/**
 * @license Angular v8.0.3
 * (c) 2010-2019 Google LLC. https://angular.io/
 * License: MIT
 */

import { RendererFactory2, getDebugNode, InjectionToken, ɵstringify, ɵReflectionCapabilities, Directive, Component, Pipe, NgModule, COMPILER_OPTIONS, ɵcompileNgModuleDefs, ɵNgModuleFactory, ɵgetInjectableDef, ɵNG_COMPONENT_DEF, ɵRender3NgModuleRef, ApplicationInitStatus, ɵRender3ComponentFactory, ɵcompileComponent, ɵNG_DIRECTIVE_DEF, ɵcompileDirective, ɵNG_PIPE_DEF, ɵcompilePipe, ɵpatchComponentDefWithScope, ɵNG_INJECTOR_DEF, ɵNG_MODULE_DEF, NgZone, Compiler, ɵtransitiveScopesFor, ModuleWithComponentFactories, ɵresetCompiledComponents, Injector, InjectFlags, ɵflushModuleScopingQueueAsMuchAsPossible, Injectable, ɵclearOverrides, ɵoverrideComponentView, ɵAPP_ROOT, ɵoverrideProvider, ɵivyEnabled, Optional, SkipSelf } from '@angular/core';
import { __read, __extends, __spread, __awaiter, __generator, __values, __decorate } from 'tslib';
import { ResourceLoader } from '@angular/compiler';

/**
 * @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
 */
var _global = (typeof window === 'undefined' ? global : window);
/**
 * Wraps a test function in an asynchronous test zone. The test will automatically
 * complete when all asynchronous calls within this zone are done. Can be used
 * to wrap an {@link inject} call.
 *
 * Example:
 *
 * ```
 * it('...', async(inject([AClass], (object) => {
 *   object.doSomething.then(() => {
 *     expect(...);
 *   })
 * });
 * ```
 *
 *
 */
function asyncFallback(fn) {
    // If we're running using the Jasmine test framework, adapt to call the 'done'
    // function when asynchronous activity is finished.
    if (_global.jasmine) {
        // Not using an arrow function to preserve context passed from call site
        return function (done) {
            if (!done) {
                // if we run beforeEach in @angular/core/testing/testing_internal then we get no done
                // fake it here and assume sync.
                done = function () { };
                done.fail = function (e) { throw e; };
            }
            runInTestZone(fn, this, done, function (err) {
                if (typeof err === 'string') {
                    return done.fail(new Error(err));
                }
                else {
                    done.fail(err);
                }
            });
        };
    }
    // Otherwise, return a promise which will resolve when asynchronous activity
    // is finished. This will be correctly consumed by the Mocha framework with
    // it('...', async(myFn)); or can be used in a custom framework.
    // Not using an arrow function to preserve context passed from call site
    return function () {
        var _this = this;
        return new Promise(function (finishCallback, failCallback) {
            runInTestZone(fn, _this, finishCallback, failCallback);
        });
    };
}
function runInTestZone(fn, context, finishCallback, failCallback) {
    var currentZone = Zone.current;
    var AsyncTestZoneSpec = Zone['AsyncTestZoneSpec'];
    if (AsyncTestZoneSpec === undefined) {
        throw new Error('AsyncTestZoneSpec is needed for the async() test helper but could not be found. ' +
            'Please make sure that your environment includes zone.js/dist/async-test.js');
    }
    var ProxyZoneSpec = Zone['ProxyZoneSpec'];
    if (ProxyZoneSpec === undefined) {
        throw new Error('ProxyZoneSpec is needed for the async() test helper but could not be found. ' +
            'Please make sure that your environment includes zone.js/dist/proxy.js');
    }
    var proxyZoneSpec = ProxyZoneSpec.get();
    ProxyZoneSpec.assertPresent();
    // We need to create the AsyncTestZoneSpec outside the ProxyZone.
    // If we do it in ProxyZone then we will get to infinite recursion.
    var proxyZone = Zone.current.getZoneWith('ProxyZoneSpec');
    var previousDelegate = proxyZoneSpec.getDelegate();
    proxyZone.parent.run(function () {
        var testZoneSpec = new AsyncTestZoneSpec(function () {
            // Need to restore the original zone.
            currentZone.run(function () {
                if (proxyZoneSpec.getDelegate() == testZoneSpec) {
                    // Only reset the zone spec if it's sill this one. Otherwise, assume it's OK.
                    proxyZoneSpec.setDelegate(previousDelegate);
                }
                finishCallback();
            });
        }, function (error) {
            // Need to restore the original zone.
            currentZone.run(function () {
                if (proxyZoneSpec.getDelegate() == testZoneSpec) {
                    // Only reset the zone spec if it's sill this one. Otherwise, assume it's OK.
                    proxyZoneSpec.setDelegate(previousDelegate);
                }
                failCallback(error);
            });
        }, 'test');
        proxyZoneSpec.setDelegate(testZoneSpec);
    });
    return Zone.current.runGuarded(fn, context);
}

/**
 * @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
 */
/**
 * Wraps a test function in an asynchronous test zone. The test will automatically
 * complete when all asynchronous calls within this zone are done. Can be used
 * to wrap an {@link inject} call.
 *
 * Example:
 *
 * ```
 * it('...', async(inject([AClass], (object) => {
 *   object.doSomething.then(() => {
 *     expect(...);
 *   })
 * });
 * ```
 *
 * @publicApi
 */
function async(fn) {
    var _Zone = typeof Zone !== 'undefined' ? Zone : null;
    if (!_Zone) {
        return function () {
            return Promise.reject('Zone is needed for the async() test helper but could not be found. ' +
                'Please make sure that your environment includes zone.js/dist/zone.js');
        };
    }
    var asyncTest = _Zone && _Zone[_Zone.__symbol__('asyncTest')];
    if (typeof asyncTest === 'function') {
        return asyncTest(fn);
    }
    // not using new version of zone.js
    // TODO @JiaLiPassion, remove this after all library updated to
    // newest version of zone.js(0.8.25)
    return asyncFallback(fn);
}

/**
 * @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
 */
/**
 * Fixture for debugging and testing a component.
 *
 * @publicApi
 */
var ComponentFixture = /** @class */ (function () {
    function ComponentFixture(componentRef, ngZone, _autoDetect) {
        var _this = this;
        this.componentRef = componentRef;
        this.ngZone = ngZone;
        this._autoDetect = _autoDetect;
        this._isStable = true;
        this._isDestroyed = false;
        this._resolve = null;
        this._promise = null;
        this._onUnstableSubscription = null;
        this._onStableSubscription = null;
        this._onMicrotaskEmptySubscription = null;
        this._onErrorSubscription = null;
        this.changeDetectorRef = componentRef.changeDetectorRef;
        this.elementRef = componentRef.location;
        this.debugElement = getDebugNode(this.elementRef.nativeElement);
        this.componentInstance = componentRef.instance;
        this.nativeElement = this.elementRef.nativeElement;
        this.componentRef = componentRef;
        this.ngZone = ngZone;
        if (ngZone) {
            // Create subscriptions outside the NgZone so that the callbacks run oustide
            // of NgZone.
            ngZone.runOutsideAngular(function () {
                _this._onUnstableSubscription =
                    ngZone.onUnstable.subscribe({ next: function () { _this._isStable = false; } });
                _this._onMicrotaskEmptySubscription = ngZone.onMicrotaskEmpty.subscribe({
                    next: function () {
                        if (_this._autoDetect) {
                            // Do a change detection run with checkNoChanges set to true to check
                            // there are no changes on the second run.
                            _this.detectChanges(true);
                        }
                    }
                });
                _this._onStableSubscription = ngZone.onStable.subscribe({
                    next: function () {
                        _this._isStable = true;
                        // Check whether there is a pending whenStable() completer to resolve.
                        if (_this._promise !== null) {
                            // If so check whether there are no pending macrotasks before resolving.
                            // Do this check in the next tick so that ngZone gets a chance to update the state of
                            // pending macrotasks.
                            scheduleMicroTask(function () {
                                if (!ngZone.hasPendingMacrotasks) {
                                    if (_this._promise !== null) {
                                        _this._resolve(true);
                                        _this._resolve = null;
                                        _this._promise = null;
                                    }
                                }
                            });
                        }
                    }
                });
                _this._onErrorSubscription =
                    ngZone.onError.subscribe({ next: function (error) { throw error; } });
            });
        }
    }
    ComponentFixture.prototype._tick = function (checkNoChanges) {
        this.changeDetectorRef.detectChanges();
        if (checkNoChanges) {
            this.checkNoChanges();
        }
    };
    /**
     * Trigger a change detection cycle for the component.
     */
    ComponentFixture.prototype.detectChanges = function (checkNoChanges) {
        var _this = this;
        if (checkNoChanges === void 0) { checkNoChanges = true; }
        if (this.ngZone != null) {
            // Run the change detection inside the NgZone so that any async tasks as part of the change
            // detection are captured by the zone and can be waited for in isStable.
            this.ngZone.run(function () { _this._tick(checkNoChanges); });
        }
        else {
            // Running without zone. Just do the change detection.
            this._tick(checkNoChanges);
        }
    };
    /**
     * Do a change detection run to make sure there were no changes.
     */
    ComponentFixture.prototype.checkNoChanges = function () { this.changeDetectorRef.checkNoChanges(); };
    /**
     * Set whether the fixture should autodetect changes.
     *
     * Also runs detectChanges once so that any existing change is detected.
     */
    ComponentFixture.prototype.autoDetectChanges = function (autoDetect) {
        if (autoDetect === void 0) { autoDetect = true; }
        if (this.ngZone == null) {
            throw new Error('Cannot call autoDetectChanges when ComponentFixtureNoNgZone is set');
        }
        this._autoDetect = autoDetect;
        this.detectChanges();
    };
    /**
     * Return whether the fixture is currently stable or has async tasks that have not been completed
     * yet.
     */
    ComponentFixture.prototype.isStable = function () { return this._isStable && !this.ngZone.hasPendingMacrotasks; };
    /**
     * Get a promise that resolves when the fixture is stable.
     *
     * This can be used to resume testing after events have triggered asynchronous activity or
     * asynchronous change detection.
     */
    ComponentFixture.prototype.whenStable = function () {
        var _this = this;
        if (this.isStable()) {
            return Promise.resolve(false);
        }
        else if (this._promise !== null) {
            return this._promise;
        }
        else {
            this._promise = new Promise(function (res) { _this._resolve = res; });
            return this._promise;
        }
    };
    ComponentFixture.prototype._getRenderer = function () {
        if (this._renderer === undefined) {
            this._renderer = this.componentRef.injector.get(RendererFactory2, null);
        }
        return this._renderer;
    };
    /**
      * Get a promise that resolves when the ui state is stable following animations.
      */
    ComponentFixture.prototype.whenRenderingDone = function () {
        var renderer = this._getRenderer();
        if (renderer && renderer.whenRenderingDone) {
            return renderer.whenRenderingDone();
        }
        return this.whenStable();
    };
    /**
     * Trigger component destruction.
     */
    ComponentFixture.prototype.destroy = function () {
        if (!this._isDestroyed) {
            this.componentRef.destroy();
            if (this._onUnstableSubscription != null) {
                this._onUnstableSubscription.unsubscribe();
                this._onUnstableSubscription = null;
            }
            if (this._onStableSubscription != null) {
                this._onStableSubscription.unsubscribe();
                this._onStableSubscription = null;
            }
            if (this._onMicrotaskEmptySubscription != null) {
                this._onMicrotaskEmptySubscription.unsubscribe();
                this._onMicrotaskEmptySubscription = null;
            }
            if (this._onErrorSubscription != null) {
                this._onErrorSubscription.unsubscribe();
                this._onErrorSubscription = null;
            }
            this._isDestroyed = true;
        }
    };
    return ComponentFixture;
}());
function scheduleMicroTask(fn) {
    Zone.current.scheduleMicroTask('scheduleMicrotask', fn);
}

