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36 lines
1.0 KiB
36 lines
1.0 KiB
'use strict';
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var common = require('../common');
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var assert = require('assert');
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var zlib = require('zlib');
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var path = require('path');
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var fs = require('fs');
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var file = fs.readFileSync(path.resolve(common.fixturesDir, 'person.jpg')),
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chunkSize = 16,
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opts = { level: 0 },
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deflater = zlib.createDeflate(opts);
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var chunk = file.slice(0, chunkSize),
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expectedNone = new Buffer([0x78, 0x01]),
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blkhdr = new Buffer([0x00, 0x10, 0x00, 0xef, 0xff]),
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adler32 = new Buffer([0x00, 0x00, 0x00, 0xff, 0xff]),
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expectedFull = Buffer.concat([blkhdr, chunk, adler32]),
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actualNone,
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actualFull;
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deflater.write(chunk, function() {
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deflater.flush(zlib.Z_NO_FLUSH, function() {
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actualNone = deflater.read();
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deflater.flush(function() {
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var bufs = [], buf;
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while (buf = deflater.read())
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bufs.push(buf);
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actualFull = Buffer.concat(bufs);
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});
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});
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});
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process.once('exit', function() {
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assert.deepEqual(actualNone, expectedNone);
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assert.deepEqual(actualFull, expectedFull);
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});
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