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incorrect invariant test for greedyView

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This commit is contained in:
Don Stewart
2008-02-25 18:03:50 +00:00
parent 9d9acba45f
commit 3303c6e05d
1 changed files with 9 additions and 1 deletions
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10
tests/Properties.hs
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@@ -139,7 +139,7 @@ prop_view_I (n :: NonNegative Int) (x :: T) =
n `tagMember` x ==> invariant $ view (fromIntegral n) x n `tagMember` x ==> invariant $ view (fromIntegral n) x
prop_greedyView_I (n :: NonNegative Int) (x :: T) = prop_greedyView_I (n :: NonNegative Int) (x :: T) =
n `tagMember` x ==> invariant $ view (fromIntegral n) x n `tagMember` x ==> invariant $ greedyView (fromIntegral n) x
prop_focusUp_I (n :: NonNegative Int) (x :: T) = prop_focusUp_I (n :: NonNegative Int) (x :: T) =
invariant $ foldr (const focusUp) x [1..n] invariant $ foldr (const focusUp) x [1..n]
@@ -236,6 +236,13 @@ prop_greedyView_current (x :: T) (n :: NonNegative Int) = i `tagMember` x ==>
where where
i = fromIntegral n i = fromIntegral n
-- greedyView leaves things unchanged for invalid workspaces
prop_greedyView_current_id (x :: T) (n :: NonNegative Int) = not (i `tagMember` x) ==>
tag (workspace $ current (greedyView i x)) == j
where
i = fromIntegral n
j = tag (workspace (current x))
-- greedyView *only* sets the current workspace, and touches Xinerama. -- greedyView *only* sets the current workspace, and touches Xinerama.
-- no workspace contents will be changed. -- no workspace contents will be changed.
prop_greedyView_local (x :: T) (n :: NonNegative Int) = i `tagMember` x ==> prop_greedyView_local (x :: T) (n :: NonNegative Int) = i `tagMember` x ==>
@@ -675,6 +682,7 @@ main = do
,("greedyView : invariant" , mytest prop_greedyView_I) ,("greedyView : invariant" , mytest prop_greedyView_I)
,("greedyView sets current" , mytest prop_greedyView_current) ,("greedyView sets current" , mytest prop_greedyView_current)
,("greedyView is safe " , mytest prop_greedyView_current_id)
,("greedyView idempotent" , mytest prop_greedyView_idem) ,("greedyView idempotent" , mytest prop_greedyView_idem)
,("greedyView reversible" , mytest prop_greedyView_reversible) ,("greedyView reversible" , mytest prop_greedyView_reversible)
,("greedyView is local" , mytest prop_greedyView_local) ,("greedyView is local" , mytest prop_greedyView_local)