/**
 * @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
 */
/**
 * fakeAsync has been moved to zone.js
 * this file is for fallback in case old version of zone.js is used
 */
var _Zone = typeof Zone !== 'undefined' ? Zone : null;
var FakeAsyncTestZoneSpec = _Zone && _Zone['FakeAsyncTestZoneSpec'];
var ProxyZoneSpec = _Zone && _Zone['ProxyZoneSpec'];
var _fakeAsyncTestZoneSpec = null;
/**
 * Clears out the shared fake async zone for a test.
 * To be called in a global `beforeEach`.
 *
 * @publicApi
 */
function resetFakeAsyncZoneFallback() {
    _fakeAsyncTestZoneSpec = null;
    // in node.js testing we may not have ProxyZoneSpec in which case there is nothing to reset.
    ProxyZoneSpec && ProxyZoneSpec.assertPresent().resetDelegate();
}
var _inFakeAsyncCall = false;
/**
 * Wraps a function to be executed in the fakeAsync zone:
 * - microtasks are manually executed by calling `flushMicrotasks()`,
 * - timers are synchronous, `tick()` simulates the asynchronous passage of time.
 *
 * If there are any pending timers at the end of the function, an exception will be thrown.
 *
 * Can be used to wrap inject() calls.
 *
 * @usageNotes
 * ### Example
 *
 * {@example core/testing/ts/fake_async.ts region='basic'}
 *
 * @param fn
 * @returns The function wrapped to be executed in the fakeAsync zone
 *
 * @publicApi
 */
function fakeAsyncFallback(fn) {
    // Not using an arrow function to preserve context passed from call site
    return function () {
        var args = [];
        for (var _i = 0; _i < arguments.length; _i++) {
            args[_i] = arguments[_i];
        }
        var proxyZoneSpec = ProxyZoneSpec.assertPresent();
        if (_inFakeAsyncCall) {
            throw new Error('fakeAsync() calls can not be nested');
        }
        _inFakeAsyncCall = true;
        try {
            if (!_fakeAsyncTestZoneSpec) {
                if (proxyZoneSpec.getDelegate() instanceof FakeAsyncTestZoneSpec) {
                    throw new Error('fakeAsync() calls can not be nested');
                }
                _fakeAsyncTestZoneSpec = new FakeAsyncTestZoneSpec();
            }
            var res = void 0;
            var lastProxyZoneSpec = proxyZoneSpec.getDelegate();
            proxyZoneSpec.setDelegate(_fakeAsyncTestZoneSpec);
            try {
                res = fn.apply(this, args);
                flushMicrotasksFallback();
            }
            finally {
                proxyZoneSpec.setDelegate(lastProxyZoneSpec);
            }
            if (_fakeAsyncTestZoneSpec.pendingPeriodicTimers.length > 0) {
                throw new Error(_fakeAsyncTestZoneSpec.pendingPeriodicTimers.length + " " +
                    "periodic timer(s) still in the queue.");
            }
            if (_fakeAsyncTestZoneSpec.pendingTimers.length > 0) {
                throw new Error(_fakeAsyncTestZoneSpec.pendingTimers.length + " timer(s) still in the queue.");
            }
            return res;
        }
        finally {
            _inFakeAsyncCall = false;
            resetFakeAsyncZoneFallback();
        }
    };
}
function _getFakeAsyncZoneSpec() {
    if (_fakeAsyncTestZoneSpec == null) {
        throw new Error('The code should be running in the fakeAsync zone to call this function');
    }
    return _fakeAsyncTestZoneSpec;
}
/**
 * Simulates the asynchronous passage of time for the timers in the fakeAsync zone.
 *
 * The microtasks queue is drained at the very start of this function and after any timer callback
 * has been executed.
 *
 * @usageNotes
 * ### Example
 *
 * {@example core/testing/ts/fake_async.ts region='basic'}
 *
 * @publicApi
 */
function tickFallback(millis) {
    if (millis === void 0) { millis = 0; }
    _getFakeAsyncZoneSpec().tick(millis);
}
/**
 * Simulates the asynchronous passage of time for the timers in the fakeAsync zone by
 * draining the macrotask queue until it is empty. The returned value is the milliseconds
 * of time that would have been elapsed.
 *
 * @param maxTurns
 * @returns The simulated time elapsed, in millis.
 *
 * @publicApi
 */
function flushFallback(maxTurns) {
    return _getFakeAsyncZoneSpec().flush(maxTurns);
}
/**
 * Discard all remaining periodic tasks.
 *
 * @publicApi
 */
function discardPeriodicTasksFallback() {
    var zoneSpec = _getFakeAsyncZoneSpec();
    zoneSpec.pendingPeriodicTimers.length = 0;
}
/**
 * Flush any pending microtasks.
 *
 * @publicApi
 */
function flushMicrotasksFallback() {
    _getFakeAsyncZoneSpec().flushMicrotasks();
}

/**
 * @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
 */
var _Zone$1 = typeof Zone !== 'undefined' ? Zone : null;
var fakeAsyncTestModule = _Zone$1 && _Zone$1[_Zone$1.__symbol__('fakeAsyncTest')];
/**
 * Clears out the shared fake async zone for a test.
 * To be called in a global `beforeEach`.
 *
 * @publicApi
 */
function resetFakeAsyncZone() {
    if (fakeAsyncTestModule) {
        return fakeAsyncTestModule.resetFakeAsyncZone();
    }
    else {
        return resetFakeAsyncZoneFallback();
    }
}
/**
 * Wraps a function to be executed in the fakeAsync zone:
 * - microtasks are manually executed by calling `flushMicrotasks()`,
 * - timers are synchronous, `tick()` simulates the asynchronous passage of time.
 *
 * If there are any pending timers at the end of the function, an exception will be thrown.
 *
 * Can be used to wrap inject() calls.
 *
 * @usageNotes
 * ### Example
 *
 * {@example core/testing/ts/fake_async.ts region='basic'}
 *
 * @param fn
 * @returns The function wrapped to be executed in the fakeAsync zone
 *
 * @publicApi
 */
function fakeAsync(fn) {
    if (fakeAsyncTestModule) {
        return fakeAsyncTestModule.fakeAsync(fn);
    }
    else {
        return fakeAsyncFallback(fn);
    }
}
/**
 * Simulates the asynchronous passage of time for the timers in the fakeAsync zone.
 *
 * The microtasks queue is drained at the very start of this function and after any timer callback
 * has been executed.
 *
 * @usageNotes
 * ### Example
 *
 * {@example core/testing/ts/fake_async.ts region='basic'}
 *
 * @publicApi
 */
function tick(millis) {
    if (millis === void 0) { millis = 0; }
    if (fakeAsyncTestModule) {
        return fakeAsyncTestModule.tick(millis);
    }
    else {
        return tickFallback(millis);
    }
}
/**
 * Simulates the asynchronous passage of time for the timers in the fakeAsync zone by
 * draining the macrotask queue until it is empty. The returned value is the milliseconds
 * of time that would have been elapsed.
 *
 * @param maxTurns
 * @returns The simulated time elapsed, in millis.
 *
 * @publicApi
 */
function flush(maxTurns) {
    if (fakeAsyncTestModule) {
        return fakeAsyncTestModule.flush(maxTurns);
    }
    else {
        return flushFallback(maxTurns);
    }
}
/**
 * Discard all remaining periodic tasks.
 *
 * @publicApi
 */
function discardPeriodicTasks() {
    if (fakeAsyncTestModule) {
        return fakeAsyncTestModule.discardPeriodicTasks();
    }
    else {
        discardPeriodicTasksFallback();
    }
}
/**
 * Flush any pending microtasks.
 *
 * @publicApi
 */
function flushMicrotasks() {
    if (fakeAsyncTestModule) {
        return fakeAsyncTestModule.flushMicrotasks();
    }
    else {
        return flushMicrotasksFallback();
    }
}

/**
 * @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
 */
/**
 * Injectable completer that allows signaling completion of an asynchronous test. Used internally.
 */
var AsyncTestCompleter = /** @class */ (function () {
    function AsyncTestCompleter() {
        var _this = this;
        this._promise = new Promise(function (res, rej) {
            _this._resolve = res;
            _this._reject = rej;
        });
    }
    AsyncTestCompleter.prototype.done = function (value) { this._resolve(value); };
    AsyncTestCompleter.prototype.fail = function (error, stackTrace) { this._reject(error); };
    Object.defineProperty(AsyncTestCompleter.prototype, "promise", {
        get: function () { return this._promise; },
        enumerable: true,
        configurable: true
    });
    return AsyncTestCompleter;
}());

/**
 * @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
 */
/**
 * An abstract class for inserting the root test component element in a platform independent way.
 *
 * @publicApi
 */
var TestComponentRenderer = /** @class */ (function () {
    function TestComponentRenderer() {
    }
    TestComponentRenderer.prototype.insertRootElement = function (rootElementId) { };
    return TestComponentRenderer;
}());
/**
 * @publicApi
 */
var ComponentFixtureAutoDetect = new InjectionToken('ComponentFixtureAutoDetect');
/**
 * @publicApi
 */
var ComponentFixtureNoNgZone = new InjectionToken('ComponentFixtureNoNgZone');

/**
 * @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
 */
/**
 * Used to resolve resource URLs on `@Component` when used with JIT compilation.
 *
 * Example:
 * ```
 * @Component({
 *   selector: 'my-comp',
 *   templateUrl: 'my-comp.html', // This requires asynchronous resolution
 * })
 * class MyComponent{
 * }
 *
 * // Calling `renderComponent` will fail because `renderComponent` is a synchronous process
 * // and `MyComponent`'s `@Component.templateUrl` needs to be resolved asynchronously.
 *
 * // Calling `resolveComponentResources()` will resolve `@Component.templateUrl` into
 * // `@Component.template`, which allows `renderComponent` to proceed in a synchronous manner.
 *
 * // Use browser's `fetch()` function as the default resource resolution strategy.
 * resolveComponentResources(fetch).then(() => {
 *   // After resolution all URLs have been converted into `template` strings.
 *   renderComponent(MyComponent);
 * });
 *
 * ```
 *
 * NOTE: In AOT the resolution happens during compilation, and so there should be no need
 * to call this method outside JIT mode.
 *
 * @param resourceResolver a function which is responsible for returning a `Promise` to the
 * contents of the resolved URL. Browser's `fetch()` method is a good default implementation.
 */
function resolveComponentResources(resourceResolver) {
    // Store all promises which are fetching the resources.
    var componentResolved = [];
    // Cache so that we don't fetch the same resource more than once.
    var urlMap = new Map();
    function cachedResourceResolve(url) {
        var promise = urlMap.get(url);
        if (!promise) {
            var resp = resourceResolver(url);
            urlMap.set(url, promise = resp.then(unwrapResponse));
        }
        return promise;
    }
    componentResourceResolutionQueue.forEach(function (component, type) {
        var promises = [];
        if (component.templateUrl) {
            promises.push(cachedResourceResolve(component.templateUrl).then(function (template) {
                component.template = template;
            }));
        }
        var styleUrls = component.styleUrls;
        var styles = component.styles || (component.styles = []);
        var styleOffset = component.styles.length;
        styleUrls && styleUrls.forEach(function (styleUrl, index) {
            styles.push(''); // pre-allocate array.
            promises.push(cachedResourceResolve(styleUrl).then(function (style) {
                styles[styleOffset + index] = style;
                styleUrls.splice(styleUrls.indexOf(styleUrl), 1);
                if (styleUrls.length == 0) {
                    component.styleUrls = undefined;
                }
            }));
        });
        var fullyResolved = Promise.all(promises).then(function () { return componentDefResolved(type); });
        componentResolved.push(fullyResolved);
    });
    clearResolutionOfComponentResourcesQueue();
    return Promise.all(componentResolved).then(function () { return undefined; });
}
var componentResourceResolutionQueue = new Map();
// Track when existing ngComponentDef for a Type is waiting on resources.
var componentDefPendingResolution = new Set();
function isComponentDefPendingResolution(type) {
    return componentDefPendingResolution.has(type);
}
function clearResolutionOfComponentResourcesQueue() {
    var old = componentResourceResolutionQueue;
    componentResourceResolutionQueue = new Map();
    return old;
}
function restoreComponentResolutionQueue(queue) {
    componentDefPendingResolution.clear();
    queue.forEach(function (_, type) { return componentDefPendingResolution.add(type); });
    componentResourceResolutionQueue = queue;
}
function unwrapResponse(response) {
    return typeof response == 'string' ? response : response.text();
}
function componentDefResolved(type) {
    componentDefPendingResolution.delete(type);
}

