this maybe

Author: marvin-j97

src/byteview.rs

@@ -799,9 +799,8 @@ mod tests {
     #[should_panic]
     #[cfg(target_pointer_width = "32")]
     fn too_large_for_32bit() {
-        let _bv = ByteView::with_size(
-            (u32::MAX as usize) - std::mem::size_of::<HeapAllocationHeader>() + 1,
-        );
+        let _bv =
+            ByteView::with_size((u32::MAX as usize) - std::mem::size_of::<HeapAllocationHeader>());
     }
 
     // NOTE: Prevent overflow of capacity field for 32-bit targets
@@ -811,7 +810,7 @@ mod tests {
     fn too_large_for_32bit_2() {
         let _bv = unsafe {
             ByteView::with_size_unzeroed(
-                (u32::MAX as usize) - std::mem::size_of::<HeapAllocationHeader>() + 1,
+                (u32::MAX as usize) - std::mem::size_of::<HeapAllocationHeader>(),
             )
         };
     }
@@ -821,9 +820,12 @@ mod tests {
     fn too_large_for_32bit_threshold() {
         let _bv = unsafe {
             ByteView::with_size_unzeroed(
-                (u32::MAX as usize) - std::mem::size_of::<HeapAllocationHeader>(),
+                (u32::MAX as usize) - std::mem::size_of::<HeapAllocationHeader>() * 2,
             )
         };
+        let _bv = ByteView::with_size(
+            (u32::MAX as usize) - std::mem::size_of::<HeapAllocationHeader>() * 2,
+        );
     }
 
     #[test]