def test_compilePoints(self):
compilePoints = lambda p: TupleVariation.compilePoints(set(p), numPointsInGlyph=999)
self.assertEqual("00", hexencode(compilePoints(range(999)))) # all points in glyph
self.assertEqual("01 00 07", hexencode(compilePoints([7])))
self.assertEqual("01 80 FF FF", hexencode(compilePoints([65535])))
self.assertEqual("02 01 09 06", hexencode(compilePoints([9, 15])))
self.assertEqual("06 05 07 01 F7 02 01 F2", hexencode(compilePoints([7, 8, 255, 257, 258, 500])))
self.assertEqual("03 01 07 01 80 01 EC", hexencode(compilePoints([7, 8, 500])))
self.assertEqual("04 01 07 01 81 BE E7 0C 0F", hexencode(compilePoints([7, 8, 0xBEEF, 0xCAFE])))
self.maxDiff = None
self.assertEqual("81 2C" + # 300 points (0x12c) in total
" 7F 00" + (127 * " 01") + # first run, contains 128 points: [0 .. 127]
" 7F" + (128 * " 01") + # second run, contains 128 points: [128 .. 255]
" 2B" + (44 * " 01"), # third run, contains 44 points: [256 .. 299]
hexencode(compilePoints(range(300))))
self.assertEqual("81 8F" + # 399 points (0x18f) in total
" 7F 00" + (127 * " 01") + # first run, contains 128 points: [0 .. 127]
" 7F" + (128 * " 01") + # second run, contains 128 points: [128 .. 255]
" 7F" + (128 * " 01") + # third run, contains 128 points: [256 .. 383]
" 0E" + (15 * " 01"), # fourth run, contains 15 points: [384 .. 398]
hexencode(compilePoints(range(399))))
https://github.com/fonttools/fonttools/blob/cb364aff2c2dfd73903ca56d394fa42eb761241d/Tests/ttLib/tables/TupleVariation_test.py#L380