test: add test for BSplineInterpolation

test/Blocks/sources.jl

@@ -480,16 +480,31 @@ end
 @testset "ParametrizedInterpolation" begin
  @variables y(t) = 0
  @parameters u[1:15] = rand(15)
- @parameters x[1:15] = 0:14
+ @parameters x[1:15] = 0:14.0
 
- @named i = ParametrizedInterpolation(LinearInterpolation, u, x)
- eqs = [D(y) ~ i.output.u]
+ @testset "LinearInterpolation" begin
+ @named i = ParametrizedInterpolation(LinearInterpolation, u, x)
+ eqs = [D(y) ~ i.output.u]
 
- @named model = ODESystem(eqs, t, systems = [i])
- sys = structural_simplify(model)
+  @named model = ODESystem(eqs, t, systems = [i])
+  sys = structural_simplify(model)
 
- prob = ODEProblem(sys, [], (0.0, 4))
- sol = solve(prob)
+  prob = ODEProblem(sys, [], (0.0, 4))
+  sol = solve(prob)
 
- @test SciMLBase.successful_retcode(sol)
+ @test SciMLBase.successful_retcode(sol)
+ end
+
+ @testset "BSplineInterpolation" begin
+ @named i = ParametrizedInterpolation(BSplineInterpolation, u, x, 3, :Uniform, :Uniform)
+ eqs = [D(y) ~ i.output.u]
+
+ @named model = ODESystem(eqs, t, systems = [i])
+ sys = structural_simplify(model)
+
+ prob = ODEProblem(sys, [], (0.0, 4))
+ sol = solve(prob)
+
+ @test SciMLBase.successful_retcode(sol)
+ end
 end