1 files changed, 11 insertions, 0 deletions
diff --git a/examples/rust/hello_lib/src/greeter.rs b/examples/rust/hello_lib/src/greeter.rs
index 2a7d7153b9..bf332e4bd1 100644
--- a/examples/rust/hello_lib/src/greeter.rs
+++ b/examples/rust/hello_lib/src/greeter.rs
@@ -60,3 +60,14 @@ impl Greeter {
         println!("{} {}", &self.greeting, thing);
     }
 }
+
+#[cfg(test)]
+mod test {
+    use super::Greeter;
+
+    #[test]
+    fn test_greeting() {
+        let hello = Greeter::new("Hi");
+        assert_eq!("Hi Rust", hello.greeting("Rust"));
+    }
+}