diff --git a/tests/schemas/test_generics.capnp b/tests/schemas/test_generics.capnp
new file mode 100644
index 0000000..557a46f
--- /dev/null
+++ b/tests/schemas/test_generics.capnp
@@ -0,0 +1,10 @@
+@0xe1f2a3b4c5d6e7f9;
+
+struct Holder(T) {
+  value @0 :T;
+}
+
+struct Container {
+  textHolder @0 :Holder(Text);
+  dataHolder @1 :Holder(Data);
+}