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+$(function () {
+  'use strict';
+
+  QUnit.module('dropdowns plugin')
+
+  QUnit.test('should be defined on jquery object', function (assert) {
+    assert.expect(1)
+    assert.ok($(document.body).dropdown, 'dropdown method is defined')
+  })
+
+  QUnit.module('dropdowns', {
+    beforeEach: function () {
+      // Run all tests in noConflict mode -- it's the only way to ensure that the plugin works in noConflict mode
+      $.fn.bootstrapDropdown = $.fn.dropdown.noConflict()
+    },
+    afterEach: function () {
+      $.fn.dropdown = $.fn.bootstrapDropdown
+      delete $.fn.bootstrapDropdown
+    }
+  })
+
+  QUnit.test('should provide no conflict', function (assert) {
+    assert.expect(1)
+    assert.strictEqual($.fn.dropdown, undefined, 'dropdown was set back to undefined (org value)')
+  })
+
+  QUnit.test('should return jquery collection containing the element', function (assert) {
+    assert.expect(2)
+    var $el = $('<div/>')
+    var $dropdown = $el.bootstrapDropdown()
+    assert.ok($dropdown instanceof $, 'returns jquery collection')
+    assert.strictEqual($dropdown[0], $el[0], 'collection contains element')
+  })
+
+  QUnit.test('should not open dropdown if target is disabled via attribute', function (assert) {
+    assert.expect(1)
+    var dropdownHTML = '<ul class="tabs">'
+        + '<li class="dropdown">'
+        + '<button disabled href="#" class="btn dropdown-toggle" data-toggle="dropdown">Dropdown</button>'
+        + '<ul class="dropdown-menu">'
+        + '<li><a href="#">Secondary link</a></li>'
+        + '<li><a href="#">Something else here</a></li>'
+        + '<li class="divider"/>'
+        + '<li><a href="#">Another link</a></li>'
+        + '</ul>'
+        + '</li>'
+        + '</ul>'
+    var $dropdown = $(dropdownHTML).find('[data-toggle="dropdown"]').bootstrapDropdown().trigger('click')
+
+    assert.ok(!$dropdown.parent('.dropdown').hasClass('open'), '"open" class added on click')
+  })
+
+  QUnit.test('should set aria-expanded="true" on target when dropdown menu is shown', function (assert) {
+    assert.expect(1)
+    var dropdownHTML = '<ul class="tabs">'
+        + '<li class="dropdown">'
+        + '<a href="#" class="dropdown-toggle" data-toggle="dropdown" aria-expanded="false">Dropdown</a>'
+        + '<ul class="dropdown-menu">'
+        + '<li><a href="#">Secondary link</a></li>'
+        + '<li><a href="#">Something else here</a></li>'
+        + '<li class="divider"/>'
+        + '<li><a href="#">Another link</a></li>'
+        + '</ul>'
+        + '</li>'
+        + '</ul>'
+    var $dropdown = $(dropdownHTML)
+      .find('[data-toggle="dropdown"]')
+      .bootstrapDropdown()
+      .trigger('click')
+
+    assert.strictEqual($dropdown.attr('aria-expanded'), 'true', 'aria-expanded is set to string "true" on click')
+  })
+
+  QUnit.test('should set aria-expanded="false" on target when dropdown menu is hidden', function (assert) {
+    assert.expect(1)
+    var done = assert.async()
+    var dropdownHTML = '<ul class="tabs">'
+        + '<li class="dropdown">'
+        + '<a href="#" class="dropdown-toggle" aria-expanded="false" data-toggle="dropdown">Dropdown</a>'
+        + '<ul class="dropdown-menu">'
+        + '<li><a href="#">Secondary link</a></li>'
+        + '<li><a href="#">Something else here</a></li>'
+        + '<li class="divider"/>'