/**
 * @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
 */
var _nextReferenceId = 0;
var MetadataOverrider = /** @class */ (function () {
    function MetadataOverrider() {
        this._references = new Map();
    }
    /**
     * Creates a new instance for the given metadata class
     * based on an old instance and overrides.
     */
    MetadataOverrider.prototype.overrideMetadata = function (metadataClass, oldMetadata, override) {
        var props = {};
        if (oldMetadata) {
            _valueProps(oldMetadata).forEach(function (prop) { return props[prop] = oldMetadata[prop]; });
        }
        if (override.set) {
            if (override.remove || override.add) {
                throw new Error("Cannot set and add/remove " + ɵstringify(metadataClass) + " at the same time!");
            }
            setMetadata(props, override.set);
        }
        if (override.remove) {
            removeMetadata(props, override.remove, this._references);
        }
        if (override.add) {
            addMetadata(props, override.add);
        }
        return new metadataClass(props);
    };
    return MetadataOverrider;
}());
function removeMetadata(metadata, remove, references) {
    var removeObjects = new Set();
    var _loop_1 = function (prop) {
        var removeValue = remove[prop];
        if (removeValue instanceof Array) {
            removeValue.forEach(function (value) { removeObjects.add(_propHashKey(prop, value, references)); });
        }
        else {
            removeObjects.add(_propHashKey(prop, removeValue, references));
        }
    };
    for (var prop in remove) {
        _loop_1(prop);
    }
    var _loop_2 = function (prop) {
        var propValue = metadata[prop];
        if (propValue instanceof Array) {
            metadata[prop] = propValue.filter(function (value) { return !removeObjects.has(_propHashKey(prop, value, references)); });
        }
        else {
            if (removeObjects.has(_propHashKey(prop, propValue, references))) {
                metadata[prop] = undefined;
            }
        }
    };
    for (var prop in metadata) {
        _loop_2(prop);
    }
}
function addMetadata(metadata, add) {
    for (var prop in add) {
        var addValue = add[prop];
        var propValue = metadata[prop];
        if (propValue != null && propValue instanceof Array) {
            metadata[prop] = propValue.concat(addValue);
        }
        else {
            metadata[prop] = addValue;
        }
    }
}
function setMetadata(metadata, set) {
    for (var prop in set) {
        metadata[prop] = set[prop];
    }
}
function _propHashKey(propName, propValue, references) {
    var replacer = function (key, value) {
        if (typeof value === 'function') {
            value = _serializeReference(value, references);
        }
        return value;
    };
    return propName + ":" + JSON.stringify(propValue, replacer);
}
function _serializeReference(ref, references) {
    var id = references.get(ref);
    if (!id) {
        id = "" + ɵstringify(ref) + _nextReferenceId++;
        references.set(ref, id);
    }
    return id;
}
function _valueProps(obj) {
    var props = [];
    // regular public props
    Object.keys(obj).forEach(function (prop) {
        if (!prop.startsWith('_')) {
            props.push(prop);
        }
    });
    // getters
    var proto = obj;
    while (proto = Object.getPrototypeOf(proto)) {
        Object.keys(proto).forEach(function (protoProp) {
            var desc = Object.getOwnPropertyDescriptor(proto, protoProp);
            if (!protoProp.startsWith('_') && desc && 'get' in desc) {
                props.push(protoProp);
            }
        });
    }
    return props;
}

/**
 * @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
 */
var reflection = new ɵReflectionCapabilities();
/**
 * Allows to override ivy metadata for tests (via the `TestBed`).
 */
var OverrideResolver = /** @class */ (function () {
    function OverrideResolver() {
        this.overrides = new Map();
        this.resolved = new Map();
    }
    OverrideResolver.prototype.addOverride = function (type, override) {
        var overrides = this.overrides.get(type) || [];
        overrides.push(override);
        this.overrides.set(type, overrides);
        this.resolved.delete(type);
    };
    OverrideResolver.prototype.setOverrides = function (overrides) {
        var _this = this;
        this.overrides.clear();
        overrides.forEach(function (_a) {
            var _b = __read(_a, 2), type = _b[0], override = _b[1];
            _this.addOverride(type, override);
        });
    };
    OverrideResolver.prototype.getAnnotation = function (type) {
        var annotations = reflection.annotations(type);
        // Try to find the nearest known Type annotation and make sure that this annotation is an
        // instance of the type we are looking for, so we can use it for resolution. Note: there might
        // be multiple known annotations found due to the fact that Components can extend Directives (so
        // both Directive and Component annotations would be present), so we always check if the known
        // annotation has the right type.
        for (var i = annotations.length - 1; i >= 0; i--) {
            var annotation = annotations[i];
            var isKnownType = annotation instanceof Directive || annotation instanceof Component ||
                annotation instanceof Pipe || annotation instanceof NgModule;
            if (isKnownType) {
                return annotation instanceof this.type ? annotation : null;
            }
        }
        return null;
    };
    OverrideResolver.prototype.resolve = function (type) {
        var _this = this;
        var resolved = this.resolved.get(type) || null;
        if (!resolved) {
            resolved = this.getAnnotation(type);
            if (resolved) {
                var overrides = this.overrides.get(type);
                if (overrides) {
                    var overrider_1 = new MetadataOverrider();
                    overrides.forEach(function (override) {
                        resolved = overrider_1.overrideMetadata(_this.type, resolved, override);
                    });
                }
            }
            this.resolved.set(type, resolved);
        }
        return resolved;
    };
    return OverrideResolver;
}());
var DirectiveResolver = /** @class */ (function (_super) {
    __extends(DirectiveResolver, _super);
    function DirectiveResolver() {
        return _super !== null && _super.apply(this, arguments) || this;
    }
    Object.defineProperty(DirectiveResolver.prototype, "type", {
        get: function () { return Directive; },
        enumerable: true,
        configurable: true
    });
    return DirectiveResolver;
}(OverrideResolver));
var ComponentResolver = /** @class */ (function (_super) {
    __extends(ComponentResolver, _super);
    function ComponentResolver() {
        return _super !== null && _super.apply(this, arguments) || this;
    }
    Object.defineProperty(ComponentResolver.prototype, "type", {
        get: function () { return Component; },
        enumerable: true,
        configurable: true
    });
    return ComponentResolver;
}(OverrideResolver));
var PipeResolver = /** @class */ (function (_super) {
    __extends(PipeResolver, _super);
    function PipeResolver() {
        return _super !== null && _super.apply(this, arguments) || this;
    }
    Object.defineProperty(PipeResolver.prototype, "type", {
        get: function () { return Pipe; },
        enumerable: true,
        configurable: true
    });
    return PipeResolver;
}(OverrideResolver));
var NgModuleResolver = /** @class */ (function (_super) {
    __extends(NgModuleResolver, _super);
    function NgModuleResolver() {
        return _super !== null && _super.apply(this, arguments) || this;
    }
    Object.defineProperty(NgModuleResolver.prototype, "type", {
        get: function () { return NgModule; },
        enumerable: true,
        configurable: true
    });
    return NgModuleResolver;
}(OverrideResolver));

