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//
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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
// in all copies or substantial portions of the Software.
//
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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 util = require('util');
const repl = require('repl');

// This test adds global variables
common.globalCheck = false;

const putIn = new common.ArrayStream();
repl.start('', putIn, null, true);

test1();

function test1() {
  let gotWrite = false;
  putIn.write = function(data) {
    gotWrite = true;
    if (data.length) {

      // inspect output matches repl output
      assert.strictEqual(data,
                         `${util.inspect(require('fs'), null, 2, false)}\n`);
      // globally added lib matches required lib
      assert.strictEqual(global.fs, require('fs'));
      test2();
    }
  };
  assert(!gotWrite);
  putIn.run(['fs']);
  assert(gotWrite);
}

function test2() {
  let gotWrite = false;
  putIn.write = function(data) {
    gotWrite = true;
    if (data.length) {
      // repl response error message
      assert.strictEqual(data, '{}\n');
      // original value wasn't overwritten
      assert.strictEqual(val, global.url);
    }
  };
  const val = {};
  global.url = val;
  assert(!gotWrite);
  putIn.run(['url']);
  assert(gotWrite);
}