typesetting/pitfall/restructure/number-test.rkt

#lang restructure/racket
(require "number.rkt" "stream.rkt" rackunit)

#|
approximates
https://github.com/mbutterick/restructure/blob/master/test/Number.coffee
|#

;describe 'Number', ->
;  describe 'uint8', ->
;    it 'should decode', ->
;      stream = new DecodeStream new Buffer [0xab, 0xff]
;      uint8.decode(stream).should.equal 0xab
;      uint8.decode(stream).should.equal 0xff

(let ([stream (+DecodeStream (bytes #xab #xff))])
  (check-equal? (send uint8 decode stream) #xab)
  (check-equal? (send uint8 decode stream) #xff))
;
;    it 'should have a size', ->
;      uint8.size().should.equal 1

(check-equal? (send uint8 size) 1)

;
;    it 'should encode', (done) ->
;      stream = new EncodeStream
;      stream.pipe concat (buf) ->
;        buf.should.deep.equal new Buffer [0xab, 0xff]
;        done()
;
;      uint8.encode(stream, 0xab)
;      uint8.encode(stream, 0xff)
;      stream.end()

(let ([stream (+EncodeStream)])
  (send uint8 encode stream #xab)
  (send uint8 encode stream #xff)
  (check-equal? (send stream dump) (bytes #xab #xff)))


;
;  describe 'uint16', ->
;    it 'is an alias for uint16be', ->
;      uint16.should.equal uint16be

;; modified test: `uint16` is the same endianness as the platform
(check-equal? (send uint16 decode (bytes 0 1)) (send (if (system-big-endian?)
                                                             uint16be
                                                             uint16le) decode (bytes 0 1)))

;
;  describe 'uint16be', ->
;    it 'should decode', ->
;      stream = new DecodeStream new Buffer [0xab, 0xff]
;      uint16be.decode(stream).should.equal 0xabff

(let ([stream (+DecodeStream (bytes #xab #xff))])
  (check-equal? (send uint16be decode stream) #xabff))


;
;    it 'should have a size', ->
;      uint16be.size().should.equal 2

(check-equal? (send uint16be size) 2)


;
;    it 'should encode', (done) ->
;      stream = new EncodeStream
;      stream.pipe concat (buf) ->
;        buf.should.deep.equal new Buffer [0xab, 0xff]
;        done()
;
;      uint16be.encode(stream, 0xabff)
;      stream.end()

(let ([stream (+EncodeStream)])
  (send uint16be encode stream #xabff)
  (check-equal? (send stream dump) (bytes #xab #xff)))


;
;  describe 'uint16le', ->
;    it 'should decode', ->
;      stream = new DecodeStream new Buffer [0xff, 0xab]
;      uint16le.decode(stream).should.equal 0xabff

(let ([stream (+DecodeStream (bytes #xff #xab))])
  (check-equal? (send uint16le decode stream) #xabff))

;
;    it 'should have a size', ->
;      uint16le.size().should.equal 2

(check-equal? (send uint16le size) 2)

;
;    it 'should encode', (done) ->
;      stream = new EncodeStream
;      stream.pipe concat (buf) ->
;        buf.should.deep.equal new Buffer [0xff, 0xab]
;        done()
;
;      uint16le.encode(stream, 0xabff)
;      stream.end()

(let ([stream (+EncodeStream)])
  (send uint16le encode stream #xabff)
  (check-equal? (send stream dump) (bytes #xff #xab)))

;
;  describe 'uint24', ->
;    it 'is an alias for uint24be', ->
;      uint24.should.equal uint24be

;; modified test: `uint24` is the same endianness as the platform
(check-equal? (send uint24 decode (bytes 0 1 2)) (send (if (system-big-endian?)
                                                             uint24be
                                                             uint24le) decode (bytes 0 1 2)))

;
;  describe 'uint24be', ->
;    it 'should decode', ->
;      stream = new DecodeStream new Buffer [0xff, 0xab, 0x24]
;      uint24be.decode(stream).should.equal 0xffab24

(let ([stream (+DecodeStream (bytes #xff #xab #x24))])
  (check-equal? (send uint24be decode stream) #xffab24))

;
;    it 'should have a size', ->
;      uint24be.size().should.equal 3

(check-equal? (send uint24be size) 3)

;
;    it 'should encode', (done) ->
;      stream = new EncodeStream
;      stream.pipe concat (buf) ->
;        buf.should.deep.equal new Buffer [0xff, 0xab, 0x24]
;        done()
;
;      uint24be.encode(stream, 0xffab24)
;      stream.end()

