text: /**
   * @license Angular v5.2.4
   * (c) 2010-2018 Google, Inc. https://angular.io/
   * License: MIT
   */
  import { ApplicationInitStatus, Compiler, Component, InjectionToken, Injector, NgModule, NgZone, Optional, RendererFactory2, SkipSelf, getDebugNode, ɵclearOverrides, ɵoverrideComponentView, ɵoverrideProvider, ɵstringify } from '@angular/core';
  
  /**
   * @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
   */
  const _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(...);
   *   })
   * });
   * ```
   *
   * @stable
   */
  function async(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, (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 () {
          return new Promise((finishCallback, failCallback) => {
              runInTestZone(fn, this, finishCallback, failCallback);
          });
      };
  }
  function runInTestZone(fn, context, finishCallback, failCallback) {
      const currentZone = Zone.current;
      const 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');
      }
      const 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');
      }
      const 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.
      const proxyZone = Zone.current.getZoneWith('ProxyZoneSpec');
      const previousDelegate = proxyZoneSpec.getDelegate();
      proxyZone.parent.run(() => {
          const testZoneSpec = new AsyncTestZoneSpec(() => {
              // Need to restore the original zone.
              currentZone.run(() => {
                  if (proxyZoneSpec.getDelegate() == testZoneSpec) {
                      // Only reset the zone spec if it's sill this one. Otherwise, assume it's OK.
                      proxyZoneSpec.setDelegate(previousDelegate);
                  }
                  finishCallback();
              });
          }, (error) => {
              // Need to restore the original zone.
              currentZone.run(() => {
                  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
   */
  /**
   * Fixture for debugging and testing a component.
   *
   * @stable
   */
  class ComponentFixture {
      constructor(componentRef, ngZone, _autoDetect) {
          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(() => {
                  this._onUnstableSubscription =
                      ngZone.onUnstable.subscribe({ next: () => { this._isStable = false; } });
                  this._onMicrotaskEmptySubscription = ngZone.onMicrotaskEmpty.subscribe({
                      next: () => {
                          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: () => {
                          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(() => {
                                  if (!ngZone.hasPendingMacrotasks) {
                                      if (this._promise !== null) {
                                          this._resolve(true);
                                          this._resolve = null;
                                          this._promise = null;
                                      }
                                  }
                              });
                          }
                      }
                  });
                  this._onErrorSubscription =
                      ngZone.onError.subscribe({ next: (error) => { throw error; } });
              });
          }
      }
      _tick(checkNoChanges) {
          this.changeDetectorRef.detectChanges();
          if (checkNoChanges) {
              this.checkNoChanges();
          }
      }
      /**
         * Trigger a change detection cycle for the component.
         */
      detectChanges(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(() => { 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.
         */
      checkNoChanges() { this.changeDetectorRef.checkNoChanges(); }
      /**
         * Set whether the fixture should autodetect changes.
         *
         * Also runs detectChanges once so that any existing change is detected.
         */
      autoDetectChanges(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.
         */
      isStable() { 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.
         */
      whenStable() {
          if (this.isStable()) {
              return Promise.resolve(false);
          }
          else if (this._promise !== null) {
              return this._promise;
          }
          else {
              this._promise = new Promise(res => { this._resolve = res; });
              return this._promise;
          }
      }
      _getRenderer() {
          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.
          */
      whenRenderingDone() {
          const renderer = this._getRenderer();
          if (renderer && renderer.whenRenderingDone) {
              return renderer.whenRenderingDone();
          }
          return this.whenStable();
      }
      /**
         * Trigger component destruction.
         */
      destroy() {
          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;
          }
      }
  }
  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
   */
  const FakeAsyncTestZoneSpec = Zone['FakeAsyncTestZoneSpec'];
  const ProxyZoneSpec = Zone['ProxyZoneSpec'];
  let _fakeAsyncTestZoneSpec = null;
  /**
   * Clears out the shared fake async zone for a test.
   * To be called in a global `beforeEach`.
   *
   * @experimental
   */
  function resetFakeAsyncZone() {
      _fakeAsyncTestZoneSpec = null;
      ProxyZoneSpec.assertPresent().resetDelegate();
  }
  let _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.
