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-<!DOCTYPE html>
-<html>
-<!--
-Copyright 2008 The Closure Library Authors. All Rights Reserved.
-
-Use of this source code is governed by the Apache License, Version 2.0.
-See the COPYING file for details.
--->
-<head>
-<meta http-equiv="X-UA-Compatible" content="IE=edge">
-<title>Closure Unit Tests - goog.crypt.hash32</title>
-<script src="../base.js"></script>
-<script>
- goog.require('goog.crypt.hash32');
- goog.require('goog.testing.jsunit');
-</script>
-</head>
-<body>
-<script>
-
- // NOTE: This test uses a custom test case, see end of script block
-
- // Test data based on known input/output pairs generated using
- // http://go/hash.java
-
- function testEncodeInteger() {
- assertEquals(898813988, goog.crypt.hash32.encodeInteger(305419896));
- }
-
- function testEncodeByteArray() {
- assertEquals(-1497024495,
- goog.crypt.hash32.encodeByteArray([10, 20, 30, 40]));
- assertEquals(-961586214,
- goog.crypt.hash32.encodeByteArray([3, 1, 4, 1, 5, 9]));
- assertEquals(-1482202299,
- goog.crypt.hash32.encodeByteArray([127, 0, 0, 0, 123, 45]));
- assertEquals(170907881,
- goog.crypt.hash32.encodeByteArray([9, 1, 1]));
- }
-
- function testKnownByteArrays() {
- for (var i = 0; i < byteArrays.length; i++) {
- assertEquals(byteArrays[i],
- goog.crypt.hash32.encodeByteArray(createByteArray(i)));
- }
- }
-
- function testEncodeString() {
- assertEquals(-937588052, goog.crypt.hash32.encodeString('Hello, world'));
- assertEquals(62382810, goog.crypt.hash32.encodeString('Sch\xF6n'));
- }
-
- function testEncodeStringUtf8() {
- assertEquals(-937588052,
- goog.crypt.hash32.encodeStringUtf8('Hello, world'));
- assertEquals(-833263351, goog.crypt.hash32.encodeStringUtf8('Sch\xF6n'));
-
- assertEquals(-1771620293, goog.crypt.hash32.encodeStringUtf8(
- '\u043A\u0440'));
- }
-
- function testEncodeString_ascii() {
- assertEquals('For ascii characters UTF8 should be the same',
- goog.crypt.hash32.encodeStringUtf8('abc123'),
- goog.crypt.hash32.encodeString('abc123'));
-
- assertEquals('For ascii characters UTF8 should be the same',
- goog.crypt.hash32.encodeStringUtf8('The,quick.brown-fox'),
- goog.crypt.hash32.encodeString('The,quick.brown-fox'));
-
- assertNotEquals('For non-ascii characters UTF-8 encoding is different',
- goog.crypt.hash32.encodeStringUtf8('Sch\xF6n'),
- goog.crypt.hash32.encodeString('Sch\xF6n'));
- }
-
- function testEncodeString_poe() {
- var poe = "Once upon a midnight dreary, while I pondered weak and weary," +
- "Over many a quaint and curious volume of forgotten lore," +
- "While I nodded, nearly napping, suddenly there came a tapping," +
- "As of some one gently rapping, rapping at my chamber door." +
- "`'Tis some visitor,' I muttered, `tapping at my chamber door -" +
- "Only this, and nothing more.'" +
- "Ah, distinctly I remember it was in the bleak December," +
- "And each separate dying ember wrought its ghost upon the floor." +
- "Eagerly I wished the morrow; - vainly I had sought to borrow" +
- "From my books surcease of sorrow - sorrow for the lost Lenore -" +
- "For the rare and radiant maiden whom the angels named Lenore -" +
- "Nameless here for evermore." +
- "And the silken sad uncertain rustling of each purple curtain" +
- "Thrilled me - filled me with fantastic terrors never felt before;" +
- "So that now, to still the beating of my heart, I stood repeating" +
- "`'Tis some visitor entreating entrance at my chamber door -" +
- "Some late visitor entreating entrance at my chamber door; -" +
- "This it is, and nothing more,'" +
- "Presently my soul grew stronger; hesitating then no longer," +
- "`Sir,' said I, `or Madam, truly your forgiveness I implore;" +
- "But the fact is I was napping, and so gently you came rapping," +
- "And so faintly you came tapping, tapping at my chamber door," +
- "That I scarce was sure I heard you' - here I opened wide the door; -" +
- "Darkness there, and nothing more." +
- "Deep into that darkness peering, long I stood there wondering, " +
- "fearing," +
