From 43c30a93212a580a6e3c2b247f0d4d8787dd5e6c Mon Sep 17 00:00:00 2001
From: Simon Gardling <titaniumtown@gmail.com>
Date: Fri, 22 Apr 2022 09:34:34 -0400
Subject: [PATCH] add invalid_function_test

---
 src/function_handling/suggestions.rs | 22 ++++++++++++++++++++++
 1 file changed, 22 insertions(+)

diff --git a/src/function_handling/suggestions.rs b/src/function_handling/suggestions.rs
index 2344d3a..ead34f5 100644
--- a/src/function_handling/suggestions.rs
+++ b/src/function_handling/suggestions.rs
@@ -119,4 +119,26 @@ mod tests {
 			assert_eq!(value.to_string(), key);
 		}
 	}
+
+	#[test]
+	fn invalid_function_test() {
+		SUPPORTED_FUNCTIONS
+			.iter()
+			.map(|func1| {
+				SUPPORTED_FUNCTIONS
+					.iter()
+					.map(|func2| func1.to_string() + func2)
+					.collect::<Vec<String>>()
+			})
+			.flatten()
+			.filter(|func| !SUPPORTED_FUNCTIONS.contains(&func.as_str()))
+			.for_each(|key| {
+				println!("{}", key);
+				if generate_hint(&key).is_none() {
+					println!("success: {}", key);
+				} else {
+					panic!("failed: {}", key);
+				}
+			});
+	}
 }