Add tests for pipe chaining

Author: mkitti

src/Interpolations.jl

@@ -109,8 +109,7 @@ struct InPlaceQ{GT<:Union{GridType,Nothing}} <: BoundaryCondition gt::GT end
 const Natural = Line
 
 (::Type{BC})() where BC<:BoundaryCondition = BC(nothing)
-# (::Type{BC})(::Type{GT}) where {GT <: GridType, BC<:BoundaryCondition} = BC{GT}(GT())
-for BC in (:Throw, :Flat, :Line, :Free, :Reflect, :InPlace)
+for BC in (:Throw, :Flat, :Line, :Free, :Reflect, :InPlace, :InPlaceQ, :Periodic)
     eval(quote
         $BC(::Type{GT}) where GT <: GridType = $BC{GT}(GT())
         $BC{GT}(::Type{GT}) where GT <: GridType = $BC{GT}(GT())

test/runtests.jl

@@ -50,6 +50,7 @@ const isci = get(ENV, "CI", "") in ("true", "True")
     include("convenience-constructors.jl")
     include("readme-examples.jl")
     include("iterate.jl")
+    include("pipes.jl")
 
     # Chain rules interaction
     include("chainrules.jl")