public function testGetSetAttributes()
{
$request = new Request(new Url('http://127.0.0.1'), 'POST');
$request->setAttribute('foo', 'bar');
$this->assertEquals('bar', $request->getAttribute('foo'));
$this->assertEquals(null, $request->getAttribute('bar'));
$this->assertEquals(array('foo' => 'bar'), $request->getAttributes());
$request->setAttribute('bar', 'foo');
$this->assertEquals('foo', $request->getAttribute('bar'));
$this->assertEquals(array('foo' => 'bar', 'bar' => 'foo'), $request->getAttributes());
$request->removeAttribute('bar');
$request->removeAttribute('fooo');
// unknown value
$this->assertEquals(null, $request->getAttribute('bar'));
}