micropython/tests/basics/op_error_bytearray.py

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# test errors from bad operations (unary, binary, etc)
# unsupported unary operators
try:
~bytearray()
except TypeError:
print('TypeError')
# unsupported binary operators
try:
bytearray() // 2
except TypeError:
print('TypeError')
# object with buffer protocol needed on rhs
try:
bytearray(1) + 1
except TypeError:
print('TypeError')