def test_backwards_compatibility():
ret, stdout, stderr = cppcheck(['proj-inline-suppress/3.cpp'])
assert '[zerodiv]' in stderr
ret, stdout, stderr = cppcheck(
['--inline-suppr', 'proj-inline-suppress/3.cpp'])
assert stderr == ''
def test_project_force_U():
# 10018
# -U does not work with compile_commands.json
with tempfile.TemporaryDirectory('10018') as temp_folder:
with open(os.path.join(temp_folder, 'bug1.cpp'), 'wt') as f:
f.write("""
int x = 123 / 0;
#ifdef MACRO1
int y = 1000 / 0;
#endif
""")
compile_commands = os.path.join(temp_folder, 'compile_commands.json')
with open(compile_commands, 'wt') as f:
f.write(
'[ { "directory": "%s", "command": "c++ -o bug1.o -c bug1.cpp", "file": "bug1.cpp", "output": "bug1.o" } ]'
% str(temp_folder))
# Without -U => both bugs are found
ret, stdout, stderr = cppcheck([
'--project=' + compile_commands, '--force', '-rp=' + temp_folder,
'--template=cppcheck1'
])
assert (stderr == '[bug1.cpp:2]: (error) Division by zero.\n'
'[bug1.cpp:4]: (error) Division by zero.\n')
# With -U => only first bug is found
ret, stdout, stderr = cppcheck([
'--project=' + compile_commands, '--force', '-UMACRO1',
'-rp=' + temp_folder, '--template=cppcheck1'
])
assert stderr == '[bug1.cpp:2]: (error) Division by zero.\n'
def test_file_filter():
ret, stdout, stderr = cppcheck(['proj2/', '--file-filter=proj2/a/*'])
file1 = os.path.join('proj2', 'a', 'a.c')
file2 = os.path.join('proj2', 'b', 'b.c')
assert ret == 0
assert stdout.find('Checking %s ...' % file1) >= 0
ret, stdout, stderr = cppcheck(['proj2/', '--file-filter=proj2/b*'])
assert ret == 0
assert stdout.find('Checking %s ...' % file2) >= 0
def test_build_dir_dump_output():
with tempfile.TemporaryDirectory() as tempdir:
args = f'--cppcheck-build-dir={tempdir} --addon=misra helloworld'
cppcheck(args.split())
cppcheck(args.split())
with open(f'{tempdir}/main.a1.dump', 'rt') as f:
dump = f.read()
assert '</dump>' in dump, 'invalid dump data: ...' + dump[-100:]
def check_symbol_database(code):
testfile = 'test.cpp'
with open(testfile, 'w+t') as f:
f.write(code)
ret1, stdout1, _ = cppcheck(['--clang', '--debug', '-v', testfile])
ret2, stdout2, _ = cppcheck(['--debug', '-v', testfile])
os.remove(testfile)
assert 0 == ret1, stdout1
assert 0 == ret2, stdout2
assert get_debug_section('### Symbol database', stdout1) == get_debug_section('### Symbol database', stdout2)
def todo_check_ast(code):
testfile = 'test.cpp'
with open(testfile, 'w+t') as f:
f.write(code)
ret1, stdout1, _ = cppcheck(['--clang', '--debug', '-v', testfile])
ret2, stdout2, _ = cppcheck(['--debug', '-v', testfile])
os.remove(testfile)
assert 0 == ret1, stdout1
assert 0 == ret2, stdout2
assert get_debug_section('##AST', stdout1) != get_debug_section('##AST', stdout2)
def test_suppress_command_line():
prjpath = getRelativeProjectPath()
ret, stdout, stderr = cppcheck('--suppress=zerodiv:%s %s' % (os.path.join(prjpath, 'main.c'), prjpath))
assert ret == 0
assert stderr == ''
prjpath = getAbsoluteProjectPath()
ret, stdout, stderr = cppcheck('--suppress=zerodiv:%s %s' % (os.path.join(prjpath, 'main.c'), prjpath))
assert ret == 0
assert stderr == ''
def test_build_dir():
with tempfile.TemporaryDirectory() as tempdir:
