tor-browser

react-dom-test-utils-dev.js (48448B)

---

/** @license React v16.8.6
* react-dom-test-utils.development.js
*
* Copyright (c) Facebook, Inc. and its affiliates.
*
* This source code is licensed under the MIT license found in the
* LICENSE file in the root directory of this source tree.
*/

'use strict';

(function (global, factory) {
typeof exports === 'object' && typeof module !== 'undefined' ? module.exports = factory(require("resource://devtools/client/shared/vendor/react.mjs"), require("resource://devtools/client/shared/vendor/react-dom.mjs")) :
typeof define === 'function' && define.amd ? define(['resource://devtools/client/shared/vendor/react.js', 'resource://devtools/client/shared/vendor/react-dom.js'], factory) :
(global.ReactTestUtils = factory(global.React,global.ReactDOM));
}(this, (function (React,ReactDOM) { 'use strict';

var ReactInternals = React.__SECRET_INTERNALS_DO_NOT_USE_OR_YOU_WILL_BE_FIRED;

var _assign = ReactInternals.assign;

/**
* Use invariant() to assert state which your program assumes to be true.
*
* Provide sprintf-style format (only %s is supported) and arguments
* to provide information about what broke and what you were
* expecting.
*
* The invariant message will be stripped in production, but the invariant
* will remain to ensure logic does not differ in production.
*/

var validateFormat = function () {};

{
 validateFormat = function (format) {
   if (format === undefined) {
     throw new Error('invariant requires an error message argument');
   }
 };
}

function invariant(condition, format, a, b, c, d, e, f) {
 validateFormat(format);

 if (!condition) {
   var error = void 0;
   if (format === undefined) {
     error = new Error('Minified exception occurred; use the non-minified dev environment ' + 'for the full error message and additional helpful warnings.');
   } else {
     var args = [a, b, c, d, e, f];
     var argIndex = 0;
     error = new Error(format.replace(/%s/g, function () {
       return args[argIndex++];
     }));
     error.name = 'Invariant Violation';
   }

   error.framesToPop = 1; // we don't care about invariant's own frame
   throw error;
 }
}

// Relying on the `invariant()` implementation lets us
// preserve the format and params in the www builds.

/**
* Similar to invariant but only logs a warning if the condition is not met.
* This can be used to log issues in development environments in critical
* paths. Removing the logging code for production environments will keep the
* same logic and follow the same code paths.
*/

var warningWithoutStack = function () {};

{
 warningWithoutStack = function (condition, format) {
   for (var _len = arguments.length, args = Array(_len > 2 ? _len - 2 : 0), _key = 2; _key < _len; _key++) {
     args[_key - 2] = arguments[_key];
   }

   if (format === undefined) {
     throw new Error('`warningWithoutStack(condition, format, ...args)` requires a warning ' + 'message argument');
   }
   if (args.length > 8) {
     // Check before the condition to catch violations early.
     throw new Error('warningWithoutStack() currently supports at most 8 arguments.');
   }
   if (condition) {
     return;
   }
   if (typeof console !== 'undefined') {
     var argsWithFormat = args.map(function (item) {
       return '' + item;
     });
     argsWithFormat.unshift('Warning: ' + format);

     // We intentionally don't use spread (or .apply) directly because it
     // breaks IE9: https://github.com/facebook/react/issues/13610
     Function.prototype.apply.call(console.error, console, argsWithFormat);
   }
   try {
     // --- Welcome to debugging React ---
     // This error was thrown as a convenience so that you can use this stack
     // to find the callsite that caused this warning to fire.
     var argIndex = 0;
     var message = 'Warning: ' + format.replace(/%s/g, function () {
       return args[argIndex++];
     });
     throw new Error(message);
   } catch (x) {}
 };
}

var warningWithoutStack$1 = warningWithoutStack;

/**
* `ReactInstanceMap` maintains a mapping from a public facing stateful
* instance (key) and the internal representation (value). This allows public
* methods to accept the user facing instance as an argument and map them back
* to internal methods.
*
* Note that this module is currently shared and assumed to be stateless.
* If this becomes an actual Map, that will break.
*/

/**
* This API should be called `delete` but we'd have to make sure to always
* transform these to strings for IE support. When this transform is fully
* supported we can rename it.
*/


function get(key) {
 return key._reactInternalFiber;
}

var ReactSharedInternals = React.__SECRET_INTERNALS_DO_NOT_USE_OR_YOU_WILL_BE_FIRED;

// Prevent newer renderers from RTE when used with older react package versions.
// Current owner and dispatcher used to share the same ref,
// but PR #14548 split them out to better support the react-debug-tools package.
if (!ReactSharedInternals.hasOwnProperty('ReactCurrentDispatcher')) {
 ReactSharedInternals.ReactCurrentDispatcher = {
   current: null
 };
}

// The Symbol used to tag the ReactElement-like types. If there is no native Symbol
// nor polyfill, then a plain number is used for performance.

var FunctionComponent = 0;
var ClassComponent = 1;
// Before we know whether it is function or class
var HostRoot = 3; // Root of a host tree. Could be nested inside another node.
// A subtree. Could be an entry point to a different renderer.
var HostComponent = 5;
var HostText = 6;

// Don't change these two values. They're used by React Dev Tools.
var NoEffect = /*              */0;


// You can change the rest (and add more).
var Placement = /*             */2;










// Passive & Update & Callback & Ref & Snapshot


// Union of all host effects

var ReactCurrentOwner = ReactSharedInternals.ReactCurrentOwner;

var MOUNTING = 1;
var MOUNTED = 2;
var UNMOUNTED = 3;

function isFiberMountedImpl(fiber) {
 var node = fiber;
 if (!fiber.alternate) {
   // If there is no alternate, this might be a new tree that isn't inserted
   // yet. If it is, then it will have a pending insertion effect on it.
   if ((node.effectTag & Placement) !== NoEffect) {
     return MOUNTING;
   }
   while (node.return) {
     node = node.return;
     if ((node.effectTag & Placement) !== NoEffect) {
       return MOUNTING;
     }
   }
 } else {
   while (node.return) {
     node = node.return;
   }
 }
 if (node.tag === HostRoot) {
   // TODO: Check if this was a nested HostRoot when used with
   // renderContainerIntoSubtree.
   return MOUNTED;
 }
 // If we didn't hit the root, that means that we're in an disconnected tree
 // that has been unmounted.
 return UNMOUNTED;
}