/**
 * @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
 */
var TESTING_MODULE = 'TestingModule';
var R3TestBedCompiler = /** @class */ (function () {
    function R3TestBedCompiler(platform, additionalModuleTypes) {
        this.platform = platform;
        this.additionalModuleTypes = additionalModuleTypes;
        this.originalComponentResolutionQueue = null;
        // Testing module configuration
        this.declarations = [];
        this.imports = [];
        this.providers = [];
        this.schemas = [];
        // Queues of components/directives/pipes that should be recompiled.
        this.pendingComponents = new Set();
        this.pendingDirectives = new Set();
        this.pendingPipes = new Set();
        // Keep track of all components and directives, so we can patch Providers onto defs later.
        this.seenComponents = new Set();
        this.seenDirectives = new Set();
        // Store resolved styles for Components that have template overrides present and `styleUrls`
        // defined at the same time.
        this.existingComponentStyles = new Map();
        this.resolvers = initResolvers();
        this.componentToModuleScope = new Map();
        // Map that keeps initial version of component/directive/pipe defs in case
        // we compile a Type again, thus overriding respective static fields. This is
        // required to make sure we restore defs to their initial states between test runs
        // TODO: we should support the case with multiple defs on a type
        this.initialNgDefs = new Map();
        // Array that keeps cleanup operations for initial versions of component/directive/pipe/module
        // defs in case TestBed makes changes to the originals.
        this.defCleanupOps = [];
        this._injector = null;
        this.compilerProviders = null;
        this.providerOverrides = [];
        this.rootProviderOverrides = [];
        this.providerOverridesByToken = new Map();
        this.moduleProvidersOverridden = new Set();
        this.testModuleRef = null;
        var DynamicTestModule = /** @class */ (function () {
            function DynamicTestModule() {
            }
            return DynamicTestModule;
        }());
        this.testModuleType = DynamicTestModule;
    }
    R3TestBedCompiler.prototype.setCompilerProviders = function (providers) {
        this.compilerProviders = providers;
        this._injector = null;
    };
    R3TestBedCompiler.prototype.configureTestingModule = function (moduleDef) {
        var _a, _b, _c, _d;
        // Enqueue any compilation tasks for the directly declared component.
        if (moduleDef.declarations !== undefined) {
            this.queueTypeArray(moduleDef.declarations, TESTING_MODULE);
            (_a = this.declarations).push.apply(_a, __spread(moduleDef.declarations));
        }
        // Enqueue any compilation tasks for imported modules.
        if (moduleDef.imports !== undefined) {
            this.queueTypesFromModulesArray(moduleDef.imports);
            (_b = this.imports).push.apply(_b, __spread(moduleDef.imports));
        }
        if (moduleDef.providers !== undefined) {
            (_c = this.providers).push.apply(_c, __spread(moduleDef.providers));
        }
        if (moduleDef.schemas !== undefined) {
            (_d = this.schemas).push.apply(_d, __spread(moduleDef.schemas));
        }
    };
    R3TestBedCompiler.prototype.overrideModule = function (ngModule, override) {
        // Compile the module right away.
        this.resolvers.module.addOverride(ngModule, override);
        var metadata = this.resolvers.module.resolve(ngModule);
        if (metadata === null) {
            throw new Error(ngModule.name + " is not an @NgModule or is missing metadata");
        }
        this.recompileNgModule(ngModule);
        // At this point, the module has a valid .ngModuleDef, but the override may have introduced
        // new declarations or imported modules. Ingest any possible new types and add them to the
        // current queue.
        this.queueTypesFromModulesArray([ngModule]);
    };
    R3TestBedCompiler.prototype.overrideComponent = function (component, override) {
        this.resolvers.component.addOverride(component, override);
        this.pendingComponents.add(component);
    };
    R3TestBedCompiler.prototype.overrideDirective = function (directive, override) {
        this.resolvers.directive.addOverride(directive, override);
        this.pendingDirectives.add(directive);
    };
    R3TestBedCompiler.prototype.overridePipe = function (pipe, override) {
        this.resolvers.pipe.addOverride(pipe, override);
        this.pendingPipes.add(pipe);
    };
    R3TestBedCompiler.prototype.overrideProvider = function (token, provider) {
        var providerDef = provider.useFactory ?
            {
                provide: token,
                useFactory: provider.useFactory,
                deps: provider.deps || [],
                multi: provider.multi,
            } :
            { provide: token, useValue: provider.useValue, multi: provider.multi };
        var injectableDef;
        var isRoot = (typeof token !== 'string' && (injectableDef = ɵgetInjectableDef(token)) &&
            injectableDef.providedIn === 'root');
        var overridesBucket = isRoot ? this.rootProviderOverrides : this.providerOverrides;
        overridesBucket.push(providerDef);
        // Keep overrides grouped by token as well for fast lookups using token
        this.providerOverridesByToken.set(token, providerDef);
    };
    R3TestBedCompiler.prototype.overrideTemplateUsingTestingModule = function (type, template) {
        var _this = this;
        var def = type[ɵNG_COMPONENT_DEF];
        var hasStyleUrls = function () {
            var metadata = _this.resolvers.component.resolve(type);
            return !!metadata.styleUrls && metadata.styleUrls.length > 0;
        };
        var overrideStyleUrls = !!def && !isComponentDefPendingResolution(type) && hasStyleUrls();
        // In Ivy, compiling a component does not require knowing the module providing the
        // component's scope, so overrideTemplateUsingTestingModule can be implemented purely via
        // overrideComponent. Important: overriding template requires full Component re-compilation,
        // which may fail in case styleUrls are also present (thus Component is considered as required
        // resolution). In order to avoid this, we preemptively set styleUrls to an empty array,
        // preserve current styles available on Component def and restore styles back once compilation
        // is complete.
        var override = overrideStyleUrls ? { template: template, styles: [], styleUrls: [] } : { template: template };
        this.overrideComponent(type, { set: override });
        if (overrideStyleUrls && def.styles && def.styles.length > 0) {
            this.existingComponentStyles.set(type, def.styles);
        }
        // Set the component's scope to be the testing module.
        this.componentToModuleScope.set(type, TESTING_MODULE);
    };
    R3TestBedCompiler.prototype.compileComponents = function () {
        return __awaiter(this, void 0, void 0, function () {
            var needsAsyncResources, resourceLoader_1, resolver;
            var _this = this;
            return __generator(this, function (_a) {
                switch (_a.label) {
                    case 0:
                        this.clearComponentResolutionQueue();
                        needsAsyncResources = this.compileTypesSync();
                        if (!needsAsyncResources) return [3 /*break*/, 2];
                        resolver = function (url) {
                            if (!resourceLoader_1) {
                                resourceLoader_1 = _this.injector.get(ResourceLoader);
                            }
                            return Promise.resolve(resourceLoader_1.get(url));
                        };
                        return [4 /*yield*/, resolveComponentResources(resolver)];
                    case 1:
                        _a.sent();
                        _a.label = 2;
                    case 2: return [2 /*return*/];
                }
            });
        });
    };
    R3TestBedCompiler.prototype.finalize = function () {
        // One last compile
        this.compileTypesSync();
        // Create the testing module itself.
        this.compileTestModule();
        this.applyTransitiveScopes();
        this.applyProviderOverrides();
        // Patch previously stored `styles` Component values (taken from ngComponentDef), in case these
        // Components have `styleUrls` fields defined and template override was requested.
        this.patchComponentsWithExistingStyles();
        // Clear the componentToModuleScope map, so that future compilations don't reset the scope of
        // every component.
        this.componentToModuleScope.clear();
        var parentInjector = this.platform.injector;
        this.testModuleRef = new ɵRender3NgModuleRef(this.testModuleType, parentInjector);
        // ApplicationInitStatus.runInitializers() is marked @internal to core.
        // Cast it to any before accessing it.
        this.testModuleRef.injector.get(ApplicationInitStatus).runInitializers();
        return this.testModuleRef;
    };
    /**
     * @internal
     */
    R3TestBedCompiler.prototype._compileNgModuleSync = function (moduleType) {
        this.queueTypesFromModulesArray([moduleType]);
        this.compileTypesSync();
        this.applyProviderOverrides();
        this.applyProviderOverridesToModule(moduleType);
        this.applyTransitiveScopes();
    };
    /**
     * @internal
     */
    R3TestBedCompiler.prototype._compileNgModuleAsync = function (moduleType) {
        return __awaiter(this, void 0, void 0, function () {
            return __generator(this, function (_a) {
                switch (_a.label) {
                    case 0:
                        this.queueTypesFromModulesArray([moduleType]);
                        return [4 /*yield*/, this.compileComponents()];
                    case 1:
                        _a.sent();
                        this.applyProviderOverrides();
                        this.applyProviderOverridesToModule(moduleType);
                        this.applyTransitiveScopes();
                        return [2 /*return*/];
                }
            });
        });
    };
    /**
     * @internal
     */
    R3TestBedCompiler.prototype._getModuleResolver = function () { return this.resolvers.module; };
    /**
     * @internal
     */
    R3TestBedCompiler.prototype._getComponentFactories = function (moduleType) {
        var _this = this;
        return maybeUnwrapFn(moduleType.ngModuleDef.declarations).reduce(function (factories, declaration) {
            var componentDef = declaration.ngComponentDef;
            componentDef && factories.push(new ɵRender3ComponentFactory(componentDef, _this.testModuleRef));
            return factories;
        }, []);
    };
    R3TestBedCompiler.prototype.compileTypesSync = function () {
        var _this = this;
        // Compile all queued components, directives, pipes.
        var needsAsyncResources = false;
        this.pendingComponents.forEach(function (declaration) {
            needsAsyncResources = needsAsyncResources || isComponentDefPendingResolution(declaration);
            var metadata = _this.resolvers.component.resolve(declaration);
            _this.maybeStoreNgDef(ɵNG_COMPONENT_DEF, declaration);
            ɵcompileComponent(declaration, metadata);
        });
        this.pendingComponents.clear();
        this.pendingDirectives.forEach(function (declaration) {
            var metadata = _this.resolvers.directive.resolve(declaration);
            _this.maybeStoreNgDef(ɵNG_DIRECTIVE_DEF, declaration);
            ɵcompileDirective(declaration, metadata);
        });
        this.pendingDirectives.clear();
        this.pendingPipes.forEach(function (declaration) {
            var metadata = _this.resolvers.pipe.resolve(declaration);
            _this.maybeStoreNgDef(ɵNG_PIPE_DEF, declaration);
            ɵcompilePipe(declaration, metadata);
        });
        this.pendingPipes.clear();
        return needsAsyncResources;
    };
    R3TestBedCompiler.prototype.applyTransitiveScopes = function () {
        var _this = this;
        var moduleToScope = new Map();
        var getScopeOfModule = function (moduleType) {
            if (!moduleToScope.has(moduleType)) {
                var realType = moduleType === TESTING_MODULE ? _this.testModuleType : moduleType;
                moduleToScope.set(moduleType, ɵtransitiveScopesFor(realType));
            }
            return moduleToScope.get(moduleType);
        };
        this.componentToModuleScope.forEach(function (moduleType, componentType) {
            var moduleScope = getScopeOfModule(moduleType);
            _this.storeFieldOfDefOnType(componentType, ɵNG_COMPONENT_DEF, 'directiveDefs');
            _this.storeFieldOfDefOnType(componentType, ɵNG_COMPONENT_DEF, 'pipeDefs');
            ɵpatchComponentDefWithScope(componentType.ngComponentDef, moduleScope);
        });
        this.componentToModuleScope.clear();
    };
    R3TestBedCompiler.prototype.applyProviderOverrides = function () {
        var _this = this;
        var maybeApplyOverrides = function (field) { return function (type) {
            var resolver = field === ɵNG_COMPONENT_DEF ? _this.resolvers.component : _this.resolvers.directive;
            var metadata = resolver.resolve(type);
            if (_this.hasProviderOverrides(metadata.providers)) {
                _this.patchDefWithProviderOverrides(type, field);
            }
        }; };
        this.seenComponents.forEach(maybeApplyOverrides(ɵNG_COMPONENT_DEF));
        this.seenDirectives.forEach(maybeApplyOverrides(ɵNG_DIRECTIVE_DEF));
        this.seenComponents.clear();
        this.seenDirectives.clear();
    };
    R3TestBedCompiler.prototype.applyProviderOverridesToModule = function (moduleType) {
        var e_1, _a;
        if (this.moduleProvidersOverridden.has(moduleType)) {
            return;
        }
        this.moduleProvidersOverridden.add(moduleType);
        var injectorDef = moduleType[ɵNG_INJECTOR_DEF];
        if (this.providerOverridesByToken.size > 0) {
            if (this.hasProviderOverrides(injectorDef.providers)) {
                this.maybeStoreNgDef(ɵNG_INJECTOR_DEF, moduleType);
                this.storeFieldOfDefOnType(moduleType, ɵNG_INJECTOR_DEF, 'providers');
                injectorDef.providers = this.getOverriddenProviders(injectorDef.providers);
            }
            // Apply provider overrides to imported modules recursively
            var moduleDef = moduleType[ɵNG_MODULE_DEF];
            try {
                for (var _b = __values(moduleDef.imports), _c = _b.next(); !_c.done; _c = _b.next()) {
                    var importType = _c.value;
                    this.applyProviderOverridesToModule(importType);
                }
            }
            catch (e_1_1) { e_1 = { error: e_1_1 }; }
            finally {
                try {
                    if (_c && !_c.done && (_a = _b.return)) _a.call(_b);
                }
                finally { if (e_1) throw e_1.error; }
            }
        }
    };
    R3TestBedCompiler.prototype.patchComponentsWithExistingStyles = function () {
        this.existingComponentStyles.forEach(function (styles, type) { return type[ɵNG_COMPONENT_DEF].styles = styles; });
        this.existingComponentStyles.clear();
    };
    R3TestBedCompiler.prototype.queueTypeArray = function (arr, moduleType) {
        var e_2, _a;
        try {
            for (var arr_1 = __values(arr), arr_1_1 = arr_1.next(); !arr_1_1.done; arr_1_1 = arr_1.next()) {
                var value = arr_1_1.value;
                if (Array.isArray(value)) {
                    this.queueTypeArray(value, moduleType);
                }
                else {
                    this.queueType(value, moduleType);
                }
            }
        }
        catch (e_2_1) { e_2 = { error: e_2_1 }; }
        finally {
            try {
                if (arr_1_1 && !arr_1_1.done && (_a = arr_1.return)) _a.call(arr_1);
            }
            finally { if (e_2) throw e_2.error; }
        }
    };
    R3TestBedCompiler.prototype.recompileNgModule = function (ngModule) {
        var metadata = this.resolvers.module.resolve(ngModule);
        if (metadata === null) {
            throw new Error("Unable to resolve metadata for NgModule: " + ngModule.name);
        }
        // Cache the initial ngModuleDef as it will be overwritten.
        this.maybeStoreNgDef(ɵNG_MODULE_DEF, ngModule);
        this.maybeStoreNgDef(ɵNG_INJECTOR_DEF, ngModule);
        ɵcompileNgModuleDefs(ngModule, metadata);
    };
    R3TestBedCompiler.prototype.queueType = function (type, moduleType) {
        var component = this.resolvers.component.resolve(type);
        if (component) {
            // Check whether a give Type has respective NG def (ngComponentDef) and compile if def is
            // missing. That might happen in case a class without any Angular decorators extends another
            // class where Component/Directive/Pipe decorator is defined.
            if (isComponentDefPendingResolution(type) || !type.hasOwnProperty(ɵNG_COMPONENT_DEF)) {
                this.pendingComponents.add(type);
            }
            this.seenComponents.add(type);
            // Keep track of the module which declares this component, so later the component's scope
            // can be set correctly. Only record this the first time, because it might be overridden by
            // overrideTemplateUsingTestingModule.
            if (!this.componentToModuleScope.has(type)) {
                this.componentToModuleScope.set(type, moduleType);
            }
            return;
        }
        var directive = this.resolvers.directive.resolve(type);
        if (directive) {
            if (!type.hasOwnProperty(ɵNG_DIRECTIVE_DEF)) {
                this.pendingDirectives.add(type);
            }
            this.seenDirectives.add(type);
            return;
        }
        var pipe = this.resolvers.pipe.resolve(type);
        if (pipe && !type.hasOwnProperty(ɵNG_PIPE_DEF)) {
            this.pendingPipes.add(type);
            return;
        }
    };
    R3TestBedCompiler.prototype.queueTypesFromModulesArray = function (arr) {
        var e_3, _a;
        try {
            for (var arr_2 = __values(arr), arr_2_1 = arr_2.next(); !arr_2_1.done; arr_2_1 = arr_2.next()) {
                var value = arr_2_1.value;
                if (Array.isArray(value)) {
                    this.queueTypesFromModulesArray(value);
                }
                else if (hasNgModuleDef(value)) {
                    var def = value.ngModuleDef;
                    // Look through declarations, imports, and exports, and queue everything found there.
                    this.queueTypeArray(maybeUnwrapFn(def.declarations), value);
                    this.queueTypesFromModulesArray(maybeUnwrapFn(def.imports));
                    this.queueTypesFromModulesArray(maybeUnwrapFn(def.exports));
                }
            }
        }
        catch (e_3_1) { e_3 = { error: e_3_1 }; }
        finally {
            try {
                if (arr_2_1 && !arr_2_1.done && (_a = arr_2.return)) _a.call(arr_2);
            }
            finally { if (e_3) throw e_3.error; }
        }
    };
    R3TestBedCompiler.prototype.maybeStoreNgDef = function (prop, type) {
        if (!this.initialNgDefs.has(type)) {
            var currentDef = Object.getOwnPropertyDescriptor(type, prop);
            this.initialNgDefs.set(type, [prop, currentDef]);
        }
    };
    R3TestBedCompiler.prototype.storeFieldOfDefOnType = function (type, defField, field) {
        var def = type[defField];
        var original = def[field];
        this.defCleanupOps.push({ field: field, def: def, original: original });
    };
    /**
     * Clears current components resolution queue, but stores the state of the queue, so we can
     * restore it later. Clearing the queue is required before we try to compile components (via
     * `TestBed.compileComponents`), so that component defs are in sync with the resolution queue.
     */
    R3TestBedCompiler.prototype.clearComponentResolutionQueue = function () {
        var _this = this;
        if (this.originalComponentResolutionQueue === null) {
            this.originalComponentResolutionQueue = new Map();
        }
        clearResolutionOfComponentResourcesQueue().forEach(function (value, key) { return _this.originalComponentResolutionQueue.set(key, value); });
    };
    /*
     * Restores component resolution queue to the previously saved state. This operation is performed
     * as a part of restoring the state after completion of the current set of tests (that might
     * potentially mutate the state).
     */
    R3TestBedCompiler.prototype.restoreComponentResolutionQueue = function () {
        if (this.originalComponentResolutionQueue !== null) {
            restoreComponentResolutionQueue(this.originalComponentResolutionQueue);
            this.originalComponentResolutionQueue = null;
        }
    };
    R3TestBedCompiler.prototype.restoreOriginalState = function () {
        var e_4, _a;
        try {
            for (var _b = __values(this.defCleanupOps), _c = _b.next(); !_c.done; _c = _b.next()) {
                var op = _c.value;
                op.def[op.field] = op.original;
            }
        }
        catch (e_4_1) { e_4 = { error: e_4_1 }; }
        finally {
            try {
                if (_c && !_c.done && (_a = _b.return)) _a.call(_b);
            }
            finally { if (e_4) throw e_4.error; }
        }
        // Restore initial component/directive/pipe defs
        this.initialNgDefs.forEach(function (value, type) {
            var _a = __read(value, 2), prop = _a[0], descriptor = _a[1];
            if (!descriptor) {
                // Delete operations are generally undesirable since they have performance implications
                // on objects they were applied to. In this particular case, situations where this code is
                // invoked should be quite rare to cause any noticable impact, since it's applied only to
                // some test cases (for example when class with no annotations extends some @Component)
                // when we need to clear 'ngComponentDef' field on a given class to restore its original
                // state (before applying overrides and running tests).
                delete type[prop];
            }
            else {
                Object.defineProperty(type, prop, descriptor);
            }
        });
        this.initialNgDefs.clear();
        this.moduleProvidersOverridden.clear();
        this.restoreComponentResolutionQueue();
    };
    R3TestBedCompiler.prototype.compileTestModule = function () {
        var _this = this;
        var RootScopeModule = /** @class */ (function () {
            function RootScopeModule() {
            }
            return RootScopeModule;
        }());
        ɵcompileNgModuleDefs(RootScopeModule, {
            providers: __spread(this.rootProviderOverrides),
        });
        var ngZone = new NgZone({ enableLongStackTrace: true });
        var providers = __spread([
            { provide: NgZone, useValue: ngZone },
            { provide: Compiler, useFactory: function () { return new R3TestCompiler(_this); } }
        ], this.providers, this.providerOverrides);
        var imports = [RootScopeModule, this.additionalModuleTypes, this.imports || []];
        // clang-format off
        ɵcompileNgModuleDefs(this.testModuleType, {
            declarations: this.declarations,
            imports: imports,
            schemas: this.schemas,
            providers: providers,
        });
        // clang-format on
        this.applyProviderOverridesToModule(this.testModuleType);
    };
    Object.defineProperty(R3TestBedCompiler.prototype, "injector", {
        get: function () {
            if (this._injector !== null) {
                return this._injector;
            }
            var providers = [];
            var compilerOptions = this.platform.injector.get(COMPILER_OPTIONS);
            compilerOptions.forEach(function (opts) {
                if (opts.providers) {
                    providers.push(opts.providers);
                }
            });
            if (this.compilerProviders !== null) {
                providers.push.apply(providers, __spread(this.compilerProviders));
            }
            // TODO(ocombe): make this work with an Injector directly instead of creating a module for it
            var CompilerModule = /** @class */ (function () {
                function CompilerModule() {
                }
                return CompilerModule;
            }());
            ɵcompileNgModuleDefs(CompilerModule, { providers: providers });
            var CompilerModuleFactory = new ɵNgModuleFactory(CompilerModule);
            this._injector = CompilerModuleFactory.create(this.platform.injector).injector;
            return this._injector;
        },
        enumerable: true,
        configurable: true
    });
    // get overrides for a specific provider (if any)
    R3TestBedCompiler.prototype.getSingleProviderOverrides = function (provider) {
        var token = getProviderToken(provider);
        return this.providerOverridesByToken.get(token) || null;
    };
    R3TestBedCompiler.prototype.getProviderOverrides = function (providers) {
        var _this = this;
        if (!providers || !providers.length || this.providerOverridesByToken.size === 0)
            return [];
        // There are two flattening operations here. The inner flatten() operates on the metadata's
        // providers and applies a mapping function which retrieves overrides for each incoming
        // provider. The outer flatten() then flattens the produced overrides array. If this is not
        // done, the array can contain other empty arrays (e.g. `[[], []]`) which leak into the
        // providers array and contaminate any error messages that might be generated.
        return flatten(flatten(providers, function (provider) { return _this.getSingleProviderOverrides(provider) || []; }));
    };
    R3TestBedCompiler.prototype.getOverriddenProviders = function (providers) {
        var _this = this;
        if (!providers || !providers.length || this.providerOverridesByToken.size === 0)
            return [];
        var overrides = this.getProviderOverrides(providers);
        var hasMultiProviderOverrides = overrides.some(isMultiProvider);
        var overriddenProviders = __spread(providers, overrides);
        // No additional processing is required in case we have no multi providers to override
        if (!hasMultiProviderOverrides) {
            return overriddenProviders;
        }
        var final = [];
        var seenMultiProviders = new Set();
        // We iterate through the list of providers in reverse order to make sure multi provider
        // overrides take precedence over the values defined in provider list. We also fiter out all
        // multi providers that have overrides, keeping overridden values only.
        forEachRight(overriddenProviders, function (provider) {
            var token = getProviderToken(provider);
            if (isMultiProvider(provider) && _this.providerOverridesByToken.has(token)) {
                if (!seenMultiProviders.has(token)) {
                    seenMultiProviders.add(token);
                    if (provider && provider.useValue && Array.isArray(provider.useValue)) {
                        forEachRight(provider.useValue, function (value) {
                            // Unwrap provider override array into individual providers in final set.
                            final.unshift({ provide: token, useValue: value, multi: true });
                        });
                    }
                    else {
                        final.unshift(provider);
                    }
                }
            }
            else {
                final.unshift(provider);
            }
        });
        return final;
    };
    R3TestBedCompiler.prototype.hasProviderOverrides = function (providers) {
        return this.getProviderOverrides(providers).length > 0;
    };
    R3TestBedCompiler.prototype.patchDefWithProviderOverrides = function (declaration, field) {
        var _this = this;
        var def = declaration[field];
        if (def && def.providersResolver) {
            this.maybeStoreNgDef(field, declaration);
            var resolver_1 = def.providersResolver;
            var processProvidersFn_1 = function (providers) { return _this.getOverriddenProviders(providers); };
            this.storeFieldOfDefOnType(declaration, field, 'providersResolver');
            def.providersResolver = function (ngDef) { return resolver_1(ngDef, processProvidersFn_1); };
        }
    };
    return R3TestBedCompiler;
}());
function initResolvers() {
    return {
        module: new NgModuleResolver(),
        component: new ComponentResolver(),
        directive: new DirectiveResolver(),
        pipe: new PipeResolver()
    };
}
function hasNgModuleDef(value) {
    return value.hasOwnProperty('ngModuleDef');
}
function maybeUnwrapFn(maybeFn) {
    return maybeFn instanceof Function ? maybeFn() : maybeFn;
}
function flatten(values, mapFn) {
    var out = [];
    values.forEach(function (value) {
        if (Array.isArray(value)) {
            out.push.apply(out, __spread(flatten(value, mapFn)));
        }
        else {
            out.push(mapFn ? mapFn(value) : value);
        }
    });
    return out;
}
function getProviderField(provider, field) {
    return provider && typeof provider === 'object' && provider[field];
}
function getProviderToken(provider) {
    return getProviderField(provider, 'provide') || provider;
}
function isMultiProvider(provider) {
    return !!getProviderField(provider, 'multi');
}
function forEachRight(values, fn) {
    for (var idx = values.length - 1; idx >= 0; idx--) {
        fn(values[idx], idx);
    }
}
var R3TestCompiler = /** @class */ (function () {
    function R3TestCompiler(testBed) {
        this.testBed = testBed;
    }
    R3TestCompiler.prototype.compileModuleSync = function (moduleType) {
        this.testBed._compileNgModuleSync(moduleType);
        return new ɵNgModuleFactory(moduleType);
    };
    R3TestCompiler.prototype.compileModuleAsync = function (moduleType) {
        return __awaiter(this, void 0, void 0, function () {
            return __generator(this, function (_a) {
                switch (_a.label) {
                    case 0: return [4 /*yield*/, this.testBed._compileNgModuleAsync(moduleType)];
                    case 1:
                        _a.sent();
                        return [2 /*return*/, new ɵNgModuleFactory(moduleType)];
                }
            });
        });
    };
    R3TestCompiler.prototype.compileModuleAndAllComponentsSync = function (moduleType) {
        var ngModuleFactory = this.compileModuleSync(moduleType);
        var componentFactories = this.testBed._getComponentFactories(moduleType);
        return new ModuleWithComponentFactories(ngModuleFactory, componentFactories);
    };
    R3TestCompiler.prototype.compileModuleAndAllComponentsAsync = function (moduleType) {
        return __awaiter(this, void 0, void 0, function () {
            var ngModuleFactory, componentFactories;
            return __generator(this, function (_a) {
                switch (_a.label) {
                    case 0: return [4 /*yield*/, this.compileModuleAsync(moduleType)];
                    case 1:
                        ngModuleFactory = _a.sent();
                        componentFactories = this.testBed._getComponentFactories(moduleType);
                        return [2 /*return*/, new ModuleWithComponentFactories(ngModuleFactory, componentFactories)];
                }
            });
        });
    };
    R3TestCompiler.prototype.clearCache = function () { };
    R3TestCompiler.prototype.clearCacheFor = function (type) { };
    R3TestCompiler.prototype.getModuleId = function (moduleType) {
        var meta = this.testBed._getModuleResolver().resolve(moduleType);
        return meta && meta.id || undefined;
    };
    return R3TestCompiler;
}());

