63 lines
1.8 KiB
JavaScript
63 lines
1.8 KiB
JavaScript
var assert = require('assert')
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var convert = require('../').convert
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describe('convert', function() {
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describe('bytesToHex', function() {
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it('handles example 1', function() {
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assert.equal(convert.bytesToHex([0, 1, 2, 255]), '000102ff')
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})
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})
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describe('hexToBytes', function() {
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it('handles example 1', function() {
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assert.deepEqual(convert.hexToBytes('000102ff'), [0, 1, 2, 255])
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})
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})
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it('converts from bytes to hex and back', function() {
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var bytes = []
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for (var i=0 ; i<256 ; ++i) {
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bytes.push(i)
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}
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var hex = convert.bytesToHex(bytes)
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assert.equal(hex.length, 512)
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assert.deepEqual(convert.hexToBytes(hex), bytes)
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})
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describe('byte array and word array conversions', function(){
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var bytes, wordArray
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beforeEach(function(){
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bytes = [
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98, 233, 7, 177, 92, 191, 39, 213, 66, 83,
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153, 235, 246, 240, 251, 80, 235, 184, 143, 24
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]
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wordArray = {
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words: [1659439025, 1556031445, 1112775147, -151979184, -340226280],
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sigBytes: 20
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}
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})
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describe('bytesToWords', function() {
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it('works', function() {
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assert.deepEqual(convert.bytesToWordArray(bytes), wordArray)
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})
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})
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describe('bytesToWords', function() {
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it('works', function() {
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assert.deepEqual(convert.wordArrayToBytes(wordArray), bytes)
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})
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})
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})
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describe('reverseEndian', function() {
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it('works', function() {
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var bigEndian = "6a4062273ac4f9ea4ffca52d9fd102b08f6c32faa0a4d1318e3a7b2e437bb9c7"
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var littleEdian = "c7b97b432e7b3a8e31d1a4a0fa326c8fb002d19f2da5fc4feaf9c43a2762406a"
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assert.deepEqual(convert.reverseEndian(bigEndian), littleEdian)
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assert.deepEqual(convert.reverseEndian(littleEdian), bigEndian)
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})
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})
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})
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