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#pylint: disable=missing-docstring, undefined-variable, invalid-name, too-few-public-methods, wrong-import-position,import-error
import collections
from unknown import Unknown
# Positive test cases
class A:
pass
class B(A):
pass
isinstance(A(), A)
isinstance(A(), B)
isinstance(-9999, int)
isinstance(True and False, bool)
isinstance("a 'string'", type("test"))
isinstance(3.123213, collections.OrderedDict)
isinstance(foo, (int, collections.Counter))
isinstance("a string", ((int, type(False)), (float, set), str))
isinstance(10, (int,) + (str, bool) + (dict, list, tuple))
isinstance(10, tuple(Unknown))
# Negative test cases
isinstance({a:1}, hash) # [isinstance-second-argument-not-valid-type]
isinstance(64, hex) # [isinstance-second-argument-not-valid-type]
isinstance({b: 100}, (hash, dict)) # [isinstance-second-argument-not-valid-type]
isinstance("string", ((dict, iter), str, (int, bool))) # [isinstance-second-argument-not-valid-type]
isinstance(int, 1) # [isinstance-second-argument-not-valid-type]
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