diff --git a/test/tests.jl b/test/tests.jl
new file mode 100644
index 0000000000000000000000000000000000000000..d8dd67691b864522056f065967921bbed068ffe4
--- /dev/null
+++ b/test/tests.jl
@@ -0,0 +1,5 @@
+@assert isa(1,Polynom)
+@assert isa(1.0,Polynom)
+@assert isa([1.0; 1.0],Polynom)
+@assert isa(1.0,PolynomMatrix)
+@assert isa(1,PolynomMatrix)