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'use strict'; const common = require('../common'); const assert = require('assert'); const { ChildProcess } = require('child_process'); assert.strictEqual(typeof ChildProcess, 'function'); { // Verify that invalid options to spawn() throw. const child = new ChildProcess(); [undefined, null, 'foo', 0, 1, NaN, true, false].forEach((options) => { assert.throws(() => { child.spawn(options); }, { code: 'ERR_INVALID_ARG_TYPE', name: 'TypeError', message: 'The "options" argument must be of type object.' + `${common.invalidArgTypeHelper(options)}` }); }); } { // Verify that spawn throws if file is not a string. const child = new ChildProcess(); [undefined, null, 0, 1, NaN, true, false, {}].forEach((file) => { assert.throws(() => { child.spawn({ file }); }, { code: 'ERR_INVALID_ARG_TYPE', name: 'TypeError', message: 'The "options.file" property must be of type string.' + `${common.invalidArgTypeHelper(file)}` }); }); } { // Verify that spawn throws if envPairs is not an array or undefined. const child = new ChildProcess(); [null, 0, 1, NaN, true, false, {}, 'foo'].forEach((envPairs) => { assert.throws(() => { child.spawn({ envPairs, stdio: ['ignore', 'ignore', 'ignore', 'ipc'] }); }, { code: 'ERR_INVALID_ARG_TYPE', name: 'TypeError', message: 'The "options.envPairs" property must be an instance of Array.' + common.invalidArgTypeHelper(envPairs) }); }); } { // Verify that spawn throws if args is not an array or undefined. const child = new ChildProcess(); [null, 0, 1, NaN, true, false, {}, 'foo'].forEach((args) => { assert.throws(() => { child.spawn({ file: 'foo', args }); }, { code: 'ERR_INVALID_ARG_TYPE', name: 'TypeError', message: 'The "options.args" property must be an instance of Array.' + common.invalidArgTypeHelper(args) }); }); } // Test that we can call spawn const child = new ChildProcess(); child.spawn({ file: process.execPath, args: ['--interactive'], cwd: process.cwd(), stdio: 'pipe' }); assert.strictEqual(Object.hasOwn(child, 'pid'), true); assert(Number.isInteger(child.pid)); // Try killing with invalid signal assert.throws( () => { child.kill('foo'); }, { code: 'ERR_UNKNOWN_SIGNAL', name: 'TypeError' } ); assert.strictEqual(child.kill(), true);