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Commit0397f04

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gh-100129: Add tests for pickling all builtin types and functions (GH-100142)
(cherry picked from commitb98d2d3)Co-authored-by: Serhiy Storchaka <storchaka@gmail.com>
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‎Lib/test/pickletester.py

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importbuiltins
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importcollections
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importcopyreg
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importdbm
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importstruct
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importsys
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importthreading
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importtypes
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importunittest
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importweakref
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fromtextwrapimportdedent
@@ -1980,6 +1982,33 @@ def test_singleton_types(self):
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u=self.loads(s)
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self.assertIs(type(singleton),u)
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deftest_builtin_types(self):
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fortinbuiltins.__dict__.values():
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ifisinstance(t,type)andnotissubclass(t,BaseException):
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forprotoinprotocols:
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s=self.dumps(t,proto)
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self.assertIs(self.loads(s),t)
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deftest_builtin_exceptions(self):
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fortinbuiltins.__dict__.values():
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ifisinstance(t,type)andissubclass(t,BaseException):
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forprotoinprotocols:
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s=self.dumps(t,proto)
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u=self.loads(s)
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ifproto<=2andissubclass(t,OSError)andtisnotBlockingIOError:
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self.assertIs(u,OSError)
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elifproto<=2andissubclass(t,ImportError):
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self.assertIs(u,ImportError)
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else:
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self.assertIs(u,t)
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deftest_builtin_functions(self):
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fortinbuiltins.__dict__.values():
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ifisinstance(t,types.BuiltinFunctionType):
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forprotoinprotocols:
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s=self.dumps(t,proto)
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self.assertIs(self.loads(s),t)
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# Tests for protocol 2
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deftest_proto(self):

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