1// Copyright Joyent, Inc. and other Node contributors.
2//
3// Permission is hereby granted, free of charge, to any person obtaining a
4// copy of this software and associated documentation files (the
5// "Software"), to deal in the Software without restriction, including
6// without limitation the rights to use, copy, modify, merge, publish,
7// distribute, sublicense, and/or sell copies of the Software, and to permit
8// persons to whom the Software is furnished to do so, subject to the
9// following conditions:
10//
11// The above copyright notice and this permission notice shall be included
12// in all copies or substantial portions of the Software.
13//
14// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
15// OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
16// MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN
17// NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM,
18// DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR
19// OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE
20// USE OR OTHER DEALINGS IN THE SOFTWARE.
21
22'use strict';
23// Test unzipping a file that was created with a non-node gzip lib,
24// piped in as fast as possible.
25
26const common = require('../common');
27const assert = require('assert');
28const zlib = require('zlib');
29const path = require('path');
30const fixtures = require('../common/fixtures');
31
32const tmpdir = require('../common/tmpdir');
33tmpdir.refresh();
34
35const gunzip = zlib.createGunzip();
36
37const fs = require('fs');
38
39const fixture = fixtures.path('person.jpg.gz');
40const unzippedFixture = fixtures.path('person.jpg');
41const outputFile = path.resolve(tmpdir.path, 'person.jpg');
42const expect = fs.readFileSync(unzippedFixture);
43const inp = fs.createReadStream(fixture);
44const out = fs.createWriteStream(outputFile);
45
46inp.pipe(gunzip).pipe(out);
47out.on('close', common.mustCall(() => {
48  const actual = fs.readFileSync(outputFile);
49  assert.strictEqual(actual.length, expect.length);
50  for (let i = 0, l = actual.length; i < l; i++) {
51    assert.strictEqual(actual[i], expect[i], `byte[${i}]`);
52  }
53}));
54