/**
 * @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
 */
var _nextRootElementId = 0;
var UNDEFINED = Symbol('UNDEFINED');
/**
 * @description
 * Configures and initializes environment for unit testing and provides methods for
 * creating components and services in unit tests.
 *
 * TestBed is the primary api for writing unit tests for Angular applications and libraries.
 *
 * Note: Use `TestBed` in tests. It will be set to either `TestBedViewEngine` or `TestBedRender3`
 * according to the compiler used.
 */
var TestBedRender3 = /** @class */ (function () {
    function TestBedRender3() {
        // Properties
        this.platform = null;
        this.ngModule = null;
        this._compiler = null;
        this._testModuleRef = null;
        this._activeFixtures = [];
        this._globalCompilationChecked = false;
    }
    /**
     * Initialize the environment for testing with a compiler factory, a PlatformRef, and an
     * angular module. These are common to every test in the suite.
     *
     * This may only be called once, to set up the common providers for the current test
     * suite on the current platform. If you absolutely need to change the providers,
     * first use `resetTestEnvironment`.
     *
     * Test modules and platforms for individual platforms are available from
     * '@angular/<platform_name>/testing'.
     *
     * @publicApi
     */
    TestBedRender3.initTestEnvironment = function (ngModule, platform, aotSummaries) {
        var testBed = _getTestBedRender3();
        testBed.initTestEnvironment(ngModule, platform, aotSummaries);
        return testBed;
    };
    /**
     * Reset the providers for the test injector.
     *
     * @publicApi
     */
    TestBedRender3.resetTestEnvironment = function () { _getTestBedRender3().resetTestEnvironment(); };
    TestBedRender3.configureCompiler = function (config) {
        _getTestBedRender3().configureCompiler(config);
        return TestBedRender3;
    };
    /**
     * Allows overriding default providers, directives, pipes, modules of the test injector,
     * which are defined in test_injector.js
     */
    TestBedRender3.configureTestingModule = function (moduleDef) {
        _getTestBedRender3().configureTestingModule(moduleDef);
        return TestBedRender3;
    };
    /**
     * Compile components with a `templateUrl` for the test's NgModule.
     * It is necessary to call this function
     * as fetching urls is asynchronous.
     */
    TestBedRender3.compileComponents = function () { return _getTestBedRender3().compileComponents(); };
    TestBedRender3.overrideModule = function (ngModule, override) {
        _getTestBedRender3().overrideModule(ngModule, override);
        return TestBedRender3;
    };
    TestBedRender3.overrideComponent = function (component, override) {
        _getTestBedRender3().overrideComponent(component, override);
        return TestBedRender3;
    };
    TestBedRender3.overrideDirective = function (directive, override) {
        _getTestBedRender3().overrideDirective(directive, override);
        return TestBedRender3;
    };
    TestBedRender3.overridePipe = function (pipe, override) {
        _getTestBedRender3().overridePipe(pipe, override);
        return TestBedRender3;
    };
    TestBedRender3.overrideTemplate = function (component, template) {
        _getTestBedRender3().overrideComponent(component, { set: { template: template, templateUrl: null } });
        return TestBedRender3;
    };
    /**
     * Overrides the template of the given component, compiling the template
     * in the context of the TestingModule.
     *
     * Note: This works for JIT and AOTed components as well.
     */
    TestBedRender3.overrideTemplateUsingTestingModule = function (component, template) {
        _getTestBedRender3().overrideTemplateUsingTestingModule(component, template);
        return TestBedRender3;
    };
    TestBedRender3.overrideProvider = function (token, provider) {
        _getTestBedRender3().overrideProvider(token, provider);
        return TestBedRender3;
    };
    TestBedRender3.get = function (token, notFoundValue, flags) {
        if (notFoundValue === void 0) { notFoundValue = Injector.THROW_IF_NOT_FOUND; }
        if (flags === void 0) { flags = InjectFlags.Default; }
        return _getTestBedRender3().get(token, notFoundValue);
    };
    TestBedRender3.createComponent = function (component) {
        return _getTestBedRender3().createComponent(component);
    };
    TestBedRender3.resetTestingModule = function () {
        _getTestBedRender3().resetTestingModule();
        return TestBedRender3;
    };
    /**
     * Initialize the environment for testing with a compiler factory, a PlatformRef, and an
     * angular module. These are common to every test in the suite.
     *
     * This may only be called once, to set up the common providers for the current test
     * suite on the current platform. If you absolutely need to change the providers,
     * first use `resetTestEnvironment`.
     *
     * Test modules and platforms for individual platforms are available from
     * '@angular/<platform_name>/testing'.
     *
     * @publicApi
     */
    TestBedRender3.prototype.initTestEnvironment = function (ngModule, platform, aotSummaries) {
        if (this.platform || this.ngModule) {
            throw new Error('Cannot set base providers because it has already been called');
        }
        this.platform = platform;
        this.ngModule = ngModule;
        this._compiler = new R3TestBedCompiler(this.platform, this.ngModule);
    };
    /**
     * Reset the providers for the test injector.
     *
     * @publicApi
     */
    TestBedRender3.prototype.resetTestEnvironment = function () {
        this.resetTestingModule();
        this._compiler = null;
        this.platform = null;
        this.ngModule = null;
    };
    TestBedRender3.prototype.resetTestingModule = function () {
        this.checkGlobalCompilationFinished();
        ɵresetCompiledComponents();
        if (this._compiler !== null) {
            this.compiler.restoreOriginalState();
        }
        this._compiler = new R3TestBedCompiler(this.platform, this.ngModule);
        this._testModuleRef = null;
        this.destroyActiveFixtures();
    };
    TestBedRender3.prototype.configureCompiler = function (config) {
        if (config.useJit != null) {
            throw new Error('the Render3 compiler JiT mode is not configurable !');
        }
        if (config.providers !== undefined) {
            this.compiler.setCompilerProviders(config.providers);
        }
    };
    TestBedRender3.prototype.configureTestingModule = function (moduleDef) {
        this.assertNotInstantiated('R3TestBed.configureTestingModule', 'configure the test module');
        this.compiler.configureTestingModule(moduleDef);
    };
    TestBedRender3.prototype.compileComponents = function () { return this.compiler.compileComponents(); };
    TestBedRender3.prototype.get = function (token, notFoundValue, flags) {
        if (notFoundValue === void 0) { notFoundValue = Injector.THROW_IF_NOT_FOUND; }
        if (flags === void 0) { flags = InjectFlags.Default; }
        if (token === TestBedRender3) {
            return this;
        }
        var result = this.testModuleRef.injector.get(token, UNDEFINED, flags);
        return result === UNDEFINED ? this.compiler.injector.get(token, notFoundValue, flags) : result;
    };
    TestBedRender3.prototype.execute = function (tokens, fn, context) {
        var _this = this;
        var params = tokens.map(function (t) { return _this.get(t); });
        return fn.apply(context, params);
    };
    TestBedRender3.prototype.overrideModule = function (ngModule, override) {
        this.assertNotInstantiated('overrideModule', 'override module metadata');
        this.compiler.overrideModule(ngModule, override);
    };
    TestBedRender3.prototype.overrideComponent = function (component, override) {
        this.assertNotInstantiated('overrideComponent', 'override component metadata');
        this.compiler.overrideComponent(component, override);
    };
    TestBedRender3.prototype.overrideTemplateUsingTestingModule = function (component, template) {
        this.assertNotInstantiated('R3TestBed.overrideTemplateUsingTestingModule', 'Cannot override template when the test module has already been instantiated');
        this.compiler.overrideTemplateUsingTestingModule(component, template);
    };
    TestBedRender3.prototype.overrideDirective = function (directive, override) {
        this.assertNotInstantiated('overrideDirective', 'override directive metadata');
        this.compiler.overrideDirective(directive, override);
    };
    TestBedRender3.prototype.overridePipe = function (pipe, override) {
        this.assertNotInstantiated('overridePipe', 'override pipe metadata');
        this.compiler.overridePipe(pipe, override);
    };
    /**
     * Overwrites all providers for the given token with the given provider definition.
     */
    TestBedRender3.prototype.overrideProvider = function (token, provider) {
        this.compiler.overrideProvider(token, provider);
    };
    TestBedRender3.prototype.createComponent = function (type) {
        var _this = this;
        var testComponentRenderer = this.get(TestComponentRenderer);
        var rootElId = "root-ng-internal-isolated-" + _nextRootElementId++;
        testComponentRenderer.insertRootElement(rootElId);
        var componentDef = type.ngComponentDef;
        if (!componentDef) {
            throw new Error("It looks like '" + ɵstringify(type) + "' has not been IVY compiled - it has no 'ngComponentDef' field");
        }
        // TODO: Don't cast as `any`, proper type is boolean[]
        var noNgZone = this.get(ComponentFixtureNoNgZone, false);
        // TODO: Don't cast as `any`, proper type is boolean[]
        var autoDetect = this.get(ComponentFixtureAutoDetect, false);
        var ngZone = noNgZone ? null : this.get(NgZone, null);
        var componentFactory = new ɵRender3ComponentFactory(componentDef);
        var initComponent = function () {
            var componentRef = componentFactory.create(Injector.NULL, [], "#" + rootElId, _this.testModuleRef);
            return new ComponentFixture(componentRef, ngZone, autoDetect);
        };
        var fixture = ngZone ? ngZone.run(initComponent) : initComponent();
        this._activeFixtures.push(fixture);
        return fixture;
    };
    Object.defineProperty(TestBedRender3.prototype, "compiler", {
        get: function () {
            if (this._compiler === null) {
                throw new Error("Need to call TestBed.initTestEnvironment() first");
            }
            return this._compiler;
        },
        enumerable: true,
        configurable: true
    });
    Object.defineProperty(TestBedRender3.prototype, "testModuleRef", {
        get: function () {
            if (this._testModuleRef === null) {
                this._testModuleRef = this.compiler.finalize();
            }
            return this._testModuleRef;
        },
        enumerable: true,
        configurable: true
    });
    TestBedRender3.prototype.assertNotInstantiated = function (methodName, methodDescription) {
        if (this._testModuleRef !== null) {
            throw new Error("Cannot " + methodDescription + " when the test module has already been instantiated. " +
                ("Make sure you are not using `inject` before `" + methodName + "`."));
        }
    };
    /**
     * Check whether the module scoping queue should be flushed, and flush it if needed.
     *
     * When the TestBed is reset, it clears the JIT module compilation queue, cancelling any
     * in-progress module compilation. This creates a potential hazard - the very first time the
     * TestBed is initialized (or if it's reset without being initialized), there may be pending
     * compilations of modules declared in global scope. These compilations should be finished.
     *
     * To ensure that globally declared modules have their components scoped properly, this function
     * is called whenever TestBed is initialized or reset. The _first_ time that this happens, prior
     * to any other operations, the scoping queue is flushed.
     */
    TestBedRender3.prototype.checkGlobalCompilationFinished = function () {
        // Checking _testNgModuleRef is null should not be necessary, but is left in as an additional
        // guard that compilations queued in tests (after instantiation) are never flushed accidentally.
        if (!this._globalCompilationChecked && this._testModuleRef === null) {
            ɵflushModuleScopingQueueAsMuchAsPossible();
        }
        this._globalCompilationChecked = true;
    };
    TestBedRender3.prototype.destroyActiveFixtures = function () {
        this._activeFixtures.forEach(function (fixture) {
            try {
                fixture.destroy();
            }
            catch (e) {
                console.error('Error during cleanup of component', {
                    component: fixture.componentInstance,
                    stacktrace: e,
                });
            }
        });
        this._activeFixtures = [];
    };
    return TestBedRender3;
}());
var testBed;
function _getTestBedRender3() {
    return testBed = testBed || new TestBedRender3();
}

