Use testsets instead of FactCheck.

Define arithmetic between DArray and Array. It used to either fail or fall back
to the very inefficient AbstractArray implementation.

Enable test that had been disabled because of a bug in Base. The bug is fixed now.

Author: andreasnoack

src/DistributedArrays.jl

@@ -902,13 +902,17 @@ for f in (:+, :-, :div, :mod, :rem, :&, :|, :$)
             B = samedist(A, B)
             map_localparts($f, A, B)
         end
+        ($f){T}(A::DArray{T}, B::Array{T}) = ($f)(A, distribute(B, A))
+        ($f){T}(A::Array{T}, B::DArray{T}) = ($f)(distribute(A, B), B)
     end
 end
 for f in (:.+, :.-, :.*, :./, :.%, :.<<, :.>>)
     @eval begin
         function ($f){T}(A::DArray{T}, B::DArray{T})
             map_localparts($f, A, B)
         end
+        ($f){T}(A::DArray{T}, B::Array{T}) = ($f)(A, distribute(B, A))
+        ($f){T}(A::Array{T}, B::DArray{T}) = ($f)(distribute(A, B), B)
     end
 end
 

test/REQUIRE

@@ -1,2 +1,2 @@
-FactCheck 0.2.3-
 StatsBase
+BaseTestNext