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//! A stream of data is sent and then compared to the received stream.
//! The sent data looks like this: \n
//! 0000 0001 0002 0003 0004 0005 0006 0007 .... FFFE FFFF \n
//! This pattern is repeated forever.
//发送数据流，然后将其与接收的流进行比较。
//！发送的数据如下所示：\ n
//！ 0000 0001 0002 0003 0004 0005 0006 0007 .... FFFE FFFF \ n
//！这种模式将永远重复。