(let ([stream (+EncodeStream)])
  (send uint24be encode stream #xffab24)
  (check-equal? (send stream dump) (bytes #xff #xab #x24)))

;
;  describe 'uint24le', ->
;    it 'should decode', ->
;      stream = new DecodeStream new Buffer [0x24, 0xab, 0xff]
;      uint24le.decode(stream).should.equal 0xffab24

(let ([stream (+DecodeStream (bytes #x24 #xab #xff))])
  (check-equal? (send uint24le decode stream) #xffab24))


;
;    it 'should have a size', ->
;      uint24le.size().should.equal 3

(check-equal? (send uint24le size) 3)

;
;    it 'should encode', (done) ->
;      stream = new EncodeStream
;      stream.pipe concat (buf) ->
;        buf.should.deep.equal new Buffer [0x24, 0xab, 0xff]
;        done()
;
;      uint24le.encode(stream, 0xffab24)
;      stream.end()

(let ([stream (+EncodeStream)])
  (send uint24le encode stream #xffab24)
  (check-equal? (send stream dump) (bytes #x24 #xab #xff)))

;
;  describe 'uint32', ->
;    it 'is an alias for uint32be', ->
;      uint32.should.equal uint32be

;; modified test: `uint32` is the same endianness as the platform
(check-equal? (send uint32 decode (bytes 0 1 2 3)) (send (if (system-big-endian?)
                                                             uint32be
                                                             uint32le) decode (bytes 0 1 2 3)))

;
;  describe 'uint32be', ->
;    it 'should decode', ->
;      stream = new DecodeStream new Buffer [0xff, 0xab, 0x24, 0xbf]
;      uint32be.decode(stream).should.equal 0xffab24bf
;
;    it 'should have a size', ->
;      uint32be.size().should.equal 4
;
;    it 'should encode', (done) ->
;      stream = new EncodeStream
;      stream.pipe concat (buf) ->
;        buf.should.deep.equal new Buffer [0xff, 0xab, 0x24, 0xbf]
;        done()
;
;      uint32be.encode(stream, 0xffab24bf)
;      stream.end()

(let ([stream (+DecodeStream (bytes #xff #xab #x24 #xbf))])
  (check-equal? (send uint32be decode stream) #xffab24bf))

(check-equal? (send uint32be size) 4)

(let ([stream (+EncodeStream)])
  (send uint32be encode stream #xffab24bf)
  (check-equal? (send stream dump) (bytes #xff #xab #x24 #xbf)))

;
;  describe 'uint32le', ->
;    it 'should decode', ->
;      stream = new DecodeStream new Buffer [0xbf, 0x24, 0xab, 0xff]
;      uint32le.decode(stream).should.equal 0xffab24bf
;
;    it 'should have a size', ->
;      uint32le.size().should.equal 4
;
;    it 'should encode', (done) ->
;      stream = new EncodeStream
;      stream.pipe concat (buf) ->
;        buf.should.deep.equal new Buffer [0xbf, 0x24, 0xab, 0xff]
;        done()
;
;      uint32le.encode(stream, 0xffab24bf)
;      stream.end()

(let ([stream (+DecodeStream (bytes #xbf #x24 #xab #xff))])
  (check-equal? (send uint32le decode stream) #xffab24bf))

(check-equal? (send uint32le size) 4)

(let ([stream (+EncodeStream)])
  (send uint32le encode stream #xffab24bf)
  (check-equal? (send stream dump) (bytes #xbf #x24 #xab #xff)))


;
;  describe 'int8', ->
;    it 'should decode', ->
;      stream = new DecodeStream new Buffer [0x7f, 0xff]
;      int8.decode(stream).should.equal 127
;      int8.decode(stream).should.equal -1
;
;    it 'should have a size', ->
;      int8.size().should.equal 1
;
;    it 'should encode', (done) ->
;      stream = new EncodeStream
;      stream.pipe concat (buf) ->
;        buf.should.deep.equal new Buffer [0x7f, 0xff]
;        done()
;
;      int8.encode(stream, 127)
;      int8.encode(stream, -1)
;      stream.end()

(let ([stream (+DecodeStream (bytes #x7f #xff))])
  (check-equal? (send int8 decode stream) 127)
  (check-equal? (send int8 decode stream) -1))

(check-equal? (send int8 size) 1)

(let ([stream (+EncodeStream)])
  (send int8 encode stream 127)
  (send int8 encode stream -1)
  (check-equal? (send stream dump) (bytes #x7f #xff)))


