public function testGetArrayCopy()
 {
     $arrayObject = new ArrayObject([1, 2, 3]);
     $this->assertSame([1, 2, 3], $arrayObject->getArrayCopy());
 }
 public function testGetArrayCopyWithVariadicConstruction()
 {
     $arrayObject = new ArrayObject(1, 2, 3);
     $this->assertSame([1, 2, 3], $arrayObject->getArrayCopy());
 }