def test_read_only_flag(self):
"""Test an int read only flag."""
ex_prop = ExtendedProperty(random_address(), "ext_prop", int, False, True)
op_flag = OperatingFlag(random_address(), "op_flag", int, False, True)
for flag in [ex_prop, op_flag]:
orig = randint(0, 100)
mod = randint(101, 255)
assert not flag.is_loaded
flag.load(orig)
assert flag.is_loaded
assert flag.value == orig
assert not flag.is_dirty
flag.new_value = mod
assert flag.value == orig
assert flag.new_value is None
assert not flag.is_dirty
flag.new_value = None
assert not flag.is_dirty
assert not flag.is_reversed
assert flag.is_read_only
def test_reverse_bool_flag(self):
"""Test a reversed bool writable flag."""
ex_prop = ExtendedProperty(random_address(), "ext_prop", bool, True, False)
op_flag = OperatingFlag(random_address(), "op_flag", bool, True, False)
for flag in [ex_prop, op_flag]:
assert not flag.is_loaded
for orig in [True, False]:
reverse = not orig
flag.load(orig)
assert flag.is_loaded
assert flag.value == reverse
assert not flag.is_dirty
flag.new_value = reverse
assert flag.value == reverse
assert flag.new_value == orig
assert flag.is_dirty
assert flag.is_reversed
assert not flag.is_read_only
def test_is_dirty(self):
"""Test is_dirty property."""
ex_prop = ExtendedProperty(random_address(), "ext_prop", int, False,
False)
op_flag = OperatingFlag(random_address(), "op_flag", int, False, False)
for flag in [ex_prop, op_flag]:
# load(orig) -> not is_dirty
# new_value = mod -> is_dirty
# new_value = orig => not is_dirty
# new_value = None => not is_dirty
orig = randint(0, 100)
mod = randint(101, 255)
assert not flag.is_loaded
flag.load(orig)
assert flag.is_loaded
assert flag.value == orig
assert not flag.is_dirty
flag.new_value = mod
assert flag.value == orig
assert flag.new_value == mod
assert flag.is_dirty
flag.new_value = orig
assert flag.value == orig
assert flag.new_value is None
assert not flag.is_dirty
flag.new_value = mod
assert flag.is_dirty
flag.new_value = None
assert flag.value == orig
assert flag.new_value is None
assert not flag.is_dirty