circuitpython/tests/basics/op_error.py

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# test errors from bad operations (unary, binary, etc)
# unsupported unary operators
try:
~None
except TypeError:
print('TypeError')
try:
~''
except TypeError:
print('TypeError')
try:
~[]
except TypeError:
print('TypeError')
# unsupported binary operators
try:
False in True
except TypeError:
print('TypeError')
try:
1 * {}
except TypeError:
print('TypeError')
try:
1 in 1
except TypeError:
print('TypeError')
# unsupported subscription
try:
1[0] = 1
except TypeError:
print('TypeError')
try:
'a'[0] = 1
except TypeError:
print('TypeError')
try:
del 1[0]
except TypeError:
print('TypeError')
# not an iterator
try:
next(1)
except TypeError:
print('TypeError')
# must be an exception type
try:
raise 1
except TypeError:
print('TypeError')
# no such name in import
try:
from sys import youcannotimportmebecauseidontexist
except ImportError:
print('ImportError')