import { nodeOps } from '../src/nodeOps' describe('runtime-dom: node-ops', () => { test('the _value property should be cloned', () => { const el = nodeOps.createElement('input') as HTMLDivElement & { _value: any } el._value = 1 const cloned = nodeOps.cloneNode!(el) as HTMLDivElement & { _value: any } expect(cloned._value).toBe(1) }) test("the <select>'s multiple attr should be set in createElement", () => { const el = nodeOps.createElement('select', false, undefined, { multiple: '' }) as HTMLSelectElement const option1 = nodeOps.createElement('option') as HTMLOptionElement const option2 = nodeOps.createElement('option') as HTMLOptionElement option1.selected = true option2.selected = true nodeOps.insert(option1, el) nodeOps.insert(option2, el) expect(el.multiple).toBe(true) expect(option1.selected).toBe(true) expect(option2.selected).toBe(true) }) })