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'use strict';
const common = require('../common');
// Ensures that child_process.fork can accept string
// variant of stdio parameter in options object and
// throws a TypeError when given an unexpected string
const assert = require('assert');
const fork = require('child_process').fork;
const childScript = `${common.fixturesDir}/child-process-spawn-node`;
const errorRegexp = /^TypeError: Incorrect value of stdio option:/;
const malFormedOpts = {stdio: '33'};
const payload = {hello: 'world'};
const stringOpts = {stdio: 'pipe'};
assert.throws(() => fork(childScript, malFormedOpts), errorRegexp);
const child = fork(childScript, stringOpts);
child.on('message', (message) => {
assert.deepStrictEqual(message, {foo: 'bar'});
});
child.send(payload);
child.on('exit', common.mustCall((code) => assert.strictEqual(code, 0)));