kopia lustrzana https://github.com/viljoviitanen/pako
86 wiersze
2.0 KiB
JavaScript
86 wiersze
2.0 KiB
JavaScript
/*global describe, it*/
|
|
|
|
|
|
'use strict';
|
|
|
|
|
|
var fs = require('fs');
|
|
var path = require('path');
|
|
var assert = require('assert');
|
|
|
|
var pako_utils = require('../lib/utils/common');
|
|
var pako = require('../index');
|
|
var cmp = require('./helpers').cmpBuf;
|
|
|
|
|
|
function a2s(array) {
|
|
return String.fromCharCode.apply(null, array);
|
|
}
|
|
|
|
|
|
describe('Gzip special cases', function() {
|
|
|
|
it('Read custom headers', function() {
|
|
var data = fs.readFileSync(path.join(__dirname, 'fixtures/gzip-headers.gz'));
|
|
var inflator = new pako.Inflate();
|
|
inflator.push(data, true);
|
|
|
|
assert.equal(inflator.header.name, 'test name');
|
|
assert.equal(inflator.header.comment, 'test comment');
|
|
assert.equal(a2s(inflator.header.extra), 'test extra');
|
|
});
|
|
|
|
it('Write custom headers', function() {
|
|
var data = ' ';
|
|
|
|
var deflator = new pako.Deflate({
|
|
gzip: true,
|
|
header: {
|
|
hcrc: true,
|
|
time: 1234567,
|
|
os: 15,
|
|
name: 'test name',
|
|
comment: 'test comment',
|
|
extra: [4,5,6]
|
|
}
|
|
});
|
|
deflator.push(data, true);
|
|
|
|
var inflator = new pako.Inflate({ to: 'string' });
|
|
inflator.push(deflator.result, true);
|
|
|
|
assert.equal(inflator.err, 0);
|
|
assert.equal(inflator.result, data);
|
|
|
|
var header = inflator.header;
|
|
assert.equal(header.time, 1234567);
|
|
assert.equal(header.os, 15);
|
|
assert.equal(header.name, 'test name');
|
|
assert.equal(header.comment, 'test comment');
|
|
assert(cmp(header.extra, [4,5,6]));
|
|
});
|
|
|
|
it('Read stream with SYNC marks', function() {
|
|
var inflator, strm, _in, len, pos = 0, i = 0;
|
|
var data = fs.readFileSync(path.join(__dirname, 'fixtures/gzip-joined.gz'));
|
|
|
|
do {
|
|
len = data.length - pos;
|
|
_in = new pako_utils.Buf8(len);
|
|
pako_utils.arraySet(_in, data, pos, len, 0);
|
|
|
|
inflator = new pako.Inflate();
|
|
strm = inflator.strm;
|
|
inflator.push(_in, true);
|
|
|
|
assert(!inflator.err, inflator.msg);
|
|
|
|
pos += strm.next_in;
|
|
i++;
|
|
} while (strm.avail_in);
|
|
|
|
assert(i === 2, 'invalid blobs count');
|
|
});
|
|
|
|
});
|