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113 lines
3.7 KiB
CoffeeScript
113 lines
3.7 KiB
CoffeeScript
{Optional, uint8, DecodeStream, EncodeStream} = require '../'
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should = require('chai').should()
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concat = require 'concat-stream'
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describe 'Optional', ->
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describe 'decode', ->
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it 'should not decode when condition is falsy', ->
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stream = new DecodeStream new Buffer [0]
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optional = new Optional uint8, false
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should.not.exist optional.decode(stream)
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stream.pos.should.equal 0
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it 'should not decode when condition is a function and falsy', ->
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stream = new DecodeStream new Buffer [0]
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optional = new Optional uint8, -> false
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should.not.exist optional.decode(stream)
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stream.pos.should.equal 0
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it 'should decode when condition is omitted', ->
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stream = new DecodeStream new Buffer [0]
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optional = new Optional uint8
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should.exist optional.decode(stream)
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stream.pos.should.equal 1
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it 'should decode when condition is truthy', ->
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stream = new DecodeStream new Buffer [0]
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optional = new Optional uint8, true
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should.exist optional.decode(stream)
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stream.pos.should.equal 1
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it 'should decode when condition is a function and truthy', ->
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stream = new DecodeStream new Buffer [0]
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optional = new Optional uint8, -> true
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should.exist optional.decode(stream)
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stream.pos.should.equal 1
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describe 'size', ->
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it 'should return 0 when condition is falsy', ->
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stream = new DecodeStream new Buffer [0]
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optional = new Optional uint8, false
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optional.size().should.equal 0
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it 'should return 0 when condition is a function and falsy', ->
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stream = new DecodeStream new Buffer [0]
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optional = new Optional uint8, -> false
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optional.size().should.equal 0
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it 'should return given type size when condition is omitted', ->
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stream = new DecodeStream new Buffer [0]
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optional = new Optional uint8
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optional.size().should.equal 1
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it 'should return given type size when condition is truthy', ->
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stream = new DecodeStream new Buffer [0]
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optional = new Optional uint8, true
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optional.size().should.equal 1
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it 'should return given type size when condition is a function and truthy', ->
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stream = new DecodeStream new Buffer [0]
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optional = new Optional uint8, -> true
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optional.size().should.equal 1
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describe 'encode', ->
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it 'should not encode when condition is falsy', (done) ->
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stream = new EncodeStream
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optional = new Optional uint8, false
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stream.pipe concat (buf) ->
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buf.should.deep.equal []
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done()
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optional.encode stream, 128
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stream.end()
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it 'should not encode when condition is a function and falsy', (done) ->
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stream = new EncodeStream
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optional = new Optional uint8, -> false
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stream.pipe concat (buf) ->
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buf.should.deep.equal []
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done()
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optional.encode stream, 128
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stream.end()
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it 'should encode when condition is omitted', (done) ->
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stream = new EncodeStream
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optional = new Optional uint8
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stream.pipe concat (buf) ->
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buf.should.deep.equal new Buffer [128]
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done()
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optional.encode stream, 128
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stream.end()
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it 'should encode when condition is truthy', (done) ->
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stream = new EncodeStream
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optional = new Optional uint8, true
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stream.pipe concat (buf) ->
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buf.should.deep.equal new Buffer [128]
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done()
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optional.encode stream, 128
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stream.end()
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it 'should encode when condition is a function and truthy', (done) ->
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stream = new EncodeStream
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optional = new Optional uint8, -> true
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stream.pipe concat (buf) ->
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buf.should.deep.equal new Buffer [128]
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done()
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optional.encode stream, 128
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stream.end()
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