describe('navigation', () => {
    beforeEachProviders(() => [
      provide(RouterUrlSerializer, {useClass: DefaultRouterUrlSerializer}),
      RouterOutletMap,
      provide(Location, {useClass: SpyLocation}),
      provide(Router,
              {
                useFactory: (resolver, urlParser, outletMap, location) => new Router(
                                "RootComponent", RootCmp, resolver, urlParser, outletMap, location),
                deps: [ComponentResolver, RouterUrlSerializer, RouterOutletMap, Location]
              })
    ]);

    it('should update location when navigating',
       fakeAsync(inject([Router, TestComponentBuilder, Location], (router, tcb, location) => {
         let fixture = tcb.createFakeAsync(RootCmp);

         router.navigateByUrl('/team/22/user/victor');
         advance(fixture);
         expect(location.path()).toEqual('/team/22/user/victor');

         router.navigateByUrl('/team/33/simple');
         advance(fixture);

         expect(location.path()).toEqual('/team/33/simple');
       })));

    it('should support nested routes',
       fakeAsync(inject([Router, TestComponentBuilder], (router, tcb) => {
         let fixture = tcb.createFakeAsync(RootCmp);

         router.navigateByUrl('/team/22/user/victor');
         advance(fixture);

         expect(fixture.debugElement.nativeElement).toHaveText('team 22 { hello victor, aux:  }');
       })));

    it('should support aux routes',
       fakeAsync(inject([Router, TestComponentBuilder], (router, tcb) => {
         let fixture = tcb.createFakeAsync(RootCmp);

         router.navigateByUrl('/team/22/user/victor(/simple)');
         advance(fixture);

         expect(fixture.debugElement.nativeElement)
             .toHaveText('team 22 { hello victor, aux: simple }');
       })));

    it('should unload outlets', fakeAsync(inject([Router, TestComponentBuilder], (router, tcb) => {
         let fixture = tcb.createFakeAsync(RootCmp);

         router.navigateByUrl('/team/22/user/victor(/simple)');
         advance(fixture);

         router.navigateByUrl('/team/22/user/victor');
         advance(fixture);

         expect(fixture.debugElement.nativeElement).toHaveText('team 22 { hello victor, aux:  }');
       })));

    it('should unload nested outlets',
       fakeAsync(inject([Router, TestComponentBuilder], (router, tcb) => {
         let fixture = tcb.createFakeAsync(RootCmp);

         router.navigateByUrl('/team/22/user/victor(/simple)');
         advance(fixture);

         router.navigateByUrl('/');
         advance(fixture);

         expect(fixture.debugElement.nativeElement).toHaveText('');
       })));

    it('should update nested routes when url changes',
       fakeAsync(inject([Router, TestComponentBuilder], (router, tcb) => {
         let fixture = tcb.createFakeAsync(RootCmp);

         router.navigateByUrl('/team/22/user/victor');
         advance(fixture);
         let team1 = fixture.debugElement.children[1].componentInstance;

         router.navigateByUrl('/team/22/user/fedor');
         advance(fixture);
         let team2 = fixture.debugElement.children[1].componentInstance;

         expect(team1).toBe(team2);
         expect(fixture.debugElement.nativeElement).toHaveText('team 22 { hello fedor, aux:  }');
       })));

    it('should not unload the route if can deactivate returns false',
       fakeAsync(inject([Router, TestComponentBuilder, Location], (router, tcb, location) => {
         let fixture = tcb.createFakeAsync(RootCmp);

         router.navigateByUrl('/team/22/cannotDeactivate');
         advance(fixture);

         router.navigateByUrl('/team/22/user/fedor');
         advance(fixture);

         expect(fixture.debugElement.nativeElement)
//.........这里部分代码省略.........

  describe('router bootstrap', () => {
    beforeEachProviders(() => [
      ROUTER_PROVIDERS,
      provide(LocationStrategy, {useClass: MockLocationStrategy}),
      provide(ApplicationRef, {useClass: MockApplicationRef})
    ]);

