kc3-lang/brotli/js/decode_test.js

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  Commit

• Hash : a629289e
  Author :
  Date : 2017-08-28T11:31:29
  

  Update (#590)
  
  * add transpiled JS decoder
   * make PY wrapper accept memview
   * fix dictionary generator
   * speedup compression of RLEish data

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• js/decode_test.js

• goog.require('goog.testing.asserts');
  goog.require('goog.testing.jsunit');
  
  /**
   * @param {string} bytes
   * @return {string}
   */
  function bytesToString(bytes) {
    return String.fromCharCode.apply(null, new Uint16Array(bytes));
  }
  
  function testEmpty() {
    assertEquals("", bytesToString(BrotliDecode(Int8Array.from([6]))));
    assertEquals("", bytesToString(BrotliDecode(Int8Array.from([0x81, 1]))));
    assertEquals("", bytesToString(BrotliDecode(Int8Array.from([1, 11, 0, 42, 3]))));
  }
  
  function testBaseDictWord() {
    var input = Int8Array.from([
      0x1b, 0x03, 0x00, 0x00, 0x00, 0x00, 0x80, 0xe3, 0xb4, 0x0d, 0x00, 0x00,
      0x07, 0x5b, 0x26, 0x31, 0x40, 0x02, 0x00, 0xe0, 0x4e, 0x1b, 0x41, 0x02
    ]);
    var output = BrotliDecode(input);
    assertEquals("time", bytesToString(output));
  }
  
  function testBlockCountMessage() {
    var input = Int8Array.from([
      0x1b, 0x0b, 0x00, 0x11, 0x01, 0x8c, 0xc1, 0xc5, 0x0d, 0x08, 0x00, 0x22,
      0x65, 0xe1, 0xfc, 0xfd, 0x22, 0x2c, 0xc4, 0x00, 0x00, 0x38, 0xd8, 0x32,
      0x89, 0x01, 0x12, 0x00, 0x00, 0x77, 0xda, 0x04, 0x10, 0x42, 0x00, 0x00, 0x00
    ]);
    var output = BrotliDecode(input);
    assertEquals("aabbaaaaabab", bytesToString(output));
  }
  
  function testCompressedUncompressedShortCompressedSmallWindow() {
    var input = Int8Array.from([
      0x21, 0xf4, 0x0f, 0x00, 0x00, 0x00, 0x00, 0x1c, 0xa7, 0x6d, 0x00, 0x00,
      0x38, 0xd8, 0x32, 0x89, 0x01, 0x12, 0x00, 0x00, 0x77, 0xda, 0x34, 0x7b,
      0xdb, 0x50, 0x80, 0x02, 0x80, 0x62, 0x62, 0x62, 0x62, 0x62, 0x62, 0x31,
      0x00, 0x00, 0x00, 0x00, 0x00, 0x38, 0x4e, 0xdb, 0x00, 0x00, 0x70, 0xb0,
      0x65, 0x12, 0x03, 0x24, 0x00, 0x00, 0xee, 0xb4, 0x11, 0x24, 0x00
    ]);
    var output = BrotliDecode(input);
    assertEquals(
      "aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa" +
      "aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa" +
      "aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa" +
      "aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa" +
      "aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa" +
      "aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa" +
      "aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa" +
      "aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa" +
      "aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa" +
      "aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa" +
      "aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa" +
      "aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa" +
      "aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa" +
      "aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa" +
      "aaaaaaaaaaaaaabbbbbbbbbb", bytesToString(output));
  }
  
  function testIntactDistanceRingBuffer0() {
    var input = Int8Array.from([
      0x1b, 0x0a, 0x00, 0x00, 0x00, 0x00, 0x80, 0xe3, 0xb4, 0x0d, 0x00, 0x00,
      0x07, 0x5b, 0x26, 0x31, 0x40, 0x02, 0x00, 0xe0, 0x4e, 0x1b, 0xa1, 0x80,
      0x20, 0x00
    ]);
    var output = BrotliDecode(input);
    assertEquals("himselfself", bytesToString(output));
  }
  

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