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#!/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('dist')
if not os.path.exists(os.environ["VERILATOR_ROOT"] + "/bin/verilator_difftree"):
test.skip("No verilator_difftree available")
test.run(cmd=[
"cd " + test.obj_dir + " && " + os.environ["VERILATOR_ROOT"] + "/bin/verilator_difftree",
test.t_dir + "/t_difftree.a.tree", test.t_dir + "/t_difftree.b.tree > diff.log"
],
check_finished=False)
test.files_identical(test.obj_dir + "/diff.log", test.golden_filename, 'logfile')
test.passes()
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