File: test_elffile.py

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python-pyelftools 0.24-3~bpo8%2B1
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#-------------------------------------------------------------------------------
# elftools tests
#
# Eli Bendersky (eliben@gmail.com)
# This code is in the public domain
#-------------------------------------------------------------------------------
try:
    import unittest2 as unittest
except ImportError:
    import unittest

from utils import setup_syspath; setup_syspath()
from elftools.elf.elffile import ELFFile

class TestMap(unittest.TestCase):
    def test_address_offsets(self):
        class MockELF(ELFFile):
            __init__ = object.__init__
            def iter_segments(self):
                return iter((
                    dict(p_vaddr=0x10200, p_filesz=0x200, p_offset=0x100),
                    dict(p_vaddr=0x10100, p_filesz=0x100, p_offset=0x400),
                ))

        elf = MockELF()

        self.assertEqual(tuple(elf.address_offsets(0x10100)), (0x400,))
        self.assertEqual(tuple(elf.address_offsets(0x10120)), (0x420,))
        self.assertEqual(tuple(elf.address_offsets(0x101FF)), (0x4FF,))
        self.assertEqual(tuple(elf.address_offsets(0x10200)), (0x100,))
        self.assertEqual(tuple(elf.address_offsets(0x100FF)), ())
        self.assertEqual(tuple(elf.address_offsets(0x10400)), ())

        self.assertEqual(
            tuple(elf.address_offsets(0x10100, 0x100)), (0x400,))
        self.assertEqual(tuple(elf.address_offsets(0x10100, 4)), (0x400,))
        self.assertEqual(tuple(elf.address_offsets(0x10120, 4)), (0x420,))
        self.assertEqual(tuple(elf.address_offsets(0x101FC, 4)), (0x4FC,))
        self.assertEqual(tuple(elf.address_offsets(0x10200, 4)), (0x100,))
        self.assertEqual(tuple(elf.address_offsets(0x10100, 0x200)), ())
        self.assertEqual(tuple(elf.address_offsets(0x10000, 0x800)), ())
        self.assertEqual(tuple(elf.address_offsets(0x100FC, 4)), ())
        self.assertEqual(tuple(elf.address_offsets(0x100FE, 4)), ())
        self.assertEqual(tuple(elf.address_offsets(0x101FE, 4)), ())
        self.assertEqual(tuple(elf.address_offsets(0x103FE, 4)), ())
        self.assertEqual(tuple(elf.address_offsets(0x10400, 4)), ())


if __name__ == '__main__':
    unittest.main()