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import subprocess
import os
import sys
import pytest
import platform
from packaging.version import Version
def __lookup_cppcheck_exe(exe_name):
# path the script is located in
script_path = os.path.dirname(os.path.realpath(__file__))
if sys.platform == "win32":
exe_name += ".exe"
for base in (script_path + '/../../', './'):
for path in ('', 'bin/', 'bin/debug/'):
exe_path = base + path + exe_name
if os.path.isfile(exe_path):
print("using '{}'".format(exe_path))
return exe_path
return None
def __call_process(arg):
exe = __lookup_cppcheck_exe('test-signalhandler')
if exe is None:
raise Exception('executable not found')
with subprocess.Popen([exe, arg], stdout=subprocess.PIPE, stderr=subprocess.PIPE) as p:
stdout, stderr = p.communicate()
rc = p.returncode
stdout = stdout.decode(encoding='utf-8', errors='ignore').replace('\r\n', '\n')
stderr = stderr.decode(encoding='utf-8', errors='ignore').replace('\r\n', '\n')
return rc, stdout, stderr
def test_assert():
exitcode, stdout, stderr = __call_process('assert')
if sys.platform == "darwin":
assert stderr.startswith("Assertion failed: (false), function my_assert, file test-signalhandler.cpp, line "), stderr
else:
assert stderr.endswith("test-signalhandler.cpp:41: void my_assert(): Assertion `false' failed.\n"), stderr
lines = stdout.splitlines()
assert lines[0] == 'Internal error: cppcheck received signal SIGABRT - abort or assertion'
# no stacktrace of macOS
if sys.platform != "darwin":
assert lines[1] == 'Callstack:'
assert lines[2].endswith('my_abort()'), lines[2] # TODO: wrong function
assert lines[len(lines)-1] == 'Please report this to the cppcheck developers!'
assert exitcode == -6
def test_abort():
exitcode, stdout, _ = __call_process('abort')
lines = stdout.splitlines()
assert lines[0] == 'Internal error: cppcheck received signal SIGABRT - abort or assertion'
# no stacktrace on macOS
if sys.platform != "darwin":
assert lines[1] == 'Callstack:'
assert lines[2].endswith('my_segv()'), lines[2] # TODO: wrong function
assert lines[len(lines)-1] == 'Please report this to the cppcheck developers!'
assert exitcode == -6
def test_segv():
exitcode, stdout, stderr = __call_process('segv')
assert stderr == ''
lines = stdout.splitlines()
if sys.platform == "darwin":
if Version(platform.mac_ver()[0]) >= Version('14'):
assert lines[0] == 'Internal error: cppcheck received signal SIGSEGV - SEGV_ACCERR (at 0x0).'
else:
assert lines[0] == 'Internal error: cppcheck received signal SIGSEGV - SEGV_MAPERR (at 0x0).'
else:
assert lines[0] == 'Internal error: cppcheck received signal SIGSEGV - SEGV_MAPERR (reading at 0x0).'
# no stacktrace on macOS
if sys.platform != "darwin":
assert lines[1] == 'Callstack:'
assert lines[2].endswith('my_segv()'), lines[2] # TODO: wrong function
assert lines[len(lines)-1] == 'Please report this to the cppcheck developers!'
assert exitcode == -11
@pytest.mark.skipif(sys.platform == 'darwin', reason='Cannot raise FPE on macOS')
def test_fpe():
exitcode, stdout, stderr = __call_process('fpe')
assert stderr == ''
lines = stdout.splitlines()
assert lines[0].startswith('Internal error: cppcheck received signal SIGFPE - FPE_FLTINV (at 0x'), lines[0]
assert lines[0].endswith(').'), lines[0]
assert lines[1] == 'Callstack:'
assert lines[3].endswith('my_fpe()'), lines[2]
assert lines[len(lines)-1] == 'Please report this to the cppcheck developers!'
assert exitcode == -8
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