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'use strict'
var Buffer = require('safe-buffer').Buffer
var test = require('tape').test
var msgpack = require('../')
var bl = require('bl')
function build (size) {
var buf
buf = Buffer.allocUnsafe(size)
buf.fill('a')
return buf
}
test('encode/decode 2^8-1 bytes buffers', function (t) {
var encoder = msgpack()
var all = []
all.push(build(Math.pow(2, 8) - 1))
all.push(build(Math.pow(2, 6) + 1))
all.push(build(1))
all.push(Buffer.allocUnsafe(0))
all.forEach(function (orig) {
t.test('encoding a buffer of length ' + orig.length, function (t) {
var buf = encoder.encode(orig)
t.equal(buf.length, 2 + orig.length, 'must have the right length')
t.equal(buf.readUInt8(0), 0xc4, 'must have the proper header')
t.equal(buf.readUInt8(1), orig.length, 'must include the buf length')
t.equal(buf.toString('utf8', 2), orig.toString('utf8'), 'must decode correctly')
t.end()
})
t.test('decoding a buffer of length ' + orig.length, function (t) {
var buf = Buffer.allocUnsafe(2 + orig.length)
buf[0] = 0xc4
buf[1] = orig.length
orig.copy(buf, 2)
t.equal(encoder.decode(buf).toString('utf8'), orig.toString('utf8'), 'must decode correctly')
t.end()
})
t.test('mirror test a buffer of length ' + orig.length, function (t) {
t.equal(encoder.decode(encoder.encode(orig)).toString(), orig.toString(), 'must stay the same')
t.end()
})
})
t.end()
})
test('decoding a chopped 2^8-1 bytes buffer', function (t) {
var encoder = msgpack()
var orig = build(Math.pow(2, 6))
var buf = Buffer.allocUnsafe(2 + orig.length)
buf[0] = 0xc4
buf[1] = Math.pow(2, 8) - 1 // set bigger size
orig.copy(buf, 2)
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()
})
test('decoding an incomplete header of 2^8-1 bytes buffer', function (t) {
var encoder = msgpack()
var buf = Buffer.allocUnsafe(1)
buf[0] = 0xc4
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()
})