ensure that an uncompiled instance isn't changed by a compiled one

d3DicHandler.php

@@ -50,6 +50,7 @@ class d3DicHandler implements d3DicHandlerInterface
      */
     public static function getUncompiledInstance(): Container
     {
+        if (self::$_instance !== null && self::$_instance->isCompiled()) {self::removeInstance();}
         return oxNew(d3DicHandler::class)->createInstance(false);
     }
 

tests/unit/d3DicHandlerTest.php

@@ -89,6 +89,7 @@ class d3DicHandlerTest extends TestCase
     {
         $sut = new d3DicHandler();
 
+        // test new instance
         $containerBuilder = $this->callMethod(
             $sut,
             'getUncompiledInstance'
@@ -100,6 +101,22 @@ class d3DicHandlerTest extends TestCase
         );
 
         $this->assertFalse($containerBuilder->isCompiled());
+
+        // test if compiled instance is getting resetted
+        $this->callMethod(
+            $sut,
+            'removeInstance'
+        );
+        $this->callMethod(
+            $sut,
+            'getInstance'
+        );
+
+        $containerBuilder = $this->callMethod(
+            $sut,
+            'getUncompiledInstance'
+        );
+        $this->assertFalse($containerBuilder->isCompiled());
     }
 
     /**