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generated by cgit v0.12 at 2025-09-16 07:07:27 (GMT)
id='n52' href='#n52'>52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 
import copy_reg
import unittest

from test import test_support
from test.pickletester import ExtensionSaver

class C:
    pass


class CopyRegTestCase(unittest.TestCase):

    def test_class(self):
        self.assertRaises(TypeError, copy_reg.pickle,
                          C, None, None)

    def test_noncallable_reduce(self):
        self.assertRaises(TypeError, copy_reg.pickle,
                          type(1), "not a callable")

    def test_noncallable_constructor(self):
        self.assertRaises(TypeError, copy_reg.pickle,
                          type(1), int, "not a callable")

    def test_bool(self):
        import copy
        self.assertEquals(True, copy.copy(True))

    def test_extension_registry(self):
        mod, func, code = 'junk1 ', ' junk2', 0xabcd
        e = ExtensionSaver(code)
        try:
            # Shouldn't be in registry now.
            self.assertRaises(ValueError, copy_reg.remove_extension,
                              mod, func, code)
            copy_reg.add_extension(mod, func, code)
            # Should be in the registry.
            self.assert_(copy_reg._extension_registry[mod, func] == code)
            self.assert_(copy_reg._inverted_registry[code] == (mod, func))
            # Shouldn't be in the cache.
            self.assert_(code not in copy_reg._extension_cache)
            # Redundant registration should be OK.
            copy_reg.add_extension(mod, func, code)  # shouldn't blow up
            # Conflicting code.
            self.assertRaises(ValueError, copy_reg.add_extension,
                              mod, func, code + 1)
            self.assertRaises(ValueError, copy_reg.remove_extension,
                              mod, func, code + 1)
            # Conflicting module name.