function assertIsMounted(fiber) {
 !(isFiberMountedImpl(fiber) === MOUNTED) ? invariant(false, 'Unable to find node on an unmounted component.') : void 0;
}

function findCurrentFiberUsingSlowPath(fiber) {
 var alternate = fiber.alternate;
 if (!alternate) {
   // If there is no alternate, then we only need to check if it is mounted.
   var state = isFiberMountedImpl(fiber);
   !(state !== UNMOUNTED) ? invariant(false, 'Unable to find node on an unmounted component.') : void 0;
   if (state === MOUNTING) {
     return null;
   }
   return fiber;
 }
 // If we have two possible branches, we'll walk backwards up to the root
 // to see what path the root points to. On the way we may hit one of the
 // special cases and we'll deal with them.
 var a = fiber;
 var b = alternate;
 while (true) {
   var parentA = a.return;
   var parentB = parentA ? parentA.alternate : null;
   if (!parentA || !parentB) {
     // We're at the root.
     break;
   }

   // If both copies of the parent fiber point to the same child, we can
   // assume that the child is current. This happens when we bailout on low
   // priority: the bailed out fiber's child reuses the current child.
   if (parentA.child === parentB.child) {
     var child = parentA.child;
     while (child) {
       if (child === a) {
         // We've determined that A is the current branch.
         assertIsMounted(parentA);
         return fiber;
       }
       if (child === b) {
         // We've determined that B is the current branch.
         assertIsMounted(parentA);
         return alternate;
       }
       child = child.sibling;
     }
     // We should never have an alternate for any mounting node. So the only
     // way this could possibly happen is if this was unmounted, if at all.
     invariant(false, 'Unable to find node on an unmounted component.');
   }

   if (a.return !== b.return) {
     // The return pointer of A and the return pointer of B point to different
     // fibers. We assume that return pointers never criss-cross, so A must
     // belong to the child set of A.return, and B must belong to the child
     // set of B.return.
     a = parentA;
     b = parentB;
   } else {
     // The return pointers point to the same fiber. We'll have to use the
     // default, slow path: scan the child sets of each parent alternate to see
     // which child belongs to which set.
     //
     // Search parent A's child set
     var didFindChild = false;
     var _child = parentA.child;
     while (_child) {
       if (_child === a) {
         didFindChild = true;
         a = parentA;
         b = parentB;
         break;
       }
       if (_child === b) {
         didFindChild = true;
         b = parentA;
         a = parentB;
         break;
       }
       _child = _child.sibling;
     }
     if (!didFindChild) {
       // Search parent B's child set
       _child = parentB.child;
       while (_child) {
         if (_child === a) {
           didFindChild = true;
           a = parentB;
           b = parentA;
           break;
         }
         if (_child === b) {
           didFindChild = true;
           b = parentB;
           a = parentA;
           break;
         }
         _child = _child.sibling;
       }
       !didFindChild ? invariant(false, 'Child was not found in either parent set. This indicates a bug in React related to the return pointer. Please file an issue.') : void 0;
     }
   }

   !(a.alternate === b) ? invariant(false, 'Return fibers should always be each others\' alternates. This error is likely caused by a bug in React. Please file an issue.') : void 0;
 }
 // If the root is not a host container, we're in a disconnected tree. I.e.
 // unmounted.
 !(a.tag === HostRoot) ? invariant(false, 'Unable to find node on an unmounted component.') : void 0;
 if (a.stateNode.current === a) {
   // We've determined that A is the current branch.
   return fiber;
 }
 // Otherwise B has to be current branch.
 return alternate;
}

/* eslint valid-typeof: 0 */

var EVENT_POOL_SIZE = 10;

/**
* @interface Event
* @see http://www.w3.org/TR/DOM-Level-3-Events/
*/
var EventInterface = {
 type: null,
 target: null,
 // currentTarget is set when dispatching; no use in copying it here
 currentTarget: function () {
   return null;
 },
 eventPhase: null,
 bubbles: null,
 cancelable: null,
 timeStamp: function (event) {
   return event.timeStamp || Date.now();
 },
 defaultPrevented: null,
 isTrusted: null
};

function functionThatReturnsTrue() {
 return true;
}

function functionThatReturnsFalse() {
 return false;
}

/**
* Synthetic events are dispatched by event plugins, typically in response to a
* top-level event delegation handler.
*
* These systems should generally use pooling to reduce the frequency of garbage
* collection. The system should check `isPersistent` to determine whether the
* event should be released into the pool after being dispatched. Users that
* need a persisted event should invoke `persist`.
*
* Synthetic events (and subclasses) implement the DOM Level 3 Events API by
* normalizing browser quirks. Subclasses do not necessarily have to implement a
* DOM interface; custom application-specific events can also subclass this.
*
* @param {object} dispatchConfig Configuration used to dispatch this event.
* @param {*} targetInst Marker identifying the event target.
* @param {object} nativeEvent Native browser event.
* @param {DOMEventTarget} nativeEventTarget Target node.
*/
function SyntheticEvent(dispatchConfig, targetInst, nativeEvent, nativeEventTarget) {
 {
   // these have a getter/setter for warnings
   delete this.nativeEvent;
   delete this.preventDefault;
   delete this.stopPropagation;
   delete this.isDefaultPrevented;
   delete this.isPropagationStopped;
 }

 this.dispatchConfig = dispatchConfig;
 this._targetInst = targetInst;
 this.nativeEvent = nativeEvent;

 var Interface = this.constructor.Interface;
 for (var propName in Interface) {
   if (!Interface.hasOwnProperty(propName)) {
     continue;
   }
   {
     delete this[propName]; // this has a getter/setter for warnings
   }
   var normalize = Interface[propName];
   if (normalize) {
     this[propName] = normalize(nativeEvent);
   } else {
     if (propName === 'target') {
       this.target = nativeEventTarget;
     } else {
       this[propName] = nativeEvent[propName];
     }
   }
 }

 var defaultPrevented = nativeEvent.defaultPrevented != null ? nativeEvent.defaultPrevented : nativeEvent.returnValue === false;
 if (defaultPrevented) {
   this.isDefaultPrevented = functionThatReturnsTrue;
 } else {
   this.isDefaultPrevented = functionThatReturnsFalse;
 }
 this.isPropagationStopped = functionThatReturnsFalse;
 return this;
}

