What will happen if the disk space is not enough during downloading a very big file, like 2GB?

## 💬 Questions and Help
If I am starting downloading a very big file, and the disk space is not enough for the file, what will happen?

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- The [Flutter tag in Stack Overflow](https://stackoverflow.com/questions/tagged/flutter)

该 issue 没有指明文件、测试或入口点。首先检查该包在磁盘空间不足时的下载和缓存存储文档及实现行为，然后记录一个明确的答案；当记录下非常大的下载所产生的结果后，该 issue 即完成。

由索引模型根据 Issue 内容生成。