/**
* Read data from the stream.
*
* @param int $length Read up to $length bytes from the object and return
* them. Fewer than $length bytes may be returned if underlying stream
* call returns fewer bytes.
*
* @return string Returns the data read from the stream, or an empty string
* if no bytes are available.
*
* @throws \RuntimeException if an error occurs.
*/
public function read($length)
{
$content = parent::read($length);
if ($content && !static::$reachedEof) {
static::$cache .= $content;
}
if ($this->eof()) {
$this->reachedEof = true;
}
return $content;
}
/**
* Method to test read().
*
* @return void
*
* @covers \Windwalker\Http\Stream::read
*/
public function testRead()
{
$this->createTempFile();
file_put_contents($this->tmpnam, 'FOO BAR');
$resource = fopen($this->tmpnam, Stream::MODE_READ_ONLY_FROM_BEGIN);
$stream = new Stream($resource);
$this->assertEquals('FO', $stream->read(2));
$this->assertEquals('O B', $stream->read(3));
$stream->rewind();
$this->assertEquals('FOO', $stream->read(3));
}