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<!DOCTYPE html>
<html>
<!--
Copyright 2007 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.baseN</title>
<script src="../base.js"></script>
<script>
goog.require('goog.crypt.baseN');
goog.require('goog.testing.jsunit');
</script>
</head>
<body>
<script>
/**
* @fileoverview Tests for arbitrary base conversion library baseconversion.js.
*/
function testDecToHex() {
verifyConversion(goog.crypt.baseN.BASE_DECIMAL, '0',
goog.crypt.baseN.BASE_LOWERCASE_HEXADECIMAL, '0');
verifyConversion(goog.crypt.baseN.BASE_DECIMAL, '9',
goog.crypt.baseN.BASE_UPPERCASE_HEXADECIMAL, '9');
verifyConversion(goog.crypt.baseN.BASE_DECIMAL, '13',
goog.crypt.baseN.BASE_LOWERCASE_HEXADECIMAL, 'd');
verifyConversion(goog.crypt.baseN.BASE_DECIMAL, '255',
goog.crypt.baseN.BASE_UPPERCASE_HEXADECIMAL, 'FF');
verifyConversion(goog.crypt.baseN.BASE_DECIMAL,
'53425987345897',
goog.crypt.baseN.BASE_LOWERCASE_HEXADECIMAL,
'309734ff5de9');
verifyConversion(goog.crypt.baseN.BASE_DECIMAL,
'987080888',
goog.crypt.baseN.BASE_UPPERCASE_HEXADECIMAL,
'3AD5A8B8');
verifyConversion(goog.crypt.baseN.BASE_DECIMAL,
'009341587237',
goog.crypt.baseN.BASE_LOWERCASE_HEXADECIMAL,
'22ccd4f25');
}
function testBinToDec() {
verifyConversion(
goog.crypt.baseN.BASE_BINARY,
'11101010101000100010010000010010010000111101000100110111000000100001' +
'01100100111110110010000010110100111101000010010100001011111011111100' +
'00000010000010000101010101000000000101100000000100011111011101111001' +
'10000001000000000100101110001001001101101001101111010101111100010001' +
'11011100000110111000000100111011100100010010011001111011001111001011' +
'10001000101111001010011101101100110110011110010000011100101011110010' +
'11010001001111110011000000001001011011111011010000110011010000010111' +
'10111100000001100010111100000100000000110001011101011110100000011010' +
'0110000100011111',
goog.crypt.baseN.BASE_DECIMAL,
'34589745906769047354795784390596748934723904739085568907689045723489' +
'05745789789078907890789023447892365623589745678902348976234598723459' +
'087523496723486089723459078349087');
}
function testDecToBin() {
verifyConversion(
goog.crypt.baseN.BASE_DECIMAL,
'00342589674590347859734908573490568347534805468907960579056785605496' +
'83475873465859072390486756098742380573908572390463805745656623475234' +
'82345670247851902784123897349486238502378940637925807378946358964328' +
'57906148572346857346409823758034763928401296023947234784623765456367' +
'764623627623574',
goog.crypt.baseN.BASE_BINARY,
'10010011011100101010001111100111001100110000110111111110010110101000' +
'01010110110010000111000001100110100101010000101001100001011000101111' +
'01011101111100101101010010000111011110011110010101111001110010100100' +
'10111110000101111011010000000111111011110010011110101011100101000001' +
'00011000101010011001101000011101001010001101011110101001011011100101' +
'11100000101000010010101001011001100100101110111101010000011010001010' +
'01011100100111110001100111100100011001001001100011011100100111011111' +
'01000100101001000100110001011010010000011010111101111111111111110100' +
'01100101001111001111100110101000001100100000111111100101110010111011' +
'10110110001100100011101010110110100001001000101011001001100011010110' +
'10110100000110000110010111110100000100110110010010010101111001001111' +
'11100100000010101111110100011010011101011010001101110011100110111111' +
'11000100001111010000000101011011000010010000000100111111010110111100' +
'00101111010011011010011010010001000101100001111001110010010110');
}
function test7To9() {
verifyConversion(
'0123456', // Base 7.
'60625646056660665666066534602566346056634560665606666656465634265434' +
'66563465664566346406366534664656650660665623456663456654360665',
'012345678', // Base 9.
'11451222686557606458341381287142358175337801548087003804852781764284' +
'273762357630423116743334671762638240652740158536');
}
function testZeros() {
verifyConversion(goog.crypt.baseN.BASE_DECIMAL, '0',
goog.crypt.baseN.BASE_LOWERCASE_HEXADECIMAL, '0');
verifyConversion(goog.crypt.baseN.BASE_DECIMAL, '000',
goog.crypt.baseN.BASE_LOWERCASE_HEXADECIMAL, '0');
verifyConversion(goog.crypt.baseN.BASE_DECIMAL, '0000007',
goog.crypt.baseN.BASE_LOWERCASE_HEXADECIMAL, '7');
}
function testArbitraryBases() {
verifyConversion('X9(', // Base 3.
'9(XX((9X(XX9(9X9(X9(',
'a:*o9', // Base 5.
':oa**:9o9**9oo');
}
function testEmptyBases() {
var e = assertThrows(function() {
goog.crypt.baseN.recodeString('1230', '', '0123');
});
assertEquals('Exception message', 'Number 1230 contains a character ' +
'not found in base , which is 0', e.message);
e = assertThrows(function() {
goog.crypt.baseN.recodeString('1230', '0123', '');
});
assertEquals('Exception message', 'Empty output base', e.message);
}
function testInvalidDigits() {
var e = assertThrows(function() {
goog.crypt.baseN.recodeString('123x456', '01234567', '01234567');
});
assertEquals('Exception message', 'Number 123x456 contains a character ' +
'not found in base 01234567, which is x', e.message);
}
function makeHugeBase() {
// Number of digits in the base.
// Tests break if this is set to 200'000. The reason for that is
// String.fromCharCode(196609) == String.fromCharCode(1).
var baseSize = 20000;
var tab = [];
for (var i = 0; i < baseSize; i++) {
tab.push(String.fromCharCode(i));
}
return tab.join('');
}
function testHugeInputBase() {
verifyConversion(makeHugeBase(), String.fromCharCode(12345),
goog.crypt.baseN.BASE_DECIMAL, '12345');
}
function testHugeOutputBase() {
verifyConversion(goog.crypt.baseN.BASE_DECIMAL, '12345',
makeHugeBase(), String.fromCharCode(12345));
}
function verifyConversion(inputBase, inputNumber, outputBase, outputNumber) {
assertEquals(outputNumber,
goog.crypt.baseN.recodeString(inputNumber,
inputBase,
outputBase));
}
</script>
</body>
</html>
|
