Function renderWithBlock

packages/runtime-core/__tests__/rendererOptimizedMode.spec.ts:44–49

(renderChildren: () => VNode[])

  })

  const renderWithBlock = (renderChildren: () => VNode[]) => {
    render(
      (openBlock(), (block = createBlock('div', null, renderChildren()))),
      root,
    )
  }

  test('basic use of block', () => {
    render((openBlock(), (block = createBlock('p', null, 'foo'))), root)