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from fontTools.ttLib import TTFont, newTable, getTableModule
from fontTools.ttLib.tables.O_S_2f_2 import *
import unittest
class OS2TableTest(unittest.TestCase):
def test_getUnicodeRanges(self):
table = table_O_S_2f_2()
table.ulUnicodeRange1 = 0xFFFFFFFF
table.ulUnicodeRange2 = 0xFFFFFFFF
table.ulUnicodeRange3 = 0xFFFFFFFF
table.ulUnicodeRange4 = 0xFFFFFFFF
bits = table.getUnicodeRanges()
for i in range(127):
self.assertIn(i, bits)
def test_setUnicodeRanges(self):
table = table_O_S_2f_2()
table.ulUnicodeRange1 = 0
table.ulUnicodeRange2 = 0
table.ulUnicodeRange3 = 0
table.ulUnicodeRange4 = 0
bits = set(range(123))
table.setUnicodeRanges(bits)
self.assertEqual(table.getUnicodeRanges(), bits)
with self.assertRaises(ValueError):
table.setUnicodeRanges([-1, 127, 255])
def test_recalcUnicodeRanges(self):
font = TTFont()
font['OS/2'] = os2 = newTable('OS/2')
font['cmap'] = cmap = newTable('cmap')
st = getTableModule('cmap').CmapSubtable.newSubtable(4)
st.platformID, st.platEncID, st.language = 3, 1, 0
st.cmap = {0x0041:'A', 0x03B1: 'alpha', 0x0410: 'Acyr'}
cmap.tables = []
cmap.tables.append(st)
os2.setUnicodeRanges({0, 1, 9})
# 'pruneOnly' will clear any bits for which there's no intersection:
# bit 1 ('Latin 1 Supplement'), in this case. However, it won't set
# bit 7 ('Greek and Coptic') despite the "alpha" character is present.
self.assertEqual(os2.recalcUnicodeRanges(font, pruneOnly=True), {0, 9})
# try again with pruneOnly=False: bit 7 is now set.
self.assertEqual(os2.recalcUnicodeRanges(font), {0, 7, 9})
# add a non-BMP char from 'Mahjong Tiles' block (bit 122)
st.cmap[0x1F000] = 'eastwindtile'
# the bit 122 and the special bit 57 ('Non Plane 0') are also enabled
self.assertEqual(os2.recalcUnicodeRanges(font), {0, 7, 9, 57, 122})
def test_intersectUnicodeRanges(self):
self.assertEqual(intersectUnicodeRanges([0x0410]), {9})
self.assertEqual(intersectUnicodeRanges([0x0410, 0x1F000]), {9, 57, 122})
self.assertEqual(
intersectUnicodeRanges([0x0410, 0x1F000], inverse=True),
(set(range(123)) - {9, 57, 122}))
if __name__ == "__main__":
import sys
sys.exit(unittest.main())
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