- "Doubting, dreaming dreams no mortal ever dared to dream before" +
- "But the silence was unbroken, and the darkness gave no token," +
- "And the only word there spoken was the whispered word, `Lenore!'" +
- "This I whispered, and an echo murmured back the word, `Lenore!'" +
- "Merely this and nothing more." +
- "Back into the chamber turning, all my soul within me burning," +
- "Soon again I heard a tapping somewhat louder than before." +
- "`Surely,\' said I, `surely that is something at my window lattice;" +
- "Let me see then, what thereat is, and this mystery explore -" +
- "Let my heart be still a moment and this mystery explore; -" +
- "'Tis the wind and nothing more!'";
-
- assertEquals(147608747, goog.crypt.hash32.encodeString(poe));
- assertEquals(147608747, goog.crypt.hash32.encodeStringUtf8(poe));
- }
-
- function testBenchmarking() {
- if (!testCase) return;
- // Not a real test, just outputs some timing
- function makeString(n) {
- var str = [];
- for (var i = 0; i < n; i++) {
- str.push(String.fromCharCode(Math.round(Math.random() * 500)));
- }
- return str.join('');
- }
- for (var i = 0; i < 50000; i+= 10000) {
- var str = makeString(i);
- var start = goog.now();
- var hash = goog.crypt.hash32.encodeString(str);
- var diff = goog.now() - start;
- testCase.saveMessage(
- 'testBenchmarking : hashing ' + i + ' chars in ' + diff + 'ms');
- }
- }
-
- function createByteArray(n) {
- var arr = [];
- for (var i = 0; i < n; i++) {
- arr.push(i);
- }
- return arr;
- }
-
- var byteArrays = {
- 0: 1539411136,
- 1: 1773524747,
- 2: -254958930,
- 3: 1532114172,
- 4: 1923165449,
- 5: 1611874589,
- 6: 1502126780,
- 7: -751745251,
- 8: -292491321,
- 9: 1106193218,
- 10: -722791438,
- 11: -2130666060,
- 12: -259304553,
- 13: 871461192,
- 14: 865773084,
- 15: 1615738330,
- 16: -1836636447,
- 17: -485722519,
- 18: -120832227,
- 19: 1954449704,
- 20: 491312921,
- 21: -1955462668,
- 22: 168565425,
- 23: -105893922,
- 24: 620486614,
- 25: -1789602428,
- 26: 1765793554,
- 27: 1723370948,
- 28: -1275405721,
- 29: 140421019,
- 30: -1438726307,
- 31: 538438903,
- 32: -729123980,
- 33: 1213490939,
- 34: -1814248478,
- 35: 1943703398,
- 36: 1603073219,
- 37: -2139639543,
- 38: -694153941,
- 39: 137511516,
- 40: -249943726,
- 41: -1166126060,
- 42: 53464833,
- 43: -915350862,
- 44: 1306585409,
- 45: 1064798289,
- 46: 335555913,
- 47: 224485496,
- 48: 275599760,
- 49: 409559869,
- 50: 673770580,
- 51: -2113819879,
- 52: -791338727,
- 53: -1716479479,
- 54: 1795018816,
- 55: 2020139343,
- 56: -1652827750,
- 57: -1509632558,
- 58: 751641995,
- 59: -217881377,
- 60: -476546900,
- 61: -1893349644,
- 62: -729290332,
- 63: 1359899321,
- 64: 1811814306,
- 65: 2100363086,
- 66: -794920327,
- 67: -1667555017,
- 68: -549980099,
- 69: -21170740,
- 70: -1324143722,
- 71: 1406730195,
- 72: 2111381574,
- 73: -1667480052,
- 74: 1071811178,
- 75: -1080194099,
- 76: -181186882,
- 77: 268677507,
- 78: -546766334,
- 79: 555953522,
- 80: -981311675,
- 81: 1988867392,
- 82: 773172547,
- 83: 1160806722,
- 84: -1455460187,
- 85: 83493600,
- 86: 155365142,
- 87: 1714618071,
- 88: 1487712615,
- 89: -810670278,
- 90: 2031655097,
- 91: 1286349470,
- 92: -1873594211,
- 93: 1875867480,
- 94: -1096259787,
- 95: -1054968610,
- 96: -1723043458,
- 97: 1278708307,
- 98: -601104085,
- 99: 1497928579,
- 100: 1329732615,
- 101: -1281696190,
- 102: 1471511953,
- 103: -62666299,
- 104: 807569747,
- 105: -1927974759,
- 106: 1462243717,
- 107: -862975602,
- 108: 824369927,
- 109: -1448816781,
- 110: 1434162022,
- 111: -881501413,
- 112: -1554381107,
- 113: -1730883204,
- 114: 431236217,
- 115: 1877278608,
- 116: -673864625,
- 117: 143000665,
- 118: -596902829,
- 119: 1038860559,
- 120: 805884326,
- 121: -1536181710,
- 122: -1357373256,
- 123: 1405134250,
- 124: -860816481,
- 125: 1393578269,
- 126: -810682545,
- 127: -635515639
- };
-
- var testCase;
- if (G_testRunner) {
- testCase = new goog.testing.TestCase(document.title);
- testCase.autoDiscoverTests();
- G_testRunner.initialize(testCase);
- }
-
-</script>
-</body>
-</html>
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