>># 
>># 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: gticnszs.m,v 1.5 92/06/11 17:28:06 rws Exp $
>># 
>>#      SCCS:  @(#)  EWin.mc Rel 1.4	    (7/19/91)
>>#
>>TITLE XGetIconSizes CH09
>>ASSERTION A XGetIconSizes-1
When the WM_ICON_SIZES property has been set for the window
w, and has format 32, a value which is a multiple of 6
elements and type WM_ICON_SIZE, then a call to
XGetIconSizes returns a list of XIconSize structures, which
can be freed with XFree, in the size_list_return argument
and the number of structures in the count_return argument
and returns non-zero.
>>STRATEGY
Create a window using XCreateWindow.
Set the WM_ICON_SIZES property using XSetIconSizes.
Obtain the WM_ICON_SIZES property using XGetIconSizes.
Verify that the call did not return False.
Verify that the property value is correct.
Release the allocated memory using XFree.
>>ASSERTION A XGetIconSizes-2
When the WM_ICON_SIZE property is not set for the window w,
or has format other than 32, a value which is not a multiple
of 6 elements or type other than WM_ICON_SIZE, then a call
to XGetIconSizes returns zero.
>>STRATEGY
Create a window with XCreateWindow.
Obtain the value of the unset WM_ICON_SIZES property using XGetIconSizes.
Verify that the function returned zero.

Create a window with XCreateWindow.
Set the WM_ICON_SIZES property to have format 16 size 6 elements and type WM_ICON_SIZE using XChangeProperty.
Obtain the value of the WM_ICON_SIZES property using XGetIconSizes.
Verify that the call returned zero

Create a window with XCreateWindow.
Set the WM_ICON_SIZES property to have format 32 size 13 elements and type WM_ICON_SIZE using XChangeProperty.
Obtain the value of the WM_ICON_SIZES property using XGetIconSizes.
Verify that the call returned zero

Create a window with XCreateWindow.
Set the WM_ICON_SIZES property to have format 32 size 6 elements and type WM_SIZE_HINTS using XChangeProperty.
Obtain the value of the WM_ICON_SIZES property using XGetIconSizes.
Verify that the call returned zero

>>ASSERTION A XGetIconSizes-3
When a window argument does not name a valid Window, then a
BadWindow error occurs.
>>STRATEGY
Create a bad window by creating and destroying a window.
Call test function using bad window as the window argument.
Verify that a BadWindow error occurs.