+        + '<li><a href="#">Another link</a></li>'
+        + '</ul>'
+        + '</li>'
+        + '</ul>'
+    var $dropdown = $(dropdownHTML)
+      .appendTo('#qunit-fixture')
+      .find('[data-toggle="dropdown"]')
+      .bootstrapDropdown()
+
+    $dropdown
+      .parent('.dropdown')
+      .on('hidden.bs.dropdown', function () {
+        assert.strictEqual($dropdown.attr('aria-expanded'), 'false', 'aria-expanded is set to string "false" on hide')
+        done()
+      })
+
+    $dropdown.trigger('click')
+    $(document.body).trigger('click')
+  })
+
+  QUnit.test('should not open dropdown if target is disabled via class', function (assert) {
+    assert.expect(1)
+    var dropdownHTML = '<ul class="tabs">'
+        + '<li class="dropdown">'
+        + '<button href="#" class="btn dropdown-toggle disabled" data-toggle="dropdown">Dropdown</button>'
+        + '<ul class="dropdown-menu">'
+        + '<li><a href="#">Secondary link</a></li>'
+        + '<li><a href="#">Something else here</a></li>'
+        + '<li class="divider"/>'
+        + '<li><a href="#">Another link</a></li>'
+        + '</ul>'
+        + '</li>'
+        + '</ul>'
+    var $dropdown = $(dropdownHTML).find('[data-toggle="dropdown"]').bootstrapDropdown().trigger('click')
+
+    assert.ok(!$dropdown.parent('.dropdown').hasClass('open'), '"open" class added on click')
+  })
+
+  QUnit.test('should add class open to menu if clicked', function (assert) {
+    assert.expect(1)
+    var dropdownHTML = '<ul class="tabs">'
+        + '<li class="dropdown">'
+        + '<a href="#" class="dropdown-toggle" data-toggle="dropdown">Dropdown</a>'
+        + '<ul class="dropdown-menu">'
+        + '<li><a href="#">Secondary link</a></li>'
+        + '<li><a href="#">Something else here</a></li>'
+        + '<li class="divider"/>'
+        + '<li><a href="#">Another link</a></li>'
+        + '</ul>'
+        + '</li>'
+        + '</ul>'
+    var $dropdown = $(dropdownHTML).find('[data-toggle="dropdown"]').bootstrapDropdown().trigger('click')
+
+    assert.ok($dropdown.parent('.dropdown').hasClass('open'), '"open" class added on click')
+  })
+
+  QUnit.test('should test if element has a # before assuming it\'s a selector', function (assert) {
+    assert.expect(1)
+    var dropdownHTML = '<ul class="tabs">'
+        + '<li class="dropdown">'
+        + '<a href="/foo/" class="dropdown-toggle" data-toggle="dropdown">Dropdown</a>'
+        + '<ul class="dropdown-menu">'
+        + '<li><a href="#">Secondary link</a></li>'
+        + '<li><a href="#">Something else here</a></li>'
+        + '<li class="divider"/>'
+        + '<li><a href="#">Another link</a></li>'
+        + '</ul>'
+        + '</li>'
+        + '</ul>'
+    var $dropdown = $(dropdownHTML).find('[data-toggle="dropdown"]').bootstrapDropdown().trigger('click')
+
+    assert.ok($dropdown.parent('.dropdown').hasClass('open'), '"open" class added on click')
+  })
+
+
+  QUnit.test('should remove "open" class if body is clicked', function (assert) {
+    assert.expect(2)
+    var dropdownHTML = '<ul class="tabs">'
+        + '<li class="dropdown">'
+        + '<a href="#" class="dropdown-toggle" data-toggle="dropdown">Dropdown</a>'
+        + '<ul class="dropdown-menu">'
+        + '<li><a href="#">Secondary link</a></li>'
+        + '<li><a href="#">Something else here</a></li>'
+        + '<li class="divider"/>'