_assign(SyntheticEvent.prototype, {
 preventDefault: function () {
   this.defaultPrevented = true;
   var event = this.nativeEvent;
   if (!event) {
     return;
   }

   if (event.preventDefault) {
     event.preventDefault();
   } else if (typeof event.returnValue !== 'unknown') {
     event.returnValue = false;
   }
   this.isDefaultPrevented = functionThatReturnsTrue;
 },

 stopPropagation: function () {
   var event = this.nativeEvent;
   if (!event) {
     return;
   }

   if (event.stopPropagation) {
     event.stopPropagation();
   } else if (typeof event.cancelBubble !== 'unknown') {
     // The ChangeEventPlugin registers a "propertychange" event for
     // IE. This event does not support bubbling or cancelling, and
     // any references to cancelBubble throw "Member not found".  A
     // typeof check of "unknown" circumvents this issue (and is also
     // IE specific).
     event.cancelBubble = true;
   }

   this.isPropagationStopped = functionThatReturnsTrue;
 },

 /**
  * We release all dispatched `SyntheticEvent`s after each event loop, adding
  * them back into the pool. This allows a way to hold onto a reference that
  * won't be added back into the pool.
  */
 persist: function () {
   this.isPersistent = functionThatReturnsTrue;
 },

 /**
  * Checks if this event should be released back into the pool.
  *
  * @return {boolean} True if this should not be released, false otherwise.
  */
 isPersistent: functionThatReturnsFalse,

 /**
  * `PooledClass` looks for `destructor` on each instance it releases.
  */
 destructor: function () {
   var Interface = this.constructor.Interface;
   for (var propName in Interface) {
     {
       Object.defineProperty(this, propName, getPooledWarningPropertyDefinition(propName, Interface[propName]));
     }
   }
   this.dispatchConfig = null;
   this._targetInst = null;
   this.nativeEvent = null;
   this.isDefaultPrevented = functionThatReturnsFalse;
   this.isPropagationStopped = functionThatReturnsFalse;
   this._dispatchListeners = null;
   this._dispatchInstances = null;
   {
     Object.defineProperty(this, 'nativeEvent', getPooledWarningPropertyDefinition('nativeEvent', null));
     Object.defineProperty(this, 'isDefaultPrevented', getPooledWarningPropertyDefinition('isDefaultPrevented', functionThatReturnsFalse));
     Object.defineProperty(this, 'isPropagationStopped', getPooledWarningPropertyDefinition('isPropagationStopped', functionThatReturnsFalse));
     Object.defineProperty(this, 'preventDefault', getPooledWarningPropertyDefinition('preventDefault', function () {}));
     Object.defineProperty(this, 'stopPropagation', getPooledWarningPropertyDefinition('stopPropagation', function () {}));
   }
 }
});

SyntheticEvent.Interface = EventInterface;

/**
* Helper to reduce boilerplate when creating subclasses.
*/
SyntheticEvent.extend = function (Interface) {
 var Super = this;

 var E = function () {};
 E.prototype = Super.prototype;
 var prototype = new E();

 function Class() {
   return Super.apply(this, arguments);
 }
 _assign(prototype, Class.prototype);
 Class.prototype = prototype;
 Class.prototype.constructor = Class;

 Class.Interface = _assign({}, Super.Interface, Interface);
 Class.extend = Super.extend;
 addEventPoolingTo(Class);

 return Class;
};

addEventPoolingTo(SyntheticEvent);

/**
* Helper to nullify syntheticEvent instance properties when destructing
*
* @param {String} propName
* @param {?object} getVal
* @return {object} defineProperty object
*/
function getPooledWarningPropertyDefinition(propName, getVal) {
 var isFunction = typeof getVal === 'function';
 return {
   configurable: true,
   set: set,
   get: get
 };

 function set(val) {
   var action = isFunction ? 'setting the method' : 'setting the property';
   warn(action, 'This is effectively a no-op');
   return val;
 }

 function get() {
   var action = isFunction ? 'accessing the method' : 'accessing the property';
   var result = isFunction ? 'This is a no-op function' : 'This is set to null';
   warn(action, result);
   return getVal;
 }

 function warn(action, result) {
   var warningCondition = false;
   !warningCondition ? warningWithoutStack$1(false, "This synthetic event is reused for performance reasons. If you're seeing this, " + "you're %s `%s` on a released/nullified synthetic event. %s. " + 'If you must keep the original synthetic event around, use event.persist(). ' + 'See https://fb.me/react-event-pooling for more information.', action, propName, result) : void 0;
 }
}

function getPooledEvent(dispatchConfig, targetInst, nativeEvent, nativeInst) {
 var EventConstructor = this;
 if (EventConstructor.eventPool.length) {
   var instance = EventConstructor.eventPool.pop();
   EventConstructor.call(instance, dispatchConfig, targetInst, nativeEvent, nativeInst);
   return instance;
 }
 return new EventConstructor(dispatchConfig, targetInst, nativeEvent, nativeInst);
}

function releasePooledEvent(event) {
 var EventConstructor = this;
 !(event instanceof EventConstructor) ? invariant(false, 'Trying to release an event instance into a pool of a different type.') : void 0;
 event.destructor();
 if (EventConstructor.eventPool.length < EVENT_POOL_SIZE) {
   EventConstructor.eventPool.push(event);
 }
}

function addEventPoolingTo(EventConstructor) {
 EventConstructor.eventPool = [];
 EventConstructor.getPooled = getPooledEvent;
 EventConstructor.release = releasePooledEvent;
}

/**
* Forked from fbjs/warning:
* https://github.com/facebook/fbjs/blob/e66ba20ad5be433eb54423f2b097d829324d9de6/packages/fbjs/src/__forks__/warning.js
*
* Only change is we use console.warn instead of console.error,
* and do nothing when 'console' is not supported.
* This really simplifies the code.
* ---
* Similar to invariant but only logs a warning if the condition is not met.
* This can be used to log issues in development environments in critical
* paths. Removing the logging code for production environments will keep the
* same logic and follow the same code paths.
*/

var lowPriorityWarning = function () {};

