KeyFrameSpec.hs

{-# LANGUAGE OverloadedStrings #-}

module Octane.Type.KeyFrameSpec (spec) where

import qualified Data.Binary as Binary
import qualified Data.Binary.Get as Binary
import qualified Data.ByteString.Lazy as BSL
import Octane
import Test.Tasty.Hspec

spec :: Spec
spec = describe "KeyFrame" $ do
    it "can be decoded" $ do
        decodeKeyFrame "\0\0\0\0\0\0\0\0\0\0\0\0" `shouldBe` Right ("", 12, KeyFrame (Float32LE 0.0) (Int32LE 0) (Int32LE 0))
        decodeKeyFrame "\0\0\128\63\2\0\0\0\3\0\0\0" `shouldBe` Right ("", 12, KeyFrame (Float32LE 1.0) (Int32LE 2) (Int32LE 3))
    it "can be encoded" $ do
        Binary.encode (KeyFrame (Float32LE 0.0) (Int32LE 0) (Int32LE 0)) `shouldBe` "\0\0\0\0\0\0\0\0\0\0\0\0"
        Binary.encode (KeyFrame (Float32LE 1.0) (Int32LE 2) (Int32LE 3)) `shouldBe` "\0\0\128\63\2\0\0\0\3\0\0\0"

decodeKeyFrame :: BSL.ByteString -> Either (BSL.ByteString, Binary.ByteOffset, String) (BSL.ByteString, Binary.ByteOffset, KeyFrame)
decodeKeyFrame = Binary.decodeOrFail