brotli/js/decode_test.js
Evgenii Kliuchnikov 745fd08ef2 internal change
PiperOrigin-RevId: 517214701
2023-07-04 07:53:59 +00:00

43 lines
1.2 KiB
JavaScript

/* Copyright 2017 Google Inc. All Rights Reserved.
Distributed under MIT license.
See file LICENSE for detail or copy at https://opensource.org/licenses/MIT
*/
import {BrotliDecode} from "./decode.js";
/**
* @param {!Int8Array} bytes
* @return {string}
*/
function bytesToString(bytes) {
return String.fromCharCode.apply(null, new Uint16Array(bytes));
}
/**
* @param {string} str
* @return {!Int8Array}
*/
function stringToBytes(str) {
let out = new Int8Array(str.length);
for (let i = 0; i < str.length; ++i) out[i] = str.charCodeAt(i);
return out;
}
describe('DecodeTest', () => {
it('testMetadata', () => {
expect('').toEqual(
bytesToString(BrotliDecode(Int8Array.from([1, 11, 0, 42, 3]))));
});
it('testCompoundDictionary', () => {
const txt = 'kot lomom kolol slona\n';
const dictionary = stringToBytes(txt);
const compressed =
[0xa1, 0xa8, 0x00, 0xc0, 0x2f, 0x01, 0x10, 0xc4, 0x44, 0x09, 0x00];
expect(txt.length).toEqual(compressed.length * 2);
const options = {'customDictionary': dictionary};
expect(txt).toEqual(
bytesToString(BrotliDecode(Int8Array.from(compressed), options)));
});
});