/**
 * @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 unimplemented() {
    throw Error('unimplemented');
}
/**
 * Special interface to the compiler only used by testing
 *
 * @publicApi
 */
var TestingCompiler = /** @class */ (function (_super) {
    __extends(TestingCompiler, _super);
    function TestingCompiler() {
        return _super !== null && _super.apply(this, arguments) || this;
    }
    Object.defineProperty(TestingCompiler.prototype, "injector", {
        get: function () { throw unimplemented(); },
        enumerable: true,
        configurable: true
    });
    TestingCompiler.prototype.overrideModule = function (module, overrides) {
        throw unimplemented();
    };
    TestingCompiler.prototype.overrideDirective = function (directive, overrides) {
        throw unimplemented();
    };
    TestingCompiler.prototype.overrideComponent = function (component, overrides) {
        throw unimplemented();
    };
    TestingCompiler.prototype.overridePipe = function (directive, overrides) {
        throw unimplemented();
    };
    /**
     * Allows to pass the compile summary from AOT compilation to the JIT compiler,
     * so that it can use the code generated by AOT.
     */
    TestingCompiler.prototype.loadAotSummaries = function (summaries) { throw unimplemented(); };
    /**
     * Gets the component factory for the given component.
     * This assumes that the component has been compiled before calling this call using
     * `compileModuleAndAllComponents*`.
     */
    TestingCompiler.prototype.getComponentFactory = function (component) { throw unimplemented(); };
    /**
     * Returns the component type that is stored in the given error.
     * This can be used for errors created by compileModule...
     */
    TestingCompiler.prototype.getComponentFromError = function (error) { throw unimplemented(); };
    TestingCompiler = __decorate([
        Injectable()
    ], TestingCompiler);
    return TestingCompiler;
}(Compiler));
/**
 * A factory for creating a Compiler
 *
 * @publicApi
 */
var TestingCompilerFactory = /** @class */ (function () {
    function TestingCompilerFactory() {
    }
    return TestingCompilerFactory;
}());

