xref: /third_party/node/test/parallel/test-child-process-fork-exec-argv.js

// Copyright Joyent, Inc. and other Node contributors.
//
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// copy of this software and associated documentation files (the
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// without limitation the rights to use, copy, modify, merge, publish,
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// persons to whom the Software is furnished to do so, subject to the
// following conditions:
//
// The above copyright notice and this permission notice shall be included
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// OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
// MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN
// NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM,
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'use strict';
const common = require('../common');
const assert = require('assert');
const child_process = require('child_process');
const spawn = child_process.spawn;
const fork = child_process.fork;

if (process.argv[2] === 'fork') {
  process.stdout.write(JSON.stringify(process.execArgv), function() {
    process.exit();
  });
} else if (process.argv[2] === 'child') {
  fork(__filename, ['fork']);
} else {
  const execArgv = ['--stack-size=256'];
  const args = [__filename, 'child', 'arg0'];

  const child = spawn(process.execPath, execArgv.concat(args));
  let out = '';

  child.stdout.on('data', function(chunk) {
    out += chunk;
  });

  child.on('exit', common.mustCall(function() {
    assert.deepStrictEqual(JSON.parse(out), execArgv);
  }));
}