def test_fail_on_dynamic_length(self):
union = UnionTemplate('NotLegal', 'dymagic', parent=None)
union.add(UInt(2, 'bar', None))
struct = StructTemplate('Foo', 'foo', parent=None)
struct.add(UInt(1, 'len', 22))
struct.add(Char('len', 'dymagic', 'foo'))
self.assertRaises(Exception, union.add, struct)
def test_fail_on_dynamic_length(self):
union = UnionTemplate('NotLegal', 'dymagic', parent=None)
union.add(UInt(2, 'bar', None))
struct = StructTemplate('Foo', 'foo', parent=None)
struct.add(UInt(1, 'len', 22))
struct.add(Char('len', 'dymagic', 'foo'))
self.assertRaises(Exception, union.add, struct)
def _check_length(self, length, *fields):
union = UnionTemplate('Foo', 'foo', parent=None)
for value in fields:
union.add(value)
self.assertEquals(union.get_static_length(), length)
def _get_foo_union(self):
union = UnionTemplate('Foo', 'foo', parent=None)
union.add(UInt(1, 'small', '0xff'))
union.add(UInt(2, 'medium', '0xf00d'))
union.add(UInt(4, 'large', None))
return union
def _get_foo_union(self):
union = UnionTemplate('Foo', 'foo', parent=None)
union.add(UInt(1, 'small', '0xff'))
union.add(UInt(2, 'medium', '0xf00d'))
union.add(UInt(4, 'large', None))
return union
def _check_length(self, length, *fields):
union = UnionTemplate('Foo', 'foo', parent=None)
for value in fields:
union.add(value)
self.assertEquals(union.get_static_length(), length)