--TEST--
SPL: ArrayObject::__construct basic usage.
--FILE--
<?php
class C {
    public $prop = 'C::prop.orig';
}

class MyArrayObject extends ArrayObject {
    public $prop = 'MyArrayObject::prop.orig';
}

echo "--> Access prop on instance of ArrayObject:\n";
$c = new C;
$ao = new ArrayObject($c);
testAccess($c, $ao);

echo "\n--> Access prop on instance of MyArrayObject:\n";
$c = new C;
$ao = new MyArrayObject($c);
testAccess($c, $ao);

function testAccess($c, $ao) {
    echo "  - Iteration:\n";
    foreach ($ao as $key=>$value) {
        echo "      $key=>$value\n";
    }

    echo "  - Read:\n";
    @var_dump($ao->prop, $ao['prop']);

    echo "  - Write:\n";
    $ao->prop = 'changed1';
    $ao['prop'] = 'changed2';
    var_dump($ao->prop, $ao['prop']);

    echo "  - Isset:\n";
    var_dump(isset($ao->prop), isset($ao['prop']));

    echo "  - Unset:\n";
    unset($ao->prop);
    unset($ao['prop']);
    var_dump($ao->prop, $ao['prop']);

    echo "  - After:\n";
    var_dump($ao, $c);
}
?>
--EXPECTF--
--> Access prop on instance of ArrayObject:
  - Iteration:
      prop=>C::prop.orig
  - Read:
NULL
string(12) "C::prop.orig"
  - Write:
string(8) "changed1"
string(8) "changed2"
  - Isset:
bool(true)
bool(true)
  - Unset:

Warning: Undefined property: ArrayObject::$prop in %s on line %d

Warning: Undefined array key "prop" in %s on line %d
NULL
NULL
  - After:
object(ArrayObject)#2 (1) {
  ["storage":"ArrayObject":private]=>
  object(C)#1 (0) {
  }
}
object(C)#1 (0) {
}

--> Access prop on instance of MyArrayObject:
  - Iteration:
      prop=>C::prop.orig
  - Read:
string(24) "MyArrayObject::prop.orig"
string(12) "C::prop.orig"
  - Write:
string(8) "changed1"
string(8) "changed2"
  - Isset:
bool(true)
bool(true)
  - Unset:

Warning: Undefined property: MyArrayObject::$prop in %s on line %d

Warning: Undefined array key "prop" in %s on line %d
NULL
NULL
  - After:
object(MyArrayObject)#3 (1) {
  ["storage":"ArrayObject":private]=>
  object(C)#4 (0) {
  }
}
object(C)#4 (0) {
}