import subprocess

import os

import sys

import pytest

# TODO: only run on Windows

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-sehwrapper')

if exe is None:

raise Exception('executable not found')

p = subprocess.Popen([exe, arg], stdout=subprocess.PIPE, stderr=subprocess.PIPE)

comm = p.communicate()

stdout = comm[0].decode(encoding='utf-8', errors='ignore').replace('\r\n', '\n')

stderr = comm[1].decode(encoding='utf-8', errors='ignore').replace('\r\n', '\n')

return p.returncode, stdout, stderr

def test_assert():

exitcode, stdout, stderr = _call_process('assert')

assert stdout == ''

# Assertion failed: false, file S:\GitHub\cppcheck-fw\test\seh\test-sehwrapper.cpp, line 33

assert stderr.startswith("Assertion failed: false, file "), stderr

assert stderr.endswith("test-sehwrapper.cpp, line 33\n"), stderr

assert exitcode == 3

def test_abort():

exitcode, stdout, stderr = _call_process('abort')

# nothing is written in case of abort()

# it will show the "Debug Error!" MessageBox though which we suppress in the test

assert stdout == ''

assert stderr == ''

assert exitcode == 3

def test_segv():

exitcode, stdout, stderr = _call_process('segv')

assert stderr == ''

lines = stdout.splitlines()

assert lines[0].startswith('Internal error: Access violation (instruction: 0x'), lines[0]

assert lines[0].endswith(') reading from 0x0000000000000000'), lines[0]

assert lines[1].startswith('0. 0x'), lines[1]

assert lines[1].endswith(' in my_segv'), lines[1]

assert lines[2].startswith('1. 0x'), lines[2]

assert lines[2].endswith(' in main'), lines[2]

assert lines[len(lines)-1] == 'Please report this to the cppcheck developers!'

assert exitcode == 4294967295 # returns -1

# TODO: make this work

@pytest.mark.skip

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_FLTDIV (at 0x7f'), lines[0]

assert lines[0].endswith(').'), lines[0]

assert lines[1] == 'Callstack:'

assert lines[2].endswith('my_fpe()'), lines[2]

assert lines[len(lines)-1] == 'Please report this to the cppcheck developers!'

assert exitcode == 4294967295 # returns -1