verilator/test_regress/t/t_funccov_database.py

31 lines
1.2 KiB
Python
Executable File

#!/usr/bin/env python3
# DESCRIPTION: Verilator: Verilog Test driver/expect definition
#
# 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-FileCopyrightText: 2026 Wilson Snyder
# SPDX-License-Identifier: LGPL-3.0-only OR Artistic-2.0
import vltest_bootstrap
test.scenarios('vlt')
test.compile(verilator_flags2=['--coverage'])
test.execute()
# Check that coverage database contains functional coverage entries
# Format uses control characters as delimiters: C '^At^Bfunccov^Apage...bin^Blow...h^Bcg.cp.low' count
test.file_grep(test.coverage_filename, r'funccov')
test.file_grep(test.coverage_filename, r'bin.{0,2}low') # binlow with possible delimiter
test.file_grep(test.coverage_filename, r'bin.{0,2}high') # binhigh with possible delimiter
test.file_grep(test.coverage_filename, r'cg\.cp\.low')
test.file_grep(test.coverage_filename, r'cg\.cp\.high')
# Verify both bins have non-zero counts (they were both sampled)
test.file_grep(test.coverage_filename, r'.*bin.{0,2}low.*\' [1-9]')
test.file_grep(test.coverage_filename, r'.*bin.{0,2}high.*\' [1-9]')
test.passes()