    // do not refactor out the `bootstrap` functionality. We still want to
    // keep this test around so we can ensure that bootstrapping a router works
    it('should bootstrap a simple app', inject([AsyncTestCompleter], (async) => {
         var fakeDoc = DOM.createHtmlDocument();
         var el = DOM.createElement('app-cmp', fakeDoc);
         DOM.appendChild(fakeDoc.body, el);

         bootstrap(AppCmp,
                   [
                     ROUTER_PROVIDERS,
                     provide(ROUTER_PRIMARY_COMPONENT, {useValue: AppCmp}),
                     provide(LocationStrategy, {useClass: MockLocationStrategy}),
                     provide(DOCUMENT, {useValue: fakeDoc}),
                     provide(Console, {useClass: DummyConsole})
                   ])
             .then((applicationRef) => {
               var router = applicationRef.hostComponent.router;
               router.subscribe((_) => {
                 expect(el).toHaveText('outer { hello }');
                 expect(applicationRef.hostComponent.location.path()).toEqual('');
                 async.done();
               });
             });
       }));

    describe('broken app', () => {
      beforeEachProviders(() => [provide(ROUTER_PRIMARY_COMPONENT, {useValue: BrokenAppCmp})]);

      it('should rethrow exceptions from component constructors',
         inject([AsyncTestCompleter, TestComponentBuilder], (async, tcb: TestComponentBuilder) => {
           tcb.createAsync(AppCmp).then((fixture) => {
             var router = fixture.debugElement.componentInstance.router;
             PromiseWrapper.catchError(router.navigateByUrl('/cause-error'), (error) => {
               expect(error).toContainError('oops!');
               async.done();
             });
           });
         }));
    });

    describe('back button app', () => {
      beforeEachProviders(() => [provide(ROUTER_PRIMARY_COMPONENT, {useValue: HierarchyAppCmp})]);

      it('should change the url without pushing a new history state for back navigations',
         inject([AsyncTestCompleter, TestComponentBuilder], (async, tcb: TestComponentBuilder) => {

           tcb.createAsync(HierarchyAppCmp)
               .then((fixture) => {
                 var router = fixture.debugElement.componentInstance.router;
                 var position = 0;
                 var flipped = false;
                 var history = [
                   ['/parent/child', 'root { parent { hello } }', '/super-parent/child'],
                   ['/super-parent/child', 'root { super-parent { hello2 } }', '/parent/child'],
                   ['/parent/child', 'root { parent { hello } }', false]
                 ];

                 router.subscribe((_) => {
                   var location = fixture.debugElement.componentInstance.location;
                   var element = fixture.debugElement.nativeElement;
                   var path = location.path();

                   var entry = history[position];

                   expect(path).toEqual(entry[0]);
                   expect(element).toHaveText(entry[1]);

                   var nextUrl = entry[2];
                   if (nextUrl == false) {
                     flipped = true;
                   }

                   if (flipped && position == 0) {
                     async.done();
                     return;
                   }

                   position = position + (flipped ? -1 : 1);
                   if (flipped) {
                     location.back();
                   } else {
                     router.navigateByUrl(nextUrl);
                   }
                 });

                 router.navigateByUrl(history[0][0]);
               });
         }), 1000);
    });

    describe('hierarchical app', () => {
      beforeEachProviders(
          () => { return [provide(ROUTER_PRIMARY_COMPONENT, {useValue: HierarchyAppCmp})]; });
//.........这里部分代码省略.........

  describe('redirects', () => {

    var tcb: TestComponentBuilder;
    var rootTC: ComponentFixture;
    var rtr;

    beforeEachProviders(() => TEST_ROUTER_PROVIDERS);

    beforeEach(inject([TestComponentBuilder, Router], (tcBuilder, router) => {
      tcb = tcBuilder;
      rtr = router;
      childCmpInstanceCount = 0;
      cmpInstanceCount = 0;
    }));


    it('should apply when navigating by URL',
       inject([AsyncTestCompleter, Location], (async, location) => {
         compile(tcb)
             .then((rtc) => {rootTC = rtc})
             .then((_) => rtr.config([
               new Redirect({path: '/original', redirectTo: ['Hello']}),
               new Route({path: '/redirected', component: HelloCmp, name: 'Hello'})
             ]))
             .then((_) => rtr.navigateByUrl('/original'))
             .then((_) => {
               rootTC.detectChanges();
               expect(rootTC.debugElement.nativeElement).toHaveText('hello');
               expect(location.urlChanges).toEqual(['/redirected']);
               async.done();
             });
       }));


