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#!/usr/bin/env python3
#
# SPDX-FileCopyrightText: Kienan Stewart <kstewart@efficios.com>
# SPDX-License-Identifier: GPL-2.0-only
#
"""
Test instrumentation coverage of C++ constructors and destructors by LTTng-UST
tracepoints with a dynamic object.
This test successively sets up a session, traces a test application, and then
reads the resulting trace to determine if all the expected events are present.
"""
import copy
import pathlib
import sys
# Import in-tree test utils
test_utils_import_path = pathlib.Path(__file__).absolute().parents[3] / "utils"
sys.path.append(str(test_utils_import_path))
import lttngtest
import ust_constructor_common as ust
test = {
"description": "Test user space constructor/destructor instrumentation coverage (C++ w/ dynamic object",
"application": "gen-ust-events-constructor/gen-ust-events-constructor-so",
"expected_events": copy.deepcopy(
ust.expected_events_common
+ ust.expected_events_common_cpp
+ ust.expected_events_tp_so
+ ust.expected_events_tp_so_cpp
),
# This application is not be built when `NO_SHARED` is set in the
# configuration options.
"skip_if_application_not_present": True,
}
tap = lttngtest.TapGenerator(7 + len(test["expected_events"]))
with lttngtest.test_environment(with_sessiond=True, log=tap.diagnostic) as test_env:
try:
outputlocation = ust.capture_trace(
tap, test_env, test["application"], test["description"]
)
except FileNotFoundError as fne:
tap.diagnostic(fne)
if test["skip_if_application_not_present"]:
tap.skip(
"Test application '{}' not found".format(test["application"]),
tap.remaining_test_cases,
)
sys.exit(0)
# Warning: validate_trace mutates test['expected_events']
ust.validate_trace(outputlocation.path, tap, test["expected_events"])
sys.exit(0 if tap.is_successful else 1)
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