import { expect, test } from 'vitest'; import { errorNode } from '../src'; test('it returns the right node kind', () => { const node = errorNode({ name: 'foo', code: 42, message: 'error message' }); expect(node.kind).toBe('errorNode'); }); test('it returns a frozen object', () => { const node = errorNode({ name: 'foo', code: 42, message: 'error message' }); expect(Object.isFrozen(node)).toBe(true); });