micropython/tests/basics/bytes_construct.py

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# test construction of bytes from different objects
from array import array
# tuple, list, bytearray
print(bytes((1, 2)))
print(bytes([1, 2]))
print(bytes(bytearray(4)))
# arrays
print(bytes(array('b', [1, 2])))
print(bytes(array('h', [0x101, 0x202])))
# long ints
print(ord(bytes([14953042807679334000 & 0xff])))
# constructor value out of range
try:
bytes([-1])
except ValueError:
print('ValueError')
# constructor value out of range
try:
bytes([256])
except ValueError:
print('ValueError')
# error in construction
try:
a = bytes([1, 2, 3], 1)
except TypeError:
print('TypeError')