    it('should recognize and apply absolute redirects',
       inject([AsyncTestCompleter, Location], (async, location) => {
         compile(tcb)
             .then((rtc) => {rootTC = rtc})
             .then((_) => rtr.config([
               new Redirect({path: '/original', redirectTo: ['/Hello']}),
               new Route({path: '/redirected', component: HelloCmp, name: 'Hello'})
             ]))
             .then((_) => rtr.navigateByUrl('/original'))
             .then((_) => {
               rootTC.detectChanges();
               expect(rootTC.debugElement.nativeElement).toHaveText('hello');
               expect(location.urlChanges).toEqual(['/redirected']);
               async.done();
             });
       }));


    it('should recognize and apply relative child redirects',
       inject([AsyncTestCompleter, Location], (async, location) => {
         compile(tcb)
             .then((rtc) => {rootTC = rtc})
             .then((_) => rtr.config([
               new Redirect({path: '/original', redirectTo: ['./Hello']}),
               new Route({path: '/redirected', component: HelloCmp, name: 'Hello'})
             ]))
             .then((_) => rtr.navigateByUrl('/original'))
             .then((_) => {
               rootTC.detectChanges();
               expect(rootTC.debugElement.nativeElement).toHaveText('hello');
               expect(location.urlChanges).toEqual(['/redirected']);
               async.done();
             });
       }));


    it('should recognize and apply relative parent redirects',
       inject([AsyncTestCompleter, Location], (async, location) => {
         compile(tcb)
             .then((rtc) => {rootTC = rtc})
             .then((_) => rtr.config([
               new Route({path: '/original/...', component: RedirectToParentCmp}),
               new Route({path: '/redirected', component: HelloCmp, name: 'HelloSib'})
             ]))
             .then((_) => rtr.navigateByUrl('/original/child-redirect'))
             .then((_) => {
               rootTC.detectChanges();
               expect(rootTC.debugElement.nativeElement).toHaveText('hello');
               expect(location.urlChanges).toEqual(['/redirected']);
               async.done();
             });
       }));


    it('should not redirect when redirect is less specific than other matching routes',
       inject([AsyncTestCompleter, Location], (async, location) => {
         compile(tcb)
             .then((rtc) => {rootTC = rtc})
             .then((_) => rtr.config([
               new Route({path: '/foo', component: HelloCmp, name: 'Hello'}),
               new Route({path: '/:param', component: GoodbyeCmp, name: 'Goodbye'}),
               new Redirect({path: '/*rest', redirectTo: ['/Hello']})
             ]))
             .then((_) => rtr.navigateByUrl('/bye'))
             .then((_) => {
               rootTC.detectChanges();
//.........这里部分代码省略.........

  describe('TemplateNormalizer', () => {
    var dirType: CompileTypeMetadata;
    var dirTypeWithHttpUrl: CompileTypeMetadata;

    beforeEachProviders(() => TEST_PROVIDERS);

    beforeEach(() => {
      dirType = new CompileTypeMetadata({moduleUrl: 'package:some/module/a.js', name: 'SomeComp'});
      dirTypeWithHttpUrl =
          new CompileTypeMetadata({moduleUrl: 'http://some/module/a.js', name: 'SomeComp'});
    });

    describe('loadTemplate', () => {
      describe('inline template', () => {
        it('should store the template',
           inject(
               [AsyncTestCompleter, TemplateNormalizer],
               (async, normalizer: TemplateNormalizer) => {
                 normalizer
                     .normalizeTemplate(dirType, new CompileTemplateMetadata({
                                          encapsulation: null,
                                          template: 'a',
                                          templateUrl: null,
                                          styles: [],
                                          styleUrls: ['test.css']
                                        }))
                     .then((template: CompileTemplateMetadata) => {
                       expect(template.template).toEqual('a');
                       expect(template.templateUrl).toEqual('package:some/module/a.js');
                       async.done();
                     });
               }));

        it('should resolve styles on the annotation against the moduleUrl',
           inject(
               [AsyncTestCompleter, TemplateNormalizer],
               (async, normalizer: TemplateNormalizer) => {
                 normalizer
                     .normalizeTemplate(dirType, new CompileTemplateMetadata({
                                          encapsulation: null,
                                          template: '',
                                          templateUrl: null,
                                          styles: [],
                                          styleUrls: ['test.css']
                                        }))
                     .then((template: CompileTemplateMetadata) => {
                       expect(template.styleUrls).toEqual(['package:some/module/test.css']);
                       async.done();
                     });
               }));

