[squeak-dev] RawBitsArray vs. DataStream

Marcel Taeumel marcel.taeumel at hpi.de
Tue Nov 22 12:53:54 UTC 2022

Hi Eliot --

> Write a test :-)

My image freezes. It seems totally broken. That's why I asked. I wanted to learn more about the expected behavior. After that, I could write a test. ;-)

Am 22.11.2022 13:50:30 schrieb Eliot Miranda <eliot.miranda at gmail.com>:
Hi Marcel,

On Tue, Nov 22, 2022 at 1:58 AM Marcel Taeumel <marcel.taeumel at hpi.de [mailto:marcel.taeumel at hpi.de]> wrote:

Hi all --

Should the following work?

class := DoubleByteArray.
size := 10.
dummy := 123.

array := class new: size.
array  atAllPut: dummy.

(DataStream newFileNamed: 'numbers')
nextPut: array;

stream := DataStream fileNamed: 'numbers'. 
load := stream readArray.
stream close.
load explore

Write a test :-)

    ((RawBitsArray subclasses reject: #isAbstract), ((RawBitsArray subclasses select: #isAbstract) collect: #subclasses)) flatten do:
        [:class| | instance |
        instance := class new: 10.
        instance first isColor
                [1 to: instance size do: [:i| instance at: i put: (Color r: i * 1 g: i * 2 b: i * 3)]]
                [1 to: instance size do: [:i| instance at: i put: i]].
        self assert: instance equals: (self testObject: instance) description: 'A ', class name, ' should be serializable']

see Tests-eem.494




best, Eliot
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