/**
* @license
* Copyright Google Inc. All Rights Reserved.
*
* Use of this source code is governed by an MIT-style license that can be
* found in the LICENSE file at https://angular.io/license
*/
(function (global, factory) {
	typeof exports === 'object' && typeof module !== 'undefined' ? factory() :
	typeof define === 'function' && define.amd ? define(factory) :
	(factory());
}(this, (function () { 'use strict';

/**
 * @license
 * Copyright Google Inc. All Rights Reserved.
 *
 * Use of this source code is governed by an MIT-style license that can be
 * found in the LICENSE file at https://angular.io/license
 */
(function () {
    var __extends = function (d, b) {
        for (var p in b)
            if (b.hasOwnProperty(p))
                d[p] = b[p];
        function __() {
            this.constructor = d;
        }
        d.prototype = b === null ? Object.create(b) : (__.prototype = b.prototype, new __());
    };
    // Patch jasmine's describe/it/beforeEach/afterEach functions so test code always runs
    // in a testZone (ProxyZone). (See: angular/zone.js#91 & angular/angular#10503)
    if (!Zone)
        throw new Error('Missing: zone.js');
    if (typeof jasmine == 'undefined')
        throw new Error('Missing: jasmine.js');
    if (jasmine['__zone_patch__'])
        throw new Error('\'jasmine\' has already been patched with \'Zone\'.');
    jasmine['__zone_patch__'] = true;
    var SyncTestZoneSpec = Zone['SyncTestZoneSpec'];
    var ProxyZoneSpec = Zone['ProxyZoneSpec'];
    if (!SyncTestZoneSpec)
        throw new Error('Missing: SyncTestZoneSpec');
    if (!ProxyZoneSpec)
        throw new Error('Missing: ProxyZoneSpec');
    var ambientZone = Zone.current;
    // Create a synchronous-only zone in which to run `describe` blocks in order to raise an
    // error if any asynchronous operations are attempted inside of a `describe` but outside of
    // a `beforeEach` or `it`.
    var syncZone = ambientZone.fork(new SyncTestZoneSpec('jasmine.describe'));
    // This is the zone which will be used for running individual tests.
    // It will be a proxy zone, so that the tests function can retroactively install
    // different zones.
    // Example:
    //   - In beforeEach() do childZone = Zone.current.fork(...);
    //   - In it() try to do fakeAsync(). The issue is that because the beforeEach forked the
    //     zone outside of fakeAsync it will be able to escape the fakeAsync rules.
    //   - Because ProxyZone is parent fo `childZone` fakeAsync can retroactively add
    //     fakeAsync behavior to the childZone.
    var testProxyZone = null;
    // Monkey patch all of the jasmine DSL so that each function runs in appropriate zone.
    var jasmineEnv = jasmine.getEnv();
    ['describe', 'xdescribe', 'fdescribe'].forEach(function (methodName) {
        var originalJasmineFn = jasmineEnv[methodName];
        jasmineEnv[methodName] = function (description, specDefinitions) {
            return originalJasmineFn.call(this, description, wrapDescribeInZone(specDefinitions));
        };
    });
    ['it', 'xit', 'fit'].forEach(function (methodName) {
        var originalJasmineFn = jasmineEnv[methodName];
        jasmineEnv[Zone.__symbol__(methodName)] = originalJasmineFn;
        jasmineEnv[methodName] = function (description, specDefinitions, timeout) {
            arguments[1] = wrapTestInZone(specDefinitions);
            return originalJasmineFn.apply(this, arguments);
        };
    });
    ['beforeEach', 'afterEach'].forEach(function (methodName) {
        var originalJasmineFn = jasmineEnv[methodName];
        jasmineEnv[Zone.__symbol__(methodName)] = originalJasmineFn;
        jasmineEnv[methodName] = function (specDefinitions, timeout) {
            arguments[0] = wrapTestInZone(specDefinitions);
            return originalJasmineFn.apply(this, arguments);
        };
    });
    /**
     * Gets a function wrapping the body of a Jasmine `describe` block to execute in a
     * synchronous-only zone.
     */
    function wrapDescribeInZone(describeBody) {
        return function () {
            return syncZone.run(describeBody, this, arguments);
        };
    }
    /**
     * Gets a function wrapping the body of a Jasmine `it/beforeEach/afterEach` block to
     * execute in a ProxyZone zone.
     * This will run in `testProxyZone`. The `testProxyZone` will be reset by the `ZoneQueueRunner`
     */
    function wrapTestInZone(testBody) {
        // The `done` callback is only passed through if the function expects at least one argument.
        // Note we have to make a function with correct number of arguments, otherwise jasmine will
        // think that all functions are sync or async.
        return testBody && (testBody.length ? function (done) {
            return testProxyZone.run(testBody, this, [done]);
        } : function () {
            return testProxyZone.run(testBody, this);
        });
    }
    var QueueRunner = jasmine.QueueRunner;
    jasmine.QueueRunner = (function (_super) {
        __extends(ZoneQueueRunner, _super);
        function ZoneQueueRunner(attrs) {
            attrs.onComplete = (function (fn) { return function () {
                // All functions are done, clear the test zone.
                testProxyZone = null;
                ambientZone.scheduleMicroTask('jasmine.onComplete', fn);
            }; })(attrs.onComplete);
            _super.call(this, attrs);
        }
        ZoneQueueRunner.prototype.execute = function () {
            var _this = this;
            if (Zone.current !== ambientZone)
                throw new Error('Unexpected Zone: ' + Zone.current.name);
            testProxyZone = ambientZone.fork(new ProxyZoneSpec());
            if (!Zone.currentTask) {
                // if we are not running in a task then if someone would register a
                // element.addEventListener and then calling element.click() the
                // addEventListener callback would think that it is the top most task and would
                // drain the microtask queue on element.click() which would be incorrect.
                // For this reason we always force a task when running jasmine tests.
                Zone.current.scheduleMicroTask('jasmine.execute().forceTask', function () { return QueueRunner.prototype.execute.call(_this); });
            }
            else {
                _super.prototype.execute.call(this);
            }
        };
        return ZoneQueueRunner;
    }(QueueRunner));
})();

})));
