node/test/parallel/test-zlib-dictionary-fail.js

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

// Should raise an error, not trigger an assertion in src/node_zlib.cc
{
  const stream = zlib.createInflate();

  stream.on('error', common.mustCall(function(err) {
    assert(/Missing dictionary/.test(err.message));
  }));

  // String "test" encoded with dictionary "dict".
  stream.write(Buffer.from([0x78, 0xBB, 0x04, 0x09, 0x01, 0xA5]));
}

// Should raise an error, not trigger an assertion in src/node_zlib.cc
{
  const stream = zlib.createInflate({ dictionary: Buffer.from('fail') });

  stream.on('error', common.mustCall(function(err) {
    assert(/Bad dictionary/.test(err.message));
  }));

  // String "test" encoded with dictionary "dict".
  stream.write(Buffer.from([0x78, 0xBB, 0x04, 0x09, 0x01, 0xA5]));
}