Function createComponent

src/material/chips/chip-listbox.spec.ts:917–942

(
    component: Type<T>,
    direction: Direction = 'ltr',
    beforeInitialChangeDetection?: (fixture: ComponentFixture<T>) => void,
  )

  });

  function createComponent<T>(
    component: Type<T>,
    direction: Direction = 'ltr',
    beforeInitialChangeDetection?: (fixture: ComponentFixture<T>) => void,
  ): ComponentFixture<T> {
    directionality = signal(direction);

    TestBed.configureTestingModule({
      providers: [provideFakeDirectionality(directionality)],
    });

    fixture = TestBed.createComponent<T>(component);
    beforeInitialChangeDetection?.(fixture);
    fixture.detectChanges();

    chipListboxDebugElement = fixture.debugElement.query(By.directive(MatChipListbox))!;
    chipListboxNativeElement = chipListboxDebugElement.nativeElement;
    chipListboxInstance = chipListboxDebugElement.componentInstance;
    testComponent = fixture.debugElement.componentInstance;
    chips = chipListboxInstance._chips;
    primaryActions = chipListboxNativeElement.querySelectorAll<HTMLElement>(
      '.mdc-evolution-chip__action--primary',
    );

    return fixture;
  }
});

@Component({