        it('should resolve styles in the template against the moduleUrl',
           inject(
               [AsyncTestCompleter, TemplateNormalizer],
               (async, normalizer: TemplateNormalizer) => {
                 normalizer
                     .normalizeTemplate(dirType, new CompileTemplateMetadata({
                                          encapsulation: null,
                                          template: '<style>@import test.css</style>',
                                          templateUrl: null,
                                          styles: [],
                                          styleUrls: []
                                        }))
                     .then((template: CompileTemplateMetadata) => {
                       expect(template.styleUrls).toEqual(['package:some/module/test.css']);
                       async.done();
                     });
               }));
      });

      describe('templateUrl', () => {

        it('should load a template from a url that is resolved against moduleUrl',
           inject(
               [AsyncTestCompleter, TemplateNormalizer, XHR],
               (async, normalizer: TemplateNormalizer, xhr: MockXHR) => {
                 xhr.expect('package:some/module/sometplurl.html', 'a');
                 normalizer
                     .normalizeTemplate(dirType, new CompileTemplateMetadata({
                                          encapsulation: null,
                                          template: null,
                                          templateUrl: 'sometplurl.html',
                                          styles: [],
                                          styleUrls: ['test.css']
                                        }))
                     .then((template: CompileTemplateMetadata) => {
                       expect(template.template).toEqual('a');
                       expect(template.templateUrl).toEqual('package:some/module/sometplurl.html');
                       async.done();
                     });
                 xhr.flush();
               }));

        it('should resolve styles on the annotation against the moduleUrl',
           inject(
               [AsyncTestCompleter, TemplateNormalizer, XHR],
               (async, normalizer: TemplateNormalizer, xhr: MockXHR) => {
                 xhr.expect('package:some/module/tpl/sometplurl.html', '');
                 normalizer
                     .normalizeTemplate(dirType, new CompileTemplateMetadata({
//.........这里部分代码省略.........

  describe('routerLink directive', function() {
    var tcb: TestComponentBuilder;

    beforeEachProviders(() => [
      provide(Location, {useValue: makeDummyLocation()}),
      provide(Router, {useValue: makeDummyRouter()})
    ]);

    beforeEach(inject([TestComponentBuilder], (tcBuilder) => { tcb = tcBuilder; }));

    it('should update a[href] attribute', inject([AsyncTestCompleter], (async) => {

         tcb.createAsync(TestComponent)
             .then((testComponent) => {
               testComponent.detectChanges();
               let anchorElement =
                   testComponent.debugElement.query(By.css('a.detail-view')).nativeElement;
               expect(DOM.getAttribute(anchorElement, 'href')).toEqual('detail');
               async.done();
             });
       }));


    it('should call router.navigate when a link is clicked',
       inject([AsyncTestCompleter, Router], (async, router) => {

         tcb.createAsync(TestComponent)
             .then((testComponent) => {
               testComponent.detectChanges();
               // TODO: shouldn't this be just 'click' rather than '^click'?
               testComponent.debugElement.query(By.css('a.detail-view'))
                   .triggerEventHandler('click', null);
               expect(router.spy('navigateByInstruction')).toHaveBeenCalledWith(dummyInstruction);
               async.done();
             });
       }));

    it('should call router.navigate when a link is clicked if target is _self',
       inject([AsyncTestCompleter, Router], (async, router) => {

         tcb.createAsync(TestComponent)
             .then((testComponent) => {
               testComponent.detectChanges();
               testComponent.debugElement.query(By.css('a.detail-view-self'))
                   .triggerEventHandler('click', null);
               expect(router.spy('navigateByInstruction')).toHaveBeenCalledWith(dummyInstruction);
               async.done();
             });
       }));

    it('should NOT call router.navigate when a link is clicked if target is set to other than _self',
       inject([AsyncTestCompleter, Router], (async, router) => {

         tcb.createAsync(TestComponent)
             .then((testComponent) => {
               testComponent.detectChanges();
               testComponent.debugElement.query(By.css('a.detail-view-blank'))
                   .triggerEventHandler('click', null);
               expect(router.spy('navigateByInstruction')).not.toHaveBeenCalled();
               async.done();
             });
       }));
  });

  describe('navigation', () => {

    var tcb: TestComponentBuilder;
    var fixture: ComponentFixture<any>;
    var rtr;

    beforeEachProviders(() => TEST_ROUTER_PROVIDERS);

    beforeEach(inject([TestComponentBuilder, Router], (tcBuilder, router) => {
      tcb = tcBuilder;
      rtr = router;
      childCmpInstanceCount = 0;
      cmpInstanceCount = 0;
    }));

