tcxtest has four distinct test groups:
AFX Protocol tests (in 8/16/32/64-bit mode)
WRC
Frame Buffer Memory tests (in 8/16/32/64-bit14 mode)
address
constant
random
Acceleration tests (both User and Raw modes)
blit
stip
Colormap and Cursor tests
cursor (does not apply to SPARCstation4)
colormap