mirror of https://github.com/python/cpython
55 lines
2.3 KiB
Python
55 lines
2.3 KiB
Python
import unittest
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from test.support import import_helper
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_testcapi = import_helper.import_module('_testcapi')
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class CAPITest(unittest.TestCase):
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def test_decodeutf8(self):
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"""Test PyUnicode_DecodeUTF8()"""
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decodeutf8 = _testcapi.unicode_decodeutf8
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for s in ['abc', '\xa1\xa2', '\u4f60\u597d', 'a\U0001f600']:
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b = s.encode('utf-8')
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self.assertEqual(decodeutf8(b), s)
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self.assertEqual(decodeutf8(b, 'strict'), s)
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self.assertRaises(UnicodeDecodeError, decodeutf8, b'\x80')
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self.assertRaises(UnicodeDecodeError, decodeutf8, b'\xc0')
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self.assertRaises(UnicodeDecodeError, decodeutf8, b'\xff')
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self.assertRaises(UnicodeDecodeError, decodeutf8, b'a\xf0\x9f')
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self.assertEqual(decodeutf8(b'a\xf0\x9f', 'replace'), 'a\ufffd')
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self.assertEqual(decodeutf8(b'a\xf0\x9fb', 'replace'), 'a\ufffdb')
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self.assertRaises(LookupError, decodeutf8, b'a\x80', 'foo')
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# TODO: Test PyUnicode_DecodeUTF8() with NULL as data and
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# negative size.
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def test_decodeutf8stateful(self):
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"""Test PyUnicode_DecodeUTF8Stateful()"""
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decodeutf8stateful = _testcapi.unicode_decodeutf8stateful
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for s in ['abc', '\xa1\xa2', '\u4f60\u597d', 'a\U0001f600']:
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b = s.encode('utf-8')
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self.assertEqual(decodeutf8stateful(b), (s, len(b)))
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self.assertEqual(decodeutf8stateful(b, 'strict'), (s, len(b)))
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self.assertRaises(UnicodeDecodeError, decodeutf8stateful, b'\x80')
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self.assertRaises(UnicodeDecodeError, decodeutf8stateful, b'\xc0')
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self.assertRaises(UnicodeDecodeError, decodeutf8stateful, b'\xff')
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self.assertEqual(decodeutf8stateful(b'a\xf0\x9f'), ('a', 1))
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self.assertEqual(decodeutf8stateful(b'a\xf0\x9f', 'replace'), ('a', 1))
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self.assertRaises(UnicodeDecodeError, decodeutf8stateful, b'a\xf0\x9fb')
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self.assertEqual(decodeutf8stateful(b'a\xf0\x9fb', 'replace'), ('a\ufffdb', 4))
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self.assertRaises(LookupError, decodeutf8stateful, b'a\x80', 'foo')
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# TODO: Test PyUnicode_DecodeUTF8Stateful() with NULL as data and
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# negative size.
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# TODO: Test PyUnicode_DecodeUTF8Stateful() with NULL as the address of
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# "consumed".
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if __name__ == "__main__":
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unittest.main()
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