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()); }