1'use strict'; 2const common = require('../common'); 3const assert = require('assert'); 4const child_process = require('child_process'); 5const { once } = require('events'); 6 7if (process.argv[2] !== 'child') { 8 for (const value of [null, 42, Infinity, 'foo']) { 9 assert.throws(() => { 10 child_process.spawn(process.execPath, [], { serialization: value }); 11 }, { 12 code: 'ERR_INVALID_OPT_VALUE', 13 message: `The value "${value}" is invalid ` + 14 'for option "options.serialization"' 15 }); 16 } 17 18 (async () => { 19 const cp = child_process.spawn(process.execPath, [__filename, 'child'], 20 { 21 stdio: ['ipc', 'inherit', 'inherit'], 22 serialization: 'advanced' 23 }); 24 25 const circular = {}; 26 circular.circular = circular; 27 for await (const message of [ 28 { uint8: new Uint8Array(4) }, 29 { float64: new Float64Array([ Math.PI ]) }, 30 { buffer: Buffer.from('Hello!') }, 31 { map: new Map([{ a: 1 }, { b: 2 }]) }, 32 { bigInt: 1337n }, 33 circular, 34 new Error('Something went wrong'), 35 new RangeError('Something range-y went wrong'), 36 ]) { 37 cp.send(message); 38 const [ received ] = await once(cp, 'message'); 39 assert.deepStrictEqual(received, message); 40 } 41 42 cp.disconnect(); 43 })().then(common.mustCall()); 44} else { 45 process.on('message', (msg) => process.send(msg)); 46} 47