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0923704b49
(cherry picked from commit 4e6dba0ef7)
Signed-off-by: yihong0618 <zouzou0208@gmail.com>
Co-authored-by: yihong <zouzou0208@gmail.com>
Co-authored-by: grayjk <grayjk@gmail.com>
48 lines
1.4 KiB
Python
48 lines
1.4 KiB
Python
from unittest import TestCase
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from _pyrepl.utils import str_width, wlen
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class TestUtils(TestCase):
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def test_str_width(self):
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characters = [
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'a',
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'1',
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'_',
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'!',
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'\x1a',
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'\u263A',
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'\uffb9',
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'\N{LATIN SMALL LETTER E WITH ACUTE}', # é
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'\N{LATIN SMALL LETTER E WITH CEDILLA}', # ȩ
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'\u00ad',
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]
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for c in characters:
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self.assertEqual(str_width(c), 1)
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zero_width_characters = [
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'\N{COMBINING ACUTE ACCENT}',
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'\N{ZERO WIDTH JOINER}',
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]
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for c in zero_width_characters:
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with self.subTest(character=c):
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self.assertEqual(str_width(c), 0)
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characters = [chr(99989), chr(99999)]
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for c in characters:
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self.assertEqual(str_width(c), 2)
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def test_wlen(self):
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for c in ['a', 'b', '1', '!', '_']:
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self.assertEqual(wlen(c), 1)
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self.assertEqual(wlen('\x1a'), 2)
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char_east_asian_width_N = chr(3800)
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self.assertEqual(wlen(char_east_asian_width_N), 1)
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char_east_asian_width_W = chr(4352)
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self.assertEqual(wlen(char_east_asian_width_W), 2)
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self.assertEqual(wlen('hello'), 5)
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self.assertEqual(wlen('hello' + '\x1a'), 7)
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self.assertEqual(wlen('e\N{COMBINING ACUTE ACCENT}'), 1)
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self.assertEqual(wlen('a\N{ZERO WIDTH JOINER}b'), 2)
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