public function can_only_iterate_unseekable_once()
{
$reader = new TextReader($this->unseekableStream());
$this->assertEquals([1 => 'A', 2 => 'B'], iterator_to_array($reader->lines()));
try {
iterator_to_array($reader->lines());
$this->fail('No exception raised', null, 'io.IOException');
} catch (\io\IOException $expected) {
// OK
}
}