    it('should work in a simple case', inject([AsyncTestCompleter], (async) => {
         compile(tcb)
             .then((rtc) => {fixture = rtc})
             .then((_) => rtr.config([new Route({path: '/test', component: HelloCmp})]))
             .then((_) => rtr.navigateByUrl('/test'))
             .then((_) => {
               fixture.detectChanges();
               expect(fixture.debugElement.nativeElement).toHaveText('hello');
               async.done();
             });
       }));


    it('should navigate between components with different parameters',
       inject([AsyncTestCompleter], (async) => {
         compile(tcb)
             .then((rtc) => {fixture = rtc})
             .then((_) => rtr.config([new Route({path: '/user/:name', component: UserCmp})]))
             .then((_) => rtr.navigateByUrl('/user/brian'))
             .then((_) => {
               fixture.detectChanges();
               expect(fixture.debugElement.nativeElement).toHaveText('hello brian');
             })
             .then((_) => rtr.navigateByUrl('/user/igor'))
             .then((_) => {
               fixture.detectChanges();
               expect(fixture.debugElement.nativeElement).toHaveText('hello igor');
               async.done();
             });
       }));

    it('should navigate to child routes', inject([AsyncTestCompleter], (async) => {
         compile(tcb, 'outer { <router-outlet></router-outlet> }')
             .then((rtc) => {fixture = rtc})
             .then((_) => rtr.config([new Route({path: '/a/...', component: ParentCmp})]))
             .then((_) => rtr.navigateByUrl('/a/b'))
             .then((_) => {
               fixture.detectChanges();
               expect(fixture.debugElement.nativeElement).toHaveText('outer { inner { hello } }');
               async.done();
             });
       }));

    it('should navigate to child routes that capture an empty path',
       inject([AsyncTestCompleter], (async) => {

         compile(tcb, 'outer { <router-outlet></router-outlet> }')
             .then((rtc) => {fixture = rtc})
             .then((_) => rtr.config([new Route({path: '/a/...', component: ParentCmp})]))
             .then((_) => rtr.navigateByUrl('/a'))
             .then((_) => {
               fixture.detectChanges();
               expect(fixture.debugElement.nativeElement).toHaveText('outer { inner { hello } }');
               async.done();
             });
       }));

    it('should navigate to child routes when the root component has an empty path',
       inject([AsyncTestCompleter, Location], (async, location) => {
         compile(tcb, 'outer { <router-outlet></router-outlet> }')
             .then((rtc) => {fixture = rtc})
             .then((_) => rtr.config([new Route({path: '/...', component: ParentCmp})]))
             .then((_) => rtr.navigateByUrl('/b'))
             .then((_) => {
               fixture.detectChanges();
               expect(fixture.debugElement.nativeElement).toHaveText('outer { inner { hello } }');
               expect(location.urlChanges).toEqual(['/b']);
               async.done();
             });
       }));

    it('should navigate to child routes of async routes', inject([AsyncTestCompleter], (async) => {
         compile(tcb, 'outer { <router-outlet></router-outlet> }')
             .then((rtc) => {fixture = rtc})
             .then((_) => rtr.config([new AsyncRoute({path: '/a/...', loader: parentLoader})]))
             .then((_) => rtr.navigateByUrl('/a/b'))
             .then((_) => {
               fixture.detectChanges();
               expect(fixture.debugElement.nativeElement).toHaveText('outer { inner { hello } }');
               async.done();
             });
       }));

    it('should reuse common parent components', inject([AsyncTestCompleter], (async) => {
         compile(tcb)
//.........这里部分代码省略.........

  describe('RuntimeMetadataResolver', () => {
    beforeEachProviders(() => TEST_PROVIDERS);

