| // 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 compressing and uncompressing a string with zlib |
| |
| var common = require('../common.js'); |
| var assert = require('assert'); |
| var zlib = require('zlib'); |
| |
| var inputString = 'ΩΩLorem ipsum dolor sit amet, consectetur adipiscing el' + |
| 'it. Morbi faucibus, purus at gravida dictum, libero arcu convallis la' + |
| 'cus, in commodo libero metus eu nisi. Nullam commodo, neque nec porta' + |
| ' placerat, nisi est fermentum augue, vitae gravida tellus sapien sit ' + |
| 'amet tellus. Aenean non diam orci. Proin quis elit turpis. Suspendiss' + |
| 'e non diam ipsum. Suspendisse nec ullamcorper odio. Vestibulum arcu m' + |
| 'i, sodales non suscipit id, ultrices ut massa. Sed ac sem sit amet ar' + |
| 'cu malesuada fermentum. Nunc sed. '; |
| var expectedBase64Deflate = 'eJxdUUtOQzEMvMoc4OndgT0gJCT2buJWlpI4jePeqZfpm' + |
| 'XAKLRKbLOzx/HK73q6vOrhCunlF1qIDJhNUeW5I2ozT5OkDlKWLJWkncJG5403HQXAkT3' + |
| 'Jw29B9uIEmToMukglZ0vS6ociBh4JG8sV4oVLEUCitK2kxq1WzPnChHDzsaGKy491Lofo' + |
| 'AbWh8do43oeuYhB5EPCjcLjzYJo48KrfQBvnJecNFJvHT1+RSQsGoC7dn2t/xjhduTA1N' + |
| 'WyQIZR0pbHwMDatnD+crPqKSqGPHp1vnlsWM/07ubf7bheF7kqSj84Bm0R1fYTfaK8vqq' + |
| 'qfKBtNMhe3OZh6N95CTvMX5HJJi4xOVzCgUOIMSLH7wmeOHaFE4RdpnGavKtrB5xzfO/Ll9'; |
| var expectedBase64Gzip = 'H4sIAAAAAAAAA11RS05DMQy8yhzg6d2BPSAkJPZu4laWkjiN' + |
| '496pl+mZcAotEpss7PH8crverq86uEK6eUXWogMmE1R5bkjajNPk6QOUpYslaSdwkbnjT' + |
| 'cdBcCRPcnDb0H24gSZOgy6SCVnS9LqhyIGHgkbyxXihUsRQKK0raTGrVbM+cKEcPOxoYr' + |
| 'Lj3Uuh+gBtaHx2jjeh65iEHkQ8KNwuPNgmjjwqt9AG+cl5w0Um8dPX5FJCwagLt2fa3/G' + |
| 'OF25MDU1bJAhlHSlsfAwNq2cP5ys+opKoY8enW+eWxYz/Tu5t/tuF4XuSpKPzgGbRHV9h' + |
| 'N9ory+qqp8oG00yF7c5mHo33kJO8xfkckmLjE5XMKBQ4gxIsfvCZ44doUThF2mcZq8q2s' + |
| 'HnHNzRtagj5AQAA'; |
| |
| zlib.deflate(inputString, function(err, buffer) { |
| assert.equal(buffer.toString('base64'), expectedBase64Deflate, |
| 'deflate encoded string should match'); |
| }); |
| |
| zlib.gzip(inputString, function(err, buffer) { |
| // Can't actually guarantee that we'll get exactly the same |
| // deflated bytes when we compress a string, since the header |
| // depends on stuff other than the input string itself. |
| // However, decrypting it should definitely yield the same |
| // result that we're expecting, and this should match what we get |
| // from inflating the known valid deflate data. |
| zlib.gunzip(buffer, function(err, gunzipped) { |
| assert.equal(gunzipped.toString(), inputString, |
| 'Should get original string after gzip/gunzip'); |
| }); |
| }); |
| |
| var buffer = new Buffer(expectedBase64Deflate, 'base64'); |
| zlib.unzip(buffer, function(err, buffer) { |
| assert.equal(buffer.toString(), inputString, |
| 'decoded inflated string should match'); |
| }); |
| |
| buffer = new Buffer(expectedBase64Gzip, 'base64'); |
| zlib.unzip(buffer, function(err, buffer) { |
| assert.equal(buffer.toString(), inputString, |
| 'decoded gunzipped string should match'); |
| }); |