text: 'use strict';
  
  // Wrapper to abstract over using touch events or mouse events.
  var swipeTests = function(description, restrictBrowsers, startEvent, moveEvent, endEvent) {
    describe('ngSwipe with ' + description + ' events', function() {
      var element;
  
      if (restrictBrowsers) {
        // TODO(braden): Once we have other touch-friendly browsers on CI, allow them here.
        // Currently Firefox and IE refuse to fire touch events.
        var chrome = /chrome/.test(navigator.userAgent.toLowerCase());
        if (!chrome) {
          return;
        }
      }
  
      // Skip tests on IE < 9. These versions of IE don't support createEvent(), and so
      // we cannot control the (x,y) position of events.
      // It works fine in IE 8 under manual testing.
      var msie = +((/msie (\d+)/.exec(navigator.userAgent.toLowerCase()) || [])[1]);
      if (msie < 9) {
        return;
      }
  
      beforeEach(function() {
        module('ngMobile');
      });
  
      afterEach(function() {
        dealoc(element);
      });
  
      it('should swipe to the left', inject(function($rootScope, $compile) {
        element = $compile('<div ng-swipe-left="swiped = true"></div>')($rootScope);
        $rootScope.$digest();
        expect($rootScope.swiped).toBeUndefined();
  
        browserTrigger(element, startEvent, [], 100, 20);
        browserTrigger(element, endEvent, [], 20, 20);
        expect($rootScope.swiped).toBe(true);
      }));
  
      it('should swipe to the right', inject(function($rootScope, $compile) {
        element = $compile('<div ng-swipe-right="swiped = true"></div>')($rootScope);
        $rootScope.$digest();
        expect($rootScope.swiped).toBeUndefined();
  
        browserTrigger(element, startEvent, [], 20, 20);
        browserTrigger(element, endEvent, [], 90, 20);
        expect($rootScope.swiped).toBe(true);
      }));
  
      it('should not swipe if you move too far vertically', inject(function($rootScope, $compile, $rootElement) {
        element = $compile('<div ng-swipe-left="swiped = true"></div>')($rootScope);
        $rootElement.append(element);
        $rootScope.$digest();
  
        expect($rootScope.swiped).toBeUndefined();
  
        browserTrigger(element, startEvent, [], 90, 20);
        browserTrigger(element, moveEvent, [], 70, 200);
        browserTrigger(element, endEvent, [], 20, 20);
  
        expect($rootScope.swiped).toBeUndefined();
      }));
  
      it('should not swipe if you slide only a short distance', inject(function($rootScope, $compile, $rootElement) {
        element = $compile('<div ng-swipe-left="swiped = true"></div>')($rootScope);
        $rootElement.append(element);
        $rootScope.$digest();
  
        expect($rootScope.swiped).toBeUndefined();
  
        browserTrigger(element, startEvent, [], 90, 20);
        browserTrigger(element, endEvent, [], 80, 20);
  
        expect($rootScope.swiped).toBeUndefined();
      }));
  
      it('should not swipe if the swipe leaves the element', inject(function($rootScope, $compile, $rootElement) {
        element = $compile('<div ng-swipe-right="swiped = true"></div>')($rootScope);
        $rootElement.append(element);
        $rootScope.$digest();
  
        expect($rootScope.swiped).toBeUndefined();
  
        browserTrigger(element, startEvent, [], 20, 20);
        browserTrigger(element, moveEvent, [], 40, 20);
  
        expect($rootScope.swiped).toBeUndefined();
      }));
  
      it('should not swipe if the swipe starts outside the element', inject(function($rootScope, $compile, $rootElement) {
        element = $compile('<div ng-swipe-right="swiped = true"></div>')($rootScope);
        $rootElement.append(element);
        $rootScope.$digest();
  
        expect($rootScope.swiped).toBeUndefined();
  
        browserTrigger(element, moveEvent, [], 10, 20);
        browserTrigger(element, endEvent, [], 90, 20);
  
        expect($rootScope.swiped).toBeUndefined();
      }));
  
      it('should emit "swipeleft" events for left swipes', inject(function($rootScope, $compile, $rootElement) {
        element = $compile('<div ng-swipe-left="swiped = true"></div>')($rootScope);
        $rootElement.append(element);
        $rootScope.$digest();
  
        expect($rootScope.swiped).toBeUndefined();
        var eventFired = false;
        element.on('swipeleft', function() {
          eventFired = true;
        });
  
        browserTrigger(element, startEvent, [], 100, 20);
        browserTrigger(element, endEvent, [], 20, 20);
        expect(eventFired).toEqual(true);
      }));
  
      it('should emit "swiperight" events for right swipes', inject(function($rootScope, $compile, $rootElement) {
        element = $compile('<div ng-swipe-right="swiped = true"></div>')($rootScope);
        $rootElement.append(element);
        $rootScope.$digest();
  
        expect($rootScope.swiped).toBeUndefined();
        var eventFired = false;
        element.on('swiperight', function() {
          eventFired = true;
        });
  
        browserTrigger(element, startEvent, [], 20, 20);
        browserTrigger(element, endEvent, [], 100, 20);
        expect(eventFired).toEqual(true);
      }));
    });
  }
  
  swipeTests('touch', true  /* restrictBrowers */, 'touchstart', 'touchmove', 'touchend');
  swipeTests('mouse', false /* restrictBrowers */, 'mousedown',  'mousemove', 'mouseup');
  
  