public function testRead()
{
$s = new Stream();
$s->open(STREAM_MODE_READWRITE);
$s->writeLine('Pellentesque sapien enim, pellentesque sed.');
$s->writeLine('Sed et tortor suscipit velit.');
$s->writeLine('Phasellus at metus quis erat.');
$this->assertEquals($s->read(), '');
$this->assertEquals($s->tell(), 104);
// Rewind and read each line
$s->rewind();
$this->assertEquals($s->readLine(), 'Pellentesque sapien enim, pellentesque sed.');
$this->assertEquals($s->readLine(), 'Sed et tortor suscipit velit.');
$this->assertEquals($s->readLine(), 'Phasellus at metus quis erat.');
// No more lines left, we should receive an empty string
$this->assertEquals($s->readLine(), '');
// Check that the offset is still at the "end" of the stream
$this->assertEquals($s->tell(), 104);
}
/**
* Get Thumbnail
*
* @return img.Image
*/
public function getThumbnail()
{
$s = new Stream();
$s->open(STREAM_MODE_WRITE);
$s->write(exif_thumbnail($this->getFilename()));
$s->rewind();
return Image::loadFrom(new StreamReader($s));
}