def test_complete_struct():
BLong = new_primitive_type("long")
BChar = new_primitive_type("char")
BShort = new_primitive_type("short")
BStruct = new_struct_type("foo")
assert _getfields(BStruct) is None
complete_struct_or_union(BStruct, [('a1', BLong, -1), ('a2', BChar, -1),
('a3', BShort, -1)])
d = _getfields(BStruct)
assert len(d) == 3
assert d[0][0] == 'a1'
assert d[0][1].type is BLong
assert d[0][1].offset == 0
assert d[0][1].bitshift == -1
assert d[0][1].bitsize == -1
assert d[1][0] == 'a2'
assert d[1][1].type is BChar
assert d[1][1].offset == sizeof_type(BLong)
assert d[1][1].bitshift == -1
assert d[1][1].bitsize == -1
assert d[2][0] == 'a3'
assert d[2][1].type is BShort
assert d[2][1].offset == sizeof_type(BLong) + sizeof_type(BShort)
assert d[2][1].bitshift == -1
assert d[2][1].bitsize == -1
assert sizeof_type(BStruct) == 2 * sizeof_type(BLong)
assert alignof(BStruct) == alignof(BLong)
def test_enum_type():
BEnum = new_enum_type("foo", (), ())
assert repr(BEnum) == "<ctype 'enum foo'>"
assert _getfields(BEnum) == []
#
BEnum = new_enum_type("foo", ('def', 'c', 'ab'), (0, 1, -20))
assert _getfields(BEnum) == [(-20, 'ab'), (0, 'def'), (1, 'c')]
def test_enum_type():
BEnum = new_enum_type("foo", (), ())
assert repr(BEnum) == "<ctype 'enum foo'>"
assert _getfields(BEnum) == []
#
BEnum = new_enum_type("foo", ('def', 'c', 'ab'), (0, 1, -20))
assert _getfields(BEnum) == [(-20, 'ab'), (0, 'def'), (1, 'c')]
def test_complete_struct():
BLong = new_primitive_type("long")
BChar = new_primitive_type("char")
BShort = new_primitive_type("short")
BStruct = new_struct_type("foo")
assert _getfields(BStruct) is None
complete_struct_or_union(BStruct, [('a1', BLong, -1),
('a2', BChar, -1),
('a3', BShort, -1)])
d = _getfields(BStruct)
assert len(d) == 3
assert d[0][0] == 'a1'
assert d[0][1].type is BLong
assert d[0][1].offset == 0
assert d[0][1].bitshift == -1
assert d[0][1].bitsize == -1
assert d[1][0] == 'a2'
assert d[1][1].type is BChar
assert d[1][1].offset == sizeof_type(BLong)
assert d[1][1].bitshift == -1
assert d[1][1].bitsize == -1
assert d[2][0] == 'a3'
assert d[2][1].type is BShort
assert d[2][1].offset == sizeof_type(BLong) + sizeof_type(BShort)
assert d[2][1].bitshift == -1
assert d[2][1].bitsize == -1
assert sizeof_type(BStruct) == 2 * sizeof_type(BLong)
assert alignof(BStruct) == alignof(BLong)
def test_complete_union():
BLong = new_primitive_type("long")
BChar = new_primitive_type("char")
BUnion = new_union_type("foo")
assert _getfields(BUnion) is None
complete_struct_or_union(BUnion, [('a1', BLong, -1), ('a2', BChar, -1)])
d = _getfields(BUnion)
assert len(d) == 2
assert d[0][0] == 'a1'
assert d[0][1].type is BLong
assert d[0][1].offset == 0
assert d[1][0] == 'a2'
assert d[1][1].type is BChar
assert d[1][1].offset == 0
assert sizeof_type(BUnion) == sizeof_type(BLong)
assert alignof(BUnion) == alignof(BLong)
def test_complete_union():
BLong = new_primitive_type("long")
BChar = new_primitive_type("char")
BUnion = new_union_type("foo")
assert _getfields(BUnion) is None
complete_struct_or_union(BUnion, [('a1', BLong, -1),
('a2', BChar, -1)])
d = _getfields(BUnion)
assert len(d) == 2
assert d[0][0] == 'a1'
assert d[0][1].type is BLong
assert d[0][1].offset == 0
assert d[1][0] == 'a2'
assert d[1][1].type is BChar
assert d[1][1].offset == 0
assert sizeof_type(BUnion) == sizeof_type(BLong)
assert alignof(BUnion) == alignof(BLong)
def test_struct_with_bitfields():
BLong = new_primitive_type("long")
BStruct = new_struct_type("foo")
LONGBITS = 8 * sizeof_type(BLong)
complete_struct_or_union(BStruct, [('a1', BLong, 1), ('a2', BLong, 2),
('a3', BLong, 3),
('a4', BLong, LONGBITS - 5)])
d = _getfields(BStruct)
assert d[0][1].offset == d[1][1].offset == d[2][1].offset == 0
assert d[3][1].offset == sizeof_type(BLong)
assert d[0][1].bitshift == 0
assert d[0][1].bitsize == 1
assert d[1][1].bitshift == 1
assert d[1][1].bitsize == 2
assert d[2][1].bitshift == 3
assert d[2][1].bitsize == 3
assert d[3][1].bitshift == 0
assert d[3][1].bitsize == LONGBITS - 5
assert sizeof_type(BStruct) == 2 * sizeof_type(BLong)
assert alignof(BStruct) == alignof(BLong)
def test_struct_with_bitfields():
BLong = new_primitive_type("long")
BStruct = new_struct_type("foo")
LONGBITS = 8 * sizeof_type(BLong)
complete_struct_or_union(BStruct, [('a1', BLong, 1),
('a2', BLong, 2),
('a3', BLong, 3),
('a4', BLong, LONGBITS - 5)])
d = _getfields(BStruct)
assert d[0][1].offset == d[1][1].offset == d[2][1].offset == 0
assert d[3][1].offset == sizeof_type(BLong)
assert d[0][1].bitshift == 0
assert d[0][1].bitsize == 1
assert d[1][1].bitshift == 1
assert d[1][1].bitsize == 2
assert d[2][1].bitshift == 3
assert d[2][1].bitsize == 3
assert d[3][1].bitshift == 0
assert d[3][1].bitsize == LONGBITS - 5
assert sizeof_type(BStruct) == 2 * sizeof_type(BLong)
assert alignof(BStruct) == alignof(BLong)
