/**
* Closes a connected piped input stream. A listener is registered at
* 'close.notify.before', so when the listener is called, we know the
* upstream is notified.
*/
public function testClose()
{
// Initializes a piped output stream.
$upstream = new PipedOutputStream();
// Initializes a piped input stream.
$input = new PipedInputStream($upstream);
// Initializes an event dispatcher.
$dispatcher = new EventDispatcher();
// Initializes a listener.
$listener = [new MarkerListener(), 'mark'];
// Adds dispatcher and listener to the piped input stream.
$input->setEventDispatcher($dispatcher)->addListener($input::EVENT_CLOSE_NOTIFY_BEFORE, $listener);
// Closes the piped input stream.
$input->close();
// Asserts closed is true.
$this->assertTrue($input->isClosed());
// Asserts notify() of the piped input stream has been called.
$this->assertSame($listener[0], $listener[0]->markers[0]);
}
