core/packages/runtime-dom/__tests__/createApp.spec.ts

import { createApp, h } from '../src'

describe('createApp for dom', () => {
  // #2926
  test('mount to SVG container', () => {
    const root = document.createElementNS('http://www.w3.org/2000/svg', 'svg')
    createApp({
      render() {
        return h('g')
      }
    }).mount(root)
    expect(root.children.length).toBe(1)
    expect(root.children[0] instanceof SVGElement).toBe(true)
  })
})