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node_modules/restructure/test/Buffer.coffee | 48 lines | 1.6 KiB | text/coffeescript | CoffeeScriptLexer |
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{Buffer:BufferT, DecodeStream, EncodeStream, uint8} = require '../'
should = require('chai').should()
concat = require 'concat-stream'
describe 'Buffer', ->
describe 'decode', ->
it 'should decode', ->
stream = new DecodeStream new Buffer [0xab, 0xff, 0x1f, 0xb6]
buf = new BufferT(2)
buf.decode(stream).should.deep.equal new Buffer [0xab, 0xff]
buf.decode(stream).should.deep.equal new Buffer [0x1f, 0xb6]
it 'should decode with parent key length', ->
stream = new DecodeStream new Buffer [0xab, 0xff, 0x1f, 0xb6]
buf = new BufferT('len')
buf.decode(stream, len: 3).should.deep.equal new Buffer [0xab, 0xff, 0x1f]
buf.decode(stream, len: 1).should.deep.equal new Buffer [0xb6]
describe 'size', ->
it 'should return size', ->
buf = new BufferT(2)
buf.size(new Buffer [0xab, 0xff]).should.equal 2
it 'should use defined length if no value given', ->
array = new BufferT 10
array.size().should.equal 10
describe 'encode', ->
it 'should encode', (done) ->
stream = new EncodeStream
stream.pipe concat (buf) ->
buf.should.deep.equal new Buffer [0xab, 0xff, 0x1f, 0xb6]
done()
buf = new BufferT(2)
buf.encode stream, new Buffer [0xab, 0xff]
buf.encode stream, new Buffer [0x1f, 0xb6]
stream.end()
it 'should encode length before buffer', (done) ->
stream = new EncodeStream
stream.pipe concat (buf) ->
buf.should.deep.equal new Buffer [2, 0xab, 0xff]
done()
buf = new BufferT(uint8)
buf.encode stream, new Buffer [0xab, 0xff]
stream.end()