Auto merge of #22087 - GuillaumeGomez:int-pow, r=alexcrichton

Fixes issue #22016

1 files changed, 11 insertions, 0 deletions

diff --git a/src/libcoretest/num/int_macros.rs b/src/libcoretest/num/int_macros.rs
index f5657d939b2..c33729876cc 100644
--- a/src/libcoretest/num/int_macros.rs
+++ b/src/libcoretest/num/int_macros.rs
@@ -201,6 +201,17 @@ mod tests {
         assert_eq!(FromStrRadix::from_str_radix("Z", 35).ok(), None::<$T>);
         assert_eq!(FromStrRadix::from_str_radix("-9", 2).ok(), None::<$T>);
     }
+
+    #[test]
+    fn test_pow() {
+        let mut r = 2 as $T;
+
+        assert_eq!(r.pow(2u32), 4 as $T);
+        assert_eq!(r.pow(0u32), 1 as $T);
+        r = -2 as $T;
+        assert_eq!(r.pow(2u32), 4 as $T);
+        assert_eq!(r.pow(3u32), -8 as $T);
+    }
 }
 
 )}