def test_typechecks_type_another() -> None:
ptr1 = Pointer32(SomeStruct, 0)
ptr2 = Pointer32(UInt16, 0)
ptr1_t = typeof(ptr1)
ptr2_t = typeof(ptr2)
assert not isinstance(ptr1_t, ptr2_t)
assert not issubclass(ptr1_t, ptr2_t)
assert not isinstance(ptr1, ptr2_t)
with raises(TypeError):
issubclass(ptr1, ptr2_t) # type: ignore
def test_create_new() -> None:
ptr = Pointer32(SomeStruct, 0x1234)
ptr_t = typeof(ptr)
assert ptr_t.int_type() is UInt32
assert ptr_t.ref_type() is SomeStruct
assert sizeof(ptr_t) == 4
assert sizeof(ptr) == 4
def test_void_2() -> None:
ptr = Pointer32(Void, 0x12)
assert ptr.int_type() is UInt32
assert ptr.ref_type() is Void
assert sizeof(ptr) == 4
ptr_t = typeof(ptr)
assert ptr_t.int_type() is UInt32
assert ptr_t.ref_type() is Void
assert sizeof(ptr_t) == 4
def test_typechecks_type() -> None:
ptr = Pointer32(SomeStruct, 0)
ptr_t = typeof(ptr)
assert not isinstance(Pointer32, ptr_t)
assert not issubclass(Pointer32, ptr_t)
assert not isinstance(ptr_t, ptr_t)
assert issubclass(ptr_t, ptr_t)
assert isinstance(ptr, ptr_t)
with raises(TypeError):
issubclass(ptr, ptr_t) # type: ignore
assert not isinstance(0, ptr_t)
with raises(TypeError):
issubclass(0, ptr_t) # type: ignore
def test_init_another_2() -> None:
ptr1 = Pointer32(SomeStruct, 0x1234)
ptr2 = Pointer32(SomeStruct, ptr1)
assert ptr2.get() == 0x1234
def test_init_another_1() -> None:
ptr_t = Pointer32[SomeStruct]
ptr1 = Pointer32(SomeStruct, 0x1234)
ptr2 = ptr_t(ptr1)
assert ptr2.get() == 0x1234
def test_init_int_2() -> None:
ptr = Pointer32(SomeStruct, 0x1234)
assert ptr.get() == 0x1234
def test_init_bytes_2() -> None:
ptr = Pointer32(SomeStruct, b'\x12\x34\x56\x78')
assert ptr.get() == 0x78563412
def test_name_2() -> None:
data = Pointer32(UInt16, 0)
ptr_t = typeof(data)
assert type_name(ptr_t) == 'uint16_t *'
assert type_name(data) == 'uint16_t *'
class StructA(Struct):
ptr = Pointer32(ForwardRef)
class Container(Struct):
ptr = Pointer32(SomeStruct)
def test_bytes_cast() -> None:
ptr = Pointer32(SomeStruct, 0x1234)
assert bytes(ptr) == b'\x34\x12\x00\x00'
def test_name_fwdred() -> None:
data = Pointer32(ForwardRef, 0)
ptr_t = typeof(data)
assert type_name(ptr_t) == 'void *'
assert type_name(data) == 'void *'
def test_name_void() -> None:
data = Pointer32(Void, 0)
ptr_t = typeof(data)
assert type_name(ptr_t) == 'void *'
assert type_name(data) == 'void *'
def test_init_none_2() -> None:
ptr = Pointer32(SomeStruct)
assert ptr.get() == 0
def test_init_bad_2() -> None:
with raises(TypeError):
_ = Pointer32(SomeStruct, 'Bad value') # type: ignore
def test_int_cast() -> None:
ptr = Pointer32(SomeStruct, 0x1234)
assert int(ptr) == 0x1234
