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// Flags: --expose-internals 'use strict'; const common = require('../common'); const assert = require('assert'); const cp = require('child_process'); const internalCp = require('internal/child_process'); const cmd = process.execPath; const args = ['-p', '42']; const options = { windowsHide: true }; // Since windowsHide isn't really observable, monkey patch spawn() and // spawnSync() to verify that the flag is being passed through correctly. const originalSpawn = internalCp.ChildProcess.prototype.spawn; const originalSpawnSync = internalCp.spawnSync; internalCp.ChildProcess.prototype.spawn = common.mustCall(function(options) { assert.strictEqual(options.windowsHide, true); return originalSpawn.apply(this, arguments); }, 2); internalCp.spawnSync = common.mustCall(function(options) { assert.strictEqual(options.windowsHide, true); return originalSpawnSync.apply(this, arguments); }); { const child = cp.spawnSync(cmd, args, options); assert.strictEqual(child.status, 0); assert.strictEqual(child.signal, null); assert.strictEqual(child.stdout.toString().trim(), '42'); assert.strictEqual(child.stderr.toString().trim(), ''); } { const child = cp.spawn(cmd, args, options); child.on('exit', common.mustCall((code, signal) => { assert.strictEqual(code, 0); assert.strictEqual(signal, null); })); } { const callback = common.mustSucceed((stdout, stderr) => { assert.strictEqual(stdout.trim(), '42'); assert.strictEqual(stderr.trim(), ''); }); cp.execFile(cmd, args, options, callback); }