1import { mustNotCall, mustCall } from '../common/index.mjs'; 2 3Object.defineProperties(Object.prototype, { 4 then: { 5 set: mustNotCall('set %Object.prototype%.then'), 6 get: mustNotCall('get %Object.prototype%.then'), 7 }, 8}); 9 10import('data:text/javascript,').then(mustCall()); 11