kc3-lang/brotli/js/decode_test.js

• Show log

  Commit

• Hash : 745fd08e
  Author :
  Date : 2023-03-16T20:38:28
  

  internal change
  
  PiperOrigin-RevId: 517214701
  

Download

• js/decode_test.js

• /* 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)));
    });
  });
  

Download