;
;  describe 'int16', ->
;    it 'is an alias for int16be', ->
;      int16.should.equal int16be
;
;  describe 'int16be', ->
;    it 'should decode', ->
;      stream = new DecodeStream new Buffer [0xff, 0xab]
;      int16be.decode(stream).should.equal -85
;
;    it 'should have a size', ->
;      int16be.size().should.equal 2
;
;    it 'should encode', (done) ->
;      stream = new EncodeStream
;      stream.pipe concat (buf) ->
;        buf.should.deep.equal new Buffer [0xff, 0xab]
;        done()
;
;      int16be.encode(stream, -85)
;      stream.end()
;
;  describe 'int16le', ->
;    it 'should decode', ->
;      stream = new DecodeStream new Buffer [0xab, 0xff]
;      int16le.decode(stream).should.equal -85
;
;    it 'should have a size', ->
;      int16le.size().should.equal 2
;
;    it 'should encode', (done) ->
;      stream = new EncodeStream
;      stream.pipe concat (buf) ->
;        buf.should.deep.equal new Buffer [0xab, 0xff]
;        done()
;
;      int16le.encode(stream, -85)
;      stream.end()
;
;  describe 'int24', ->
;    it 'is an alias for int24be', ->
;      int24.should.equal int24be
;
;  describe 'int24be', ->
;    it 'should decode', ->
;      stream = new DecodeStream new Buffer [0xff, 0xab, 0x24]
;      int24be.decode(stream).should.equal -21724
;
;    it 'should have a size', ->
;      int24be.size().should.equal 3
;
;    it 'should encode', (done) ->
;      stream = new EncodeStream
;      stream.pipe concat (buf) ->
;        buf.should.deep.equal new Buffer [0xff, 0xab, 0x24]
;        done()
;
;      int24be.encode(stream, -21724)
;      stream.end()
;
;  describe 'int24le', ->
;    it 'should decode', ->
;      stream = new DecodeStream new Buffer [0x24, 0xab, 0xff]
;      int24le.decode(stream).should.equal -21724
;
;    it 'should have a size', ->
;      int24le.size().should.equal 3
;
;    it 'should encode', (done) ->
;      stream = new EncodeStream
;      stream.pipe concat (buf) ->
;        buf.should.deep.equal new Buffer [0x24, 0xab, 0xff]
;        done()
;
;      int24le.encode(stream, -21724)
;      stream.end()
;
;  describe 'int32', ->
;    it 'is an alias for int32be', ->
;      int32.should.equal int32be
;
;  describe 'int32be', ->
;    it 'should decode', ->
;      stream = new DecodeStream new Buffer [0xff, 0xab, 0x24, 0xbf]
;      int32be.decode(stream).should.equal -5561153
;
;    it 'should have a size', ->
;      int32be.size().should.equal 4
;
;    it 'should encode', (done) ->
;      stream = new EncodeStream
;      stream.pipe concat (buf) ->
;        buf.should.deep.equal new Buffer [0xff, 0xab, 0x24, 0xbf]
;        done()
;
;      int32be.encode(stream, -5561153)
;      stream.end()
;
;  describe 'int32le', ->
;    it 'should decode', ->
;      stream = new DecodeStream new Buffer [0xbf, 0x24, 0xab, 0xff]
;      int32le.decode(stream).should.equal -5561153
;
;    it 'should have a size', ->
;      int32le.size().should.equal 4
;
;    it 'should encode', (done) ->
;      stream = new EncodeStream
;      stream.pipe concat (buf) ->
;        buf.should.deep.equal new Buffer [0xbf, 0x24, 0xab, 0xff]
;        done()
;
;      int32le.encode(stream, -5561153)
;      stream.end()
;
;  describe 'float', ->
;    it 'is an alias for floatbe', ->
;      float.should.equal floatbe
;
;  describe 'floatbe', ->
;    it 'should decode', ->
;      stream = new DecodeStream new Buffer [0x43, 0x7a, 0x8c, 0xcd]
;      floatbe.decode(stream).should.be.closeTo 250.55, 0.005
;
;    it 'should have a size', ->
;      floatbe.size().should.equal 4
;
;    it 'should encode', (done) ->
;      stream = new EncodeStream
;      stream.pipe concat (buf) ->
;        buf.should.deep.equal new Buffer [0x43, 0x7a, 0x8c, 0xcd]
;        done()
;
;      floatbe.encode(stream, 250.55)
;      stream.end()
;
;  describe 'floatle', ->
;    it 'should decode', ->
