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