1 files changed, 20 insertions, 0 deletions
diff --git a/validator_derive/tests/compile-fail/schema/missing_function.rs b/validator_derive/tests/compile-fail/schema/missing_function.rs
new file mode 100644
index 0000000..cacb328
--- /dev/null
+++ b/validator_derive/tests/compile-fail/schema/missing_function.rs
@@ -0,0 +1,20 @@
+#![feature(proc_macro, attr_literals)]
+
+#[macro_use] extern crate validator_derive;
+extern crate validator;
+use validator::Validate;
+
+#[derive(Validate)]
+//~^ ERROR: custom derive attribute panicked
+//~^^ HELP: Invalid schema level validation: `function` is required
+#[validate(schema())]
+struct Test {
+    s: i32,
+}
+
+fn hey(_: &Test) -> Option<(String, String)> {
+    None
+}
+
+
+fn main() {}