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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
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