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Commit Description:
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node_modules/tiny-inflate/test/index.js | 75 lines | 2.0 KiB | application/javascript | JavascriptLexer |
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move datatable to yarn
 r789 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 = Buffer.alloc(uncompressed.length);
inflate(compressed, out);
assert.deepEqual(out, uncompressed);
});
it('should slice output buffer', function() {
var out = Buffer.alloc(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 = Buffer.alloc(uncompressed.length);
inflate(noCompression, out);
assert.deepEqual(out, uncompressed);
});
it('should handle fixed huffman blocks', function() {
var out = Buffer.alloc(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));
});
});