1 files changed, 47 insertions, 0 deletions
diff --git a/tests/Properties/View.hs b/tests/Properties/View.hs
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+++ b/tests/Properties/View.hs
@@ -0,0 +1,47 @@
+{-# LANGUAGE ScopedTypeVariables #-}
+module Properties.View where
+
+import Test.QuickCheck
+import Instances
+import Utils
+
+import XMonad.StackSet hiding (filter)
+
+import Data.List (sortBy)
+
+-- ---------------------------------------------------------------------
+-- viewing workspaces
+
+-- view sets the current workspace to 'n'
+prop_view_current (x :: T) = do
+    n <- arbitraryTag x
+    return $ (tag . workspace . current . view n) x == n
+
+-- view *only* sets the current workspace, and touches Xinerama.
+-- no workspace contents will be changed.
+prop_view_local  (x :: T) = do
+    n <- arbitraryTag x
+    return $ workspaces x == workspaces (view n x)
+  where
+    workspaces a = sortBy (\s t -> tag s `compare` tag t) $
+                                    workspace (current a)
+                                    : map workspace (visible a) ++ hidden a
+
+-- TODO: Fix this
+-- view should result in a visible xinerama screen
+-- prop_view_xinerama (x :: T) (n :: NonNegative Int) = i `tagMember` x ==>
+--     M.member i (screens (view i x))
+--   where
+--     i = fromIntegral n
+
+-- view is idempotent
+prop_view_idem (x :: T) = do
+    n <- arbitraryTag x
+    return $ view n (view n x) == (view n x)
+
+-- view is reversible, though shuffles the order of hidden/visible
+prop_view_reversible (x :: T) = do
+    n <- arbitraryTag x
+    return $ normal (view n' (view n x)) == normal x
+  where
+    n' = currentTag x