mirror of https://github.com/lukechilds/node.git
You can not select more than 25 topics
Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
34 lines
989 B
34 lines
989 B
'use strict';
|
|
var common = require('../common');
|
|
var assert = require('assert');
|
|
var zlib = require('zlib');
|
|
var path = require('path');
|
|
var fs = require('fs');
|
|
|
|
const file = fs.readFileSync(path.resolve(common.fixturesDir, 'person.jpg'));
|
|
const chunkSize = 12 * 1024;
|
|
const opts = { level: 9, strategy: zlib.Z_DEFAULT_STRATEGY };
|
|
const deflater = zlib.createDeflate(opts);
|
|
|
|
const chunk1 = file.slice(0, chunkSize);
|
|
const chunk2 = file.slice(chunkSize);
|
|
const blkhdr = Buffer.from([0x00, 0x5a, 0x82, 0xa5, 0x7d]);
|
|
const expected = Buffer.concat([blkhdr, chunk2]);
|
|
let actual;
|
|
|
|
deflater.write(chunk1, function() {
|
|
deflater.params(0, zlib.Z_DEFAULT_STRATEGY, function() {
|
|
while (deflater.read());
|
|
deflater.end(chunk2, function() {
|
|
var bufs = [], buf;
|
|
while (buf = deflater.read())
|
|
bufs.push(buf);
|
|
actual = Buffer.concat(bufs);
|
|
});
|
|
});
|
|
while (deflater.read());
|
|
});
|
|
|
|
process.once('exit', function() {
|
|
assert.deepStrictEqual(actual, expected);
|
|
});
|
|
|