def test_bcs_i128(self):
self.assertEqual(
bcs.serialize(st.int128(0x0102030405060708090A0B0C0D0E0F10),
st.int128),
b"\x10\x0f\x0e\r\x0c\x0b\n\t\x08\x07\x06\x05\x04\x03\x02\x01",
)
self.assertEqual(bcs.deserialize(b"\xff" * 16, st.int128),
(st.int128(-1), b""))
st.int16(int.from_bytes(content[:2], byteorder="little", signed=True)),
content[2:],
),
st.int32:
lambda content: (
st.int32(int.from_bytes(content[:4], byteorder="little", signed=True)),
content[4:],
),
st.int64:
lambda content: (
st.int64(int.from_bytes(content[:8], byteorder="little", signed=True)),
content[8:],
),
st.int128:
lambda content: (
st.int128(int.from_bytes(content[:16], byteorder="little", signed=True)
),
content[16:],
),
st.float32:
lambda content: not_implemented(),
st.float64:
lambda content: not_implemented(),
st.unit:
lambda content: (None, content),
st.char:
lambda content: not_implemented(),
str:
lambda content: decode_str(content),
bytes:
lambda content: decode_bytes(content),
}
def deserialize_i128(self) -> st.int128:
return st.int128(int.from_bytes(self.read(16), byteorder="little", signed=True))
def test_i128_negative(self):
x = -2
y = st.int128(x)
self.assertEqual(y.high, -1)
self.assertEqual(y.low, 0xFFFFFFFFFFFFFFFE)
self.assertEqual(int(y), x)
def test_i128_positive(self):
x = 0x0102030405060708090A0B0C0D0E0F10
y = st.int128(x)
self.assertEqual(y.high, 0x0102030405060708)
self.assertEqual(y.low, 0x090A0B0C0D0E0F10)
self.assertEqual(int(y), x)