public function testSeekTell()
{
$s = new Stream();
$s->open(STREAM_MODE_READWRITE);
$this->assertEquals($s->tell(), 0, 'wrong start position');
$this->assertEquals($s->size(), 0, 'wrong initial size');
$s->writeLine('Foo Bar Baz');
$this->assertEquals($s->tell(), 12, 'wrong position');
$this->assertEquals($s->size(), 12, 'wrong size');
}
