public function testGetDeclaringClassForFunctionReturnsNull()
{
$content = '<?php function myMethod($var = 123) {}';
$reflector = new FunctionReflector(new StringSourceLocator($content));
$functionInfo = $reflector->reflect('myMethod');
$paramInfo = $functionInfo->getParameter('var');
$this->assertNull($paramInfo->getDeclaringClass());
}