    describe('getMetadata', () => {
      it('should read metadata',
         inject([RuntimeMetadataResolver], (resolver: RuntimeMetadataResolver) => {
           var meta = resolver.getDirectiveMetadata(ComponentWithEverything);
           expect(meta.selector).toEqual('someSelector');
           expect(meta.exportAs).toEqual('someExportAs');
           expect(meta.isComponent).toBe(true);
           expect(meta.dynamicLoadable).toBe(true);
           expect(meta.type.runtime).toBe(ComponentWithEverything);
           expect(meta.type.name).toEqual(stringify(ComponentWithEverything));
           expect(meta.type.moduleUrl).toEqual(`package:someModuleId${MODULE_SUFFIX}`);
           expect(meta.lifecycleHooks).toEqual(LIFECYCLE_HOOKS_VALUES);
           expect(meta.changeDetection).toBe(ChangeDetectionStrategy.CheckAlways);
           expect(meta.inputs).toEqual({'someProp': 'someProp'});
           expect(meta.outputs).toEqual({'someEvent': 'someEvent'});
           expect(meta.hostListeners).toEqual({'someHostListener': 'someHostListenerExpr'});
           expect(meta.hostProperties).toEqual({'someHostProp': 'someHostPropExpr'});
           expect(meta.hostAttributes).toEqual({'someHostAttr': 'someHostAttrValue'});
           expect(meta.template.encapsulation).toBe(ViewEncapsulation.Emulated);
           expect(meta.template.styles).toEqual(['someStyle']);
           expect(meta.template.styleUrls).toEqual(['someStyleUrl']);
           expect(meta.template.template).toEqual('someTemplate');
           expect(meta.template.templateUrl).toEqual('someTemplateUrl');
         }));

      it('should use the moduleUrl from the reflector if none is given',
         inject([RuntimeMetadataResolver], (resolver: RuntimeMetadataResolver) => {
           var value: string =
               resolver.getDirectiveMetadata(ComponentWithoutModuleId).type.moduleUrl;
           var expectedEndValue =
               IS_DART ? 'base/dist/dart/angular2/test/compiler/runtime_metadata_spec.dart' : './';
           expect(value.endsWith(expectedEndValue)).toBe(true);
         }));
    });

    describe('getViewDirectivesMetadata', () => {

      it('should return the directive metadatas',
         inject([RuntimeMetadataResolver], (resolver: RuntimeMetadataResolver) => {
           expect(resolver.getViewDirectivesMetadata(ComponentWithEverything))
               .toEqual([resolver.getDirectiveMetadata(SomeDirective)]);
         }));

      describe("platform directives", () => {
        beforeEachProviders(() => [provide(PLATFORM_DIRECTIVES, {useValue: [ADirective]})]);

        it('should include platform directives when available',
           inject([RuntimeMetadataResolver], (resolver: RuntimeMetadataResolver) => {
             expect(resolver.getViewDirectivesMetadata(ComponentWithEverything))
                 .toEqual([
                   resolver.getDirectiveMetadata(ADirective),
                   resolver.getDirectiveMetadata(SomeDirective)
                 ]);
           }));
      });
    });

  });

function asyncRoutesWithoutChildrenWithParams() {
  var fixture;
  var tcb;
  var rtr;

  beforeEachProviders(() => TEST_ROUTER_PROVIDERS);

  beforeEach(inject([TestComponentBuilder, Router], (tcBuilder, router) => {
    tcb = tcBuilder;
    rtr = router;
  }));

  it('should navigate by URL', inject([AsyncTestCompleter], (async) => {
       compile(tcb)
           .then((rtc) => {fixture = rtc})
           .then((_) => rtr.config([new AsyncRoute(
                     {path: '/user/:name', loader: userCmpLoader, name: 'User'})]))
           .then((_) => rtr.navigateByUrl('/user/igor'))
           .then((_) => {
             fixture.detectChanges();
             expect(fixture.debugElement.nativeElement).toHaveText('hello igor');
             async.done();
           });
     }));

  it('should navigate by link DSL', inject([AsyncTestCompleter], (async) => {
       compile(tcb)
           .then((rtc) => {fixture = rtc})
           .then(
               (_) =>
                   rtr.config([new Route({path: '/user/:name', component: UserCmp, name: 'User'})]))
           .then((_) => rtr.navigate(['/User', {name: 'brian'}]))
           .then((_) => {
             fixture.detectChanges();
             expect(fixture.debugElement.nativeElement).toHaveText('hello brian');
             async.done();
           });
     }));

  it('should generate a link URL', inject([AsyncTestCompleter], (async) => {
       compile(tcb, `<a [routerLink]="['User', {name: 'naomi'}]">greet naomi</a> | <router-outlet></router-outlet>`)
           .then((rtc) => {fixture = rtc})
           .then((_) => rtr.config([new AsyncRoute(
                     {path: '/user/:name', loader: userCmpLoader, name: 'User'})]))
           .then((_) => {
             fixture.detectChanges();
             expect(getHref(getLinkElement(fixture))).toEqual('/user/naomi');
             async.done();
           });
     }));

