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_g_l_y_f_test: add tests for compiling/decompiling empty glyf table

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This commit is contained in:
Cosimo Lupo 2020-02-12 14:19:35 +00:00
parent 9c7ceadc0e
commit 92e770ea16
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GPG Key ID: 20D4A261E4A0E642
1 changed files with 24 additions and 1 deletions
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25
Tests/ttLib/tables/_g_l_y_f_test.py
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@ -6,6 +6,7 @@ from fontTools.pens.recordingPen import RecordingPen, RecordingPointPen
from fontTools.pens.pointPen import PointToSegmentPen
from fontTools.ttLib import TTFont, newTable, TTLibError
from fontTools.ttLib.tables._g_l_y_f import (
Glyph,
GlyphCoordinates,
GlyphComponent,
ARGS_ARE_XY_VALUES,
@ -190,7 +191,7 @@ def strip_ttLibVersion(string):
return re.sub(' ttLibVersion=".*"', '', string)
class glyfTableTest(unittest.TestCase):
class GlyfTableTest(unittest.TestCase):
def __init__(self, methodName):
unittest.TestCase.__init__(self, methodName)
@ -338,6 +339,28 @@ class glyfTableTest(unittest.TestCase):
glyfTable["glyph00003"].drawPoints(PointToSegmentPen(pen2), glyfTable)
self.assertEqual(pen1.value, pen2.value)
def test_compile_empty_table(self):
font = TTFont(sfntVersion="\x00\x01\x00\x00")
font.importXML(GLYF_TTX)
glyfTable = font['glyf']
# set all glyphs to zero contours
glyfTable.glyphs = {glyphName: Glyph() for glyphName in font.getGlyphOrder()}
glyfData = glyfTable.compile(font)
self.assertEqual(glyfData, b"\x00")
self.assertEqual(list(font["loca"]), [0] * (font["maxp"].numGlyphs+1))
def test_decompile_empty_table(self):
font = TTFont()
glyphNames = [".notdef", "space"]
font.setGlyphOrder(glyphNames)
font["loca"] = newTable("loca")
font["loca"].locations = [0] * (len(glyphNames) + 1)
font["glyf"] = newTable("glyf")
font["glyf"].decompile(b"\x00", font)
self.assertEqual(len(font["glyf"]), 2)
self.assertEqual(font["glyf"][".notdef"].numberOfContours, 0)
self.assertEqual(font["glyf"]["space"].numberOfContours, 0)
class GlyphComponentTest: