public function testReferenceReturned()
{
$method = new PhpMethod('needsName');
$this->assertFalse($method->isReferenceReturned());
$this->assertSame($method, $method->setReferenceReturned(true));
$this->assertTrue($method->isReferenceReturned());
$this->assertSame($method, $method->setReferenceReturned(false));
$this->assertFalse($method->isReferenceReturned());
}