '<nav class="navbar"' + (type === 'data' ? ' id="navbar-offset-method-menu"' : '') + '>' +
          '<ul class="nav">' +
          '<li class="nav-item"><a class="nav-link" id="li-' + type + 'm-1" href="#div-' + type + 'm-1">div 1</a></li>' +
          '<li class="nav-item"><a class="nav-link" id="li-' + type + 'm-2" href="#div-' + type + 'm-2">div 2</a></li>' +
          '<li class="nav-item"><a class="nav-link" id="li-' + type + 'm-3" href="#div-' + type + 'm-3">div 3</a></li>' +
          '</ul>' +
          '</nav>'
        )
        var $content = $(
          '<div class="content"' + (type === 'data' ? ' data-spy="scroll" data-target="#navbar-offset-method-menu" data-offset="0" data-method="position"' : '') + ' style="position: relative; overflow: auto; height: 100px">' +
          '<div id="div-' + type + 'm-1" style="position: relative; height: 200px; padding: 0; margin: 0">div 1</div>' +
          '<div id="div-' + type + 'm-2" style="position: relative; height: 150px; padding: 0; margin: 0">div 2</div>' +
          '<div id="div-' + type + 'm-3" style="position: relative; height: 250px; padding: 0; margin: 0">div 3</div>' +
          '</div>'
        )
  
        $navbar.appendTo('#qunit-fixture')
        $content.appendTo('#qunit-fixture')
  
        if (type === 'js') {
          $content.bootstrapScrollspy({
            target: '.navbar',
            offset: 0,
            method: 'position'
          })
        } else if (type === 'data') {
          $(window).trigger('load')
        }
  
        var $target = $('#div-' + type + 'm-2')
        var scrollspy = $content.data('bs.scrollspy')
  
        assert.ok(scrollspy._offsets[1] !== $target.offset().top, 'offset method with ' + type + ' option')
        assert.ok(scrollspy._offsets[1] === $target.position().top, 'position method with ' + type + ' option')
        $navbar.remove()
        $content.remove()
      }
  
      testOffsetMethod('js')
      testOffsetMethod('data')
    })
  })
  