public function testCloseAndException()
{
$stream = new Stream('php://memory', 'w+');
$stream->close();
$stream->close();
$this->assertFalse($stream->isWritable());
$this->assertFalse($stream->isReadable());
$this->assertFalse($stream->isSeekable());
$this->assertSame('', $stream->__toString());
$this->assertNull($stream->getSize());
$this->assertTrue($stream->eof());
try {
$stream->write('...?');
$this->fail();
} catch (RuntimeException $e) {
$this->assertEquals('No resource available.', $e->getMessage());
}
}