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