1 files changed, 19 insertions, 0 deletions
diff --git a/tests/configuration_expression.ml b/tests/configuration_expression.ml
index a5c4755..fc4c0ec 100644
--- a/tests/configuration_expression.ml
+++ b/tests/configuration_expression.ml
@@ -224,6 +224,23 @@ let priority_operator_or =
           (Or, BOperator (Different, Integer "1", Integer "1"), Integer "0")))
     result
 
+let unknown_function =
+  "unknown function" >:: fun _ ->
+  let expr = "function()" in
+  let result = ImportConf.expression_from_string expr in
+
+  assert_equal ~printer
+    (Error "Unknown function or wrong number of arguments for 'function'")
+    result
+
+let wrong_arguments =
+  "unknown function" >:: fun _ ->
+  let expr = "if()" in
+  let result = ImportConf.expression_from_string expr in
+
+  assert_equal ~printer
+    (Error "Unknown function or wrong number of arguments for 'if'") result
+
 let test_suit =
   [
     parse_dquoted;
@@ -248,6 +265,8 @@ let test_suit =
     priority_equality;
     priority_operator_and;
     priority_operator_or;
+    unknown_function;
+    wrong_arguments;
   ]
 
 let tests = "configuration_expression" >::: test_suit