[#26] Property tests: rewind & duplicate #331
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| xGen <- forAll $ Gen.int (Range.linear (-200) 200) | ||
| digit <- forAll $ Gen.int (Range.linear 1 9) | ||
| let x = if xGen `rem` 10 == 0 then xGen + digit else xGen | ||
| (firstDigit x :: Int) === (lastDigit (reverseInt x) :: Int) |
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Warning: Redundant do
it "last digit is the first digit of the reversed number" $
hedgehog $
do xGen <- forAll $ Gen.int (Range.linear (-200) 200)
digit <- forAll $ Gen.int (Range.linear 1 9)
let x = if xGen `rem` 10 == 0 then xGen + digit else xGen
(firstDigit x :: Int) === (lastDigit (reverseInt x) :: Int)
| describe "Task6: duplicate property" $ do | ||
| it "length (duplicate xs) = 2 * length xs" $ hedgehog $ do | ||
| xs <- forAll $ Gen.list (Range.linear 0 10) Gen.bool | ||
| length (duplicate xs) === 2 * length xs |
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Warning: Redundant do
it "length (duplicate xs) = 2 * length xs" $
hedgehog $
do xs <- forAll $ Gen.list (Range.linear 0 10) Gen.bool
length (duplicate xs) === 2 * length xs
chshersh
approved these changes
Nov 1, 2020
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Part of #26