test/test_dwarf_structs.py

   1 #-------------------------------------------------------------------------------
   2 # elftools tests
   3 #
   4 # Eli Bendersky (eliben@gmail.com)
   5 # This code is in the public domain
   6 #-------------------------------------------------------------------------------
   7 try:
   8     import unittest2 as unittest
   9 except ImportError:
  10     import unittest
  11
  12 from utils import setup_syspath; setup_syspath()
  13 from elftools.dwarf.structs import DWARFStructs
  14
  15
  16 class TestDWARFStructs(unittest.TestCase):
  17     def test_lineprog_header(self):
  18         ds = DWARFStructs(little_endian=True, dwarf_format=32, address_size=4)
  19
  20         c = ds.Dwarf_lineprog_header.parse(
  21             b'\x04\x10\x00\x00' +    # initial lenght
  22             b'\x05\x02' +            # version
  23             b'\x20\x00\x00\x00' +    # header length
  24             b'\x05\x10\x40\x50' +    # until and including line_range
  25             b'\x06' +                # opcode_base
  26             b'\x00\x01\x04\x08\x0C' + # standard_opcode_lengths
  27             # 2 dir names followed by a NULL
  28             b'\x61\x62\x00\x70\x00\x00' +
  29             # a file entry
  30             b'\x61\x72\x00\x0C\x0D\x0F' +
  31             # and another entry
  32             b'\x45\x50\x51\x00\x86\x12\x07\x08' +
  33             # followed by NULL
  34             b'\x00')
  35
  36         self.assertEqual(c.version, 0x205)
  37         self.assertEqual(c.opcode_base, 6)
  38         self.assertEqual(c.standard_opcode_lengths, [0, 1, 4, 8, 12])
  39         self.assertEqual(c.include_directory, [b'ab', b'p'])
  40         self.assertEqual(len(c.file_entry), 2)
  41         self.assertEqual(c.file_entry[0].name, b'ar')
  42         self.assertEqual(c.file_entry[1].name, b'EPQ')
  43         self.assertEqual(c.file_entry[1].dir_index, 0x12 * 128 + 6)
  44
  45
  46 if __name__ == '__main__':
  47     unittest.main()
  48