  it('should navigate from a link click',
     inject([AsyncTestCompleter, Location], (async, location) => {
       compile(tcb, `<a [routerLink]="['User', {name: 'naomi'}]">greet naomi</a> | <router-outlet></router-outlet>`)
           .then((rtc) => {fixture = rtc})
           .then((_) => rtr.config([new AsyncRoute(
                     {path: '/user/:name', loader: userCmpLoader, name: 'User'})]))
           .then((_) => {
             fixture.detectChanges();
             expect(fixture.debugElement.nativeElement).toHaveText('greet naomi | ');

             rtr.subscribe((_) => {
               fixture.detectChanges();
               expect(fixture.debugElement.nativeElement).toHaveText('greet naomi | hello naomi');
               expect(location.urlChanges).toEqual(['/user/naomi']);
               async.done();
             });

             clickOnElement(getLinkElement(fixture));
           });
     }));

  it('should navigate between components with different parameters',
     inject([AsyncTestCompleter], (async) => {
       compile(tcb)
           .then((rtc) => {fixture = rtc})
           .then((_) => rtr.config([new AsyncRoute(
                     {path: '/user/:name', loader: userCmpLoader, name: 'User'})]))
           .then((_) => rtr.navigateByUrl('/user/brian'))
           .then((_) => {
             fixture.detectChanges();
             expect(fixture.debugElement.nativeElement).toHaveText('hello brian');
           })
           .then((_) => rtr.navigateByUrl('/user/igor'))
           .then((_) => {
             fixture.detectChanges();
             expect(fixture.debugElement.nativeElement).toHaveText('hello igor');
             async.done();
           });
     }));
}

function asyncRoutesWithAsyncChildrenWithoutParamsWithDefaultRoutes() {
  var rootTC;
  var tcb;
  var rtr;

  beforeEachProviders(() => TEST_ROUTER_PROVIDERS);

  beforeEach(inject([TestComponentBuilder, Router], (tcBuilder, router) => {
    tcb = tcBuilder;
    rtr = router;
  }));

  it('should navigate by URL', inject([AsyncTestCompleter], (async) => {
       compile(tcb, `outer { <router-outlet></router-outlet> }`)
           .then((rtc) => {rootTC = rtc})
           .then((_) => rtr.config([new AsyncRoute(
                     {path: '/a/...', loader: asyncDefaultParentCmpLoader, name: 'Parent'})]))
           .then((_) => rtr.navigateByUrl('/a'))
           .then((_) => {
             rootTC.detectChanges();
             expect(rootTC.debugElement.nativeElement).toHaveText('outer { inner { hello } }');
             async.done();
           });
     }));

  it('should navigate by link DSL', inject([AsyncTestCompleter], (async) => {
       compile(tcb, `outer { <router-outlet></router-outlet> }`)
           .then((rtc) => {rootTC = rtc})
           .then((_) => rtr.config([new AsyncRoute(
                     {path: '/a/...', loader: asyncDefaultParentCmpLoader, name: 'Parent'})]))
           .then((_) => rtr.navigate(['/Parent']))
           .then((_) => {
             rootTC.detectChanges();
             expect(rootTC.debugElement.nativeElement).toHaveText('outer { inner { hello } }');
             async.done();
           });
     }));

  it('should generate a link URL', inject([AsyncTestCompleter], (async) => {
       compile(tcb, `<a [routerLink]="['Parent']">nav to child</a> | outer { <router-outlet></router-outlet> }`)
           .then((rtc) => {rootTC = rtc})
           .then((_) => rtr.config([new AsyncRoute(
                     {path: '/a/...', loader: asyncDefaultParentCmpLoader, name: 'Parent'})]))
           .then((_) => {
             rootTC.detectChanges();
             expect(getHref(getLinkElement(rootTC))).toEqual('/a');
             async.done();
           });
     }));

  it('should navigate from a link click',
     inject([AsyncTestCompleter, Location], (async, location) => {
       compile(tcb, `<a [routerLink]="['Parent']">nav to child</a> | outer { <router-outlet></router-outlet> }`)
           .then((rtc) => {rootTC = rtc})
           .then((_) => rtr.config([new AsyncRoute(
                     {path: '/a/...', loader: asyncDefaultParentCmpLoader, name: 'Parent'})]))
           .then((_) => {
             rootTC.detectChanges();
             expect(rootTC.debugElement.nativeElement).toHaveText('nav to child | outer {  }');

