[fix] corrected replicateProp1

Author: dalvescb

HaskellExercises05/stack.yaml.lock

@@ -6,7 +6,7 @@
 packages: []
 snapshots:
 - completed:
-    size: 533252
-    url: https://raw.githubusercontent.com/commercialhaskell/stackage-snapshots/master/lts/16/27.yaml
-    sha256: c2aaae52beeacf6a5727c1010f50e89d03869abfab6d2c2658ade9da8ed50c73
-  original: lts-16.27
+    size: 534126
+    url: https://raw.githubusercontent.com/commercialhaskell/stackage-snapshots/master/lts/16/31.yaml
+    sha256: 637fb77049b25560622a224845b7acfe81a09fdb6a96a3c75997a10b651667f6
+  original: lts-16.31

HaskellExercises05/test/Spec.hs

@@ -80,7 +80,7 @@ replicateProp1 :: Int -> Int -> Bool
 replicateProp1 n x =
   let
     repls = E5.replicate n x
-  in length repls == n
+  in (length repls == n) || (n < 0 && length repls == 0)
 
 -- | QuickCheck proposition for testing Exercises05.!!
 indexProp :: [Int] -> Int -> Bool