/**
 * @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
 */
var UNDEFINED$1 = new Object();
var _nextRootElementId$1 = 0;
/**
 * @description
 * Configures and initializes environment for unit testing and provides methods for
 * creating components and services in unit tests.
 *
 * `TestBed` is the primary api for writing unit tests for Angular applications and libraries.
 *
 * Note: Use `TestBed` in tests. It will be set to either `TestBedViewEngine` or `TestBedRender3`
 * according to the compiler used.
 */
var TestBedViewEngine = /** @class */ (function () {
    function TestBedViewEngine() {
        this._instantiated = false;
        this._compiler = null;
        this._moduleRef = null;
        this._moduleFactory = null;
        this._compilerOptions = [];
        this._moduleOverrides = [];
        this._componentOverrides = [];
        this._directiveOverrides = [];
        this._pipeOverrides = [];
        this._providers = [];
        this._declarations = [];
        this._imports = [];
        this._schemas = [];
        this._activeFixtures = [];
        this._testEnvAotSummaries = function () { return []; };
        this._aotSummaries = [];
        this._templateOverrides = [];
        this._isRoot = true;
        this._rootProviderOverrides = [];
        this.platform = null;
        this.ngModule = null;
    }
    /**
     * Initialize the environment for testing with a compiler factory, a PlatformRef, and an
     * angular module. These are common to every test in the suite.
     *
     * This may only be called once, to set up the common providers for the current test
     * suite on the current platform. If you absolutely need to change the providers,
     * first use `resetTestEnvironment`.
     *
     * Test modules and platforms for individual platforms are available from
     * '@angular/<platform_name>/testing'.
     */
    TestBedViewEngine.initTestEnvironment = function (ngModule, platform, aotSummaries) {
        var testBed = _getTestBedViewEngine();
        testBed.initTestEnvironment(ngModule, platform, aotSummaries);
        return testBed;
    };
    /**
     * Reset the providers for the test injector.
     */
    TestBedViewEngine.resetTestEnvironment = function () { _getTestBedViewEngine().resetTestEnvironment(); };
    TestBedViewEngine.resetTestingModule = function () {
        _getTestBedViewEngine().resetTestingModule();
        return TestBedViewEngine;
    };
    /**
     * Allows overriding default compiler providers and settings
     * which are defined in test_injector.js
     */
    TestBedViewEngine.configureCompiler = function (config) {
        _getTestBedViewEngine().configureCompiler(config);
        return TestBedViewEngine;
    };
    /**
     * Allows overriding default providers, directives, pipes, modules of the test injector,
     * which are defined in test_injector.js
     */
    TestBedViewEngine.configureTestingModule = function (moduleDef) {
        _getTestBedViewEngine().configureTestingModule(moduleDef);
        return TestBedViewEngine;
    };
    /**
     * Compile components with a `templateUrl` for the test's NgModule.
     * It is necessary to call this function
     * as fetching urls is asynchronous.
     */
    TestBedViewEngine.compileComponents = function () { return getTestBed().compileComponents(); };
    TestBedViewEngine.overrideModule = function (ngModule, override) {
        _getTestBedViewEngine().overrideModule(ngModule, override);
        return TestBedViewEngine;
    };
    TestBedViewEngine.overrideComponent = function (component, override) {
        _getTestBedViewEngine().overrideComponent(component, override);
        return TestBedViewEngine;
    };
    TestBedViewEngine.overrideDirective = function (directive, override) {
        _getTestBedViewEngine().overrideDirective(directive, override);
        return TestBedViewEngine;
    };
    TestBedViewEngine.overridePipe = function (pipe, override) {
        _getTestBedViewEngine().overridePipe(pipe, override);
        return TestBedViewEngine;
    };
    TestBedViewEngine.overrideTemplate = function (component, template) {
        _getTestBedViewEngine().overrideComponent(component, { set: { template: template, templateUrl: null } });
        return TestBedViewEngine;
    };
    /**
     * Overrides the template of the given component, compiling the template
     * in the context of the TestingModule.
     *
     * Note: This works for JIT and AOTed components as well.
     */
    TestBedViewEngine.overrideTemplateUsingTestingModule = function (component, template) {
        _getTestBedViewEngine().overrideTemplateUsingTestingModule(component, template);
        return TestBedViewEngine;
    };
    TestBedViewEngine.overrideProvider = function (token, provider) {
        _getTestBedViewEngine().overrideProvider(token, provider);
        return TestBedViewEngine;
    };
    TestBedViewEngine.get = function (token, notFoundValue, flags) {
        if (notFoundValue === void 0) { notFoundValue = Injector.THROW_IF_NOT_FOUND; }
        if (flags === void 0) { flags = InjectFlags.Default; }
        return _getTestBedViewEngine().get(token, notFoundValue, flags);
    };
    TestBedViewEngine.createComponent = function (component) {
        return _getTestBedViewEngine().createComponent(component);
    };
    /**
     * Initialize the environment for testing with a compiler factory, a PlatformRef, and an
     * angular module. These are common to every test in the suite.
     *
     * This may only be called once, to set up the common providers for the current test
     * suite on the current platform. If you absolutely need to change the providers,
     * first use `resetTestEnvironment`.
     *
     * Test modules and platforms for individual platforms are available from
     * '@angular/<platform_name>/testing'.
     */
    TestBedViewEngine.prototype.initTestEnvironment = function (ngModule, platform, aotSummaries) {
        if (this.platform || this.ngModule) {
            throw new Error('Cannot set base providers because it has already been called');
        }
        this.platform = platform;
        this.ngModule = ngModule;
        if (aotSummaries) {
            this._testEnvAotSummaries = aotSummaries;
        }
    };
    /**
     * Reset the providers for the test injector.
     */
    TestBedViewEngine.prototype.resetTestEnvironment = function () {
        this.resetTestingModule();
        this.platform = null;
        this.ngModule = null;
        this._testEnvAotSummaries = function () { return []; };
    };
    TestBedViewEngine.prototype.resetTestingModule = function () {
        ɵclearOverrides();
        this._aotSummaries = [];
        this._templateOverrides = [];
        this._compiler = null;
        this._moduleOverrides = [];
        this._componentOverrides = [];
        this._directiveOverrides = [];
        this._pipeOverrides = [];
        this._isRoot = true;
        this._rootProviderOverrides = [];
        this._moduleRef = null;
        this._moduleFactory = null;
        this._compilerOptions = [];
        this._providers = [];
        this._declarations = [];
        this._imports = [];
        this._schemas = [];
        this._instantiated = false;
        this._activeFixtures.forEach(function (fixture) {
            try {
                fixture.destroy();
            }
            catch (e) {
                console.error('Error during cleanup of component', {
                    component: fixture.componentInstance,
                    stacktrace: e,
                });
            }
        });
        this._activeFixtures = [];
    };
    TestBedViewEngine.prototype.configureCompiler = function (config) {
        this._assertNotInstantiated('TestBed.configureCompiler', 'configure the compiler');
        this._compilerOptions.push(config);
    };
    TestBedViewEngine.prototype.configureTestingModule = function (moduleDef) {
        var _a, _b, _c, _d;
        this._assertNotInstantiated('TestBed.configureTestingModule', 'configure the test module');
        if (moduleDef.providers) {
            (_a = this._providers).push.apply(_a, __spread(moduleDef.providers));
        }
        if (moduleDef.declarations) {
            (_b = this._declarations).push.apply(_b, __spread(moduleDef.declarations));
        }
        if (moduleDef.imports) {
            (_c = this._imports).push.apply(_c, __spread(moduleDef.imports));
        }
        if (moduleDef.schemas) {
            (_d = this._schemas).push.apply(_d, __spread(moduleDef.schemas));
        }
        if (moduleDef.aotSummaries) {
            this._aotSummaries.push(moduleDef.aotSummaries);
        }
    };
    TestBedViewEngine.prototype.compileComponents = function () {
        var _this = this;
        if (this._moduleFactory || this._instantiated) {
            return Promise.resolve(null);
        }
        var moduleType = this._createCompilerAndModule();
        return this._compiler.compileModuleAndAllComponentsAsync(moduleType)
            .then(function (moduleAndComponentFactories) {
            _this._moduleFactory = moduleAndComponentFactories.ngModuleFactory;
        });
    };
    TestBedViewEngine.prototype._initIfNeeded = function () {
        var e_1, _a;
        if (this._instantiated) {
            return;
        }
        if (!this._moduleFactory) {
            try {
                var moduleType = this._createCompilerAndModule();
                this._moduleFactory =
                    this._compiler.compileModuleAndAllComponentsSync(moduleType).ngModuleFactory;
            }
            catch (e) {
                var errorCompType = this._compiler.getComponentFromError(e);
                if (errorCompType) {
                    throw new Error("This test module uses the component " + ɵstringify(errorCompType) + " which is using a \"templateUrl\" or \"styleUrls\", but they were never compiled. " +
                        "Please call \"TestBed.compileComponents\" before your test.");
                }
                else {
                    throw e;
                }
            }
        }
        try {
            for (var _b = __values(this._templateOverrides), _c = _b.next(); !_c.done; _c = _b.next()) {
                var _d = _c.value, component = _d.component, templateOf = _d.templateOf;
                var compFactory = this._compiler.getComponentFactory(templateOf);
                ɵoverrideComponentView(component, compFactory);
            }
        }
        catch (e_1_1) { e_1 = { error: e_1_1 }; }
        finally {
            try {
                if (_c && !_c.done && (_a = _b.return)) _a.call(_b);
            }
            finally { if (e_1) throw e_1.error; }
        }
        var ngZone = new NgZone({ enableLongStackTrace: true });
        var providers = [{ provide: NgZone, useValue: ngZone }];
        var ngZoneInjector = Injector.create({
            providers: providers,
            parent: this.platform.injector,
            name: this._moduleFactory.moduleType.name
        });
        this._moduleRef = this._moduleFactory.create(ngZoneInjector);
        // ApplicationInitStatus.runInitializers() is marked @internal to core. So casting to any
        // before accessing it.
        this._moduleRef.injector.get(ApplicationInitStatus).runInitializers();
        this._instantiated = true;
    };
    TestBedViewEngine.prototype._createCompilerAndModule = function () {
        var _this = this;
        var e_2, _a;
        var providers = this._providers.concat([{ provide: TestBed, useValue: this }]);
        var declarations = __spread(this._declarations, this._templateOverrides.map(function (entry) { return entry.templateOf; }));
        var rootScopeImports = [];
        var rootProviderOverrides = this._rootProviderOverrides;
        if (this._isRoot) {
            var RootScopeModule = /** @class */ (function () {
                function RootScopeModule() {
                }
                RootScopeModule = __decorate([
                    NgModule({
                        providers: __spread(rootProviderOverrides),
                        jit: true,
                    })
                ], RootScopeModule);
                return RootScopeModule;
            }());
            rootScopeImports.push(RootScopeModule);
        }
        providers.push({ provide: ɵAPP_ROOT, useValue: this._isRoot });
        var imports = [rootScopeImports, this.ngModule, this._imports];
        var schemas = this._schemas;
        var DynamicTestModule = /** @class */ (function () {
            function DynamicTestModule() {
            }
            DynamicTestModule = __decorate([
                NgModule({ providers: providers, declarations: declarations, imports: imports, schemas: schemas, jit: true })
            ], DynamicTestModule);
            return DynamicTestModule;
        }());
        var compilerFactory = this.platform.injector.get(TestingCompilerFactory);
        this._compiler = compilerFactory.createTestingCompiler(this._compilerOptions);
        try {
            for (var _b = __values(__spread([this._testEnvAotSummaries], this._aotSummaries)), _c = _b.next(); !_c.done; _c = _b.next()) {
                var summary = _c.value;
                this._compiler.loadAotSummaries(summary);
            }
        }
        catch (e_2_1) { e_2 = { error: e_2_1 }; }
        finally {
            try {
                if (_c && !_c.done && (_a = _b.return)) _a.call(_b);
            }
            finally { if (e_2) throw e_2.error; }
        }
        this._moduleOverrides.forEach(function (entry) { return _this._compiler.overrideModule(entry[0], entry[1]); });
        this._componentOverrides.forEach(function (entry) { return _this._compiler.overrideComponent(entry[0], entry[1]); });
        this._directiveOverrides.forEach(function (entry) { return _this._compiler.overrideDirective(entry[0], entry[1]); });
        this._pipeOverrides.forEach(function (entry) { return _this._compiler.overridePipe(entry[0], entry[1]); });
        return DynamicTestModule;
    };
    TestBedViewEngine.prototype._assertNotInstantiated = function (methodName, methodDescription) {
        if (this._instantiated) {
            throw new Error("Cannot " + methodDescription + " when the test module has already been instantiated. " +
                ("Make sure you are not using `inject` before `" + methodName + "`."));
        }
    };
    TestBedViewEngine.prototype.get = function (token, notFoundValue, flags) {
        if (notFoundValue === void 0) { notFoundValue = Injector.THROW_IF_NOT_FOUND; }
        if (flags === void 0) { flags = InjectFlags.Default; }
        this._initIfNeeded();
        if (token === TestBed) {
            return this;
        }
        // Tests can inject things from the ng module and from the compiler,
        // but the ng module can't inject things from the compiler and vice versa.
        var result = this._moduleRef.injector.get(token, UNDEFINED$1, flags);
        return result === UNDEFINED$1 ? this._compiler.injector.get(token, notFoundValue, flags) : result;
    };
    TestBedViewEngine.prototype.execute = function (tokens, fn, context) {
        var _this = this;
        this._initIfNeeded();
        var params = tokens.map(function (t) { return _this.get(t); });
        return fn.apply(context, params);
    };
    TestBedViewEngine.prototype.overrideModule = function (ngModule, override) {
        this._assertNotInstantiated('overrideModule', 'override module metadata');
        this._moduleOverrides.push([ngModule, override]);
    };
    TestBedViewEngine.prototype.overrideComponent = function (component, override) {
        this._assertNotInstantiated('overrideComponent', 'override component metadata');
        this._componentOverrides.push([component, override]);
    };
    TestBedViewEngine.prototype.overrideDirective = function (directive, override) {
        this._assertNotInstantiated('overrideDirective', 'override directive metadata');
        this._directiveOverrides.push([directive, override]);
    };
    TestBedViewEngine.prototype.overridePipe = function (pipe, override) {
        this._assertNotInstantiated('overridePipe', 'override pipe metadata');
        this._pipeOverrides.push([pipe, override]);
    };
    TestBedViewEngine.prototype.overrideProvider = function (token, provider) {
        this.overrideProviderImpl(token, provider);
    };
    TestBedViewEngine.prototype.overrideProviderImpl = function (token, provider, deprecated) {
        if (deprecated === void 0) { deprecated = false; }
        var def = null;
        if (typeof token !== 'string' && (def = ɵgetInjectableDef(token)) && def.providedIn === 'root') {
            if (provider.useFactory) {
                this._rootProviderOverrides.push({ provide: token, useFactory: provider.useFactory, deps: provider.deps || [] });
            }
            else {
                this._rootProviderOverrides.push({ provide: token, useValue: provider.useValue });
            }
        }
        var flags = 0;
        var value;
        if (provider.useFactory) {
            flags |= 1024 /* TypeFactoryProvider */;
            value = provider.useFactory;
        }
        else {
            flags |= 256 /* TypeValueProvider */;
            value = provider.useValue;
        }
        var deps = (provider.deps || []).map(function (dep) {
            var depFlags = 0 /* None */;
            var depToken;
            if (Array.isArray(dep)) {
                dep.forEach(function (entry) {
                    if (entry instanceof Optional) {
                        depFlags |= 2 /* Optional */;
                    }
                    else if (entry instanceof SkipSelf) {
                        depFlags |= 1 /* SkipSelf */;
                    }
                    else {
                        depToken = entry;
                    }
                });
            }
            else {
                depToken = dep;
            }
            return [depFlags, depToken];
        });
        ɵoverrideProvider({ token: token, flags: flags, deps: deps, value: value, deprecatedBehavior: deprecated });
    };
    TestBedViewEngine.prototype.overrideTemplateUsingTestingModule = function (component, template) {
        this._assertNotInstantiated('overrideTemplateUsingTestingModule', 'override template');
        var OverrideComponent = /** @class */ (function () {
            function OverrideComponent() {
            }
            OverrideComponent = __decorate([
                Component({ selector: 'empty', template: template, jit: true })
            ], OverrideComponent);
            return OverrideComponent;
        }());
        this._templateOverrides.push({ component: component, templateOf: OverrideComponent });
    };
    TestBedViewEngine.prototype.createComponent = function (component) {
        var _this = this;
        this._initIfNeeded();
        var componentFactory = this._compiler.getComponentFactory(component);
        if (!componentFactory) {
            throw new Error("Cannot create the component " + ɵstringify(component) + " as it was not imported into the testing module!");
        }
        // TODO: Don't cast as `any`, proper type is boolean[]
        var noNgZone = this.get(ComponentFixtureNoNgZone, false);
        // TODO: Don't cast as `any`, proper type is boolean[]
        var autoDetect = this.get(ComponentFixtureAutoDetect, false);
        var ngZone = noNgZone ? null : this.get(NgZone, null);
        var testComponentRenderer = this.get(TestComponentRenderer);
        var rootElId = "root" + _nextRootElementId$1++;
        testComponentRenderer.insertRootElement(rootElId);
        var initComponent = function () {
            var componentRef = componentFactory.create(Injector.NULL, [], "#" + rootElId, _this._moduleRef);
            return new ComponentFixture(componentRef, ngZone, autoDetect);
        };
        var fixture = !ngZone ? initComponent() : ngZone.run(initComponent);
        this._activeFixtures.push(fixture);
        return fixture;
    };
    return TestBedViewEngine;
}());
/**
 * @description
 * Configures and initializes environment for unit testing and provides methods for
 * creating components and services in unit tests.
 *
 * `TestBed` is the primary api for writing unit tests for Angular applications and libraries.
 *
 * Note: Use `TestBed` in tests. It will be set to either `TestBedViewEngine` or `TestBedRender3`
 * according to the compiler used.
 *
 * @publicApi
 */
var TestBed = ɵivyEnabled ? TestBedRender3 : TestBedViewEngine;
/**
 * Returns a singleton of the applicable `TestBed`.
 *
 * It will be either an instance of `TestBedViewEngine` or `TestBedRender3`.
 *
 * @publicApi
 */
var getTestBed = ɵivyEnabled ? _getTestBedRender3 : _getTestBedViewEngine;
var testBed$1;
function _getTestBedViewEngine() {
    return testBed$1 = testBed$1 || new TestBedViewEngine();
}
/**
 * Allows injecting dependencies in `beforeEach()` and `it()`.
 *
 * Example:
 *
 * ```
 * beforeEach(inject([Dependency, AClass], (dep, object) => {
 *   // some code that uses `dep` and `object`
 *   // ...
 * }));
 *
 * it('...', inject([AClass], (object) => {
 *   object.doSomething();
 *   expect(...);
 * })
 * ```
 *
 * Notes:
 * - inject is currently a function because of some Traceur limitation the syntax should
 * eventually
 *   becomes `it('...', @Inject (object: AClass, async: AsyncTestCompleter) => { ... });`
 *
 * @publicApi
 */
function inject(tokens, fn) {
    var testBed = getTestBed();
    if (tokens.indexOf(AsyncTestCompleter) >= 0) {
        // Not using an arrow function to preserve context passed from call site
        return function () {
            var _this = this;
            // Return an async test method that returns a Promise if AsyncTestCompleter is one of
            // the injected tokens.
            return testBed.compileComponents().then(function () {
                var completer = testBed.get(AsyncTestCompleter);
                testBed.execute(tokens, fn, _this);
                return completer.promise;
            });
        };
    }
    else {
        // Not using an arrow function to preserve context passed from call site
        return function () { return testBed.execute(tokens, fn, this); };
    }
}
/**
 * @publicApi
 */
var InjectSetupWrapper = /** @class */ (function () {
    function InjectSetupWrapper(_moduleDef) {
        this._moduleDef = _moduleDef;
    }
    InjectSetupWrapper.prototype._addModule = function () {
        var moduleDef = this._moduleDef();
        if (moduleDef) {
            getTestBed().configureTestingModule(moduleDef);
        }
    };
    InjectSetupWrapper.prototype.inject = function (tokens, fn) {
        var self = this;
        // Not using an arrow function to preserve context passed from call site
        return function () {
            self._addModule();
            return inject(tokens, fn).call(this);
        };
    };
    return InjectSetupWrapper;
}());
function withModule(moduleDef, fn) {
    if (fn) {
        // Not using an arrow function to preserve context passed from call site
        return function () {
            var testBed = getTestBed();
            if (moduleDef) {
                testBed.configureTestingModule(moduleDef);
            }
            return fn.apply(this);
        };
    }
    return new InjectSetupWrapper(function () { return moduleDef; });
}

