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var common = require('../common');
var assert = require('assert');
var zlib = require('zlib');
var path = require('path');
var fs = require('fs');
var file = fs.readFileSync(path.resolve(common.fixturesDir, 'person.jpg')),
chunkSize = 24 * 1024,
opts = { level: 9, strategy: zlib.Z_DEFAULT_STRATEGY },
deflater = zlib.createDeflate(opts);
var chunk1 = file.slice(0, chunkSize),
chunk2 = file.slice(chunkSize),
blkhdr = new Buffer([0x00, 0x48, 0x82, 0xb7, 0x7d]),
expected = Buffer.concat([blkhdr, chunk2]),
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.deepEqual(actual, expected);
});