add tests

Author: dlfivefifty

src/disk.jl

@@ -53,13 +53,19 @@ struct ZernikeWeight{T} <: Weight{T}
     b::T
 end
 
+
 """
     ZernikeWeight(b)
 
 is a quasi-vector representing `(1-r^2)^b`
 """
 
 ZernikeWeight(b) = ZernikeWeight(zero(b), b)
+ZernikeWeight{T}(b) where T = ZernikeWeight{T}(zero(T), b)
+ZernikeWeight{T}() where T = ZernikeWeight{T}(zero(T))
+ZernikeWeight() = ZernikeWeight{Float64}()
+
+copy(w::ZernikeWeight) = w
 
 axes(::ZernikeWeight{T}) where T = (Inclusion(UnitDisk{T}()),)
 

test/test_disk.jl

@@ -10,6 +10,13 @@ import ClassicalOrthogonalPolynomials: HalfWeighted
 
         @test Zernike() == Zernike()
         @test Zernike(1) ≠ Zernike()
+        @test Zernike() ≡ copy(Zernike())
+
+        @test ZernikeWeight() == ZernikeWeight() == ZernikeWeight(0,0) == 
+                ZernikeWeight(0) == ZernikeWeight{Float64}() == 
+                ZernikeWeight{Float64}(0) == ZernikeWeight{Float64}(0, 0)
+        @test ZernikeWeight(1) ≠ ZernikeWeight()
+        @test ZernikeWeight() ≡ copy(ZernikeWeight())
     end
 
     @testset "Evaluation" begin