{
 var printWarning = function (format) {
   for (var _len = arguments.length, args = Array(_len > 1 ? _len - 1 : 0), _key = 1; _key < _len; _key++) {
     args[_key - 1] = arguments[_key];
   }

   var argIndex = 0;
   var message = 'Warning: ' + format.replace(/%s/g, function () {
     return args[argIndex++];
   });
   if (typeof console !== 'undefined') {
     console.warn(message);
   }
   try {
     // --- Welcome to debugging React ---
     // This error was thrown as a convenience so that you can use this stack
     // to find the callsite that caused this warning to fire.
     throw new Error(message);
   } catch (x) {}
 };

 lowPriorityWarning = function (condition, format) {
   if (format === undefined) {
     throw new Error('`lowPriorityWarning(condition, format, ...args)` requires a warning ' + 'message argument');
   }
   if (!condition) {
     for (var _len2 = arguments.length, args = Array(_len2 > 2 ? _len2 - 2 : 0), _key2 = 2; _key2 < _len2; _key2++) {
       args[_key2 - 2] = arguments[_key2];
     }

     printWarning.apply(undefined, [format].concat(args));
   }
 };
}

var lowPriorityWarning$1 = lowPriorityWarning;

/**
* HTML nodeType values that represent the type of the node
*/

var ELEMENT_NODE = 1;

// Do not uses the below two methods directly!
// Instead use constants exported from DOMTopLevelEventTypes in ReactDOM.
// (It is the only module that is allowed to access these methods.)

function unsafeCastStringToDOMTopLevelType(topLevelType) {
 return topLevelType;
}

var canUseDOM = !!(typeof window !== 'undefined' && window.document && window.document.createElement);

/**
* Generate a mapping of standard vendor prefixes using the defined style property and event name.
*
* @param {string} styleProp
* @param {string} eventName
* @returns {object}
*/
function makePrefixMap(styleProp, eventName) {
 var prefixes = {};

 prefixes[styleProp.toLowerCase()] = eventName.toLowerCase();
 prefixes['Webkit' + styleProp] = 'webkit' + eventName;
 prefixes['Moz' + styleProp] = 'moz' + eventName;

 return prefixes;
}

/**
* A list of event names to a configurable list of vendor prefixes.
*/
var vendorPrefixes = {
 animationend: makePrefixMap('Animation', 'AnimationEnd'),
 animationiteration: makePrefixMap('Animation', 'AnimationIteration'),
 animationstart: makePrefixMap('Animation', 'AnimationStart'),
 transitionend: makePrefixMap('Transition', 'TransitionEnd')
};

/**
* Event names that have already been detected and prefixed (if applicable).
*/
var prefixedEventNames = {};

/**
* Element to check for prefixes on.
*/
var style = {};

/**
* Bootstrap if a DOM exists.
*/
if (canUseDOM) {
 style = document.createElementNS('http://www.w3.org/1999/xhtml', 'div').style;

 // On some platforms, in particular some releases of Android 4.x,
 // the un-prefixed "animation" and "transition" properties are defined on the
 // style object but the events that fire will still be prefixed, so we need
 // to check if the un-prefixed events are usable, and if not remove them from the map.
 if (!('AnimationEvent' in window)) {
   delete vendorPrefixes.animationend.animation;
   delete vendorPrefixes.animationiteration.animation;
   delete vendorPrefixes.animationstart.animation;
 }

 // Same as above
 if (!('TransitionEvent' in window)) {
   delete vendorPrefixes.transitionend.transition;
 }
}

/**
* Attempts to determine the correct vendor prefixed event name.
*
* @param {string} eventName
* @returns {string}
*/
function getVendorPrefixedEventName(eventName) {
 if (prefixedEventNames[eventName]) {
   return prefixedEventNames[eventName];
 } else if (!vendorPrefixes[eventName]) {
   return eventName;
 }

 var prefixMap = vendorPrefixes[eventName];

 for (var styleProp in prefixMap) {
   if (prefixMap.hasOwnProperty(styleProp) && styleProp in style) {
     return prefixedEventNames[eventName] = prefixMap[styleProp];
   }
 }

 return eventName;
}

/**
* To identify top level events in ReactDOM, we use constants defined by this
* module. This is the only module that uses the unsafe* methods to express
* that the constants actually correspond to the browser event names. This lets
* us save some bundle size by avoiding a top level type -> event name map.
* The rest of ReactDOM code should import top level types from this file.
*/
var TOP_ABORT = unsafeCastStringToDOMTopLevelType('abort');
var TOP_ANIMATION_END = unsafeCastStringToDOMTopLevelType(getVendorPrefixedEventName('animationend'));
var TOP_ANIMATION_ITERATION = unsafeCastStringToDOMTopLevelType(getVendorPrefixedEventName('animationiteration'));
var TOP_ANIMATION_START = unsafeCastStringToDOMTopLevelType(getVendorPrefixedEventName('animationstart'));
var TOP_BLUR = unsafeCastStringToDOMTopLevelType('blur');
var TOP_CAN_PLAY = unsafeCastStringToDOMTopLevelType('canplay');
var TOP_CAN_PLAY_THROUGH = unsafeCastStringToDOMTopLevelType('canplaythrough');
var TOP_CANCEL = unsafeCastStringToDOMTopLevelType('cancel');
var TOP_CHANGE = unsafeCastStringToDOMTopLevelType('change');
var TOP_CLICK = unsafeCastStringToDOMTopLevelType('click');
var TOP_CLOSE = unsafeCastStringToDOMTopLevelType('close');
var TOP_COMPOSITION_END = unsafeCastStringToDOMTopLevelType('compositionend');
var TOP_COMPOSITION_START = unsafeCastStringToDOMTopLevelType('compositionstart');
var TOP_COMPOSITION_UPDATE = unsafeCastStringToDOMTopLevelType('compositionupdate');
var TOP_CONTEXT_MENU = unsafeCastStringToDOMTopLevelType('contextmenu');
var TOP_COPY = unsafeCastStringToDOMTopLevelType('copy');
var TOP_CUT = unsafeCastStringToDOMTopLevelType('cut');
var TOP_DOUBLE_CLICK = unsafeCastStringToDOMTopLevelType('dblclick');