             rtr.subscribe((_) => {
               rootTC.detectChanges();
               expect(rootTC.debugElement.nativeElement)
                   .toHaveText('nav to child | outer { inner { hello } }');
               expect(location.urlChanges).toEqual(['/a/b']);
               async.done();
             });

             clickOnElement(getLinkElement(rootTC));
           });
     }));
}

  describe('Router lifecycle hooks', () => {

    var tcb: TestComponentBuilder;
    var fixture: ComponentFixture;
    var rtr: Router;

    beforeEachProviders(() => TEST_ROUTER_PROVIDERS);

    beforeEach(inject([TestComponentBuilder, Router],
                      (tcBuilder: TestComponentBuilder, router: Router) => {
                        tcb = tcBuilder;
                        rtr = router;
                        cmpInstanceCount = 0;
                        log = [];
                        eventBus = new EventEmitter();
                      }));

    it('should call the routerOnActivate hook', inject([AsyncTestCompleter], (async) => {
         compile(tcb)
             .then((rtc) => {fixture = rtc})
             .then((_) => rtr.config([new Route({path: '/...', component: LifecycleCmp})]))
             .then((_) => rtr.navigateByUrl('/on-activate'))
             .then((_) => {
               fixture.detectChanges();
               expect(fixture.debugElement.nativeElement).toHaveText('activate cmp');
               expect(log).toEqual(['activate: null -> /on-activate']);
               async.done();
             });
       }));

    it('should wait for a parent component\'s routerOnActivate hook to resolve before calling its child\'s',
       inject([AsyncTestCompleter], (async) => {
         compile(tcb)
             .then((rtc) => {fixture = rtc})
             .then((_) => rtr.config([new Route({path: '/...', component: LifecycleCmp})]))
             .then((_) => {
               ObservableWrapper.subscribe<string>(eventBus, (ev) => {
                 if (ev.startsWith('parent activate')) {
                   completer.resolve(true);
                 }
               });
               rtr.navigateByUrl('/parent-activate/child-activate')
                   .then((_) => {
                     fixture.detectChanges();
                     expect(fixture.debugElement.nativeElement).toHaveText('parent {activate cmp}');
                     expect(log).toEqual([
                       'parent activate: null -> /parent-activate',
                       'activate: null -> /child-activate'
                     ]);
                     async.done();
                   });
             });
       }));

    it('should call the routerOnDeactivate hook', inject([AsyncTestCompleter], (async) => {
         compile(tcb)
             .then((rtc) => {fixture = rtc})
             .then((_) => rtr.config([new Route({path: '/...', component: LifecycleCmp})]))
             .then((_) => rtr.navigateByUrl('/on-deactivate'))
             .then((_) => rtr.navigateByUrl('/a'))
             .then((_) => {
               fixture.detectChanges();
               expect(fixture.debugElement.nativeElement).toHaveText('A');
               expect(log).toEqual(['deactivate: /on-deactivate -> /a']);
               async.done();
             });
       }));

    it('should wait for a child component\'s routerOnDeactivate hook to resolve before calling its parent\'s',
       inject([AsyncTestCompleter], (async) => {
         compile(tcb)
             .then((rtc) => {fixture = rtc})
             .then((_) => rtr.config([new Route({path: '/...', component: LifecycleCmp})]))
             .then((_) => rtr.navigateByUrl('/parent-deactivate/child-deactivate'))
             .then((_) => {
               ObservableWrapper.subscribe<string>(eventBus, (ev) => {
                 if (ev.startsWith('deactivate')) {
                   completer.resolve(true);
                   fixture.detectChanges();
                   expect(fixture.debugElement.nativeElement).toHaveText('parent {deactivate cmp}');
                 }
               });
               rtr.navigateByUrl('/a').then((_) => {
                 fixture.detectChanges();
                 expect(fixture.debugElement.nativeElement).toHaveText('A');
                 expect(log).toEqual([
                   'deactivate: /child-deactivate -> null',
                   'parent deactivate: /parent-deactivate -> /a'
                 ]);
                 async.done();
               });
             });
       }));

    it('should reuse a component when the routerCanReuse hook returns true',
       inject([AsyncTestCompleter], (async) => {
         compile(tcb)
             .then((rtc) => {fixture = rtc})
             .then((_) => rtr.config([new Route({path: '/...', component: LifecycleCmp})]))
             .then((_) => rtr.navigateByUrl('/on-reuse/1/a'))
//.........这里部分代码省略.........