+        + '<li><a href="#">Another link</a></li>'
+        + '</ul>'
+        + '</li>'
+        + '</ul>'
+    var $dropdown = $(dropdownHTML)
+      .appendTo('#qunit-fixture')
+      .find('[data-toggle="dropdown"]')
+      .bootstrapDropdown()
+      .trigger('click')
+
+    assert.ok($dropdown.parent('.dropdown').hasClass('open'), '"open" class added on click')
+    $(document.body).trigger('click')
+    assert.ok(!$dropdown.parent('.dropdown').hasClass('open'), '"open" class removed')
+  })
+
+  QUnit.test('should remove "open" class if body is clicked, with multiple dropdowns', function (assert) {
+    assert.expect(7)
+    var dropdownHTML = '<ul class="nav">'
+        + '<li><a href="#menu1">Menu 1</a></li>'
+        + '<li class="dropdown" id="testmenu">'
+        + '<a class="dropdown-toggle" data-toggle="dropdown" href="#testmenu">Test menu <span class="caret"/></a>'
+        + '<ul class="dropdown-menu">'
+        + '<li><a href="#sub1">Submenu 1</a></li>'
+        + '</ul>'
+        + '</li>'
+        + '</ul>'
+        + '<div class="btn-group">'
+        + '<button class="btn">Actions</button>'
+        + '<button class="btn dropdown-toggle" data-toggle="dropdown"><span class="caret"/></button>'
+        + '<ul class="dropdown-menu">'
+        + '<li><a href="#">Action 1</a></li>'
+        + '</ul>'
+        + '</div>'
+    var $dropdowns = $(dropdownHTML).appendTo('#qunit-fixture').find('[data-toggle="dropdown"]')
+    var $first = $dropdowns.first()
+    var $last = $dropdowns.last()
+
+    assert.strictEqual($dropdowns.length, 2, 'two dropdowns')
+
+    $first.trigger('click')
+    assert.strictEqual($first.parents('.open').length, 1, '"open" class added on click')
+    assert.strictEqual($('#qunit-fixture .open').length, 1, 'only one dropdown is open')
+    $(document.body).trigger('click')
+    assert.strictEqual($('#qunit-fixture .open').length, 0, '"open" class removed')
+
+    $last.trigger('click')
+    assert.strictEqual($last.parent('.open').length, 1, '"open" class added on click')
+    assert.strictEqual($('#qunit-fixture .open').length, 1, 'only one dropdown is open')
+    $(document.body).trigger('click')
+    assert.strictEqual($('#qunit-fixture .open').length, 0, '"open" class removed')
+  })
+
+  QUnit.test('should fire show and hide event', function (assert) {
+    assert.expect(2)
+    var dropdownHTML = '<ul class="tabs">'
+        + '<li class="dropdown">'
+        + '<a href="#" class="dropdown-toggle" data-toggle="dropdown">Dropdown</a>'
+        + '<ul class="dropdown-menu">'
+        + '<li><a href="#">Secondary link</a></li>'
+        + '<li><a href="#">Something else here</a></li>'
+        + '<li class="divider"/>'
+        + '<li><a href="#">Another link</a></li>'
+        + '</ul>'
+        + '</li>'
+        + '</ul>'
+    var $dropdown = $(dropdownHTML)
+      .appendTo('#qunit-fixture')
+      .find('[data-toggle="dropdown"]')
+      .bootstrapDropdown()
+
+    var done = assert.async()
+
+    $dropdown
+      .parent('.dropdown')
+      .on('show.bs.dropdown', function () {
+        assert.ok(true, 'show was fired')
+      })
+      .on('hide.bs.dropdown', function () {
+        assert.ok(true, 'hide was fired')
+        done()
+      })
+
+    $dropdown.trigger('click')
+    $(document.body).trigger('click')
+  })
+
+
+  QUnit.test('should fire shown and hidden event', function (assert) {
