1// Flags: --unhandled-rejections=warn 2'use strict'; 3 4const common = require('../common'); 5 6common.disableCrashOnUnhandledRejection(); 7 8// Verify that ignoring unhandled rejection works fine and that no warning is 9// logged. 10 11new Promise(() => { 12 throw new Error('One'); 13}); 14 15Promise.reject('test'); 16 17// Unhandled rejections trigger two warning per rejection. One is the rejection 18// reason and the other is a note where this warning is coming from. 19process.on('warning', common.mustCall(4)); 20process.on('uncaughtException', common.mustNotCall('uncaughtException')); 21process.on('rejectionHandled', common.mustCall(2)); 22 23process.on('unhandledRejection', (reason, promise) => { 24 // Handle promises but still warn! 25 promise.catch(() => {}); 26}); 27 28setTimeout(common.mustCall(), 2); 29