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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() to verify
// the flag is being passed through correctly. spawnSync() is kind enough to
// give all of the parsed inputs back in the result.
const originalSpawn = internalCp.ChildProcess.prototype.spawn;
internalCp.ChildProcess.prototype.spawn = common.mustCall(function(options) {
assert.strictEqual(options.windowsHide, true);
return originalSpawn.apply(this, arguments);
}, 2);
{
const child = cp.spawnSync(cmd, args, options);
assert.strictEqual(child.status, 0);
assert.strictEqual(child.signal, null);
assert.strictEqual(child.options.windowsHide, true);
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.mustCall((err, stdout, stderr) => {
assert.ifError(err);
assert.strictEqual(stdout.trim(), '42');
assert.strictEqual(stderr.trim(), '');
});
cp.execFile(cmd, args, options, callback);
}
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