+    assert.expect(2)
+    var dropdownHTML = '<ul class="tabs">'
+        + '<li class="dropdown">'
+        + '<a href="#" class="dropdown-toggle" data-toggle="dropdown">Dropdown</a>'
+        + '<ul class="dropdown-menu">'
+        + '<li><a href="#">Secondary link</a></li>'
+        + '<li><a href="#">Something else here</a></li>'
+        + '<li class="divider"/>'
+        + '<li><a href="#">Another link</a></li>'
+        + '</ul>'
+        + '</li>'
+        + '</ul>'
+    var $dropdown = $(dropdownHTML)
+      .appendTo('#qunit-fixture')
+      .find('[data-toggle="dropdown"]')
+      .bootstrapDropdown()
+
+    var done = assert.async()
+
+    $dropdown
+      .parent('.dropdown')
+      .on('shown.bs.dropdown', function () {
+        assert.ok(true, 'shown was fired')
+      })
+      .on('hidden.bs.dropdown', function () {
+        assert.ok(true, 'hidden was fired')
+        done()
+      })
+
+    $dropdown.trigger('click')
+    $(document.body).trigger('click')
+  })
+
+  QUnit.test('should fire shown and hidden event with a relatedTarget', function (assert) {
+    assert.expect(2)
+    var dropdownHTML = '<ul class="tabs">'
+        + '<li class="dropdown">'
+        + '<a href="#" class="dropdown-toggle" data-toggle="dropdown">Dropdown</a>'
+        + '<ul class="dropdown-menu">'
+        + '<li><a href="#">Secondary link</a></li>'
+        + '<li><a href="#">Something else here</a></li>'
+        + '<li class="divider"/>'
+        + '<li><a href="#">Another link</a></li>'
+        + '</ul>'
+        + '</li>'
+        + '</ul>'
+    var $dropdown = $(dropdownHTML)
+      .appendTo('#qunit-fixture')
+      .find('[data-toggle="dropdown"]')
+      .bootstrapDropdown()
+    var done = assert.async()
+
+    $dropdown.parent('.dropdown')
+      .on('hidden.bs.dropdown', function (e) {
+        assert.strictEqual(e.relatedTarget, $dropdown[0])
+        done()
+      })
+      .on('shown.bs.dropdown', function (e) {
+        assert.strictEqual(e.relatedTarget, $dropdown[0])
+        $(document.body).trigger('click')
+      })
+
+    $dropdown.trigger('click')
+  })
+
+  QUnit.test('should ignore keyboard events within <input>s and <textarea>s', function (assert) {
+    assert.expect(3)
+    var done = assert.async()
+
+    var dropdownHTML = '<ul class="tabs">'
+        + '<li class="dropdown">'
+        + '<a href="#" class="dropdown-toggle" data-toggle="dropdown">Dropdown</a>'
+        + '<ul class="dropdown-menu">'
+        + '<li><a href="#">Secondary link</a></li>'
+        + '<li><a href="#">Something else here</a></li>'
+        + '<li class="divider"/>'
+        + '<li><a href="#">Another link</a></li>'
+        + '<li><input type="text" id="input"></li>'
+        + '<li><textarea id="textarea"/></li>'
+        + '</ul>'
+        + '</li>'
+        + '</ul>'
+    var $dropdown = $(dropdownHTML)
+      .appendTo('#qunit-fixture')
+      .find('[data-toggle="dropdown"]')
+      .bootstrapDropdown()
+
+    var $input = $('#input')
+    var $textarea = $('#textarea')
+
+    $dropdown
+      .parent('.dropdown')
+      .on('shown.bs.dropdown', function () {
+        assert.ok(true, 'shown was fired')
+
+        $input.trigger('focus').trigger($.Event('keydown', { which: 38 }))
+        assert.ok($(document.activeElement).is($input), 'input still focused')
+
+        $textarea.trigger('focus').trigger($.Event('keydown', { which: 38 }))
