diff options
Diffstat (limited to 'Lib/test/test_json/test_unicode.py')
| -rw-r--r-- | Lib/test/test_json/test_unicode.py | 29 |
1 files changed, 26 insertions, 3 deletions
diff --git a/Lib/test/test_json/test_unicode.py b/Lib/test/test_json/test_unicode.py index c7cc8a7e92..2e8bba2775 100644 --- a/Lib/test/test_json/test_unicode.py +++ b/Lib/test/test_json/test_unicode.py @@ -1,3 +1,4 @@ +import codecs from collections import OrderedDict from test.test_json import PyTest, CTest @@ -52,9 +53,31 @@ class TestUnicode: self.assertRaises(TypeError, self.dumps, [b"hi"]) def test_bytes_decode(self): - self.assertRaises(TypeError, self.loads, b'"hi"') - self.assertRaises(TypeError, self.loads, b'["hi"]') - + for encoding, bom in [ + ('utf-8', codecs.BOM_UTF8), + ('utf-16be', codecs.BOM_UTF16_BE), + ('utf-16le', codecs.BOM_UTF16_LE), + ('utf-32be', codecs.BOM_UTF32_BE), + ('utf-32le', codecs.BOM_UTF32_LE), + ]: + data = ["a\xb5\u20ac\U0001d120"] + encoded = self.dumps(data).encode(encoding) + self.assertEqual(self.loads(bom + encoded), data) + self.assertEqual(self.loads(encoded), data) + self.assertRaises(UnicodeDecodeError, self.loads, b'["\x80"]') + # RFC-7159 and ECMA-404 extend JSON to allow documents that + # consist of only a string, which can present a special case + # not covered by the encoding detection patterns specified in + # RFC-4627 for utf-16-le (XX 00 XX 00). + self.assertEqual(self.loads('"\u2600"'.encode('utf-16-le')), + '\u2600') + # Encoding detection for small (<4) bytes objects + # is implemented as a special case. RFC-7159 and ECMA-404 + # allow single codepoint JSON documents which are only two + # bytes in utf-16 encodings w/o BOM. + self.assertEqual(self.loads(b'5\x00'), 5) + self.assertEqual(self.loads(b'\x007'), 7) + self.assertEqual(self.loads(b'57'), 57) def test_object_pairs_hook_with_unicode(self): s = '{"xkd":1, "kcw":2, "art":3, "hxm":4, "qrt":5, "pad":6, "hoy":7}' |