var TOP_DRAG = unsafeCastStringToDOMTopLevelType('drag');
var TOP_DRAG_END = unsafeCastStringToDOMTopLevelType('dragend');
var TOP_DRAG_ENTER = unsafeCastStringToDOMTopLevelType('dragenter');
var TOP_DRAG_EXIT = unsafeCastStringToDOMTopLevelType('dragexit');
var TOP_DRAG_LEAVE = unsafeCastStringToDOMTopLevelType('dragleave');
var TOP_DRAG_OVER = unsafeCastStringToDOMTopLevelType('dragover');
var TOP_DRAG_START = unsafeCastStringToDOMTopLevelType('dragstart');
var TOP_DROP = unsafeCastStringToDOMTopLevelType('drop');
var TOP_DURATION_CHANGE = unsafeCastStringToDOMTopLevelType('durationchange');
var TOP_EMPTIED = unsafeCastStringToDOMTopLevelType('emptied');
var TOP_ENCRYPTED = unsafeCastStringToDOMTopLevelType('encrypted');
var TOP_ENDED = unsafeCastStringToDOMTopLevelType('ended');
var TOP_ERROR = unsafeCastStringToDOMTopLevelType('error');
var TOP_FOCUS = unsafeCastStringToDOMTopLevelType('focus');

var TOP_INPUT = unsafeCastStringToDOMTopLevelType('input');

var TOP_KEY_DOWN = unsafeCastStringToDOMTopLevelType('keydown');
var TOP_KEY_PRESS = unsafeCastStringToDOMTopLevelType('keypress');
var TOP_KEY_UP = unsafeCastStringToDOMTopLevelType('keyup');
var TOP_LOAD = unsafeCastStringToDOMTopLevelType('load');
var TOP_LOAD_START = unsafeCastStringToDOMTopLevelType('loadstart');
var TOP_LOADED_DATA = unsafeCastStringToDOMTopLevelType('loadeddata');
var TOP_LOADED_METADATA = unsafeCastStringToDOMTopLevelType('loadedmetadata');

var TOP_MOUSE_DOWN = unsafeCastStringToDOMTopLevelType('mousedown');
var TOP_MOUSE_MOVE = unsafeCastStringToDOMTopLevelType('mousemove');
var TOP_MOUSE_OUT = unsafeCastStringToDOMTopLevelType('mouseout');
var TOP_MOUSE_OVER = unsafeCastStringToDOMTopLevelType('mouseover');
var TOP_MOUSE_UP = unsafeCastStringToDOMTopLevelType('mouseup');
var TOP_PASTE = unsafeCastStringToDOMTopLevelType('paste');
var TOP_PAUSE = unsafeCastStringToDOMTopLevelType('pause');
var TOP_PLAY = unsafeCastStringToDOMTopLevelType('play');
var TOP_PLAYING = unsafeCastStringToDOMTopLevelType('playing');








var TOP_PROGRESS = unsafeCastStringToDOMTopLevelType('progress');
var TOP_RATE_CHANGE = unsafeCastStringToDOMTopLevelType('ratechange');

var TOP_SCROLL = unsafeCastStringToDOMTopLevelType('scroll');
var TOP_SEEKED = unsafeCastStringToDOMTopLevelType('seeked');
var TOP_SEEKING = unsafeCastStringToDOMTopLevelType('seeking');
var TOP_SELECTION_CHANGE = unsafeCastStringToDOMTopLevelType('selectionchange');
var TOP_STALLED = unsafeCastStringToDOMTopLevelType('stalled');

var TOP_SUSPEND = unsafeCastStringToDOMTopLevelType('suspend');
var TOP_TEXT_INPUT = unsafeCastStringToDOMTopLevelType('textInput');
var TOP_TIME_UPDATE = unsafeCastStringToDOMTopLevelType('timeupdate');
var TOP_TOGGLE = unsafeCastStringToDOMTopLevelType('toggle');
var TOP_TOUCH_CANCEL = unsafeCastStringToDOMTopLevelType('touchcancel');
var TOP_TOUCH_END = unsafeCastStringToDOMTopLevelType('touchend');
var TOP_TOUCH_MOVE = unsafeCastStringToDOMTopLevelType('touchmove');
var TOP_TOUCH_START = unsafeCastStringToDOMTopLevelType('touchstart');
var TOP_TRANSITION_END = unsafeCastStringToDOMTopLevelType(getVendorPrefixedEventName('transitionend'));
var TOP_VOLUME_CHANGE = unsafeCastStringToDOMTopLevelType('volumechange');
var TOP_WAITING = unsafeCastStringToDOMTopLevelType('waiting');
var TOP_WHEEL = unsafeCastStringToDOMTopLevelType('wheel');

// List of events that need to be individually attached to media elements.
// Note that events in this list will *not* be listened to at the top level
// unless they're explicitly whitelisted in `ReactBrowserEventEmitter.listenTo`.

// for .act's return value
var findDOMNode = ReactDOM.findDOMNode;
// Keep in sync with ReactDOMUnstableNativeDependencies.js
// and ReactDOM.js:

var _ReactDOM$__SECRET_IN = ReactDOM.__SECRET_INTERNALS_DO_NOT_USE_OR_YOU_WILL_BE_FIRED.Events;
var getInstanceFromNode = _ReactDOM$__SECRET_IN[0];
var getNodeFromInstance = _ReactDOM$__SECRET_IN[1];
var getFiberCurrentPropsFromNode = _ReactDOM$__SECRET_IN[2];
var injectEventPluginsByName = _ReactDOM$__SECRET_IN[3];
var eventNameDispatchConfigs = _ReactDOM$__SECRET_IN[4];
var accumulateTwoPhaseDispatches = _ReactDOM$__SECRET_IN[5];
var accumulateDirectDispatches = _ReactDOM$__SECRET_IN[6];
var enqueueStateRestore = _ReactDOM$__SECRET_IN[7];
var restoreStateIfNeeded = _ReactDOM$__SECRET_IN[8];
var dispatchEvent = _ReactDOM$__SECRET_IN[9];
var runEventsInBatch = _ReactDOM$__SECRET_IN[10];


function Event(suffix) {}

var hasWarnedAboutDeprecatedMockComponent = false;

/**
* @class ReactTestUtils
*/

/**
* Simulates a top level event being dispatched from a raw event that occurred
* on an `Element` node.
* @param {number} topLevelType A number from `TopLevelEventTypes`
* @param {!Element} node The dom to simulate an event occurring on.
* @param {?Event} fakeNativeEvent Fake native event to use in SyntheticEvent.
*/
function simulateNativeEventOnNode(topLevelType, node, fakeNativeEvent) {
 fakeNativeEvent.target = node;
 dispatchEvent(topLevelType, fakeNativeEvent);
}

