public function testDetach()
{
$handle = $this->stream->detach();
$this->assertTrue(is_resource($handle));
$meta = stream_get_meta_data($handle);
if ($meta['mode'] != 'w') {
$this->assertEquals('foobar', stream_get_contents($handle, -1, 0));
}
// after detatching the stream object is in an unusable state but this
// should not produce any error on further method calls
$this->assertEquals('', $this->stream->__toString());
$this->assertEquals(null, $this->stream->close());
$this->assertEquals(null, $this->stream->detach());
$this->assertEquals(null, $this->stream->getSize());
$this->assertEquals(false, $this->stream->tell());
// after detaching eof returns always true to not enter any while(!eof)
$this->assertEquals(true, $this->stream->eof());
$this->assertEquals(false, $this->stream->isSeekable());
$this->assertEquals(false, $this->stream->seek(0));
$this->assertEquals(false, $this->stream->isWritable());
$this->assertEquals(false, $this->stream->write('foo'));
$this->assertEquals(false, $this->stream->isReadable());
$this->assertEquals(false, $this->stream->read(2));
$this->assertEquals(null, $this->stream->getContents());
}
public function __construct(StreamInterface $stream)
{
$this->data = '';
$this->length = $stream->getSize();
$this->source = $stream;
}