test/parallel/test-zlib-write-after-flush.js


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'use strict';
require('../common');
var assert = require('assert');
var zlib = require('zlib');

var gzip = zlib.createGzip();
var gunz = zlib.createUnzip();

gzip.pipe(gunz);

var output = '';
var input = 'A line of data\n';
gunz.setEncoding('utf8');
gunz.on('data', function(c) {
  output += c;
});

process.on('exit', function() {
  assert.equal(output, input);

  // Make sure that the flush flag was set back to normal
  assert.equal(gzip._flushFlag, zlib.Z_NO_FLUSH);

  console.log('ok');
});

// make sure that flush/write doesn't trigger an assert failure
gzip.flush(); write();
function write() {
  gzip.write(input);
  gzip.end();
  gunz.read(0);
}