args = f'--cppcheck-build-dir={tempdir} --enable=all --inline-suppr proj-inline-suppress/4.c'.split(
)
ret, stdout, stderr = cppcheck(args)
assert ret == 0, stdout
assert len(stderr) == 0
ret, stdout, stderr = cppcheck(args)
assert ret == 0, stdout
assert len(stderr) == 0
def check_symbol_database(code):
# Only compare symboldatabases if clang is found in PATH
try:
subprocess.call(['clang', '--version'])
except OSError:
return
testfile = 'test.cpp'
with open(testfile, 'w+t') as f:
f.write(code)
ret1, stdout1, stderr1 = cppcheck(['--clang', '--debug', '-v', testfile])
ret2, stdout2, stderr2 = cppcheck(['--debug', '-v', testfile])
os.remove(testfile)
assert get_debug_section('### Symbol database', stdout1) == get_debug_section('### Symbol database', stdout2)
def todo_check_ast(code):
# Only compare syntax trees if clang is found in PATH
try:
subprocess.call(['clang', '--version'])
except OSError:
return
testfile = 'test.cpp'
with open(testfile, 'w+t') as f:
f.write(code)
ret1, stdout1, stderr1 = cppcheck(['--clang', '--debug', '-v', testfile])
ret2, stdout2, stderr2 = cppcheck(['--debug', '-v', testfile])
os.remove(testfile)
assert get_debug_section('##AST', stdout1) != get_debug_section('##AST', stdout2)
def test_suppress_project():
project_file = os.path.join('helloworld', 'test.cppcheck')
create_gui_project_file(project_file,
paths=['.'],
suppressions=[{'fileName':'main.c', 'id':'zerodiv'}])
# Relative path
ret, stdout, stderr = cppcheck('--project=%s' % (project_file))
assert ret == 0
assert stderr == ''
# Absolute path
ret, stdout, stderr = cppcheck('--project=%s' % (os.path.join(os.getcwd(), 'helloworld', 'test.cppcheck')))
assert ret == 0
assert stderr == ''
def test_gui_project_loads_relative_vs_solution():
create_gui_project_file('test.cppcheck',
root_path='proj2',
import_project='proj2/proj2.sln',
exclude_paths=['b'])
ret, stdout, stderr = cppcheck(['--project=test.cppcheck'])
assert stderr == '[a/a.c:1]: (error) Division by zero.\n'
def test_gui_project_loads_absolute_vs_solution():
create_gui_project_file('test.cppcheck',
root_path=os.path.join(os.getcwd(), 'proj2').replace('\\', '/'),
import_project=os.path.join(os.getcwd(), 'proj2', 'proj2.sln').replace('\\', '/'))
ret, stdout, stderr = cppcheck('--project=test.cppcheck')
assert stderr == ('[a/a.c:1]: (error) Division by zero.\n'
'[b/b.c:1]: (error) Division by zero.\n')
def test_vs_project_relative_path():
prjpath = getRelativeProjectPath()
ret, stdout, stderr = cppcheck(['--template=cppcheck1', '--project=' + os.path.join(prjpath, 'helloworld.vcxproj')])
filename = os.path.join(prjpath, 'main.c')
assert ret == 0
assert getVsConfigs(stdout, filename) == 'Debug|Win32 Debug|x64 Release|Win32 Release|x64'
assert stderr == '[%s:5]: (error) Division by zero.\n' % (filename)
def test_project_custom_platform(tmpdir):
"""
import cppcheck project that contains a custom platform file
"""
project_file = os.path.join(tmpdir, 'Project.cppcheck')
with open(project_file, 'wt') as f:
f.write("""
<?xml version="1.0" encoding="UTF-8"?>
<project version="1">
<platform>p1.xml</platform>
<paths>
<dir name="."/>
</paths>
</project>
""")
with open(os.path.join(tmpdir, 'p1.xml'), 'wt') as f:
