166 lines
7.0 KiB
JavaScript
166 lines
7.0 KiB
JavaScript
// Copyright 2007 The Closure Library Authors. All Rights Reserved.
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//
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// Licensed under the Apache License, Version 2.0 (the "License");
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// you may not use this file except in compliance with the License.
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// You may obtain a copy of the License at
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//
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// http://www.apache.org/licenses/LICENSE-2.0
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//
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// Unless required by applicable law or agreed to in writing, software
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// distributed under the License is distributed on an "AS-IS" BASIS,
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// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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// See the License for the specific language governing permissions and
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// limitations under the License.
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/**
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* @fileoverview Tests for arbitrary base conversion library baseconversion.js.
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*/
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goog.provide('goog.crypt.baseNTest');
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goog.setTestOnly('goog.crypt.baseNTest');
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goog.require('goog.crypt.baseN');
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goog.require('goog.testing.jsunit');
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function testDecToHex() {
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verifyConversion(goog.crypt.baseN.BASE_DECIMAL, '0',
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goog.crypt.baseN.BASE_LOWERCASE_HEXADECIMAL, '0');
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verifyConversion(goog.crypt.baseN.BASE_DECIMAL, '9',
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goog.crypt.baseN.BASE_UPPERCASE_HEXADECIMAL, '9');
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verifyConversion(goog.crypt.baseN.BASE_DECIMAL, '13',
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goog.crypt.baseN.BASE_LOWERCASE_HEXADECIMAL, 'd');
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verifyConversion(goog.crypt.baseN.BASE_DECIMAL, '255',
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goog.crypt.baseN.BASE_UPPERCASE_HEXADECIMAL, 'FF');
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verifyConversion(goog.crypt.baseN.BASE_DECIMAL,
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'53425987345897',
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goog.crypt.baseN.BASE_LOWERCASE_HEXADECIMAL,
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'309734ff5de9');
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verifyConversion(goog.crypt.baseN.BASE_DECIMAL,
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'987080888',
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goog.crypt.baseN.BASE_UPPERCASE_HEXADECIMAL,
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'3AD5A8B8');
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verifyConversion(goog.crypt.baseN.BASE_DECIMAL,
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'009341587237',
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goog.crypt.baseN.BASE_LOWERCASE_HEXADECIMAL,
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'22ccd4f25');
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}
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function testBinToDec() {
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verifyConversion(
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goog.crypt.baseN.BASE_BINARY,
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'11101010101000100010010000010010010000111101000100110111000000100001' +
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'01100100111110110010000010110100111101000010010100001011111011111100' +
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'00000010000010000101010101000000000101100000000100011111011101111001' +
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'10000001000000000100101110001001001101101001101111010101111100010001' +
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'11011100000110111000000100111011100100010010011001111011001111001011' +
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'10001000101111001010011101101100110110011110010000011100101011110010' +
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'11010001001111110011000000001001011011111011010000110011010000010111' +
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'10111100000001100010111100000100000000110001011101011110100000011010' +
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'0110000100011111',
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goog.crypt.baseN.BASE_DECIMAL,
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'34589745906769047354795784390596748934723904739085568907689045723489' +
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'05745789789078907890789023447892365623589745678902348976234598723459' +
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'087523496723486089723459078349087');
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}
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function testDecToBin() {
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verifyConversion(
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goog.crypt.baseN.BASE_DECIMAL,
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'00342589674590347859734908573490568347534805468907960579056785605496' +
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'83475873465859072390486756098742380573908572390463805745656623475234' +
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'82345670247851902784123897349486238502378940637925807378946358964328' +
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'57906148572346857346409823758034763928401296023947234784623765456367' +
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'764623627623574',
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goog.crypt.baseN.BASE_BINARY,
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'10010011011100101010001111100111001100110000110111111110010110101000' +
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'01010110110010000111000001100110100101010000101001100001011000101111' +
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'01011101111100101101010010000111011110011110010101111001110010100100' +
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'10111110000101111011010000000111111011110010011110101011100101000001' +
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'00011000101010011001101000011101001010001101011110101001011011100101' +
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'11100000101000010010101001011001100100101110111101010000011010001010' +
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'01011100100111110001100111100100011001001001100011011100100111011111' +
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'01000100101001000100110001011010010000011010111101111111111111110100' +
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'01100101001111001111100110101000001100100000111111100101110010111011' +
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'10110110001100100011101010110110100001001000101011001001100011010110' +
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'10110100000110000110010111110100000100110110010010010101111001001111' +
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'11100100000010101111110100011010011101011010001101110011100110111111' +
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'11000100001111010000000101011011000010010000000100111111010110111100' +
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'00101111010011011010011010010001000101100001111001110010010110');
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}
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function test7To9() {
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verifyConversion(
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'0123456', // Base 7.
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'60625646056660665666066534602566346056634560665606666656465634265434' +
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'66563465664566346406366534664656650660665623456663456654360665',
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'012345678', // Base 9.
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'11451222686557606458341381287142358175337801548087003804852781764284' +
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'273762357630423116743334671762638240652740158536');
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}
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function testZeros() {
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verifyConversion(goog.crypt.baseN.BASE_DECIMAL, '0',
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goog.crypt.baseN.BASE_LOWERCASE_HEXADECIMAL, '0');
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verifyConversion(goog.crypt.baseN.BASE_DECIMAL, '000',
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goog.crypt.baseN.BASE_LOWERCASE_HEXADECIMAL, '0');
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verifyConversion(goog.crypt.baseN.BASE_DECIMAL, '0000007',
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goog.crypt.baseN.BASE_LOWERCASE_HEXADECIMAL, '7');
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}
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function testArbitraryBases() {
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verifyConversion('X9(', // Base 3.
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'9(XX((9X(XX9(9X9(X9(',
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'a:*o9', // Base 5.
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':oa**:9o9**9oo');
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}
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function testEmptyBases() {
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var e = assertThrows(function() {
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goog.crypt.baseN.recodeString('1230', '', '0123');
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});
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assertEquals('Exception message', 'Number 1230 contains a character ' +
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'not found in base , which is 0', e.message);
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e = assertThrows(function() {
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goog.crypt.baseN.recodeString('1230', '0123', '');
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});
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assertEquals('Exception message', 'Empty output base', e.message);
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}
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function testInvalidDigits() {
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var e = assertThrows(function() {
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goog.crypt.baseN.recodeString('123x456', '01234567', '01234567');
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});
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assertEquals('Exception message', 'Number 123x456 contains a character ' +
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'not found in base 01234567, which is x', e.message);
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}
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function makeHugeBase() {
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// Number of digits in the base.
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// Tests break if this is set to 200'000. The reason for that is
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// String.fromCharCode(196609) == String.fromCharCode(1).
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var baseSize = 20000;
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var tab = [];
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for (var i = 0; i < baseSize; i++) {
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tab.push(String.fromCharCode(i));
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}
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return tab.join('');
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}
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function testHugeInputBase() {
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verifyConversion(makeHugeBase(), String.fromCharCode(12345),
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goog.crypt.baseN.BASE_DECIMAL, '12345');
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}
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function testHugeOutputBase() {
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verifyConversion(goog.crypt.baseN.BASE_DECIMAL, '12345',
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makeHugeBase(), String.fromCharCode(12345));
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}
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function verifyConversion(inputBase, inputNumber, outputBase, outputNumber) {
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assertEquals(outputNumber,
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goog.crypt.baseN.recodeString(inputNumber,
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inputBase,
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outputBase));
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}
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