From 79d1684cd33e329d8cf7919af3c1d86e4b8c02dc Mon Sep 17 00:00:00 2001
From: David Tolnay <dtolnay@gmail.com>
Date: Fri, 17 May 2024 10:42:12 -0700
Subject: [PATCH] Add test of ensure through a Not impl

---
 tests/test_macros.rs | 10 ++++++++++
 1 file changed, 10 insertions(+)

diff --git a/tests/test_macros.rs b/tests/test_macros.rs
index 10740a9..55e0fc9 100644
--- a/tests/test_macros.rs
+++ b/tests/test_macros.rs
@@ -15,6 +15,7 @@ use self::common::*;
 use anyhow::{anyhow, ensure, Result};
 use std::cell::Cell;
 use std::future;
+use std::ops::Not;
 
 #[test]
 fn test_messages() {
@@ -60,11 +61,20 @@ fn test_ensure_nonbool() -> Result<()> {
         condition: bool,
     }
 
+    impl Not for Struct {
+        type Output = bool;
+        fn not(self) -> Self::Output {
+            !self.condition
+        }
+    }
+
     let s = Struct { condition: true };
     match &s {
         Struct { condition } => ensure!(condition), // &bool
     }
 
+    ensure!(s);
+
     Ok(())
 }