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pwndbg/tests/test_memory.py

34 lines
1.0 KiB
Python

from __future__ import absolute_import
from __future__ import division
from __future__ import print_function
from __future__ import unicode_literals
import gdb
import pytest
import pwndbg.memory
import pwndbg.stack
def test_memory_read_write(entry_binary):
"""
Tests simple pwndbg's memory read/write operations with different argument types
"""
entry_binary('reference-binary.out')
stack_addr = next(iter(pwndbg.stack.stacks.values())).vaddr
# Testing write(addr, str)
val = 'X' * 50
pwndbg.memory.write(stack_addr, val)
assert pwndbg.memory.read(stack_addr, len(val)+1) == bytearray(b'X'*50 + b'\x00')
# Testing write(addr, bytearray)
val = bytearray('Y' * 10, 'utf8')
pwndbg.memory.write(stack_addr, val)
assert pwndbg.memory.read(stack_addr, len(val)+4) == val + bytearray(b'XXXX')
# Testing write(addr, bytes)
val = bytes('Z' * 8, 'utf8')
pwndbg.memory.write(stack_addr, val)
assert pwndbg.memory.read(stack_addr, len(val)+4) == bytearray('Z'*8 + 'YYXX', 'utf8')