'use strict'; const common = require('../common'); common.disableCrashOnUnhandledRejection(); const expectedValueWarning = ['Symbol()']; 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.', 'DEP0018']; const expectedPromiseWarning = ['Unhandled promise rejection. ' + 'This error originated either by throwing ' + 'inside of an async function without a catch ' + 'block, or by rejecting a promise which was ' + 'not handled with .catch(). (rejection id: 1)']; common.expectWarning({ DeprecationWarning: expectedDeprecationWarning, UnhandledPromiseRejectionWarning: [ expectedValueWarning, expectedPromiseWarning ], }); // ensure this doesn't crash Promise.reject(Symbol());