;      stream = new DecodeStream new Buffer [0xcd, 0x8c, 0x7a, 0x43]
;      floatle.decode(stream).should.be.closeTo 250.55, 0.005
;
;    it 'should have a size', ->
;      floatle.size().should.equal 4
;
;    it 'should encode', (done) ->
;      stream = new EncodeStream
;      stream.pipe concat (buf) ->
;        buf.should.deep.equal new Buffer [0xcd, 0x8c, 0x7a, 0x43]
;        done()
;
;      floatle.encode(stream, 250.55)
;      stream.end()
;
;  describe 'double', ->
;    it 'is an alias for doublebe', ->
;      double.should.equal doublebe
;
;  describe 'doublebe', ->
;    it 'should decode', ->
;      stream = new DecodeStream new Buffer [0x40, 0x93, 0x4a, 0x3d, 0x70, 0xa3, 0xd7, 0x0a]
;      doublebe.decode(stream).should.be.equal 1234.56
;
;    it 'should have a size', ->
;      doublebe.size().should.equal 8
;
;    it 'should encode', (done) ->
;      stream = new EncodeStream
;      stream.pipe concat (buf) ->
;        buf.should.deep.equal new Buffer [0x40, 0x93, 0x4a, 0x3d, 0x70, 0xa3, 0xd7, 0x0a]
;        done()
;
;      doublebe.encode(stream, 1234.56)
;      stream.end()
;
;  describe 'doublele', ->
;    it 'should decode', ->
;      stream = new DecodeStream new Buffer [0x0a, 0xd7, 0xa3, 0x70, 0x3d, 0x4a, 0x93, 0x40]
;      doublele.decode(stream).should.be.equal 1234.56
;
;    it 'should have a size', ->
;      doublele.size().should.equal 8
;
;    it 'should encode', (done) ->
;      stream = new EncodeStream
;      stream.pipe concat (buf) ->
;        buf.should.deep.equal new Buffer [0x0a, 0xd7, 0xa3, 0x70, 0x3d, 0x4a, 0x93, 0x40]
;        done()
;
;      doublele.encode(stream, 1234.56)
;      stream.end()
;
;  describe 'fixed16', ->
;    it 'is an alias for fixed16be', ->
;      fixed16.should.equal fixed16be
;
;  describe 'fixed16be', ->
;    it 'should decode', ->
;      stream = new DecodeStream new Buffer [0x19, 0x57]
;      fixed16be.decode(stream).should.be.closeTo 25.34, 0.005
;
;    it 'should have a size', ->
;      fixed16be.size().should.equal 2
;
;    it 'should encode', (done) ->
;      stream = new EncodeStream
;      stream.pipe concat (buf) ->
;        buf.should.deep.equal new Buffer [0x19, 0x57]
;        done()
;
;      fixed16be.encode(stream, 25.34)
;      stream.end()
;
;  describe 'fixed16le', ->
;    it 'should decode', ->
;      stream = new DecodeStream new Buffer [0x57, 0x19]
;      fixed16le.decode(stream).should.be.closeTo 25.34, 0.005
;
;    it 'should have a size', ->
;      fixed16le.size().should.equal 2
;
;    it 'should encode', (done) ->
;      stream = new EncodeStream
;      stream.pipe concat (buf) ->
;        buf.should.deep.equal new Buffer [0x57, 0x19]
;        done()
;
;      fixed16le.encode(stream, 25.34)
;      stream.end()
;
;  describe 'fixed32', ->
;    it 'is an alias for fixed32be', ->
;      fixed32.should.equal fixed32be
;
;  describe 'fixed32be', ->
;    it 'should decode', ->
;      stream = new DecodeStream new Buffer [0x00, 0xfa, 0x8c, 0xcc]
;      fixed32be.decode(stream).should.be.closeTo 250.55, 0.005
;
;    it 'should have a size', ->
;      fixed32be.size().should.equal 4
;
;    it 'should encode', (done) ->
;      stream = new EncodeStream
;      stream.pipe concat (buf) ->
;        buf.should.deep.equal new Buffer [0x00, 0xfa, 0x8c, 0xcc]
;        done()
;
;      fixed32be.encode(stream, 250.55)
;      stream.end()
;
;  describe 'fixed32le', ->
;    it 'should decode', ->
;      stream = new DecodeStream new Buffer [0xcc, 0x8c, 0xfa, 0x00]
;      fixed32le.decode(stream).should.be.closeTo 250.55, 0.005
;
;    it 'should have a size', ->
;      fixed32le.size().should.equal 4
;
;    it 'should encode', (done) ->
;      stream = new EncodeStream
;      stream.pipe concat (buf) ->
;        buf.should.deep.equal new Buffer [0xcc, 0x8c, 0xfa, 0x00]
;        done()
;
;      fixed32le.encode(stream, 250.55)
;      stream.end()