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"""Warnings for using type(x) == Y or type(x) is Y instead of isinstance(x, Y)."""
# pylint: disable=missing-docstring,expression-not-assigned,redefined-builtin,invalid-name
def simple_positives():
type(42) is int # [unidiomatic-typecheck]
type(42) is not int # [unidiomatic-typecheck]
type(42) == int # [unidiomatic-typecheck]
type(42) != int # [unidiomatic-typecheck]
type(42) in [int] # [unidiomatic-typecheck]
type(42) not in [int] # [unidiomatic-typecheck]
def simple_inference_positives():
alias = type
alias(42) is int # [unidiomatic-typecheck]
alias(42) is not int # [unidiomatic-typecheck]
alias(42) == int # [unidiomatic-typecheck]
alias(42) != int # [unidiomatic-typecheck]
alias(42) in [int] # [unidiomatic-typecheck]
alias(42) not in [int] # [unidiomatic-typecheck]
def type_creation_negatives():
type('Q', (object,), dict(a=1)) is int
type('Q', (object,), dict(a=1)) is not int
type('Q', (object,), dict(a=1)) == int
type('Q', (object,), dict(a=1)) != int
type('Q', (object,), dict(a=1)) in [int]
type('Q', (object,), dict(a=1)) not in [int]
def invalid_type_call_negatives(**kwargs):
type(bad=7) is int
type(bad=7) is not int
type(bad=7) == int
type(bad=7) != int
type(bad=7) in [int]
type(bad=7) not in [int]
type('bad', 7) is int
type('bad', 7) is not int
type('bad', 7) == int
type('bad', 7) != int
type('bad', 7) in [int]
type('bad', 7) not in [int]
type(**kwargs) is int
type(**kwargs) is not int
type(**kwargs) == int
type(**kwargs) != int
type(**kwargs) in [int]
type(**kwargs) not in [int]
def local_var_shadowing_inference_negatives():
type = lambda dummy: 7
type(42) is int
type(42) is not int
type(42) == int
type(42) != int
type(42) in [int]
type(42) not in [int]
def parameter_shadowing_inference_negatives(type):
type(42) is int
type(42) is not int
type(42) == int
type(42) != int
type(42) in [int]
type(42) not in [int]
def deliberate_subclass_check_negatives(b):
type(42) is type(b)
type(42) is not type(b)
def type_of_literals_positives(a):
type(a) is type([]) # [unidiomatic-typecheck]
type(a) is not type([]) # [unidiomatic-typecheck]
type(a) is type({}) # [unidiomatic-typecheck]
type(a) is not type({}) # [unidiomatic-typecheck]
type(a) is type("") # [unidiomatic-typecheck]
type(a) is not type("") # [unidiomatic-typecheck]
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