'use strict';

const common = require('../common');

const assert = require('assert');

// Verify that customFds is used if stdio is not provided.

{

const msg = 'child_process: options.customFds option is deprecated. ' +

'Use options.stdio instead.';

common.expectWarning('DeprecationWarning', msg);

const customFds = [-1, process.stdout.fd, process.stderr.fd];

const child = common.spawnSyncPwd({ customFds });

assert.deepStrictEqual(child.options.customFds, customFds);

assert.deepStrictEqual(child.options.stdio, [

{ type: 'pipe', readable: true, writable: false },

{ type: 'fd', fd: process.stdout.fd },

{ type: 'fd', fd: process.stderr.fd }

]);

}

// Verify that customFds is ignored when stdio is present.

{

const customFds = [0, 1, 2];

const child = common.spawnSyncPwd({ customFds, stdio: 'pipe' });

assert.deepStrictEqual(child.options.customFds, customFds);

assert.deepStrictEqual(child.options.stdio, [

{ type: 'pipe', readable: true, writable: false },

{ type: 'pipe', readable: false, writable: true },

{ type: 'pipe', readable: false, writable: true }

]);

}