scrollIntoView函数调用需要angular jasmine测试用例

import { ComponentFixture, TestBed } from '@angular/core/testing';
import { MyComponent } from './my.component';

describe('MyComponent', () => {
  let component: MyComponent;
  let fixture: ComponentFixture<MyComponent>;

  beforeEach(async () => {
    await TestBed.configureTestingModule({
      declarations: [ MyComponent ]
    })
    .compileComponents();
  });

  beforeEach(() => {
    fixture = TestBed.createComponent(MyComponent);
    component = fixture.componentInstance;
    fixture.detectChanges();
  });

  it('should scroll element into view', () => {
    const element = document.createElement('div');
    spyOn(element, 'scrollIntoView');

    component.scrollElementIntoView(element);

    expect(element.scrollIntoView).toHaveBeenCalled();
  });
});