From dbff203d1e27a3b1ab66107d14b683775743d6e3 Mon Sep 17 00:00:00 2001
From: kenjis <kenji.uui@gmail.com>
Date: Fri, 23 Aug 2024 08:25:00 +0900
Subject: [PATCH] test: add test for numeric field name

---
 tests/system/Validation/ValidationTest.php | 10 ++++++++++
 1 file changed, 10 insertions(+)

diff --git a/tests/system/Validation/ValidationTest.php b/tests/system/Validation/ValidationTest.php
index b5493a682c8e..00360f368e66 100644
--- a/tests/system/Validation/ValidationTest.php
+++ b/tests/system/Validation/ValidationTest.php
@@ -270,6 +270,16 @@ public function testRunDoesTheBasics(): void
         $this->assertSame([], $this->validation->getValidated());
     }
 
+    public function testRunWithNumericFieldName(): void
+    {
+        // The array key will be int.
+        $data = ['123' => 'notanumber'];
+        $this->validation->setRules(['123' => 'is_numeric']);
+
+        $this->assertFalse($this->validation->run($data));
+        $this->assertSame([], $this->validation->getValidated());
+    }
+
     public function testClosureRule(): void
     {
         $this->validation->setRules(