read_verilog -specify boxes.v

design -save read
select -assert-none =a:test_attr
select -assert-none =A:test_attr

# setattr =* affects all modules
setattr -set test_attr 1 =*
select -assert-mod-count 3 =a:test_attr
select -assert-none =A:test_attr

design -load read
setattr -mod -set test_attr 1 =*
select -assert-none =a:test_attr
select -assert-mod-count 3 =A:test_attr

# setattr * doesn't affect boxed modules
design -load read
setattr -mod -set test_attr 1 *
select -assert-mod-count 1 =A:test_attr

# setattr can set and unset whitebox attr
design -load read
setattr -mod -unset whitebox =wb
select -assert-mod-count 2 *
setattr -mod -set whitebox 1 wb
select -assert-mod-count 1 *

# wbflip works on all non-bb in selection
design -load read
select -assert-mod-count 1 =A:whitebox
wbflip
select -assert-mod-count 2 =A:whitebox
wbflip
select -assert-mod-count 2 =A:whitebox
wbflip =wb
select -assert-mod-count 1 =A:whitebox
wbflip =bb
select -assert-mod-count 1 =A:whitebox