diff options
Diffstat (limited to 'node_modules/browserify-zlib/test/test-zlib.js')
-rw-r--r-- | node_modules/browserify-zlib/test/test-zlib.js | 206 |
1 files changed, 0 insertions, 206 deletions
diff --git a/node_modules/browserify-zlib/test/test-zlib.js b/node_modules/browserify-zlib/test/test-zlib.js deleted file mode 100644 index 64c02c5dc..000000000 --- a/node_modules/browserify-zlib/test/test-zlib.js +++ /dev/null @@ -1,206 +0,0 @@ -// 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. - -var assert = require('assert'); -var zlib = require('../'); -var path = require('path'); - -var zlibPairs = - [[zlib.Deflate, zlib.Inflate], - [zlib.Gzip, zlib.Gunzip], - [zlib.Deflate, zlib.Unzip], - [zlib.Gzip, zlib.Unzip], - [zlib.DeflateRaw, zlib.InflateRaw]]; - -// how fast to trickle through the slowstream -var trickle = [128, 1024, 1024 * 1024]; - -// tunable options for zlib classes. - -// several different chunk sizes -var chunkSize = [128, 1024, 1024 * 16, 1024 * 1024]; - -// this is every possible value. -var level = [-1, 0, 1, 2, 3, 4, 5, 6, 7, 8, 9]; -var windowBits = [8, 9, 10, 11, 12, 13, 14, 15]; -var memLevel = [1, 2, 3, 4, 5, 6, 7, 8, 9]; -var strategy = [0, 1, 2, 3, 4]; - -// it's nice in theory to test every combination, but it -// takes WAY too long. Maybe a pummel test could do this? -if (!process.env.PUMMEL) { - trickle = [1024]; - chunkSize = [1024 * 16]; - level = [6]; - memLevel = [8]; - windowBits = [15]; - strategy = [0]; -} - -var fs = require('fs'); - -if (process.env.FAST) { - zlibPairs = [[zlib.Gzip, zlib.Unzip]]; -} - -var tests = { - 'person.jpg': fs.readFileSync(__dirname + '/fixtures/person.jpg'), - 'elipses.txt': fs.readFileSync(__dirname + '/fixtures/elipses.txt'), - 'empty.txt': fs.readFileSync(__dirname + '/fixtures/empty.txt') -}; - -var util = require('util'); -var stream = require('stream'); - - -// stream that saves everything -function BufferStream() { - this.chunks = []; - this.length = 0; - this.writable = true; - this.readable = true; -} - -util.inherits(BufferStream, stream.Stream); - -BufferStream.prototype.write = function(c) { - this.chunks.push(c); - this.length += c.length; - return true; -}; - -BufferStream.prototype.end = function(c) { - if (c) this.write(c); - // flatten - var buf = new Buffer(this.length); - var i = 0; - this.chunks.forEach(function(c) { - c.copy(buf, i); - i += c.length; - }); - this.emit('data', buf); - this.emit('end'); - return true; -}; - - -function SlowStream(trickle) { - this.trickle = trickle; - this.offset = 0; - this.readable = this.writable = true; -} - -util.inherits(SlowStream, stream.Stream); - -SlowStream.prototype.write = function() { - throw new Error('not implemented, just call ss.end(chunk)'); -}; - -SlowStream.prototype.pause = function() { - this.paused = true; - this.emit('pause'); -}; - -SlowStream.prototype.resume = function() { - var self = this; - if (self.ended) return; - self.emit('resume'); - if (!self.chunk) return; - self.paused = false; - emit(); - function emit() { - if (self.paused) return; - if (self.offset >= self.length) { - self.ended = true; - return self.emit('end'); - } - var end = Math.min(self.offset + self.trickle, self.length); - var c = self.chunk.slice(self.offset, end); - self.offset += c.length; - self.emit('data', c); - process.nextTick(emit); - } -}; - -SlowStream.prototype.end = function(chunk) { - // walk over the chunk in blocks. - var self = this; - self.chunk = chunk; - self.length = chunk.length; - self.resume(); - return self.ended; -}; - - - -// for each of the files, make sure that compressing and -// decompressing results in the same data, for every combination -// of the options set above. -var tape = require('tape'); - -Object.keys(tests).forEach(function(file) { - var test = tests[file]; - chunkSize.forEach(function(chunkSize) { - trickle.forEach(function(trickle) { - windowBits.forEach(function(windowBits) { - level.forEach(function(level) { - memLevel.forEach(function(memLevel) { - strategy.forEach(function(strategy) { - zlibPairs.forEach(function(pair) { - var Def = pair[0]; - var Inf = pair[1]; - var opts = { - level: level, - windowBits: windowBits, - memLevel: memLevel, - strategy: strategy - }; - - var msg = file + ' ' + - chunkSize + ' ' + - JSON.stringify(opts) + ' ' + - Def.name + ' -> ' + Inf.name; - - tape('zlib ' + msg, function(t) { - t.plan(1); - - var def = new Def(opts); - var inf = new Inf(opts); - var ss = new SlowStream(trickle); - var buf = new BufferStream(); - - // verify that the same exact buffer comes out the other end. - buf.on('data', function(c) { - t.deepEqual(c, test); - }); - - // the magic happens here. - ss.pipe(def).pipe(inf).pipe(buf); - ss.end(test); - }); - }); - }); - }); - }); - }); - }); - }); -}); |