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Directory :  /usr/local/python-3.13/lib/python3.13/test/test_pyrepl/

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Current File : //usr/local/python-3.13/lib/python3.13/test/test_pyrepl/test_utils.py
from unittest import TestCase

from _pyrepl.utils import str_width, wlen


class TestUtils(TestCase):
    def test_str_width(self):
        characters = ['a', '1', '_', '!', '\x1a', '\u263A', '\uffb9']
        for c in characters:
            self.assertEqual(str_width(c), 1)

        characters = [chr(99989), chr(99999)]
        for c in characters:
            self.assertEqual(str_width(c), 2)

    def test_wlen(self):
        for c in ['a', 'b', '1', '!', '_']:
            self.assertEqual(wlen(c), 1)
        self.assertEqual(wlen('\x1a'), 2)

        char_east_asian_width_N = chr(3800)
        self.assertEqual(wlen(char_east_asian_width_N), 1)
        char_east_asian_width_W = chr(4352)
        self.assertEqual(wlen(char_east_asian_width_W), 2)

        self.assertEqual(wlen('hello'), 5)
        self.assertEqual(wlen('hello' + '\x1a'), 7)

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