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Diffstat (limited to 'test/parallel/test-zlib-from-multiple-gzip-with-garbage.js')
-rw-r--r-- | test/parallel/test-zlib-from-multiple-gzip-with-garbage.js | 83 |
1 files changed, 83 insertions, 0 deletions
diff --git a/test/parallel/test-zlib-from-multiple-gzip-with-garbage.js b/test/parallel/test-zlib-from-multiple-gzip-with-garbage.js new file mode 100644 index 0000000000..f6a0185e01 --- /dev/null +++ b/test/parallel/test-zlib-from-multiple-gzip-with-garbage.js @@ -0,0 +1,83 @@ +// Copyright Joyent, Inc. and other Node contributors. +// +// Permission is hereby granted, free of charge, to any person obtaining a +// copy of this software and associated documentation files (the +// "Software"), to deal in the Software without restriction, including +// without limitation the rights to use, copy, modify, merge, publish, +// distribute, sublicense, and/or sell copies of the Software, and to permit +// persons to whom the Software is furnished to do so, subject to the +// following conditions: +// +// The above copyright notice and this permission notice shall be included +// in all copies or substantial portions of the Software. +// +// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS +// OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF +// MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN +// NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, +// DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR +// OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE +// USE OR OTHER DEALINGS IN THE SOFTWARE. + +// test unzipping a file that was created by concatenating multiple gzip +// streams. + +var common = require('../common'); +var assert = require('assert'); +var zlib = require('zlib'); + +var util = require('util'); + +var gzipBuffer = new Buffer(128); +var gzipOffset = 0; + +var stream1 = '123\n'; +var stream2 = '456\n'; +var stream3 = '789\n'; + +function gzipAppend(data) { + data.copy(gzipBuffer, gzipOffset); + gzipOffset += data.length; +} + +function writeGzipStream(text, cb) { + var gzip = zlib.createGzip(); + gzip.on('data', gzipAppend); + gzip.write(text, function() { + gzip.flush(function() { + gzip.end(function() { + cb(); + }); + }); + }); +} + +function writeGarbageStream(text, cb) { + gzipAppend(new Buffer(text)); + cb(); +} + +writeGzipStream(stream1, function() { + writeGzipStream(stream2, function() { + writeGarbageStream(stream3, function() { + var gunzip = zlib.createGunzip(); + var gunzippedData = new Buffer(2 * 1024); + var gunzippedOffset = 0; + gunzip.on('data', function (data) { + data.copy(gunzippedData, gunzippedOffset); + gunzippedOffset += data.length; + }); + gunzip.on('error', function() { + assert.equal(gunzippedData.toString('utf8', 0, gunzippedOffset), + stream1 + stream2); + }); + gunzip.on('end', function() { + assert.fail('end event not expected'); + }); + + gunzip.write(gzipBuffer.slice(0, gzipOffset), 'binary', function() { + gunzip.end(); + }); + }); + }); +}); |