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Fix shrinker for ProtocolParameters. #3205

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merged 1 commit into from
Mar 30, 2022
+16 −12
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Fix shrinker for ProtocolParameters. #3205

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28 changes: 16 additions & 12 deletions lib/core/test/unit/Cardano/Wallet/DB/Arbitrary.hs
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Original file line number Diff line number Diff line change
Expand Up @@ -11,7 +11,6 @@
{-# LANGUAGE NumericUnderscores #-}
{-# LANGUAGE OverloadedLabels #-}
{-# LANGUAGE RankNTypes #-}
{-# LANGUAGE RecordWildCards #-}
{-# LANGUAGE ScopedTypeVariables #-}
{-# LANGUAGE StandaloneDeriving #-}
{-# LANGUAGE TypeApplications #-}
Expand Down Expand Up @@ -174,6 +173,8 @@ import Data.Word.Odd
( Word31 )
import Fmt
( Buildable (..), Builder, blockListF', prefixF, suffixF, tupleF )
import Generics.SOP
( NP (..) )
import GHC.Generics
( Generic )
import Numeric.Natural
Expand Down Expand Up @@ -205,6 +206,8 @@ import Test.QuickCheck
)
import Test.QuickCheck.Arbitrary.Generic
( genericArbitrary )
import Test.QuickCheck.Extra
( genericRoundRobinShrink, (<:>), (<@>) )
import Test.Utils.Time
( genUniformTime )

Expand Down Expand Up @@ -665,17 +668,18 @@ arbitrarySharedAccount =
-------------------------------------------------------------------------------}

instance Arbitrary ProtocolParameters where
shrink ProtocolParameters {..} = ProtocolParameters
<$> shrink decentralizationLevel
<*> shrink txParameters
<*> shrink desiredNumberOfStakePools
<*> shrink minimumUTxOvalue
<*> shrink stakeKeyDeposit
<*> shrink eras
<*> shrink maximumCollateralInputCount
<*> shrink minimumCollateralPercentage
<*> shrink executionUnitPrices
<*> pure Nothing
shrink = genericRoundRobinShrink
<@> shrink
<:> shrink
<:> shrink
<:> shrink
<:> shrink
<:> shrink
<:> shrink
<:> shrink
<:> shrink
<:> const []
<:> Nil
arbitrary = ProtocolParameters
<$> arbitrary
<*> arbitrary
Expand Down