#!/usr/bin/env python3 # DESCRIPTION: Verilator: Verilog Test driver/expect definition # # Copyright 2024 by Wilson Snyder. This program is free software; you # can redistribute it and/or modify it under the terms of either the GNU # Lesser General Public License Version 3 or the Perl Artistic License # Version 2.0. # SPDX-License-Identifier: LGPL-3.0-only OR Artistic-2.0 import vltest_bootstrap test.scenarios('simulator') # Should convert the first always into combo and detect cycle test.compile( fails=True, verilator_flags2=["--timing"], expect= r'%Warning-UNOPTFLAT: t/t_timing_fork_comb.v:\d+:\d+: Signal unoptimizable: Circular combinational logic:' ) test.compile(verilator_flags2=["--exe --main --timing -Wno-UNOPTFLAT"]) test.execute() test.passes()