From 164adf815d5f7f335014b922c0632c44772ef87f Mon Sep 17 00:00:00 2001
From: fiatcode <fiatcode@posteo.com>
Date: Wed, 18 Feb 2026 12:56:17 +0700
Subject: [PATCH] GREEN: Fix empty string bug

- Changed return value from 1 to 0 for empty string
- Test now passes: empty string returns 0
---
 lib/string_calculator.dart | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/lib/string_calculator.dart b/lib/string_calculator.dart
index 67fa9bd..bb7e714 100644
--- a/lib/string_calculator.dart
+++ b/lib/string_calculator.dart
@@ -12,7 +12,7 @@ class StringCalculator {
   int add(String numbers) {
     // Bug 1: Empty string handling
     if (numbers.isEmpty) {
-      return 1; // Should return 0
+      return 0; // Fixed: Return 0 for empty string
     }
 
     // Bug 2: Single number parsing