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34 lines
966 B
34 lines
966 B
'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 = 24 * 1024,
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opts = { level: 9, strategy: zlib.Z_DEFAULT_STRATEGY },
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deflater = zlib.createDeflate(opts);
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var chunk1 = file.slice(0, chunkSize),
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chunk2 = file.slice(chunkSize),
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blkhdr = new Buffer([0x00, 0x48, 0x82, 0xb7, 0x7d]),
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expected = Buffer.concat([blkhdr, chunk2]),
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actual;
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deflater.write(chunk1, function() {
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deflater.params(0, zlib.Z_DEFAULT_STRATEGY, function() {
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while (deflater.read());
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deflater.end(chunk2, 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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actual = Buffer.concat(bufs);
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});
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});
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while (deflater.read());
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});
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process.once('exit', function() {
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assert.deepEqual(actual, expected);
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});
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