test typeasserts

Author: rdeits

src/marching_cubes.jl

@@ -412,6 +412,6 @@ end
 
 MarchingCubes(iso::T1=0.0, eps::T2=1e-3) where {T1, T2} = MarchingCubes{promote_type(T1, T2)}(iso, eps)
 
-function (::Type{MT})(df::SignedDistanceField, method::MarchingCubes) where {MT <: AbstractMesh}
+function (::Type{MT})(df::SignedDistanceField, method::MarchingCubes)::MT where {MT <: AbstractMesh}
      marching_cubes(df, method.iso, MT, method.eps)
 end

test/runtests.jl

@@ -59,7 +59,7 @@ using GeometryTypes
         sdf = SignedDistanceField(f, bounds, resolution)
 
         for algorithm in (MarchingCubes(0.5), MarchingTetrahedra(0.5))
-            mesh = GLNormalMesh(sdf, algorithm)
+            mesh = @inferred GLNormalMesh(sdf, algorithm)
             # should be centered on the origin
             @test mean(vertices(mesh)) ≈ [0, 0, 0] atol=0.15*resolution
             # and should be symmetric about the origin