You cannot select more than 25 topics
Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
76 lines
2.0 KiB
JavaScript
76 lines
2.0 KiB
JavaScript
var inflate = require('../');
|
|
var zlib = require('zlib');
|
|
var fs = require('fs');
|
|
var assert = require('assert');
|
|
var uncompressed = fs.readFileSync(__dirname + '/lorem.txt');
|
|
|
|
describe('tiny-inflate', function() {
|
|
var compressed, noCompression, fixed;
|
|
|
|
function deflate(buf, options, fn) {
|
|
var chunks = [];
|
|
zlib.createDeflateRaw(options)
|
|
.on('data', function(chunk) {
|
|
chunks.push(chunk);
|
|
})
|
|
.on('error', fn)
|
|
.on('end', function() {
|
|
fn(null, Buffer.concat(chunks));
|
|
})
|
|
.end(buf);
|
|
}
|
|
|
|
before(function(done) {
|
|
zlib.deflateRaw(uncompressed, function(err, data) {
|
|
compressed = data;
|
|
done();
|
|
});
|
|
});
|
|
|
|
before(function(done) {
|
|
deflate(uncompressed, { level: zlib.Z_NO_COMPRESSION }, function(err, data) {
|
|
noCompression = data;
|
|
done();
|
|
});
|
|
});
|
|
|
|
before(function(done) {
|
|
deflate(uncompressed, { strategy: zlib.Z_FIXED }, function(err, data) {
|
|
fixed = data;
|
|
done();
|
|
});
|
|
});
|
|
|
|
it('should inflate some data', function() {
|
|
var out = new Buffer(uncompressed.length);
|
|
inflate(compressed, out);
|
|
assert.deepEqual(out, uncompressed);
|
|
});
|
|
|
|
it('should slice output buffer', function() {
|
|
var out = new Buffer(uncompressed.length + 1024);
|
|
var res = inflate(compressed, out);
|
|
assert.deepEqual(res, uncompressed);
|
|
assert.equal(res.length, uncompressed.length);
|
|
});
|
|
|
|
it('should handle uncompressed blocks', function() {
|
|
var out = new Buffer(uncompressed.length);
|
|
inflate(noCompression, out);
|
|
assert.deepEqual(out, uncompressed);
|
|
});
|
|
|
|
it('should handle fixed huffman blocks', function() {
|
|
var out = new Buffer(uncompressed.length);
|
|
inflate(fixed, out);
|
|
assert.deepEqual(out, uncompressed);
|
|
});
|
|
|
|
it('should handle typed arrays', function() {
|
|
var input = new Uint8Array(compressed);
|
|
var out = new Uint8Array(uncompressed.length);
|
|
inflate(input, out);
|
|
assert.deepEqual(out, new Uint8Array(uncompressed));
|
|
});
|
|
});
|