text: 'use strict';
  require('../common');
  
  const assert = require('assert');
  
  const spawnSync = require('child_process').spawnSync;
  
  const msgOut = 'this is stdout';
  const msgErr = 'this is stderr';
  
  // this is actually not os.EOL?
  const msgOutBuf = new Buffer(msgOut + '\n');
  const msgErrBuf = new Buffer(msgErr + '\n');
  
  const args = [
    '-e',
    `console.log("${msgOut}"); console.error("${msgErr}");`
  ];
  
  var ret;
  
  
  function checkSpawnSyncRet(ret) {
    assert.strictEqual(ret.status, 0);
    assert.strictEqual(ret.error, undefined);
  };
  
  function verifyBufOutput(ret) {
    checkSpawnSyncRet(ret);
    assert.deepEqual(ret.stdout, msgOutBuf);
    assert.deepEqual(ret.stderr, msgErrBuf);
  }
  
  if (process.argv.indexOf('spawnchild') !== -1) {
    switch (process.argv[3]) {
      case '1':
        ret = spawnSync(process.execPath, args, { stdio: 'inherit' });
        checkSpawnSyncRet(ret);
        break;
      case '2':
        ret = spawnSync(process.execPath, args, {
          stdio: ['inherit', 'inherit', 'inherit']
        });
        checkSpawnSyncRet(ret);
        break;
    }
    process.exit(0);
    return;
  }
  
  verifyBufOutput(spawnSync(process.execPath, [__filename, 'spawnchild', 1]));
  verifyBufOutput(spawnSync(process.execPath, [__filename, 'spawnchild', 2]));
  
  var options = {
    input: 1234
  };
  
  assert.throws(function() {
    spawnSync('cat', [], options);
  }, /TypeError:.*should be Buffer or string not number/);
  
  
  options = {
    input: 'hello world'
  };
  
  ret = spawnSync('cat', [], options);
  
  checkSpawnSyncRet(ret);
  assert.strictEqual(ret.stdout.toString('utf8'), options.input);
  assert.strictEqual(ret.stderr.toString('utf8'), '');
  
  options = {
    input: new Buffer('hello world')
  };
  
  ret = spawnSync('cat', [], options);
  
  checkSpawnSyncRet(ret);
  assert.deepEqual(ret.stdout, options.input);
  assert.deepEqual(ret.stderr, new Buffer(''));
  
  verifyBufOutput(spawnSync(process.execPath, args));
  
  ret = spawnSync(process.execPath, args, { encoding: 'utf8' });
  
  checkSpawnSyncRet(ret);
  assert.strictEqual(ret.stdout, msgOut + '\n');
  assert.strictEqual(ret.stderr, msgErr + '\n');
  