Fix handling non-array result from route provider

Author: andrew-demb

src/LazyRouteCollection.php

@@ -39,7 +39,12 @@ public function count(): int
      */
     public function all(): array
     {
-        return $this->provider->getRoutesByNames(null);
+        $routes = $this->provider->getRoutesByNames(null);
+        if (\is_array($routes)) {
+            return $routes;
+        }
+
+        return \iterator_to_array($routes);
     }
 
     public function get(string $name): ?Route

tests/Unit/Routing/LazyRouteCollectionTest.php

@@ -36,7 +36,7 @@ public function testGetIterator(): void
         $routeProvider->expects($this->exactly(2))
             ->method('getRoutesByNames')
             ->with(null)
-            ->willReturn($testRoutes);
+            ->willReturn(new \ArrayIterator($testRoutes));
         $lazyRouteCollection = new LazyRouteCollection($routeProvider);
         $this->assertEquals($testRoutes, iterator_to_array($lazyRouteCollection->getIterator()));
         $this->assertEquals($testRoutes, $lazyRouteCollection->all());