-- http://www.ics.uci.edu/~jmoorkan/vhdlref/assert.html -- -- Syntax: assert [report [severity ]] -- -- Severity is one of: note, warning, error or failure -- -- Default severity: error. -- -- It is up to your simulator to decide what to do with asserts. -- -- ghdl has --assert-level to decide which is the minimum level that aborts -- the simulation and returns 1 exit status. entity assert_tb is end assert_tb; architecture behav of assert_tb is begin end behav;