diff --git a/test/simple.py b/test/simple.py
new file mode 100644
index 0000000000000000000000000000000000000000..dba0713545eb3a32b6d47db0b7bd6beb4c05c33f
--- /dev/null
+++ b/test/simple.py
@@ -0,0 +1,14 @@
+from pymbolic import parse, var
+from pymbolic.mapper.dependency import DependencyMapper
+
+x = var("x")
+y = var("y")
+
+expr2 = 3*x+5-y
+expr = parse("3*x+5-y")
+
+print expr
+print expr2
+
+dm = DependencyMapper()
+print dm(expr)