-- | Coverage for @getvalue'@ ('Pqi.getvalue''): a copying cell read whose
-- bytes remain valid after the result is freed.
module Pqi.Conformance.Operation.GetvalueCopy
  ( spec,
  )
where

import qualified Pqi
import Pqi.Conformance.Harness
import Pqi.Conformance.Prelude
import Test.Hspec

spec :: Pqi.Adapter -> SpecWith ByteString
spec :: Adapter -> SpecWith ByteString
spec Adapter
adapter =
  String -> SpecWith ByteString -> SpecWith ByteString
forall a. HasCallStack => String -> SpecWith a -> SpecWith a
describe String
"getvalue'" do
    String
-> (ByteString -> IO ()) -> SpecWith (Arg (ByteString -> IO ()))
forall a.
(HasCallStack, Example a) =>
String -> a -> SpecWith (Arg a)
it String
"copies cells that survive freeing the result" \ByteString
conninfo ->
      Adapter
-> ByteString
-> (Connection -> IO (Maybe (Maybe ByteString, Maybe ByteString)))
-> IO ()
forall a.
(Eq a, Show a, HasCallStack) =>
Adapter -> ByteString -> (Connection -> IO a) -> IO ()
differential Adapter
adapter ByteString
conninfo \Connection
connection -> do
        result <- Connection -> ByteString -> IO (Maybe Result)
Pqi.exec Connection
connection ByteString
"select 'copied' :: text, null :: int4"
        for result \Result
r -> do
          first <- Result -> Int32 -> Int32 -> IO (Maybe ByteString)
Pqi.getvalue' Result
r Int32
0 Int32
0
          second <- Pqi.getvalue' r 0 1
          Pqi.unsafeFreeResult r
          pure (first, second)