public function testWriting()
{
$this->assertTrue($this->stream->isWritable());
$this->stream->write('foobar');
$this->stream->rewind();
$this->stream->seek(3);
$this->assertEquals(4, $this->stream->write('bazz'));
$this->assertEquals('', $this->stream->getContents());
$this->assertEquals('foobazz', $this->stream);
$this->assertEquals(7, $this->stream->getSize());
}
