test for parent in any change

Author: Falseclock

tests/ASN1/Universal/ChildrenTest.php

@@ -50,8 +50,12 @@ public function testRemoveChild()
             $i++;
         }
 
-        $this->expectException(Exception::class);
+        // Check all children have correct parent
+        foreach ($object->getChildren() as $child) {
+            self::assertEquals($child->getParent(), $object);
+        }
 
+        $this->expectException(Exception::class);
         $object->removeChild($unknownChild);
     }
 
@@ -117,6 +121,11 @@ public function testReplaceChild()
             $i++;
         }
 
+        // Check all children have correct parent
+        foreach ($object->getChildren() as $child) {
+            self::assertEquals($child->getParent(), $object);
+        }
+
         // Exception if we trying replace unknown child
         $this->expectException(Exception::class);
         $object->replaceChild($unknownChild, $replacement);
@@ -160,5 +169,10 @@ public function testAppendChild()
             self::assertEquals($i, $index);
             $i++;
         }
+
+        // Check all children have correct parent
+        foreach ($object->getChildren() as $child) {
+            self::assertEquals($child->getParent(), $object);
+        }
     }
 }