bitcoinjs-lib/test/convert.js

75 lines
2.2 KiB
JavaScript

/* global describe, it */
var assert = require('assert');
var convert = require('../src/convert.js');
describe('convert', function() {
describe('bytesToHex', function() {
it('handles example 1', function() {
assert.equal(convert.bytesToHex([0, 1, 2, 255]), '000102ff');
})
})
describe('hexToBytes', function() {
it('handles example 1', function() {
assert.deepEqual(convert.hexToBytes('000102ff'), [0, 1, 2, 255]);
})
})
it('converts from bytes to hex and back', function() {
var bytes = [];
for (var i=0 ; i<256 ; ++i) {
bytes.push(i);
}
var hex = convert.bytesToHex(bytes);
assert.equal(hex.length, 512);
assert.deepEqual(convert.hexToBytes(hex), bytes);
})
describe('bytesToBase64', function() {
it('passes RFC4648 test vectors', function() {
// Test vectors from:
// http://tools.ietf.org/html/rfc4648#page-12
var b64 = function(s) {
return convert.bytesToBase64(convert.stringToBytes(s))
}
assert.equal(b64(''), '')
assert.equal(b64('f'), 'Zg==')
assert.equal(b64('fo'), 'Zm8=')
assert.equal(b64('foo'), 'Zm9v')
assert.equal(b64('foob'), 'Zm9vYg==')
assert.equal(b64('fooba'), 'Zm9vYmE=')
assert.equal(b64('foobar'), 'Zm9vYmFy')
})
})
describe('byte array and word array conversions', function(){
var bytes, wordArray;
beforeEach(function(){
bytes = [
98, 233, 7, 177, 92, 191, 39, 213, 66, 83,
153, 235, 246, 240, 251, 80, 235, 184, 143, 24
]
wordArray = {
words: [1659439025, 1556031445, 1112775147, -151979184, -340226280],
sigBytes: 20
}
})
describe('bytesToWords', function() {
it('works', function() {
assert.deepEqual(convert.bytesToWordArray(bytes), wordArray)
})
})
describe('bytesToWords', function() {
it('works', function() {
assert.deepEqual(convert.wordArrayToBytes(wordArray), bytes)
})
})
})
})