test(Interpolation): add tests for Interpolation inside model macro

Author: SebastianM-C

test/Blocks/sources.jl

@@ -500,6 +500,32 @@ end
     @test SciMLBase.successful_retcode(sol)
 end
 
+@testset "Interpolation in model macro" begin
+    itp = LinearInterpolation([1.0, 2.0, 3.0], [0.0, 0.5, 1.0])
+    @mtkmodel model_with_lut begin
+        @parameters begin
+            table_data[1:3] = [1.0, 2.0, 3.0]
+            table_bkp[1:3] = [0.0, 0.5, 1.0]
+        end
+
+        @components begin
+            src = Interpolation(itp)
+            clk = ContinuousClock()
+            model = MassSpringDamper()
+        end
+        @equations begin
+            connect(src.input, clk.output)
+            connect(src.output, model.input)
+        end
+    end;
+    @mtkbuild sys = model_with_lut()
+
+    prob = ODEProblem(sys, [], (0.0, 4))
+    sol = solve(prob, Tsit5())
+
+    @test SciMLBase.successful_retcode(sol)
+end
+
 @testset "ParametrizedInterpolation" begin
     @variables y(t) = 0
     u = rand(15)