public function testInstanceOf4()
{
$t = new InstanceOff();
$this->assertTrue($t->testInstanceOf4(new \ArrayIterator(array())));
$this->assertTrue($t->testInstanceOf4(new \ArrayObject()));
$this->assertFalse($t->testInstanceOf4(1));
$this->assertFalse($t->testInstanceOf4(1.25));
$this->assertFalse($t->testInstanceOf4(true));
$this->assertFalse($t->testInstanceOf4(false));
$this->assertFalse($t->testInstanceOf4("test"));
$this->assertFalse($t->testInstanceOf4(array()));
$this->assertFalse($t->testInstanceOf4(new \StdClass()));
}