/**
* Force a piped output stream to connect to a piped input stream and its
* connected input stream is overwritten.
*/
public function testForceConnect()
{
$upstream = new PipedOutputStream();
$input = new PipedInputStream();
$input->connect($upstream);
$input->connect($upstream, true);
$this->assertSame($upstream, $input->upstream);
$this->assertFalse($upstream->isClosed());
}
