Method test_translate

Lib/test/test_bigmem.py:746–763

(self, size)

    @bigmemtest(size=_2G, memuse=ascii_char_size * 2 + ucs4_char_size)
    def test_translate(self, size):
        _ = self.from_latin1
        SUBSTR = _('aZz.z.Aaz.')
        trans = {
            ord(_('.')): _('-'),
            ord(_('a')): _('!'),
            ord(_('Z')): _('$'),
        }
        sublen = len(SUBSTR)
        repeats = size // sublen + 2
        s = SUBSTR * repeats
        s = s.translate(trans)
        self.assertEqual(len(s), repeats * sublen)
        self.assertEqual(s[:sublen], SUBSTR.translate(trans))
        self.assertEqual(s[-sublen:], SUBSTR.translate(trans))
        self.assertEqual(s.count(_('.')), 0)
        self.assertEqual(s.count(_('!')), repeats * 2)
        self.assertEqual(s.count(_('z')), repeats * 3)


class BytesTest(unittest.TestCase, BaseStrTest):