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82 lines
2.7 KiB
Racket
82 lines
2.7 KiB
Racket
8 years ago
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#lang restructure/racket
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(require "array.rkt" "stream.rkt" "number.rkt" rackunit)
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#|
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approximates
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https://github.com/mbutterick/restructure/blob/master/test/Array.coffee
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|#
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;; it 'should decode fixed length', ->
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(let ([stream (+DecodeStream (bytes 1 2 3 4 5))]
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[array (+Array uint8 4)])
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(check-equal? (send array decode stream) '(1 2 3 4)))
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;; todo
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;; it 'should decode fixed amount of bytes', ->
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#;(let ([stream (+DecodeStream (bytes 1 2 3 4 5))]
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[array (+Array uint16be 4 'bytes)])
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(check-equal? (send array decode stream) '(258 772)))
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;; todo
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;; it 'should decode length from parent key', ->
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#;(let ([stream (+DecodeStream (bytes 1 2 3 4 5))]
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[array (+Array uint8 4 'len)])
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(check-equal? (send array decode stream (mhash 'len 4)) '(1 2 3 4)))
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;; todo
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;; it 'should decode amount of bytes from parent key', ->
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#;(let ([stream (+DecodeStream (bytes 1 2 3 4 5))]
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[array (+Array uint16be 'len 'bytes)])
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(check-equal? (send array decode stream (mhash 'len 4)) '(258 772)))
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;; todo
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;; it 'should decode length as number before array', ->
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#;(let ([stream (+DecodeStream (bytes 1 2 3 4 5))]
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[array (+Array uint8 uint8)])
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(check-equal? (send array decode stream (mhash 'len 4)) '(1 2 3 4)))
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;; todo
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;; it 'should decode amount of bytes as number before array', ->
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#;(let ([stream (+DecodeStream (bytes 4 1 2 3 4 5))]
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[array (+Array uint16be uint8 'bytes)])
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(check-equal? (send array decode stream) '(258 772)))
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;; it 'should decode length from function', ->
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(let ([stream (+DecodeStream (bytes 1 2 3 4 5))]
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[array (+Array uint8 (λ _ 4))])
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(check-equal? (send array decode stream) '(1 2 3 4)))
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;; todo
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;; it 'should decode amount of bytes from function', ->
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#;(let ([stream (+DecodeStream (bytes 4 1 2 3 4 5))]
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[array (+Array uint16be (λ _ 4) 'bytes)])
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(check-equal? (send array decode stream) '(258 772)))
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;; todo
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;; it 'should decode to the end of the parent if no length is given', ->
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#;(let ([stream (+DecodeStream (bytes 1 2 3 4 5))]
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[array (+Array uint8)])
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(check-equal? (send array decode stream (mhash '_length 4 '_startOffset 0)) '(1 2 3 4)))
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;; it 'should decode to the end of the stream if no parent and length is given', ->
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(let ([stream (+DecodeStream (bytes 1 2 3 4))]
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[array (+Array uint8)])
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(check-equal? (send array decode stream) '(1 2 3 4)))
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;; it 'should use array length', ->
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(let ([array (+Array uint8 10)])
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(check-equal? (send array size '(1 2 3 4)) 4))
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;; todo
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;; it 'should add size of length field before string', ->
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#;(let ([array (+Array uint8 uint8)])
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(check-equal? (send array size '(1 2 3 4)) 5))
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;; it 'should use defined length if no value given', ->
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(let ([array (+Array uint8 10)])
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(check-equal? (send array size) 10))
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