f.write('<?xml version="1.0"?>\n<platform/>')
with open(os.path.join(tmpdir, '1.c'), 'wt') as f:
f.write("int x;")
ret, stdout, stderr = cppcheck(
['--project=' + project_file, '--template=cppcheck1'])
assert ret == 0, stdout
assert stderr == ''
def test_gui_project_loads_absolute_vs_solution_2():
create_gui_project_file('test.cppcheck',
root_path=realpath('proj2'),
import_project=realpath('proj2/proj2.sln'))
ret, stdout, stderr = cppcheck(['--project=test.cppcheck'])
assert ret == 0, stdout
assert stderr == ERR_A + ERR_B
def test_gui_project_loads_relative_vs_solution_with_exclude():
create_gui_project_file('test.cppcheck',
root_path='proj2',
import_project='proj2/proj2.sln',
exclude_paths=['b'])
ret, stdout, stderr = cppcheck(['--project=test.cppcheck'])
assert stderr == ERR_A
def test_addon_absolute_path():
prjpath = getAbsoluteProjectPath()
ret, stdout, stderr = cppcheck(['--addon=misra', '--template=cppcheck1', prjpath])
filename = os.path.join(prjpath, 'main.c')
assert ret == 0, stdout
assert stderr == ('[%s:5]: (error) Division by zero.\n'
'[%s:1]: (style) misra violation (use --rule-texts=<file> to get proper output)\n' % (filename, filename))
def test_vs_project_absolute_path():
prjpath = getAbsoluteProjectPath()
ret, stdout, stderr = cppcheck('--project=%s' % (os.path.join(prjpath, 'helloworld.vcxproj')))
filename = os.path.join(prjpath, 'main.c')
assert ret == 0
assert getVsConfigs(stdout, filename) == 'Debug|Win32 Debug|x64 Release|Win32 Release|x64'
assert stderr == '[%s:5]: (error) Division by zero.\n' % (filename)
def test_j2_suppress():
ret, stdout, stderr = cppcheck([
'--error-exitcode=1', '--suppress=*:proj-suppress-syntaxError/*',
'-j2', '-q', 'proj-suppress-syntaxError'
])
assert ret == 0
assert len(stderr) == 0
def test_unmatched_suppression_path_with_extra_stuf():
ret, stdout, stderr = cppcheck([
'--inline-suppr', '--enable=information', '--error-exitcode=1',
'./proj-inline-suppress/2.c'
])
assert ret == 1
assert 'Unmatched suppression: some_warning_id' in stderr
def test_unmatched_suppression_ifdef():
ret, stdout, stderr = cppcheck([
'--enable=all', '--suppress=missingIncludeSystem', '--inline-suppr',
'-DNO_ZERO_DIV', 'trac5704/trac5704a.c'
])
assert ret == 0, stdout
assert 'unmatchedSuppression' not in stderr
def test_basepath_absolute_path():
prjpath = getAbsoluteProjectPath()
ret, stdout, stderr = cppcheck(
['--template=cppcheck1', prjpath, '-rp=' + prjpath])
filename = os.path.join(prjpath, 'main.c')
assert ret == 0
assert stderr == '[main.c:5]: (error) Division by zero.\n'
def test_suppress_unmatched_inline_suppression(): # 11172
ret, stdout, stderr = cppcheck([
'--enable=all', '--suppress=unmatchedSuppression', '--inline-suppr',
'proj-inline-suppress/2.c'
])
assert ret == 0, stdout
assert 'unmatchedSuppression' not in stderr
def test_basepath_relative_path():
prjpath = getRelativeProjectPath()
ret, stdout, stderr = cppcheck('%s -rp=%s' % (prjpath, prjpath))
filename = os.path.join(prjpath, 'main.c')
assert ret == 0
assert stdout == 'Checking %s ...\n' % (filename)
assert stderr == '[main.c:5]: (error) Division by zero.\n'
def test_gui_project_loads_absolute_vs_solution():
create_gui_project_file('test.cppcheck',
