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Add more tests of util functions

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This commit is contained in:
david reid
2015-03-25 22:01:04 +00:00
parent dd3cc71bb0
commit 33fc3a5999
1 changed files with 14 additions and 2 deletions
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14
tests/utils_test.py
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@@ -1,7 +1,7 @@
import unittest
import struct
from zttf.utils import fixed_version, binary_search_parameters, ttf_checksum
from zttf.utils import fixed_version, binary_search_parameters, ttf_checksum, glyph_more_components, glyf_skip_format
class TestUtils(unittest.TestCase):
@@ -30,3 +30,15 @@ class TestUtils(unittest.TestCase):
self.assertEqual(ttf_checksum(data), 66)
self.assertEqual(ttf_checksum(struct.pack(">12I", *range(1000, 13000, 1000))), 78000)
self.assertEqual(ttf_checksum(struct.pack(">512I", *range(1024, 1024 * 2048, 4096))), 0x1FF80000)
def test_component_flag(self):
self.assertTrue(glyph_more_components((1 << 5)))
self.assertFalse(glyph_more_components((1 << 4)))
def test_skip_format(self):
self.assertEqual(glyf_skip_format((1 << 0)), ">I")
self.assertEqual(glyf_skip_format(0), ">H")
self.assertEqual(glyf_skip_format((1 << 3)), ">HH")
self.assertEqual(glyf_skip_format((1 << 3) | (1 << 0)), ">IH")
self.assertEqual(glyf_skip_format((1 << 7)), ">HII")