/usr/lib/python2.7/dist-packages/FontTools/fontTools/misc/fixedTools_test.py is in fonttools 3.0-1.
This file is owned by root:root, with mode 0o644.
The actual contents of the file can be viewed below.
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 | from __future__ import print_function, division, absolute_import
from fontTools.misc.py23 import *
from fontTools.misc.fixedTools import fixedToFloat, floatToFixed
import unittest
class FixedToolsTest(unittest.TestCase):
def test_roundtrip(self):
for bits in range(0, 15):
for value in range(-(2**(bits+1)), 2**(bits+1)):
self.assertEqual(value, floatToFixed(fixedToFloat(value, bits), bits))
def test_fixedToFloat_precision14(self):
self.assertEqual(0.8, fixedToFloat(13107, 14))
self.assertEqual(0.0, fixedToFloat(0, 14))
self.assertEqual(1.0, fixedToFloat(16384, 14))
self.assertEqual(-1.0, fixedToFloat(-16384, 14))
self.assertEqual(0.99994, fixedToFloat(16383, 14))
self.assertEqual(-0.99994, fixedToFloat(-16383, 14))
def test_fixedToFloat_precision6(self):
self.assertAlmostEqual(-9.98, fixedToFloat(-639, 6))
self.assertAlmostEqual(-10.0, fixedToFloat(-640, 6))
self.assertAlmostEqual(9.98, fixedToFloat(639, 6))
self.assertAlmostEqual(10.0, fixedToFloat(640, 6))
def test_floatToFixed_precision14(self):
self.assertEqual(13107, floatToFixed(0.8, 14))
self.assertEqual(16384, floatToFixed(1.0, 14))
self.assertEqual(16384, floatToFixed(1, 14))
self.assertEqual(-16384, floatToFixed(-1.0, 14))
self.assertEqual(-16384, floatToFixed(-1, 14))
self.assertEqual(0, floatToFixed(0, 14))
def test_fixedToFloat_return_float(self):
value = fixedToFloat(16384, 14)
self.assertIsInstance(value, float)
if __name__ == "__main__":
unittest.main()
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