diff --git a/tests/resources/rstest/convert_string_literal.rs b/tests/resources/rstest/convert_string_literal.rs
index 52a3927..0d8f512 100644
--- a/tests/resources/rstest/convert_string_literal.rs
+++ b/tests/resources/rstest/convert_string_literal.rs
@@ -46,3 +46,10 @@ fn not_convert_impl(#[case] that_impl: impl MyTrait, #[case] s: &str) {
     assert_eq!(42, that_impl.my_trait());
     assert_eq!(42, s.my_trait());
 }
+
+#[rstest]
+#[case("1.2.3.4", "1.2.3.4:42")]
+#[case("1.2.3.4".to_owned(), "1.2.3.4:42")]
+fn not_convert_generics<S: AsRef<str>>(#[case] ip: S, #[case] addr: SocketAddr) {
+    assert_eq!(addr.ip().to_string(), ip.as_ref());
+}
diff --git a/tests/rstest/mod.rs b/tests/rstest/mod.rs
index 253afb5..8a1bdd4 100644
--- a/tests/rstest/mod.rs
+++ b/tests/rstest/mod.rs
@@ -845,6 +845,8 @@ fn convert_string_literal() {
         .fail("values::addr_4")
         .ok("not_convert_byte_array::case_1::values_1")
         .ok("not_convert_impl::case_1")
+        .ok("not_convert_generics::case_1")
+        .ok("not_convert_generics::case_2")
         .assert(output);
 }