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This file contains some notes about things to try out to give the X.Org video
driver a reasonably thorough test. We will add cases of things which have been
known to fail in the past to this file as we discover them.
* Test XFree86 guests (CentOS 3), early X.Org (CentOS 5) and recent
(CentOS 6 and 7, current Ubuntu/Fedora). Test Solaris guests (10 and 11?).
* Dynamic resizing should work, on CentOS 6 and later Linux guests it should
work without VBoxClient running.
* Disabling and enabling virtual screens (VBoxManage in 4.3).
* Dynamic resizing with one of more virtual screens disabled.
* Test switching to virtual terminals and back from windowed, full screen and
seamless modes (seamless currently only works properly with VBoxClient
running).
* Test switching directly between normal, full-screen, seamless and scaled
modes.
* execute "xprop -root | grep VBOX" after resizing a screen: VBOX_SIZE_HINTS
should be set, and VBOX_SIZE_HINTS_MISMATCH should equal 0 on CentOS 6 and
later (4.4 and later).
* Test re-ordering the virtual screen using the native guest operating system
tools and make sure that mouse integration still works as expected.
* Test disabling and re-enabling guest screens with the native system tools.
* Try disabling and re-enabling mouse integration and check that capturing
works with multiple guest screens.
* Shutting down and re-starting a virtual machine should restore the last size
for all monitors (note: currently only after log-in). Full shut-down, not
a reboot.
* Test power management by disabling guest screens ("xrandr --output VGA-n
--off") and re-enabling them ("xrandr --output VGA-n --preferred --pos XxY")
where X and Y are the position of the screen before disabling it.
* Test sending video mode hints with screen position information via
VBoxManage. The screen position is a hint only. The approximate position
should be preserved after a shut down and re-start of the guest.
* Test re-starting the X server after resizing all guest windows. The server
should not crash.
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