92 lines
2.6 KiB
Python
92 lines
2.6 KiB
Python
# Test if --bug-hunting works using the itc testsuite
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# The itc test suite can be downloaded here:
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# https://github.com/regehr/itc-benchmarks
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import os
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import re
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import shutil
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import sys
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import subprocess
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if sys.argv[0] in ('test/bug-hunting/itc.py', './test/bug-hunting/itc.py'):
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CPPCHECK_PATH = './cppcheck'
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else:
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CPPCHECK_PATH = '../../cppcheck'
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if len(sys.argv) >= 2 and sys.argv[-1] != '--clang':
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TESTFILES = [sys.argv[-1]]
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else:
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TESTFILES = [os.path.expanduser('~/itc/01.w_Defects/zero_division.c'),
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os.path.expanduser('~/itc/01.w_Defects/uninit_var.c')]
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if not os.path.isfile(TESTFILES[0]):
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print('ERROR: %s is not a file' % TESTFILES[0])
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sys.exit(1)
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RUN_CLANG = ('--clang' in sys.argv)
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def get_error_lines(filename):
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ret = []
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f = open(filename, 'rt')
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lines = f.readlines()
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for linenr, line in enumerate(lines):
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if line.find('/* ERROR:') > 0 or line.find('/*ERROR:') > 0:
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linenr += 1
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if testfile.find('uninit_') >= 0:
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if linenr == 177:
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linenr = 176
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elif linenr == 241:
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linenr = 242 # warn about usage
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ret.append(linenr)
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return ret
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def check(filename):
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cmd = [CPPCHECK_PATH,
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'--bug-hunting',
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'--bug-hunting-check-function-max-time=10'
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'--platform=unix64',
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filename]
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if RUN_CLANG:
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cmd.append('--clang')
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print(' '.join(cmd))
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p = subprocess.Popen(cmd, stdout=subprocess.PIPE, stderr=subprocess.PIPE)
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comm = p.communicate()
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stdout = comm[0].decode(encoding='utf-8', errors='ignore')
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stderr = comm[1].decode(encoding='utf-8', errors='ignore')
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if RUN_CLANG:
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shutil.rmtree('itc-build-dir')
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if filename.find('zero_division.c') >= 0:
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w = r'.*zero_division.c:([0-9]+):[0-9]+: error: There is division.*'
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elif filename.find('uninit_') >= 0:
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w = r'.*c:([0-9]+):[0-9]+: error: .*bughuntingUninit.*'
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else:
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w = r'.*c:([0-9]+):[0-9]+: error: .*bughunting.*'
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ret = []
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for line in stderr.split('\n'):
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res = re.match(w, line)
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if res is None:
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continue
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linenr = int(res.group(1))
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if linenr not in ret:
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ret.append(linenr)
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return ret
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for testfile in TESTFILES:
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wanted = get_error_lines(testfile)
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actual = check(testfile)
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missing = []
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for w in wanted:
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if w not in actual:
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missing.append(w)
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if len(missing) > 0:
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print('wanted:' + str(wanted))
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print('actual:' + str(actual))
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print('missing:' + str(missing))
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sys.exit(1)
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