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Merge pull request #1429 from rsms/misc-encodeFloat-test

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Adds test for misc.psCharStrings.encodeFloat that exposes a bug
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Cosimo Lupo 2019-01-07 11:00:49 +00:00 committed by GitHub
commit 3f1956949a
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1 changed files with 22 additions and 1 deletions
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23
Tests/misc/psCharStrings_test.py
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@ -1,7 +1,7 @@
from __future__ import print_function, division, absolute_import from __future__ import print_function, division, absolute_import
from fontTools.cffLib import PrivateDict from fontTools.cffLib import PrivateDict
from fontTools.cffLib.specializer import stringToProgram from fontTools.cffLib.specializer import stringToProgram
from fontTools.misc.psCharStrings import T2CharString from fontTools.misc.psCharStrings import T2CharString, encodeFloat
import unittest import unittest
@ -47,6 +47,27 @@ class T2CharStringTest(unittest.TestCase):
cs2.program, [100, 'rmoveto', -50, -150, 200.5, 0, -50, 150, cs2.program, [100, 'rmoveto', -50, -150, 200.5, 0, -50, 150,
'rrcurveto']) 'rrcurveto'])
def test_encodeFloat(self):
def hexenc(s):
return ' '.join('%02x' % x for x in s)
testNums = [
# value expected hex encoded result
(-9.399999999999999, '1e e9 a3 99 99 99 99 99 99 99 ff'),
(9.399999999999999999, '1e 9a 4f'), # 9.4
(456.8, '1e 45 6a 8f'), # 456.8
(0, '1e 0f'), # 0
(-0.0, '1e ea 0f'), # 0
(1, '1e 1f'), # 1
(-1, '1e e1 ff'), # -1
(98765.37e2, '1e 98 76 53 7a 0f'), # 9876537
(1234567890, '1e 12 34 56 78 90 ff'), # 1234567890
(9.876537e-24, '1e 9a 87 65 37 c2 4f'), # 9.876537e-24
(9.876537e+24, '1e 9a 87 65 37 b2 4f'), # 9.876537e+24
]
for n in testNums:
r = encodeFloat(n[0])
self.assertEqual(hexenc(r), n[1])
if __name__ == "__main__": if __name__ == "__main__":
import sys import sys