node/test/simple/test-tty-wrap.js

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

var TTY = process.binding('tty_wrap').TTY;
var isTTY = process.binding('tty_wrap').isTTY;

if (isTTY(1) == false) {
  console.error('fd 1 is not a tty. skipping test.');
  process.exit(0);
}

var handle = new TTY(1);
var callbacks = 0;

var req1 = handle.writeBuffer(Buffer('hello world\n'));
req1.oncomplete = function() {
  callbacks++;
};

var req2 = handle.writeBuffer(Buffer('hello world\n'));
req2.oncomplete = function() {
  callbacks++;
};

process.on('exit', function() {
  assert.equal(2, callbacks);
});