   *
   * ## Example
   *
   * {@example core/testing/ts/fake_async.ts region='basic'}
   *
   * @param fn
   * @returns The function wrapped to be executed in the fakeAsync zone
   *
   * @experimental
   */
  function fakeAsync(fn) {
      // Not using an arrow function to preserve context passed from call site
      return function (...args) {
          const 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();
              }
              let res;
              const lastProxyZoneSpec = proxyZoneSpec.getDelegate();
              proxyZoneSpec.setDelegate(_fakeAsyncTestZoneSpec);
              try {
                  res = fn.apply(this, args);
                  flushMicrotasks();
              }
              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;
              resetFakeAsyncZone();
          }
      };
  }
  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.
   *
   * ## Example
   *
   * {@example core/testing/ts/fake_async.ts region='basic'}
   *
   * @experimental
   */
  function tick(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.
   *
   * @experimental
   */
  function flush(maxTurns) {
      return _getFakeAsyncZoneSpec().flush(maxTurns);
  }
  /**
   * Discard all remaining periodic tasks.
   *
   * @experimental
   */
  function discardPeriodicTasks() {
      const zoneSpec = _getFakeAsyncZoneSpec();
      const pendingTimers = zoneSpec.pendingPeriodicTimers;
      zoneSpec.pendingPeriodicTimers.length = 0;
  }
  /**
   * Flush any pending microtasks.
   *
   * @experimental
   */
  function flushMicrotasks() {
      _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
   */
  /**
   * Injectable completer that allows signaling completion of an asynchronous test. Used internally.
   */
  class AsyncTestCompleter {
      constructor() {
          this._promise = new Promise((res, rej) => {
              this._resolve = res;
              this._reject = rej;
          });
      }
      done(value) { this._resolve(value); }
      fail(error, stackTrace) { this._reject(error); }
      get promise() { return this._promise; }
  }
  
  /**
   * @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
   *
   * @experimental
   */
  class TestingCompiler extends Compiler {
      get injector() { throw unimplemented(); }
      overrideModule(module, overrides) {
          throw unimplemented();
      }
      overrideDirective(directive, overrides) {
          throw unimplemented();
      }
      overrideComponent(component, overrides) {
          throw unimplemented();
      }
      overridePipe(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.
         */
      loadAotSummaries(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*`.
         */
      getComponentFactory(component) { throw unimplemented(); }
      /**
         * Returns the component type that is stored in the given error.
         * This can be used for errors created by compileModule...
         */
      getComponentFromError(error) { throw unimplemented(); }
  }
  /**
   * A factory for creating a Compiler
   *
   * @experimental
   */
  class 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
   */
  const UNDEFINED = new Object();
  /**
   * An abstract class for inserting the root test component element in a platform independent way.
   *
   * @experimental
   */
  class TestComponentRenderer {
      insertRootElement(rootElementId) { }
  }
  let _nextRootElementId = 0;
  /**
   * @experimental
   */
  const ComponentFixtureAutoDetect = new InjectionToken('ComponentFixtureAutoDetect');
  /**
   * @experimental
   */
  const ComponentFixtureNoNgZone = new InjectionToken('ComponentFixtureNoNgZone');
  /**
   * @whatItDoes Configures and initializes environment for unit testing and provides methods for
   * creating components and services in unit tests.
   * @description
   *
   * TestBed is the primary api for writing unit tests for Angular applications and libraries.
   *
   * @stable
   */
  class TestBed {
      constructor() {
          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 = () => [];
          this._aotSummaries = [];
          this._templateOverrides = [];
          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'.
         *
         * @experimental
         */
      static initTestEnvironment(ngModule, platform, aotSummaries) {
          const testBed = getTestBed();
          testBed.initTestEnvironment(ngModule, platform, aotSummaries);
          return testBed;
      }
      /**
         * Reset the providers for the test injector.
