test: add test to pass Stringable to $db->escape()

Author: kenjis

tests/system/Database/Live/EscapeTest.php

@@ -14,6 +14,7 @@
 namespace CodeIgniter\Database\Live;
 
 use CodeIgniter\Database\RawSql;
+use CodeIgniter\I18n\Time;
 use CodeIgniter\Test\CIUnitTestCase;
 use CodeIgniter\Test\DatabaseTestTrait;
 
@@ -54,6 +55,14 @@ public function testEscape(): void
         $this->assertSame($expected, $sql);
     }
 
+    public function testEscapeStringable(): void
+    {
+        $expected = "SELECT * FROM brands WHERE name = '2024-01-01 12:00:00'";
+        $sql      = 'SELECT * FROM brands WHERE name = ' . $this->db->escape(new Time('2024-01-01 12:00:00'));
+
+        $this->assertSame($expected, $sql);
+    }
+
     public function testEscapeString(): void
     {
         $expected = "SELECT * FROM brands WHERE name = 'O" . $this->char . "'Doules'";