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[ttLib] adding a test for cmap format 14 (unicode variation sequences) (#1436)

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Adding a test for cmap format 14 (unicode variation sequences), in preparation for #1435
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Just van Rossum 2019-01-10 16:48:10 +01:00 committed by GitHub
parent b920b3b36f
commit 855378477f
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2 changed files with 53 additions and 0 deletions
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41
Tests/ttLib/tables/_c_m_a_p_test.py
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@ -1,9 +1,22 @@
from __future__ import print_function, division, absolute_import, unicode_literals
import io
import os
import re
from fontTools.misc.py23 import *
from fontTools import ttLib
from fontTools.fontBuilder import FontBuilder
import unittest
from fontTools.ttLib.tables._c_m_a_p import CmapSubtable, table__c_m_a_p
CURR_DIR = os.path.abspath(os.path.dirname(os.path.realpath(__file__)))
DATA_DIR = os.path.join(CURR_DIR, 'data')
CMAP_FORMAT_14_TTX = os.path.join(DATA_DIR, "_c_m_a_p_format_14.ttx")
def strip_VariableItems(string):
# ttlib changes with the fontTools version
string = re.sub(' ttLibVersion=".*"', '', string)
return string
class CmapSubtableTest(unittest.TestCase):
def makeSubtable(self, cmapFormat, platformID, platEncID, langID):
@ -82,6 +95,34 @@ class CmapSubtableTest(unittest.TestCase):
self.assertEqual(font.getBestCmap(cmapPreferences=[(3, 1)]), {0x0041:'A', 0x0391:'A'})
self.assertEqual(font.getBestCmap(cmapPreferences=[(0, 4)]), None)
def test_format_14(self):
subtable = self.makeSubtable(14, 0, 5, 0)
subtable.cmap = {} # dummy
subtable.uvsDict = {
0xFE00: [[0x0030, "zero.slash"]],
0xFE01: [(0x0030, None)], # yes, tuple here, list above, to match decompile
}
fb = FontBuilder(1024, isTTF=True)
font = fb.font
fb.setupGlyphOrder([".notdef", "zero.slash"])
fb.setupMaxp()
fb.setupPost()
cmap = table__c_m_a_p()
cmap.tableVersion = 0
cmap.tables = [subtable]
font["cmap"] = cmap
f = io.BytesIO()
font.save(f)
f.seek(0)
font = ttLib.TTFont(f)
self.assertEqual(font["cmap"].getcmap(0, 5).uvsDict, subtable.uvsDict)
f = io.StringIO(newline=None)
font.saveXML(f, tables=["cmap"])
ttx = strip_VariableItems(f.getvalue())
with open(CMAP_FORMAT_14_TTX) as f:
expected = strip_VariableItems(f.read())
self.assertEqual(ttx, expected)
if __name__ == "__main__":
import sys

12
Tests/ttLib/tables/data/_c_m_a_p_format_14.ttx Normal file
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@ -0,0 +1,12 @@
<?xml version="1.0" encoding="UTF-8"?>
<ttFont sfntVersion="\x00\x01\x00\x00" ttLibVersion="3.35">
<cmap>
<tableVersion version="0"/>
<cmap_format_14 platformID="0" platEncID="5" format="14" length="49" numVarSelectorRecords="2">
<map uvs="0xfe00" uv="0x30" name="zero.slash"/>
<map uvs="0xfe01" uv="0x30" name="None"/>
</cmap_format_14>
</cmap>
</ttFont>