verilator/test_regress/t/t_cover_toggle.py
2024-09-08 13:00:03 -04:00

49 lines
1.4 KiB
Python
Executable File

#!/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')
test.compile(verilator_flags2=['--cc --coverage-toggle --stats'])
test.execute()
# Read the input .v file and do any CHECK_COVER requests
test.inline_checks()
test.file_grep_not(test.obj_dir + "/coverage.dat", "largeish")
if test.vlt_all:
test.file_grep(test.stats, r'Coverage, Toggle points joined\s+(\d+)', 23)
test.run(cmd=[
os.environ["VERILATOR_ROOT"] + "/bin/verilator_coverage",
"--annotate",
test.obj_dir + "/annotated",
test.obj_dir + "/coverage.dat",
],
verilator_run=True)
test.files_identical(test.obj_dir + "/annotated/" + test.name + ".v", test.golden_filename)
test.run(cmd=[
os.environ["VERILATOR_ROOT"] + "/bin/verilator_coverage",
"--annotate-points",
"--annotate",
test.obj_dir + "/annotated-points",
test.obj_dir + "/coverage.dat",
],
verilator_run=True)
test.files_identical(test.obj_dir + "/annotated-points/" + test.name + ".v",
"t/" + test.name + "_points.out")
test.passes()