Comments (3)
CodaFi
commented on June 19, 2024
From there use
∃! {x} . P x ≡ (P x /\ ¬ ∃ {y} . (P y /\ y ≠ x))For uniqueness.
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CodaFi
commented on June 19, 2024
So this says... We expectFailure on the property then expectFailure on each test case. Seems awfully wasteful. Must disable shrinking too while we're at it ('cause it doesn't make sense). Will have to bring back once.
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CodaFi
commented on June 19, 2024
What if...
Isn't this just (extensionally) the same as expectFailure on the outside. Then we let the shrinker loop search for a minimum passing value and map it back to success.
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Related Issues (20)
- How to define arbitrary extensions for recursive datatypes? HOT 5
- Preferred idiom for testing exception-throwing code HOT 1
- Generator is not used during shrinking. HOT 2
- no Gen.let or heterogeneous sequence/tuple? HOT 7
- `forAll` doesn't support explicit generator being passed HOT 9
- Gen.frequency seems to fixate on a single generator for a single run HOT 1
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- allow specifying seed so that `generate` can be repeatable. HOT 14
- How exactly to rerun failed examples? HOT 5
- Doesn't compile with Xcode 10.2 HOT 1
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- StdGen.genRange seems to have wrong value HOT 2
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