From c60cfe9664617435206c53a38fde1d71bd17e07d Mon Sep 17 00:00:00 2001
From: Martin Indra <martin.indra@mgn.cz>
Date: Thu, 18 Sep 2025 11:13:33 +0200
Subject: [PATCH] Fix equality check for Number

Fixes maciejhirsz/json-rust#220
---
 src/number.rs | 9 +++++++--
 1 file changed, 7 insertions(+), 2 deletions(-)

diff --git a/src/number.rs b/src/number.rs
index 808190a..4714761 100644
--- a/src/number.rs
+++ b/src/number.rs
@@ -211,11 +211,16 @@ impl PartialEq for Number {
         } else if e_diff > 0 {
             let power = decimal_power(e_diff as u16);
 
-            self.mantissa.wrapping_mul(power) == other.mantissa
+            self.mantissa
+                .checked_mul(power)
+                .map_or(false, |mantissa| mantissa == other.mantissa)
         } else {
             let power = decimal_power(-e_diff as u16);
 
-            self.mantissa == other.mantissa.wrapping_mul(power)
+            other
+                .mantissa
+                .checked_mul(power)
+                .map_or(false, |mantissa| mantissa == self.mantissa)
         }
 
     }