88 lines
2.7 KiB
JavaScript
88 lines
2.7 KiB
JavaScript
/* global describe, it */
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var assert = require('assert')
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var address = require('../src/address')
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var Note = require('../src/note')
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var NotePlaintext = require('../src/note_plaintext')
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describe('NotePlaintext', function () {
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var key = address.SpendingKey.random()
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var note = Note.dummy(key.address().a_pk)
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var notePt = new NotePlaintext(note, Buffer.from('Dummy plaintext'))
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describe('toBuffer/fromBuffer', function () {
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it('is unchanged by export and import', function () {
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var notePt2 = NotePlaintext.fromBuffer(notePt.toBuffer())
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assert.strictEqual(
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notePt.toBuffer().toString('hex'),
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notePt2.toBuffer().toString('hex'),
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'NotePlaintexts do not match')
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})
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describe('invalid lead byte', function () {
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var data = notePt.toBuffer()
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data[0] = 1
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it('throws', function () {
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assert.throws(function () {
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NotePlaintext.fromBuffer(data)
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}, new RegExp('lead byte of NotePlaintext is not recognized'))
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})
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it('throws with __noStrict = true', function () {
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assert.throws(function () {
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NotePlaintext.fromBuffer(data, true)
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}, new RegExp('lead byte of NotePlaintext is not recognized'))
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})
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})
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describe('insufficient data', function () {
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var data = notePt.toBuffer().slice(0, notePt.byteLength() - 1)
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it('throws', function () {
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assert.throws(function () {
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NotePlaintext.fromBuffer(data)
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}, new RegExp('NotePlaintext has unexpected data'))
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})
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it('throws with __noStrict = true', function () {
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assert.throws(function () {
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NotePlaintext.fromBuffer(data, true)
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}, new RegExp('NotePlaintext has unexpected data'))
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})
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})
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describe('excess data', function () {
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var data = Buffer.alloc(notePt.byteLength() + 1)
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notePt.toBuffer().copy(data)
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it('throws', function () {
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assert.throws(function () {
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NotePlaintext.fromBuffer(data)
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}, new RegExp('NotePlaintext has unexpected data'))
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})
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it('passes with __noStrict = true', function () {
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assert.doesNotThrow(function () {
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NotePlaintext.fromBuffer(data, true)
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}, new RegExp('NotePlaintext has unexpected data'))
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})
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})
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})
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describe('note', function () {
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it('generates the correct note', function () {
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var note2 = notePt.note(key.address().a_pk)
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assert.strictEqual(
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note.cm().toString('hex'),
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note2.cm().toString('hex'),
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'Commitments do not match')
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assert.strictEqual(
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note.nullifier(key).toString('hex'),
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note2.nullifier(key).toString('hex'),
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'Nullifiers do not match')
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})
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})
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})
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