43   def  __init__(self, num_tests, num_inputs, device, dexer, debug_info):  argument
53     self._num_tests = num_tests
54     self._num_inputs = num_inputs
55     self._device = device
56     self._save_dir = None
57     self._results_dir = None
58     self._dexfuzz_dir = None
59     self._inputs_dir = None
60     self._dexfuzz_env = None
61     self._dexer = dexer
62     self._debug_info = debug_info
64   def __enter__(self):  argument
70     self._save_dir = os.getcwd()
71     self._results_dir = mkdtemp(dir='/tmp/')
72     self._dexfuzz_dir = mkdtemp(dir=self._results_dir)
73     self._inputs_dir = mkdtemp(dir=self._dexfuzz_dir)
74     if self._results_dir is None or self._dexfuzz_dir is None or \
75         self._inputs_dir is None:
77     self._dexfuzz_env = os.environ.copy()
78     self._dexfuzz_env['ANDROID_DATA'] = self._dexfuzz_dir
80     self._dexfuzz_env['PATH'] = (top + '/art/tools/bisection_search:' +
81                                  self._dexfuzz_env['PATH'])
83     self._dexfuzz_env['ANDROID_ROOT'] = android_root
84     self._dexfuzz_env['LD_LIBRARY_PATH'] = android_root + '/lib'
85     os.chdir(self._dexfuzz_dir)
88     return self
90   def __exit__(self, etype, evalue, etraceback):  argument
92     os.chdir(self._save_dir)
95   def Run(self):  argument
100     print('#Tests    :', self._num_tests)
101     print('Device    :', self._device)
102     print('Directory :', self._results_dir)
104     self.GenerateJFuzzPrograms()
105     self.RunDexFuzz()
107   def CompileOnHost(self):  argument
113     if self._dexer == 'dx' or self._dexer == 'd8':
114       dbg = '-g' if self._debug_info else '-g:none'
120       dx = 'dx' if self._dexer == 'dx' else 'd8-compat-dx'
131       raise FatalError('Unknown dexer: ' + self._dexer)
133   def GenerateJFuzzPrograms(self):  argument
139     os.chdir(self._inputs_dir)
140     for i in range(1, self._num_inputs + 1):
144       self.CompileOnHost()
148   def RunDexFuzz(self):  argument
150     os.chdir(self._dexfuzz_dir)
151     dexfuzz_args = ['--inputs=' + self._inputs_dir,
154                     '--repeat=' + str(self._num_tests),
161     if self._device is not None:
162       dexfuzz_args += ['--device=' + self._device, '--allarm']
167     call(cmd, env=self._dexfuzz_env)