Use setdiffdomain in spaces tests (#340)

* Use setdiffdomain in spaces tests

* setdiffdomain in ODETest

* setdiffdomain in PDETest

* setdiffdomain in SpeedODETest

Author: jishnub

test/ODETest.jl

@@ -2,6 +2,7 @@ module ODETest
 
 using ApproxFunOrthogonalPolynomials
 using ApproxFunBase
+using DomainSets: setdiffdomain
 using SpecialFunctions
 using Test
 using LazyArrays
@@ -130,7 +131,7 @@ include("testutils.jl")
     end
 
     @testset "Union of intervals" begin
-        x=Fun(identity,(-2..15) \ [-1,0])
+        x=Fun(identity, setdiffdomain(-2..15, [-1,0]))
         sp=space(x)
 
         B = [Dirichlet(sp);continuity(sp,0:1)]

test/PDETest.jl

@@ -2,6 +2,7 @@ module PDETest
 
 using ApproxFunBase
 using ApproxFunOrthogonalPolynomials
+using DomainSets: setdiffdomain
 using LinearAlgebra
 using Test
 using ApproxFunBase: Block, ldiv_coefficients
@@ -275,7 +276,7 @@ include("testutils.jl")
     end
 
     @testset "concatenate InterlaceOperator" begin
-        a=Fun(x -> 0 ≤ x ≤ 0.5 ? 0.5 : 1, Domain(-1..1) \ [0,0.5])
+        a=Fun(x -> 0 ≤ x ≤ 0.5 ? 0.5 : 1, setdiffdomain(Domain(-1..1), [0,0.5]))
         @test a(0.1) == 0.5
         @test a(0.7) == 1.0
         s=space(a)

test/SpacesTest.jl

@@ -4,7 +4,7 @@ using ApproxFunOrthogonalPolynomials
 using SpecialFunctions
 using LinearAlgebra
 using Test
-using DomainSets: UnionDomain
+using DomainSets: UnionDomain, setdiffdomain
 using ApproxFunBase: space, SpaceOperator
 using ApproxFunBaseTest: testbandedoperator, testraggedbelowoperator,
                         testtransforms, testfunctional
@@ -90,7 +90,7 @@ using ApproxFunBaseTest: testbandedoperator, testraggedbelowoperator,
         @test norm(max(x,x)-x)<100eps()
         @test norm(min(x,x)-x)<100eps()
 
-        f3=Fun(x->x<-0.05 ? -1.0 : (x<0.45 ? 4*(x-.2) : 1), (-1..1) \ [-0.05,0.45])
+        f3=Fun(x->x<-0.05 ? -1.0 : (x<0.45 ? 4*(x-.2) : 1), setdiffdomain(-1..1, [-0.05,0.45]))
         @test norm(f2.(range(-1,stop=1,length=10))-f3.(range(-1,stop=1,length=10))) < 4eps()
     end
 
@@ -332,7 +332,7 @@ using ApproxFunBaseTest: testbandedoperator, testraggedbelowoperator,
     end
 
     @testset "remove point" begin
-        f = Fun(identity, (-1..1) \ 0)
+        f = Fun(identity, setdiffdomain(-1..1, 0))
         @test f(0.1) ≈ 0.1
         @test f(-0.1) ≈ -0.1
     end

test/SpeedODETest.jl

@@ -1,6 +1,7 @@
 module SpeedODETest
 using ApproxFunOrthogonalPolynomials
 using SpecialFunctions
+using DomainSets: setdiffdomain
 using Test
 using ApproxFunBase: ldiv_coefficients
 using LinearAlgebra
@@ -82,7 +83,7 @@ println("Complex exp: Time should be 0.03")
 
 
 ## Piecewise
-x=Fun(identity,Domain(-20..15) \ [-10.,-5.,0.,1.])
+x=Fun(identity, setdiffdomain(Domain(-20..15), [-10.,-5.,0.,1.]))
 sp=space(x)
 D=Derivative(sp)
 B=[Dirichlet(sp);continuity(sp,0:1)]