+        assert.ok($(document.activeElement).is($textarea), 'textarea still focused')
+
+        done()
+      })
+
+    $dropdown.trigger('click')
+  })
+
+  QUnit.test('should skip disabled element when using keyboard navigation', function (assert) {
+    assert.expect(1)
+    var dropdownHTML = '<ul class="tabs">'
+        + '<li class="dropdown">'
+        + '<a href="#" class="dropdown-toggle" data-toggle="dropdown">Dropdown</a>'
+        + '<ul class="dropdown-menu">'
+        + '<li class="disabled"><a href="#">Disabled link</a></li>'
+        + '<li><a href="#">Another link</a></li>'
+        + '</ul>'
+        + '</li>'
+        + '</ul>'
+    var $dropdown = $(dropdownHTML)
+      .appendTo('#qunit-fixture')
+      .find('[data-toggle="dropdown"]')
+      .bootstrapDropdown()
+      .trigger('click')
+
+    $dropdown.trigger($.Event('keydown', { which: 40 }))
+    $dropdown.trigger($.Event('keydown', { which: 40 }))
+
+    assert.ok(!$(document.activeElement).parent().is('.disabled'), '.disabled is not focused')
+  })
+
+  QUnit.test('should not close the dropdown if the user clicks on a text field', function (assert) {
+    assert.expect(1)
+    var dropdownHTML = '<div class="btn-group">'
+        + '<button type="button" data-toggle="dropdown">Dropdown</button>'
+        + '<ul class="dropdown-menu">'
+        + '<li><input id="textField" type="text" /></li>'
+        + '</ul>'
+        + '</div>'
+    var $dropdown = $(dropdownHTML)
+      .appendTo('#qunit-fixture')
+      .find('[data-toggle="dropdown"]')
+      .bootstrapDropdown()
+      .trigger('click')
+
+    $('#textField').trigger('click')
+
+    assert.ok($dropdown.parent('.btn-group').hasClass('open'), 'dropdown menu is open')
+  })
+
+  QUnit.test('should not close the dropdown if the user clicks on a textarea', function (assert) {
+    assert.expect(1)
+    var dropdownHTML = '<div class="btn-group">'
+        + '<button type="button" data-toggle="dropdown">Dropdown</button>'
+        + '<ul class="dropdown-menu">'
+        + '<li><textarea id="textArea"></textarea></li>'
+        + '</ul>'
+        + '</div>'
+    var $dropdown = $(dropdownHTML)
+      .appendTo('#qunit-fixture')
+      .find('[data-toggle="dropdown"]')
+      .bootstrapDropdown()
+      .trigger('click')
+
+    $('#textArea').trigger('click')
+
+    assert.ok($dropdown.parent('.btn-group').hasClass('open'), 'dropdown menu is open')
+  })
+
+  QUnit.test('should handle # in data-target', function (assert) {
+    assert.expect(1)
+    var done = assert.async()
+
+    var html = [
+      '<div class="dropdown">',
+      '  <a id="dLabel" data-target="#" href="http://example.com/" data-toggle="dropdown" role="button" aria-haspopup="true" aria-expanded="false">',
+      '    Dropdown trigger',
+      '  </a>',
+      '  <ul class="dropdown-menu" aria-labelledby="dLabel">',
+      '    <li><a href="/test">One</a></li>',
+      '    <li><a href="/test2">Two</a></li>',
+      '  </ul>',
+      '</div>'
+    ].join('')
+
+    var $dropdown = $(html)
+      .appendTo('#qunit-fixture')
+      .find('[data-toggle="dropdown"]')
+      .bootstrapDropdown()
+
+    $dropdown
+      .parent('.dropdown')
+      .on('shown.bs.dropdown', function () {
+        assert.ok($dropdown.parent('.dropdown').hasClass('open'), '"open" class added on click')
+        done()
+      })
+
+    $dropdown.trigger('click')
+  })
+})