brotli/js/decode_test.ts
Evgenii Kliuchnikov 11abde4c96 Add tests for TS brotli decoder
PiperOrigin-RevId: 527326003
2023-07-04 07:55:06 +00:00

39 lines
1.2 KiB
TypeScript

/* Copyright 2023 Google Inc. All Rights Reserved.
Distributed under MIT license.
See file LICENSE for detail or copy at https://opensource.org/licenses/MIT
*/
import 'jasmine';
import {brotliDecode} from './decode';
function bytesToString(bytes: Int8Array): string {
const chars: number[] = new Uint16Array(bytes) as unknown as number[];
return String.fromCharCode.apply(null, chars);
}
function stringToBytes(str: string): Int8Array {
const 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)));
});
});