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# test errors from bad operations (unary, binary, etc)
def test_exc(code, exc):
try:
exec(code)
print("no exception")
except exc:
print("right exception")
except:
print("wrong exception")
# unsupported unary operators
test_exc("~None", TypeError)
test_exc("~''", TypeError)
test_exc("~[]", TypeError)
test_exc("~bytearray()", TypeError)
# unsupported binary operators
test_exc("False in True", TypeError)
test_exc("1 * {}", TypeError)
test_exc("1 in 1", TypeError)
test_exc("bytearray() // 2", TypeError)
test_exc("m = memoryview(bytearray())\nm += bytearray()", TypeError)
# object with buffer protocol needed on rhs
test_exc("bytearray(1) + 1", TypeError)
test_exc("(1 << 70) in 1", TypeError)
# unsupported subscription
test_exc("1[0]", TypeError)
test_exc("1[0] = 1", TypeError)
test_exc("''['']", TypeError)
test_exc("'a'[0] = 1", TypeError)
test_exc("del 1[0]", TypeError)
# not callable
test_exc("1()", TypeError)
# not an iterator
test_exc("next(1)", TypeError)
# must be an exception type
test_exc("raise 1", TypeError)
# no such name in import
test_exc("from sys import youcannotimportmebecauseidontexist", ImportError)
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