/**
* Simulates a top level event being dispatched from a raw event that occurred
* on the `ReactDOMComponent` `comp`.
* @param {Object} topLevelType A type from `BrowserEventConstants.topLevelTypes`.
* @param {!ReactDOMComponent} comp
* @param {?Event} fakeNativeEvent Fake native event to use in SyntheticEvent.
*/
function simulateNativeEventOnDOMComponent(topLevelType, comp, fakeNativeEvent) {
 simulateNativeEventOnNode(topLevelType, findDOMNode(comp), fakeNativeEvent);
}

function findAllInRenderedFiberTreeInternal(fiber, test) {
 if (!fiber) {
   return [];
 }
 var currentParent = findCurrentFiberUsingSlowPath(fiber);
 if (!currentParent) {
   return [];
 }
 var node = currentParent;
 var ret = [];
 while (true) {
   if (node.tag === HostComponent || node.tag === HostText || node.tag === ClassComponent || node.tag === FunctionComponent) {
     var publicInst = node.stateNode;
     if (test(publicInst)) {
       ret.push(publicInst);
     }
   }
   if (node.child) {
     node.child.return = node;
     node = node.child;
     continue;
   }
   if (node === currentParent) {
     return ret;
   }
   while (!node.sibling) {
     if (!node.return || node.return === currentParent) {
       return ret;
     }
     node = node.return;
   }
   node.sibling.return = node.return;
   node = node.sibling;
 }
}

function validateClassInstance(inst, methodName) {
 if (!inst) {
   // This is probably too relaxed but it's existing behavior.
   return;
 }
 if (get(inst)) {
   // This is a public instance indeed.
   return;
 }
 var received = void 0;
 var stringified = '' + inst;
 if (Array.isArray(inst)) {
   received = 'an array';
 } else if (inst && inst.nodeType === ELEMENT_NODE && inst.tagName) {
   received = 'a DOM node';
 } else if (stringified === '[object Object]') {
   received = 'object with keys {' + Object.keys(inst).join(', ') + '}';
 } else {
   received = stringified;
 }
 invariant(false, '%s(...): the first argument must be a React class instance. Instead received: %s.', methodName, received);
}

// a stub element, lazily initialized, used by act() when flushing effects
var actContainerElement = null;

/**
* Utilities for making it easy to test React components.
*
* See https://reactjs.org/docs/test-utils.html
*
* Todo: Support the entire DOM.scry query syntax. For now, these simple
* utilities will suffice for testing purposes.
* @lends ReactTestUtils
*/
var ReactTestUtils = {
 renderIntoDocument: function (element) {
   var div = document.createElementNS('http://www.w3.org/1999/xhtml', 'div');
   // None of our tests actually require attaching the container to the
   // DOM, and doing so creates a mess that we rely on test isolation to
   // clean up, so we're going to stop honoring the name of this method
   // (and probably rename it eventually) if no problems arise.
   // document.documentElement.appendChild(div);
   return ReactDOM.render(element, div);
 },

 isElement: function (element) {
   return React.isValidElement(element);
 },

 isElementOfType: function (inst, convenienceConstructor) {
   return React.isValidElement(inst) && inst.type === convenienceConstructor;
 },

 isDOMComponent: function (inst) {
   return !!(inst && inst.nodeType === ELEMENT_NODE && inst.tagName);
 },

 isDOMComponentElement: function (inst) {
   return !!(inst && React.isValidElement(inst) && !!inst.tagName);
 },

 isCompositeComponent: function (inst) {
   if (ReactTestUtils.isDOMComponent(inst)) {
     // Accessing inst.setState warns; just return false as that'll be what
     // this returns when we have DOM nodes as refs directly
     return false;
   }
   return inst != null && typeof inst.render === 'function' && typeof inst.setState === 'function';
 },

 isCompositeComponentWithType: function (inst, type) {
   if (!ReactTestUtils.isCompositeComponent(inst)) {
     return false;
   }
   var internalInstance = get(inst);
   var constructor = internalInstance.type;
   return constructor === type;
 },

 findAllInRenderedTree: function (inst, test) {
   validateClassInstance(inst, 'findAllInRenderedTree');
   if (!inst) {
     return [];
   }
   var internalInstance = get(inst);
   return findAllInRenderedFiberTreeInternal(internalInstance, test);
 },

 /**
  * Finds all instance of components in the rendered tree that are DOM
  * components with the class name matching `className`.
  * @return {array} an array of all the matches.
  */
 scryRenderedDOMComponentsWithClass: function (root, classNames) {
   validateClassInstance(root, 'scryRenderedDOMComponentsWithClass');
   return ReactTestUtils.findAllInRenderedTree(root, function (inst) {
     if (ReactTestUtils.isDOMComponent(inst)) {
       var className = inst.className;
       if (typeof className !== 'string') {
         // SVG, probably.
         className = inst.getAttribute('class') || '';
       }
       var classList = className.split(/\s+/);

       if (!Array.isArray(classNames)) {
         !(classNames !== undefined) ? invariant(false, 'TestUtils.scryRenderedDOMComponentsWithClass expects a className as a second argument.') : void 0;
         classNames = classNames.split(/\s+/);
       }
       return classNames.every(function (name) {
         return classList.indexOf(name) !== -1;
       });
     }
     return false;
   });
 },

 /**
  * Like scryRenderedDOMComponentsWithClass but expects there to be one result,
  * and returns that one result, or throws exception if there is any other
  * number of matches besides one.
  * @return {!ReactDOMComponent} The one match.
  */
 findRenderedDOMComponentWithClass: function (root, className) {
   validateClassInstance(root, 'findRenderedDOMComponentWithClass');
   var all = ReactTestUtils.scryRenderedDOMComponentsWithClass(root, className);
   if (all.length !== 1) {
     throw new Error('Did not find exactly one match (found: ' + all.length + ') ' + 'for class:' + className);
   }
   return all[0];
 },

 /**
  * Finds all instance of components in the rendered tree that are DOM
  * components with the tag name matching `tagName`.
  * @return {array} an array of all the matches.
  */
 scryRenderedDOMComponentsWithTag: function (root, tagName) {
   validateClassInstance(root, 'scryRenderedDOMComponentsWithTag');
   return ReactTestUtils.findAllInRenderedTree(root, function (inst) {
     return ReactTestUtils.isDOMComponent(inst) && inst.tagName.toUpperCase() === tagName.toUpperCase();
   });
 },

