1#!/usr/bin/env perl 2if (!$::Driver) { use FindBin; exec("$FindBin::Bin/bootstrap.pl", @ARGV, $0); die; } 3# DESCRIPTION: Verilator: Verilog Test driver/expect definition 4# 5# Copyright 2003 by Wilson Snyder. This program is free software; you 6# can redistribute it and/or modify it under the terms of either the GNU 7# Lesser General Public License Version 3 or the Perl Artistic License 8# Version 2.0. 9# SPDX-License-Identifier: LGPL-3.0-only OR Artistic-2.0 10 11use IO::File; 12use Time::HiRes; 13 14scenarios(dist => 1); 15 16if (!$ENV{VERILATOR_TEST_RANDOM_FAILURE}) { 17 ok("Test is for harness checking only, setenv VERILATOR_TEST_RANDOM_FAILURE=1 "); 18} else { 19 # Randomly fail to test driver.pl 20 my ($ign, $t) = Time::HiRes::gettimeofday(); 21 if ($t % 2) { 22 error("random failure " . $t); 23 } 24 else { 25 ok(1); 26 } 27} 281; 29