test: add test cases for routes with integer

Author: kenjis

tests/system/Router/DefinedRouteCollectorTest.php

@@ -50,8 +50,10 @@ public function testCollect(): void
     {
         $routes = $this->createRouteCollection();
         $routes->get('journals', 'Blogs');
+        $routes->get('100', 'Home::index');
         $routes->get('product/(:num)', 'Catalog::productLookupByID/$1');
         $routes->get('feed', static fn () => 'A Closure route.');
+        $routes->get('200', static fn () => 'A Closure route.');
         $routes->view('about', 'pages/about');
 
         $collector = new DefinedRouteCollector($routes);
@@ -69,6 +71,12 @@ public function testCollect(): void
                 'name'    => 'journals',
                 'handler' => '\App\Controllers\Blogs',
             ],
+            [
+                'method'  => 'GET',
+                'route'   => '100',
+                'name'    => '100',
+                'handler' => '\App\Controllers\Home::index',
+            ],
             [
                 'method'  => 'GET',
                 'route'   => 'product/([0-9]+)',
@@ -81,6 +89,12 @@ public function testCollect(): void
                 'name'    => 'feed',
                 'handler' => '(Closure)',
             ],
+            [
+                'method'  => 'GET',
+                'route'   => '200',
+                'name'    => '200',
+                'handler' => '(Closure)',
+            ],
             [
                 'method'  => 'GET',
                 'route'   => 'about',