build/android/enable_asserts.py

   1 #!/usr/bin/env python
   2 #
   3 # Copyright (c) 2012 The Chromium Authors. All rights reserved.
   4 # Use of this source code is governed by a BSD-style license that can be
   5 # found in the LICENSE file.
   6
   7 """Enables dalvik vm asserts in the android device."""
   8
   9 import argparse
  10 import sys
  11
  12 from devil.android import device_blacklist
  13 from devil.android import device_utils
  14
  15
  16 def main():
  17   parser = argparse.ArgumentParser()
  18
  19   parser.add_argument('--blacklist-file', help='Device blacklist JSON file.')
  20
  21   set_asserts_group = parser.add_mutually_exclusive_group(required=True)
  22   set_asserts_group.add_argument(
  23       '--enable_asserts', dest='set_asserts', action='store_true',
  24       help='Sets the dalvik.vm.enableassertions property to "all"')
  25   set_asserts_group.add_argument(
  26       '--disable_asserts', dest='set_asserts', action='store_false',
  27       help='Removes the dalvik.vm.enableassertions property')
  28
  29   args = parser.parse_args()
  30
  31   if args.blacklist_file:
  32     blacklist = device_blacklist.Blacklist(args.blacklist_file)
  33   else:
  34     blacklist = None
  35
  36   # TODO(jbudorick): Accept optional serial number and run only for the
  37   # specified device when present.
  38   devices = device_utils.DeviceUtils.parallel(
  39       device_utils.DeviceUtils.HealthyDevices(blacklist))
  40
  41   def set_java_asserts_and_restart(device):
  42     if device.SetJavaAsserts(args.set_asserts):
  43       device.RunShellCommand('stop')
  44       device.RunShellCommand('start')
  45
  46   devices.pMap(set_java_asserts_and_restart)
  47   return 0
  48
  49
  50 if __name__ == '__main__':
  51   sys.exit(main())