>># 
>># Copyright 1990, 1991 by the Massachusetts Institute of Technology and
>># UniSoft Group Limited.
>># 
>># Permission to use, copy, modify, distribute, and sell this software and
>># its documentation for any purpose is hereby granted without fee,
>># provided that the above copyright notice appear in all copies and that
>># both that copyright notice and this permission notice appear in
>># supporting documentation, and that the names of MIT and UniSoft not be
>># used in advertising or publicity pertaining to distribution of the
>># software without specific, written prior permission.  MIT and UniSoft
>># make no representations about the suitability of this software for any
>># purpose.  It is provided "as is" without express or implied warranty.
>># 
>># $XConsortium: nxtrqst.m,v 1.5 92/06/11 16:00:49 rws Exp $
>># 
>>#
>>TITLE XNextRequest CH02
>>ASSERTION B XNextRequest-1
A call to XNextRequest returns the serial number of the
next request over the connection specified by the display
argument.
>>STRATEGY
Obtain the serial number of the last request processed by the server using XLastKnownRequestProcessed.
Obtain the serial number of the next request to be sent using XNextRequest.
Verify that the two serial numbers are not the same.
>>ASSERTION B XNextRequest-2
Serial numbers are maintained separately for each display
connection.
>>STRATEGY
Open two displays using XOpenDisplay.
Obtain the next serial number for each display using XNextRequest.
Perform an XNoOp request on the first display.
Verify that the next serial number for that display is not the same.
Verify that the next serial number for the second display is the same.