 /**
  * Like scryRenderedDOMComponentsWithTag but expects there to be one result,
  * and returns that one result, or throws exception if there is any other
  * number of matches besides one.
  * @return {!ReactDOMComponent} The one match.
  */
 findRenderedDOMComponentWithTag: function (root, tagName) {
   validateClassInstance(root, 'findRenderedDOMComponentWithTag');
   var all = ReactTestUtils.scryRenderedDOMComponentsWithTag(root, tagName);
   if (all.length !== 1) {
     throw new Error('Did not find exactly one match (found: ' + all.length + ') ' + 'for tag:' + tagName);
   }
   return all[0];
 },

 /**
  * Finds all instances of components with type equal to `componentType`.
  * @return {array} an array of all the matches.
  */
 scryRenderedComponentsWithType: function (root, componentType) {
   validateClassInstance(root, 'scryRenderedComponentsWithType');
   return ReactTestUtils.findAllInRenderedTree(root, function (inst) {
     return ReactTestUtils.isCompositeComponentWithType(inst, componentType);
   });
 },

 /**
  * Same as `scryRenderedComponentsWithType` but expects there to be one result
  * and returns that one result, or throws exception if there is any other
  * number of matches besides one.
  * @return {!ReactComponent} The one match.
  */
 findRenderedComponentWithType: function (root, componentType) {
   validateClassInstance(root, 'findRenderedComponentWithType');
   var all = ReactTestUtils.scryRenderedComponentsWithType(root, componentType);
   if (all.length !== 1) {
     throw new Error('Did not find exactly one match (found: ' + all.length + ') ' + 'for componentType:' + componentType);
   }
   return all[0];
 },

 /**
  * Pass a mocked component module to this method to augment it with
  * useful methods that allow it to be used as a dummy React component.
  * Instead of rendering as usual, the component will become a simple
  * <div> containing any provided children.
  *
  * @param {object} module the mock function object exported from a
  *                        module that defines the component to be mocked
  * @param {?string} mockTagName optional dummy root tag name to return
  *                              from render method (overrides
  *                              module.mockTagName if provided)
  * @return {object} the ReactTestUtils object (for chaining)
  */
 mockComponent: function (module, mockTagName) {
   if (!hasWarnedAboutDeprecatedMockComponent) {
     hasWarnedAboutDeprecatedMockComponent = true;
     lowPriorityWarning$1(false, 'ReactTestUtils.mockComponent() is deprecated. ' + 'Use shallow rendering or jest.mock() instead.\n\n' + 'See https://fb.me/test-utils-mock-component for more information.');
   }

   mockTagName = mockTagName || module.mockTagName || 'div';

   module.prototype.render.mockImplementation(function () {
     return React.createElement(mockTagName, null, this.props.children);
   });

   return this;
 },

 nativeTouchData: function (x, y) {
   return {
     touches: [{ pageX: x, pageY: y }]
   };
 },

 Simulate: null,
 SimulateNative: {},

 act: function (callback) {
   if (actContainerElement === null) {
     // warn if we can't actually create the stub element
     {
       !(typeof document !== 'undefined' && document !== null && typeof document.createElement === 'function') ? warningWithoutStack$1(false, 'It looks like you called TestUtils.act(...) in a non-browser environment. ' + "If you're using TestRenderer for your tests, you should call " + 'TestRenderer.act(...) instead of TestUtils.act(...).') : void 0;
     }
     // then make it
     actContainerElement = document.createElementNS('http://www.w3.org/1999/xhtml', 'div');
   }

   var result = ReactDOM.unstable_batchedUpdates(callback);
   // note: keep these warning messages in sync with
   // createReactNoop.js and ReactTestRenderer.js
   {
     if (result !== undefined) {
       var addendum = void 0;
       if (result !== null && typeof result.then === 'function') {
         addendum = '\n\nIt looks like you wrote ReactTestUtils.act(async () => ...), ' + 'or returned a Promise from the callback passed to it. ' + 'Putting asynchronous logic inside ReactTestUtils.act(...) is not supported.\n';
       } else {
         addendum = ' You returned: ' + result;
       }
       warningWithoutStack$1(false, 'The callback passed to ReactTestUtils.act(...) function must not return anything.%s', addendum);
     }
   }
   ReactDOM.render(React.createElement('div', null), actContainerElement);
   // we want the user to not expect a return,
   // but we want to warn if they use it like they can await on it.
   return {
     then: function () {
       {
         warningWithoutStack$1(false, 'Do not await the result of calling ReactTestUtils.act(...), it is not a Promise.');
       }
     }
   };
 }
};

/**
* Exports:
*
* - `ReactTestUtils.Simulate.click(Element)`
* - `ReactTestUtils.Simulate.mouseMove(Element)`
* - `ReactTestUtils.Simulate.change(Element)`
* - ... (All keys from event plugin `eventTypes` objects)
*/
function makeSimulator(eventType) {
 return function (domNode, eventData) {
   !!React.isValidElement(domNode) ? invariant(false, 'TestUtils.Simulate expected a DOM node as the first argument but received a React element. Pass the DOM node you wish to simulate the event on instead. Note that TestUtils.Simulate will not work if you are using shallow rendering.') : void 0;
   !!ReactTestUtils.isCompositeComponent(domNode) ? invariant(false, 'TestUtils.Simulate expected a DOM node as the first argument but received a component instance. Pass the DOM node you wish to simulate the event on instead.') : void 0;

   var dispatchConfig = eventNameDispatchConfigs[eventType];

   var fakeNativeEvent = new Event();
   fakeNativeEvent.target = domNode;
   fakeNativeEvent.type = eventType.toLowerCase();

   // We don't use SyntheticEvent.getPooled in order to not have to worry about
   // properly destroying any properties assigned from `eventData` upon release
   var targetInst = getInstanceFromNode(domNode);
   var event = new SyntheticEvent(dispatchConfig, targetInst, fakeNativeEvent, domNode);

   // Since we aren't using pooling, always persist the event. This will make
   // sure it's marked and won't warn when setting additional properties.
   event.persist();
   _assign(event, eventData);

   if (dispatchConfig.phasedRegistrationNames) {
     accumulateTwoPhaseDispatches(event);
   } else {
     accumulateDirectDispatches(event);
   }

