'use strict'; const common = require('../common'); const expectedDeprecationWarning = 'Unhandled promise rejections are ' + 'deprecated. In the future, promise ' + 'rejections that are not handled will ' + 'terminate the Node.js process with a ' + 'non-zero exit code.'; const expectedPromiseWarning = 'Unhandled promise rejection (rejection id: ' + '1): Symbol()'; common.expectWarning({ DeprecationWarning: expectedDeprecationWarning, UnhandledPromiseRejectionWarning: expectedPromiseWarning, }); // ensure this doesn't crash Promise.reject(Symbol());