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61 lines
1.5 KiB
Idris
61 lines
1.5 KiB
Idris
module TestBuffer
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import Data.Buffer
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import System.File
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put : Show a => IO a -> IO ()
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put = (>>= putStrLn . show)
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main : IO ()
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main = do
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Just buf <- newBuffer 37
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| Nothing => pure ()
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-- TODO: setByte is deprecated, remove once no longer in libs
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setByte buf 0 1
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setBits8 buf 1 2
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setBits16 buf 2 3
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setBits16 buf 4 4
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setInt buf 8 0x1122334455667788
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setDouble buf 16 (sqrt 2)
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let helloWorld = "Hello, world"
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Just helloWorldBuf <- newBuffer (stringByteLength helloWorld)
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| Nothing => pure ()
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setString helloWorldBuf 0 "Hello, world"
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copyData helloWorldBuf 0 12 buf 24
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put $ rawSize buf
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-- TODO: getByte is deprecated, remove once no longer in libs
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put $ getByte buf 0
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put $ getBits8 buf 1
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put $ getBits16 buf 2
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put $ getBits32 buf 4
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put $ getInt buf 8
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put $ getDouble buf 16
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put $ getString buf 24 12
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put $ bufferData' buf
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Just readBuf <- newBuffer 8
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| Nothing => pure ()
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Right f <- openFile "testRead.buf" Read
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| Left err => put $ pure err
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Right 8 <- readBufferData f readBuf 0 8
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| Right size => put $ pure "\{show size} bytes have been read, 8 expected"
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| Left err => put $ pure err
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put $ bufferData' readBuf
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Just writeBuf <- newBuffer 8
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| Nothing => pure ()
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setInt writeBuf 0 0x7766554433221100
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Right f <- openFile "testWrite.buf" WriteTruncate
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| Left err => put $ pure err
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Right () <- writeBufferData f writeBuf 0 8
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| Left err => put $ pure err
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pure ()
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