root_path=os.path.join(os.getcwd(), 'proj2').replace('\\', '/'),
import_project=os.path.join(os.getcwd(), 'proj2', 'proj2.sln').replace('\\', '/'))
ret, stdout, stderr = cppcheck('--project=test.cppcheck')
assert stderr == ('[a/a.c:1]: (error) Division by zero.\n'
'[b/b.c:1]: (error) Division by zero.\n')
def test_exclude():
prjpath = getRelativeProjectPath()
ret, stdout, stderr = cppcheck([
'-i' + prjpath, '--platform=win64',
'--project=' + os.path.join(prjpath, 'helloworld.cppcheck')
])
assert stdout == 'cppcheck: No C or C++ source files found.\n'
def test_cppcheck_project_relative_path():
prjpath = getRelativeProjectPath()
ret, stdout, stderr = cppcheck(['--template=cppcheck1', '--platform=win64', '--project=' + os.path.join(prjpath, 'helloworld.cppcheck')])
filename = os.path.join(prjpath, 'main.c')
assert ret == 0, stdout
assert getVsConfigs(stdout, filename) == 'Debug|x64'
assert stderr == '[%s:5]: (error) Division by zero.\n' % filename
def test_absolute_path():
prjpath = getAbsoluteProjectPath()
ret, stdout, stderr = cppcheck(prjpath)
filename = os.path.join(prjpath, 'main.c')
assert ret == 0
assert stdout == 'Checking %s ...\n' % (filename)
assert stderr == '[%s:5]: (error) Division by zero.\n' % (filename)
def test_cppcheck_project_absolute_path():
prjpath = getAbsoluteProjectPath()
ret, stdout, stderr = cppcheck('--platform=win64 --project=%s' % (os.path.join(prjpath, 'helloworld.cppcheck')))
filename = os.path.join(prjpath, 'main.c')
assert ret == 0
assert getVsConfigs(stdout, filename) == 'Debug|x64'
assert stderr == '[%s:5]: (error) Division by zero.\n' % (filename)
def test_addon_relative_path():
prjpath = getRelativeProjectPath()
ret, stdout, stderr = cppcheck('--addon=misra %s' % (prjpath))
filename = os.path.join(prjpath, 'main.c')
assert ret == 0
assert stdout == 'Checking %s ...\n' % (filename)
assert stderr == ('[%s:5]: (error) Division by zero.\n'
'[%s:1]: (style) misra violation (use --rule-texts=<file> to get proper output)\n' % (filename, filename))
def test_gui_project_loads_compile_commands_1():
create_compile_commands()
ret, stdout, stderr = cppcheck('--project=proj2/proj2.cppcheck')
cwd = os.getcwd()
file1 = os.path.join(cwd, 'proj2', 'a', 'a.c')
file2 = os.path.join(cwd, 'proj2', 'b', 'b.c')
assert ret == 0
assert stdout.find('Checking %s ...' % (file1)) >= 0
assert stdout.find('Checking %s ...' % (file2)) >= 0
def test_absolute_path():
create_compile_commands()
cwd = os.getcwd()
ret, stdout, stderr = cppcheck('--project=' + os.path.join(cwd,COMPILE_COMMANDS_JSON))
file1 = os.path.join(cwd, 'proj2', 'a', 'a.c')
file2 = os.path.join(cwd, 'proj2', 'b', 'b.c')
assert ret == 0
assert stdout.find('Checking %s ...' % (file1)) >= 0
assert stdout.find('Checking %s ...' % (file2)) >= 0
def test_addon_relative_path():
project_file = 'helloworld/test.cppcheck'
create_gui_project_file(project_file, paths=['.'], addon='misra')
ret, stdout, stderr = cppcheck('--project=%s' % (project_file))
filename = os.path.join('helloworld', 'main.c')
assert ret == 0
assert stdout == 'Checking %s ...\n' % (filename)
assert stderr == ('[%s:5]: (error) Division by zero.\n'
'[%s:1]: (style) misra violation (use --rule-texts=<file> to get proper output)\n' % (filename, filename))
