def test_code_mem_fault(dbg):
address = 0x80
with pytest.raises(MemFaultError) as info:
dbg.run(address=address)
assert info.value.cause is FaultCause.UNMAPPED
assert info.value.access == Access.execute(address)
assert info.value.address == address
def test_write_error(emu):
address = 0x1001
data = b'3' * 3
with pytest.raises(MemoryAccessError) as info:
emu.mem.write(address, data)
assert info.value.access == Access(AccessType.W, address, len(data), data)
def test_read_error(emu):
address = 0x80
size = 0x11
with pytest.raises(MemoryAccessError) as info:
emu.mem.read(address, size)
assert info.value.access == Access.read(address, size)
def test_mem_fault(dbg):
address = 0xDEADBEEF
value = 0xFAFAFAFA
dbg.mem.write_code(CODE_ADDRESS,
f'LDR R0, ={address}; LDR R1, ={value}; STR R1, [R0]')
with pytest.raises(MemFaultError) as info:
dbg.run(3)
assert info.value.cause is FaultCause.UNMAPPED
assert info.value.access == Access(AccessType.W, address, 4,
dbg.arch.encode_word(value))
assert info.value.address == CODE_ADDRESS + 8
assert repr(
info.value
) == f'MemFaultError(0x{CODE_ADDRESS + 8:X}, FaultCause.UNMAPPED, {info.value.access!r})'
def test_bad_split_write(mem):
seg = mem.map(0x100000, 0x80)
with pytest.raises(MemoryAccessError) as info:
mem.write(seg.end - 2, b'AAAA')
assert info.value.access == Access.write(seg.end - 2, b'AAAA')
def test_repr():
address = 0x1000
access = Access(AccessType.W, address, 5, b'AAAA')
assert hex(address) in repr(access)
def test_write_hook(rw_test_dbg: Debugger, access_hook):
rw_test_dbg.add_write_hook(access_hook, TEST_ADDRESS)
rw_test_dbg.run()
assert access_hook.count == 1
assert access_hook.access == Access.write(TEST_ADDRESS, b'\x03')
def test_read_hook(rw_test_dbg: Debugger, access_hook):
rw_test_dbg.add_read_hook(access_hook, TEST_ADDRESS)
rw_test_dbg.run()
assert access_hook.count == 1
assert access_hook.access == Access.read(TEST_ADDRESS, 1)