         *
         * @experimental
         */
      static resetTestEnvironment() { getTestBed().resetTestEnvironment(); }
      static resetTestingModule() {
          getTestBed().resetTestingModule();
          return TestBed;
      }
      /**
         * Allows overriding default compiler providers and settings
         * which are defined in test_injector.js
         */
      static configureCompiler(config) {
          getTestBed().configureCompiler(config);
          return TestBed;
      }
      /**
         * Allows overriding default providers, directives, pipes, modules of the test injector,
         * which are defined in test_injector.js
         */
      static configureTestingModule(moduleDef) {
          getTestBed().configureTestingModule(moduleDef);
          return TestBed;
      }
      /**
         * Compile components with a `templateUrl` for the test's NgModule.
         * It is necessary to call this function
         * as fetching urls is asynchronous.
         */
      static compileComponents() { return getTestBed().compileComponents(); }
      static overrideModule(ngModule, override) {
          getTestBed().overrideModule(ngModule, override);
          return TestBed;
      }
      static overrideComponent(component, override) {
          getTestBed().overrideComponent(component, override);
          return TestBed;
      }
      static overrideDirective(directive, override) {
          getTestBed().overrideDirective(directive, override);
          return TestBed;
      }
      static overridePipe(pipe, override) {
          getTestBed().overridePipe(pipe, override);
          return TestBed;
      }
      static overrideTemplate(component, template) {
          getTestBed().overrideComponent(component, { set: { template, templateUrl: (null) } });
          return TestBed;
      }
      /**
         * 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.
         */
      static overrideTemplateUsingTestingModule(component, template) {
          getTestBed().overrideTemplateUsingTestingModule(component, template);
          return TestBed;
      }
      static overrideProvider(token, provider) {
          getTestBed().overrideProvider(token, provider);
          return TestBed;
      }
      static deprecatedOverrideProvider(token, provider) {
          getTestBed().deprecatedOverrideProvider(token, provider);
          return TestBed;
      }
      static get(token, notFoundValue = Injector.THROW_IF_NOT_FOUND) {
          return getTestBed().get(token, notFoundValue);
      }
      static createComponent(component) {
          return getTestBed().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'.
         *
         * @experimental
         */
      initTestEnvironment(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.
         *
         * @experimental
         */
      resetTestEnvironment() {
          this.resetTestingModule();
          this.platform = (null);
          this.ngModule = (null);
          this._testEnvAotSummaries = () => [];
      }
      resetTestingModule() {
          ɵclearOverrides();
          this._aotSummaries = [];
          this._templateOverrides = [];
          this._compiler = (null);
          this._moduleOverrides = [];
          this._componentOverrides = [];
          this._directiveOverrides = [];
          this._pipeOverrides = [];
          this._moduleRef = (null);
          this._moduleFactory = (null);
          this._compilerOptions = [];
          this._providers = [];
          this._declarations = [];
          this._imports = [];
          this._schemas = [];
          this._instantiated = false;
          this._activeFixtures.forEach((fixture) => {
              try {
                  fixture.destroy();
              }
              catch (e) {
                  console.error('Error during cleanup of component', fixture.componentInstance);
              }
          });
          this._activeFixtures = [];
      }
      configureCompiler(config) {
          this._assertNotInstantiated('TestBed.configureCompiler', 'configure the compiler');
          this._compilerOptions.push(config);
      }
      configureTestingModule(moduleDef) {
          this._assertNotInstantiated('TestBed.configureTestingModule', 'configure the test module');
          if (moduleDef.providers) {
              this._providers.push(...moduleDef.providers);
          }
          if (moduleDef.declarations) {
              this._declarations.push(...moduleDef.declarations);
          }
          if (moduleDef.imports) {
              this._imports.push(...moduleDef.imports);
          }
          if (moduleDef.schemas) {
              this._schemas.push(...moduleDef.schemas);
          }
          if (moduleDef.aotSummaries) {
              this._aotSummaries.push(moduleDef.aotSummaries);
          }
      }
      compileComponents() {
          if (this._moduleFactory || this._instantiated) {
              return Promise.resolve(null);
          }
          const moduleType = this._createCompilerAndModule();
          return this._compiler.compileModuleAndAllComponentsAsync(moduleType)
              .then((moduleAndComponentFactories) => {
              this._moduleFactory = moduleAndComponentFactories.ngModuleFactory;
          });
      }
      _initIfNeeded() {
          if (this._instantiated) {
              return;
          }
          if (!this._moduleFactory) {
              try {
                  const moduleType = this._createCompilerAndModule();
                  this._moduleFactory =
                      this._compiler.compileModuleAndAllComponentsSync(moduleType).ngModuleFactory;
              }
              catch (e) {
                  const 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;
                  }
              }
          }
          for (const { component, templateOf } of this._templateOverrides) {
              const compFactory = this._compiler.getComponentFactory(templateOf);
              ɵoverrideComponentView(component, compFactory);
          }
          const ngZone = new NgZone({ enableLongStackTrace: true });
          const providers = [{ provide: NgZone, useValue: ngZone }];
          const 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.
