From 6b27ca19d52ec6d4a4d85e4bd470410e79771ade Mon Sep 17 00:00:00 2001
From: Stephen Chung <schungx@live.com>
Date: Wed, 10 Nov 2021 22:10:03 +0800
Subject: [PATCH] Add function call bang test.

---
 tests/functions.rs | 23 +++++++++++++++++++++++
 1 file changed, 23 insertions(+)

diff --git a/tests/functions.rs b/tests/functions.rs
index e0b4af5a..3132907d 100644
--- a/tests/functions.rs
+++ b/tests/functions.rs
@@ -143,3 +143,26 @@ fn test_functions_global_module() -> Result<(), Box<EvalAltResult>> {
 
     Ok(())
 }
+
+#[test]
+fn test_functions_bang() -> Result<(), Box<EvalAltResult>> {
+    let engine = Engine::new();
+
+    assert_eq!(
+        engine.eval::<INT>(
+            "
+                fn foo() {
+                    hello + bar
+                }
+
+                let hello = 42;
+                let bar = 123;
+
+                foo!()
+            ",
+        )?,
+        165
+    );
+
+    Ok(())
+}