/**
 * @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
 */
var _global$1 = (typeof window === 'undefined' ? global : window);
// Reset the test providers and the fake async zone before each test.
if (_global$1.beforeEach) {
    _global$1.beforeEach(function () {
        TestBed.resetTestingModule();
        resetFakeAsyncZone();
    });
}
// TODO(juliemr): remove this, only used because we need to export something to have compilation
// work.
var __core_private_testing_placeholder__ = '';

/**
 * @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
 */

/**
 * @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
 */

/**
 * @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
 */
// This file only reexports content of the `src` folder. Keep it that way.

/**
 * @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
 */

/**
 * Generated bundle index. Do not edit.
 */

export { TestBedRender3 as ɵangular_packages_core_testing_testing_b, _getTestBedRender3 as ɵangular_packages_core_testing_testing_c, TestBedViewEngine as ɵangular_packages_core_testing_testing_a, TestBed, getTestBed, inject, InjectSetupWrapper, withModule, MetadataOverrider as ɵMetadataOverrider, async, ComponentFixture, resetFakeAsyncZone, fakeAsync, tick, flush, discardPeriodicTasks, flushMicrotasks, TestComponentRenderer, ComponentFixtureAutoDetect, ComponentFixtureNoNgZone, __core_private_testing_placeholder__, TestingCompiler as ɵTestingCompiler, TestingCompilerFactory as ɵTestingCompilerFactory };
//# sourceMappingURL=testing.js.map