          // ApplicationInitStatus.runInitializers() is marked @internal to core. So casting to any
          // before accessing it.
          this._moduleRef.injector.get(ApplicationInitStatus).runInitializers();
          this._instantiated = true;
      }
      _createCompilerAndModule() {
          const providers = this._providers.concat([{ provide: TestBed, useValue: this }]);
          const declarations = [...this._declarations, ...this._templateOverrides.map(entry => entry.templateOf)];
          const imports = [this.ngModule, this._imports];
          const schemas = this._schemas;
          class DynamicTestModule {
          }
          DynamicTestModule.decorators = [
              { type: NgModule, args: [{ providers, declarations, imports, schemas },] },
          ];
          /** @nocollapse */
          DynamicTestModule.ctorParameters = () => [];
          const compilerFactory = this.platform.injector.get(TestingCompilerFactory);
          this._compiler = compilerFactory.createTestingCompiler(this._compilerOptions);
          for (const summary of [this._testEnvAotSummaries, ...this._aotSummaries]) {
              this._compiler.loadAotSummaries(summary);
          }
          this._moduleOverrides.forEach((entry) => this._compiler.overrideModule(entry[0], entry[1]));
          this._componentOverrides.forEach((entry) => this._compiler.overrideComponent(entry[0], entry[1]));
          this._directiveOverrides.forEach((entry) => this._compiler.overrideDirective(entry[0], entry[1]));
          this._pipeOverrides.forEach((entry) => this._compiler.overridePipe(entry[0], entry[1]));
          return DynamicTestModule;
      }
      _assertNotInstantiated(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}\`.`);
          }
      }
      get(token, notFoundValue = Injector.THROW_IF_NOT_FOUND) {
          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.
          const result = this._moduleRef.injector.get(token, UNDEFINED);
          return result === UNDEFINED ? this._compiler.injector.get(token, notFoundValue) : result;
      }
      execute(tokens, fn, context) {
          this._initIfNeeded();
          const params = tokens.map(t => this.get(t));
          return fn.apply(context, params);
      }
      overrideModule(ngModule, override) {
          this._assertNotInstantiated('overrideModule', 'override module metadata');
          this._moduleOverrides.push([ngModule, override]);
      }
      overrideComponent(component, override) {
          this._assertNotInstantiated('overrideComponent', 'override component metadata');
          this._componentOverrides.push([component, override]);
      }
      overrideDirective(directive, override) {
          this._assertNotInstantiated('overrideDirective', 'override directive metadata');
          this._directiveOverrides.push([directive, override]);
      }
      overridePipe(pipe, override) {
          this._assertNotInstantiated('overridePipe', 'override pipe metadata');
          this._pipeOverrides.push([pipe, override]);
      }
      overrideProvider(token, provider) {
          this.overrideProviderImpl(token, provider);
      }
      deprecatedOverrideProvider(token, provider) {
          this.overrideProviderImpl(token, provider, /* deprecated */ /* deprecated */ true);
      }
      overrideProviderImpl(token, provider, deprecated = false) {
          let flags = 0;
          let value;
          if (provider.useFactory) {
              flags |= 1024 /* TypeFactoryProvider */;
              value = provider.useFactory;
          }
          else {
              flags |= 256 /* TypeValueProvider */;
              value = provider.useValue;
          }
          const deps = (provider.deps || []).map((dep) => {
              let depFlags = 0;
              let depToken;
              if (Array.isArray(dep)) {
                  dep.forEach((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, flags, deps, value, deprecatedBehavior: deprecated });
      }
      overrideTemplateUsingTestingModule(component, template) {
          this._assertNotInstantiated('overrideTemplateUsingTestingModule', 'override template');
