try: bytearray()[:] = bytearray() except TypeError: print("SKIP") raise SystemExit # test slices; only 2 argument version supported by MicroPython at the moment x = bytearray(range(10)) # Assignment l = bytearray(x) l[1:3] = bytearray([10, 20]) print(l) l = bytearray(x) l[1:3] = bytearray([10]) print(l) l = bytearray(x) l[1:3] = bytearray() print(l) l = bytearray(x) # del l[1:3] print(l) l = bytearray(x) l[:3] = bytearray([10, 20]) print(l) l = bytearray(x) l[:3] = bytearray() print(l) l = bytearray(x) # del l[:3] print(l) l = bytearray(x) l[:-3] = bytearray([10, 20]) print(l) l = bytearray(x) l[:-3] = bytearray() print(l) l = bytearray(x) # del l[:-3] print(l) # slice assignment that extends the array b = bytearray(2) b[2:] = bytearray(10) print(b) b = bytearray(10) b[:-1] = bytearray(500) print(len(b), b[0], b[-1]) # extension with self on RHS b = bytearray(x) b[4:] = b print(b) # Assignment of bytes to array slice b = bytearray(2) b[1:1] = b"12345" print(b) # Growth of bytearray via slice extension b = bytearray(b"12345678") b.append(57) # expand and add a bit of unused space at end of the bytearray for i in range(400): b[-1:] = b"ab" # grow slowly into the unused space print(len(b), b) # Growth of bytearray via slice extension from itself b = bytearray(b"1234567") for i in range(3): b[-1:] = b print(len(b), b)