def test_gui_project_loads_compile_commands_2():
create_compile_commands()
exclude_path_1 = os.path.join(os.getcwd(), 'proj2', 'b').replace('\\', '/')
create_gui_project_file('proj2/test.cppcheck',
import_project='compile_commands.json',
exclude_paths=[exclude_path_1])
ret, stdout, stderr = cppcheck('--project=proj2/test.cppcheck')
cwd = os.getcwd()
file1 = os.path.join(cwd, 'proj2', 'a', 'a.c')
file2 = os.path.join(cwd, 'proj2', 'b', 'b.c') # Excluded by test.cppcheck
assert ret == 0
assert stdout.find('Checking %s ...' % (file1)) >= 0
assert stdout.find('Checking %s ...' % (file2)) < 0
def test_gui_project_loads_relative_vs_solution():
create_gui_project_file('test.cppcheck', import_project='proj2/proj2.sln')
ret, stdout, stderr = cppcheck('--project=test.cppcheck')
file1 = os.path.join('proj2', 'a', 'a.c')
file2 = os.path.join('proj2', 'b', 'b.c')
assert ret == 0
assert stdout.find('Checking %s Debug|Win32...' % (file1)) >= 0
assert stdout.find('Checking %s Debug|x64...' % (file1)) >= 0
assert stdout.find('Checking %s Release|Win32...' % (file1)) >= 0
assert stdout.find('Checking %s Release|x64...' % (file1)) >= 0
assert stdout.find('Checking %s Debug|Win32...' % (file2)) >= 0
assert stdout.find('Checking %s Debug|x64...' % (file2)) >= 0
assert stdout.find('Checking %s Release|Win32...' % (file2)) >= 0
assert stdout.find('Checking %s Release|x64...' % (file2)) >= 0
def test_gui_project_loads_absolute_vs_solution():
create_gui_project_file('test.cppcheck', import_project=os.path.join(os.getcwd(),'proj2', 'proj2.sln').replace('\\', '/'))
ret, stdout, stderr = cppcheck('--project=test.cppcheck')
file1 = os.path.join(os.getcwd(), 'proj2', 'a', 'a.c')
file2 = os.path.join(os.getcwd(), 'proj2', 'b', 'b.c')
print(stdout)
assert ret == 0
assert stdout.find('Checking %s Debug|Win32...' % (file1)) >= 0
assert stdout.find('Checking %s Debug|x64...' % (file1)) >= 0
assert stdout.find('Checking %s Release|Win32...' % (file1)) >= 0
assert stdout.find('Checking %s Release|x64...' % (file1)) >= 0
assert stdout.find('Checking %s Debug|Win32...' % (file2)) >= 0
assert stdout.find('Checking %s Debug|x64...' % (file2)) >= 0
assert stdout.find('Checking %s Release|Win32...' % (file2)) >= 0
assert stdout.find('Checking %s Release|x64...' % (file2)) >= 0
def test1():
ret, stdout, stderr = cppcheck('--inline-suppr proj-inline-suppress')
assert ret == 0
def test_gui_project_loads_relative_vs_solution():
create_gui_project_file('test.cppcheck', root_path='proj2', import_project='proj2/proj2.sln', exclude_paths=['b'])
ret, stdout, stderr = cppcheck('--project=test.cppcheck')
assert stderr == '[a/a.c:1]: (error) Division by zero.\n'
def cppcheck_local(args):
cwd = os.getcwd()
os.chdir('helloworld')
ret, stdout, stderr = cppcheck(args)
os.chdir(cwd)
return (ret, stdout, stderr)
def test2():
ret, stdout, stderr = cppcheck('proj-inline-suppress')
assert ret == 0
assert len(stderr) > 0
def test_relative_path():
ret, stdout, stderr = cppcheck('helloworld')
filename = os.path.join('helloworld', 'main.c')
assert ret == 0
assert stdout == 'Checking %s ...\n' % (filename)
assert stderr == '[%s:5]: (error) Division by zero.\n' % (filename)
