From 4c2ab63185aba09cb454c2ab91f3c2b6b6052e11 Mon Sep 17 00:00:00 2001
From: Jeong YunWon <jeong@youknowone.org>
Date: Fri, 12 May 2023 06:52:11 +0900
Subject: [PATCH] Fix repr(bytearray) in debug

---
 vm/src/bytesinner.rs | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/vm/src/bytesinner.rs b/vm/src/bytesinner.rs
index 3afdadbb7..dee193481 100644
--- a/vm/src/bytesinner.rs
+++ b/vm/src/bytesinner.rs
@@ -253,11 +253,12 @@ impl PyBytesInner {
     }
 
     pub fn repr_with_name(&self, class_name: &str, vm: &VirtualMachine) -> PyResult<String> {
+        const DECORATION_LEN: isize = 2 + 3; // 2 for (), 3 for b"" => bytearray(b"")
         let escape = crate::literal::escape::AsciiEscape::new_repr(&self.elements);
         let len = escape
             .layout()
             .len
-            .and_then(|len| (len as isize).checked_add(2 + class_name.len() as isize))
+            .and_then(|len| (len as isize).checked_add(DECORATION_LEN + class_name.len() as isize))
             .ok_or_else(|| Self::new_repr_overflow_error(vm))? as usize;
         let mut buf = String::with_capacity(len);
         buf.push_str(class_name);