8-bits-positive-integers.js
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'use strict'
var test = require('tape').test
var msgpack = require('../')
var bl = require('bl')
test('encoding/decoding 8-bits integers', function (t) {
var encoder = msgpack()
var allNum = []
for (var i = 128; i < 256; i++) {
allNum.push(i)
}
allNum.forEach(function (num) {
t.test('encoding ' + num, function (t) {
var buf = encoder.encode(num)
t.equal(buf.length, 2, 'must have 2 bytes')
t.equal(buf[0], 0xcc, 'must have the proper header')
t.equal(buf[1], num, 'must decode correctly')
t.end()
})
t.test('decoding ' + num, function (t) {
var buf = new Buffer([0xcc, num])
t.equal(encoder.decode(buf), num, 'must decode correctly')
t.end()
})
t.test('mirror test ' + num, function (t) {
t.equal(encoder.decode(encoder.encode(num)), num, 'must stay the same')
t.end()
})
})
t.end()
})
test('decoding an incomplete 8-bits unsigned integer', function (t) {
var encoder = msgpack()
var buf = new Buffer(1)
buf[0] = 0xcc
buf = bl().append(buf)
var origLength = buf.length
t.throws(function () {
encoder.decode(buf)
}, encoder.IncompleteBufferError, 'must throw IncompleteBufferError')
t.equals(buf.length, origLength, 'must not consume any byte')
t.end()
})