csrc/node-v0.10.24/test/simple/test-zlib-zero-byte.js

// Copyright Joyent, Inc. and other Node contributors.
//
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// 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,
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// OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE
// USE OR OTHER DEALINGS IN THE SOFTWARE.

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

var zlib = require('zlib');
var gz = zlib.Gzip()
var emptyBuffer = new Buffer(0);
var received = 0;
gz.on('data', function(c) {
  received += c.length;
});
var ended = false;
gz.on('end', function() {
  ended = true;
});
var finished = false;
gz.on('finish', function() {
  finished = true;
});
gz.write(emptyBuffer);
gz.end();

process.on('exit', function() {
  assert.equal(received, 20);
  assert(ended);
  assert(finished);
  console.log('ok');
});