diff --git a/examples/proc_macro/tests/greeting.rs b/examples/proc_macro/tests/greeting.rs
new file mode 100644
index 0000000..e58b639
--- /dev/null
+++ b/examples/proc_macro/tests/greeting.rs
@@ -0,0 +1,23 @@
+// Copyright 2020 The Bazel Authors. All rights reserved.
+//
+// Licensed under the Apache License, Version 2.0 (the "License");
+// you may not use this file except in compliance with the License.
+// You may obtain a copy of the License at
+//
+//    http://www.apache.org/licenses/LICENSE-2.0
+//
+// Unless required by applicable law or agreed to in writing, software
+// distributed under the License is distributed on an "AS IS" BASIS,
+// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+// See the License for the specific language governing permissions and
+// limitations under the License.
+
+use proc_macro_lib::HelloWorld;
+
+#[derive(HelloWorld)]
+struct TestStruct {}
+
+#[test]
+fn test_hello_world_macro() {
+    let _ = TestStruct {};
+}