// Copyright Joyent, Inc. and other Node contributors.
//
// Permission is hereby granted, free of charge, to any person obtaining a
// copy of this software and associated documentation files (the
// "Software"), to deal in the Software without restriction, including
// without limitation the rights to use, copy, modify, merge, publish,
// distribute, sublicense, and/or sell copies of the Software, and to permit
// 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
// in all copies or substantial portions of the Software.
//
// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
// 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,
// DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR
// OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE
// USE OR OTHER DEALINGS IN THE SOFTWARE.

'use strict';

require('../common');
const assert = require('assert');

const { spawn } = require('child_process');
const fixtures = require('../common/fixtures');

const sub = fixtures.path('echo.js');

let gotHelloWorld = false;
let gotEcho = false;

const child = spawn(process.argv[0], [sub]);

child.stderr.on('data', function(data) {
  console.log(`parent stderr: ${data}`);
});

child.stdout.setEncoding('utf8');

child.stdout.on('data', function(data) {
  console.log(`child said: ${JSON.stringify(data)}`);
  if (!gotHelloWorld) {
    console.error('testing for hello world');
    assert.strictEqual(data, 'hello world\r\n');
    gotHelloWorld = true;
    console.error('writing echo me');
    child.stdin.write('echo me\r\n');
  } else {
    console.error('testing for echo me');
    assert.strictEqual(data, 'echo me\r\n');
    gotEcho = true;
    child.stdin.end();
  }
});

child.stdout.on('end', function(data) {
  console.log('child end');
});


process.on('exit', function() {
  assert.ok(gotHelloWorld);
  assert.ok(gotEcho);
});