From 73888d95eae2a45d78b61c475020f617fa282679 Mon Sep 17 00:00:00 2001
From: Joshua Liebow-Feeser <joshlf@users.noreply.github.com>
Date: Fri, 17 May 2024 13:01:42 -0700
Subject: [PATCH] Expand test_macros_evaluate_args_once to test more (#1287)

In particular, add tests for `transmute_mut!` and `try_transmute!`.
---
 src/lib.rs | 15 +++++++++++++++
 1 file changed, 15 insertions(+)

diff --git a/src/lib.rs b/src/lib.rs
index 2eae07f9ee..084d5fe743 100644
--- a/src/lib.rs
+++ b/src/lib.rs
@@ -5729,6 +5729,21 @@ mod tests {
             &0usize
         });
         assert_eq!(ctr, 1);
+
+        let mut ctr: usize = 0;
+        let _: &mut usize = transmute_mut!({
+            ctr += 1;
+            &mut ctr
+        });
+        assert_eq!(ctr, 1);
+
+        let mut ctr = 0;
+        let _: usize = try_transmute!({
+            ctr += 1;
+            0usize
+        })
+        .unwrap();
+        assert_eq!(ctr, 1);
     }
 
     #[test]