          class OverrideComponent {
          }
          OverrideComponent.decorators = [
              { type: Component, args: [{ selector: 'empty', template },] },
          ];
          /** @nocollapse */
          OverrideComponent.ctorParameters = () => [];
          this._templateOverrides.push({ component, templateOf: OverrideComponent });
      }
      createComponent(component) {
          this._initIfNeeded();
          const componentFactory = this._compiler.getComponentFactory(component);
          if (!componentFactory) {
              throw new Error(`Cannot create the component ${ɵstringify(component)} as it was not imported into the testing module!`);
          }
          const noNgZone = this.get(ComponentFixtureNoNgZone, false);
          const autoDetect = this.get(ComponentFixtureAutoDetect, false);
          const ngZone = noNgZone ? null : this.get(NgZone, null);
          const testComponentRenderer = this.get(TestComponentRenderer);
          const rootElId = `root${_nextRootElementId++}`;
          testComponentRenderer.insertRootElement(rootElId);
          const initComponent = () => {
              const componentRef = componentFactory.create(Injector.NULL, [], `#${rootElId}`, this._moduleRef);
              return new ComponentFixture(componentRef, ngZone, autoDetect);
          };
          const fixture = !ngZone ? initComponent() : ngZone.run(initComponent);
          this._activeFixtures.push(fixture);
          return fixture;
      }
  }
  let _testBed = (null);
  /**
   * @experimental
   */
  function getTestBed() {
      return _testBed = _testBed || new TestBed();
  }
  /**
   * 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) => { ... });`
   *
   * @stable
   */
  function inject(tokens, fn) {
      const testBed = getTestBed();
      if (tokens.indexOf(AsyncTestCompleter) >= 0) {
          // Not using an arrow function to preserve context passed from call site
          return function () {
              // Return an async test method that returns a Promise if AsyncTestCompleter is one of
              // the injected tokens.
              return testBed.compileComponents().then(() => {
                  const 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); };
      }
  }
  /**
   * @experimental
   */
  class InjectSetupWrapper {
      constructor(_moduleDef) {
          this._moduleDef = _moduleDef;
      }
      _addModule() {
          const moduleDef = this._moduleDef();
          if (moduleDef) {
              getTestBed().configureTestingModule(moduleDef);
          }
      }
      inject(tokens, fn) {
          const self = this;
          // Not using an arrow function to preserve context passed from call site
          return function () {
              self._addModule();
              return inject(tokens, fn).call(this);
          };
      }
  }
  function withModule(moduleDef, fn) {
      if (fn) {
          // Not using an arrow function to preserve context passed from call site
          return function () {
              const testBed = getTestBed();
              if (moduleDef) {
                  testBed.configureTestingModule(moduleDef);
              }
              return fn.apply(this);
          };
      }
      return new InjectSetupWrapper(() => 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
   */
  const _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(() => {
          TestBed.resetTestingModule();
          resetFakeAsyncZone();
      });
  }
  // TODO(juliemr): remove this, only used because we need to export something to have compilation
  // work.
  const __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.
  
  /**
   * Generated bundle index. Do not edit.
   */
  
  export { async, ComponentFixture, resetFakeAsyncZone, fakeAsync, tick, flush, discardPeriodicTasks, flushMicrotasks, TestComponentRenderer, ComponentFixtureAutoDetect, ComponentFixtureNoNgZone, TestBed, getTestBed, inject, InjectSetupWrapper, withModule, __core_private_testing_placeholder__, TestingCompiler as ɵTestingCompiler, TestingCompilerFactory as ɵTestingCompilerFactory };
  //# sourceMappingURL=testing.js.map
  