   ReactDOM.unstable_batchedUpdates(function () {
     // Normally extractEvent enqueues a state restore, but we'll just always
     // do that since we're by-passing it here.
     enqueueStateRestore(domNode);
     runEventsInBatch(event);
   });
   restoreStateIfNeeded();
 };
}

function buildSimulators() {
 ReactTestUtils.Simulate = {};

 var eventType = void 0;
 for (eventType in eventNameDispatchConfigs) {
   /**
    * @param {!Element|ReactDOMComponent} domComponentOrNode
    * @param {?object} eventData Fake event data to use in SyntheticEvent.
    */
   ReactTestUtils.Simulate[eventType] = makeSimulator(eventType);
 }
}

buildSimulators();

/**
* Exports:
*
* - `ReactTestUtils.SimulateNative.click(Element/ReactDOMComponent)`
* - `ReactTestUtils.SimulateNative.mouseMove(Element/ReactDOMComponent)`
* - `ReactTestUtils.SimulateNative.mouseIn/ReactDOMComponent)`
* - `ReactTestUtils.SimulateNative.mouseOut(Element/ReactDOMComponent)`
* - ... (All keys from `BrowserEventConstants.topLevelTypes`)
*
* Note: Top level event types are a subset of the entire set of handler types
* (which include a broader set of "synthetic" events). For example, onDragDone
* is a synthetic event. Except when testing an event plugin or React's event
* handling code specifically, you probably want to use ReactTestUtils.Simulate
* to dispatch synthetic events.
*/

function makeNativeSimulator(eventType, topLevelType) {
 return function (domComponentOrNode, nativeEventData) {
   var fakeNativeEvent = new Event(eventType);
   _assign(fakeNativeEvent, nativeEventData);
   if (ReactTestUtils.isDOMComponent(domComponentOrNode)) {
     simulateNativeEventOnDOMComponent(topLevelType, domComponentOrNode, fakeNativeEvent);
   } else if (domComponentOrNode.tagName) {
     // Will allow on actual dom nodes.
     simulateNativeEventOnNode(topLevelType, domComponentOrNode, fakeNativeEvent);
   }
 };
}

[[TOP_ABORT, 'abort'], [TOP_ANIMATION_END, 'animationEnd'], [TOP_ANIMATION_ITERATION, 'animationIteration'], [TOP_ANIMATION_START, 'animationStart'], [TOP_BLUR, 'blur'], [TOP_CAN_PLAY_THROUGH, 'canPlayThrough'], [TOP_CAN_PLAY, 'canPlay'], [TOP_CANCEL, 'cancel'], [TOP_CHANGE, 'change'], [TOP_CLICK, 'click'], [TOP_CLOSE, 'close'], [TOP_COMPOSITION_END, 'compositionEnd'], [TOP_COMPOSITION_START, 'compositionStart'], [TOP_COMPOSITION_UPDATE, 'compositionUpdate'], [TOP_CONTEXT_MENU, 'contextMenu'], [TOP_COPY, 'copy'], [TOP_CUT, 'cut'], [TOP_DOUBLE_CLICK, 'doubleClick'], [TOP_DRAG_END, 'dragEnd'], [TOP_DRAG_ENTER, 'dragEnter'], [TOP_DRAG_EXIT, 'dragExit'], [TOP_DRAG_LEAVE, 'dragLeave'], [TOP_DRAG_OVER, 'dragOver'], [TOP_DRAG_START, 'dragStart'], [TOP_DRAG, 'drag'], [TOP_DROP, 'drop'], [TOP_DURATION_CHANGE, 'durationChange'], [TOP_EMPTIED, 'emptied'], [TOP_ENCRYPTED, 'encrypted'], [TOP_ENDED, 'ended'], [TOP_ERROR, 'error'], [TOP_FOCUS, 'focus'], [TOP_INPUT, 'input'], [TOP_KEY_DOWN, 'keyDown'], [TOP_KEY_PRESS, 'keyPress'], [TOP_KEY_UP, 'keyUp'], [TOP_LOAD_START, 'loadStart'], [TOP_LOAD_START, 'loadStart'], [TOP_LOAD, 'load'], [TOP_LOADED_DATA, 'loadedData'], [TOP_LOADED_METADATA, 'loadedMetadata'], [TOP_MOUSE_DOWN, 'mouseDown'], [TOP_MOUSE_MOVE, 'mouseMove'], [TOP_MOUSE_OUT, 'mouseOut'], [TOP_MOUSE_OVER, 'mouseOver'], [TOP_MOUSE_UP, 'mouseUp'], [TOP_PASTE, 'paste'], [TOP_PAUSE, 'pause'], [TOP_PLAY, 'play'], [TOP_PLAYING, 'playing'], [TOP_PROGRESS, 'progress'], [TOP_RATE_CHANGE, 'rateChange'], [TOP_SCROLL, 'scroll'], [TOP_SEEKED, 'seeked'], [TOP_SEEKING, 'seeking'], [TOP_SELECTION_CHANGE, 'selectionChange'], [TOP_STALLED, 'stalled'], [TOP_SUSPEND, 'suspend'], [TOP_TEXT_INPUT, 'textInput'], [TOP_TIME_UPDATE, 'timeUpdate'], [TOP_TOGGLE, 'toggle'], [TOP_TOUCH_CANCEL, 'touchCancel'], [TOP_TOUCH_END, 'touchEnd'], [TOP_TOUCH_MOVE, 'touchMove'], [TOP_TOUCH_START, 'touchStart'], [TOP_TRANSITION_END, 'transitionEnd'], [TOP_VOLUME_CHANGE, 'volumeChange'], [TOP_WAITING, 'waiting'], [TOP_WHEEL, 'wheel']].forEach(function (_ref) {
 var topLevelType = _ref[0],
     eventType = _ref[1];

 /**
  * @param {!Element|ReactDOMComponent} domComponentOrNode
  * @param {?Event} nativeEventData Fake native event to use in SyntheticEvent.
  */
 ReactTestUtils.SimulateNative[eventType] = makeNativeSimulator(eventType, topLevelType);
});



var ReactTestUtils$2 = ({
default: ReactTestUtils
});

var ReactTestUtils$3 = ( ReactTestUtils$2 && ReactTestUtils ) || ReactTestUtils$2;

// TODO: decide on the top-level export form.
// This is hacky but makes it work with both Rollup and Jest.
var testUtils = ReactTestUtils$3.default || ReactTestUtils$3;

return testUtils;

})));