def test_superscript_digits(self):
"""Tests that 'numr' features maps digits to Unicode superscripts."""
ascii_digits = '0123456789'
superscript_digits = u'⁰¹²³⁴⁵⁶⁷⁸⁹'
for font_file in self.font_files:
numr_glyphs = layout.get_advances(ascii_digits, font_file,
'--features=numr')
superscript_glyphs = layout.get_advances(superscript_digits,
font_file)
self.assertEqual(superscript_glyphs, numr_glyphs)
def test_superscript_digits(self):
"""Tests that 'numr' features maps digits to Unicode superscripts."""
ascii_digits = '0123456789'
superscript_digits = u'⁰¹²³⁴⁵⁶⁷⁸⁹'
for font_file in self.font_files:
numr_glyphs = layout.get_advances(
ascii_digits, font_file, '--features=numr')
superscript_glyphs = layout.get_advances(
superscript_digits, font_file)
self.assertEqual(superscript_glyphs, numr_glyphs)
def com_roboto_fonts_check_numr_mapped_to_supr(ttFont):
"""Check that 'numr' features maps digits to Unicode superscripts."""
ascii_digits = '0123456789'
superscript_digits = u'⁰¹²³⁴⁵⁶⁷⁸⁹'
numr_glyphs = layout.get_advances(
ascii_digits, ttFont.reader.file.name, '--features=numr')
superscript_glyphs = layout.get_advances(
superscript_digits, ttFont.reader.file.name)
if superscript_glyphs == numr_glyphs:
yield PASS, "'numr' feature mapped to unicode superscript glyphs"
else:
yield FAIL, "'numr' feature is not mapped to unicode superscript glyphs"
def test_individual_spacing_marks(self):
"""Tests that spacing marks are spacing by themselves."""
for font in self.font_files:
print('Testing %s for stand-alone spacing marks...' % font)
for mark in self.marks_to_test:
mark = unichr(mark)
advances = layout.get_advances(mark, font)
assert len(advances) == 1
self.assertNotEqual(advances[0], 0)
def test_individual_spacing_marks(self):
"""Tests that spacing marks are spacing by themselves."""
for font in self.font_files:
print 'Testing %s for stand-alone spacing marks...' % font
for mark in self.marks_to_test:
mark = unichr(mark)
advances = layout.get_advances(mark, font)
assert len(advances) == 1
self.assertNotEqual(advances[0], 0)
def test_spacing_marks_in_combination(self):
"""Tests that spacing marks do not combine with base letters."""
for font in self.font_files:
print 'Testing %s for spacing marks in combination...' % font
for base_letter in (u'A\u00C6BCDEFGHIJKLMNO\u00D8\u01A0PRST'
u'U\u01AFVWXYZ'
u'a\u00E6bcdefghi\u0131j\u0237klmn'
u'o\u00F8\u01A1prs\u017Ftu\u01B0vwxyz'
u'\u03D2'):
print 'Testing %s combinations' % base_letter
for mark in self.marks_to_test:
if mark == 0x02DE:
# Skip rhotic hook, as it's perhaps OK for it to form
# ligatures
continue
mark = unichr(mark)
advances = layout.get_advances(base_letter + mark, font)
self.assertEqual(len(advances), 2,
'The sequence <%04X, %04X> combines, '
'but it should not' % (ord(base_letter), ord(mark)))
def test_spacing_marks_in_combination(self):
"""Tests that spacing marks do not combine with base letters."""
for font in self.font_files:
print 'Testing %s for spacing marks in combination...' % font
for base_letter in (u'A\u00C6BCDEFGHIJKLMNO\u00D8\u01A0PRST'
u'U\u01AFVWXYZ'
u'a\u00E6bcdefghi\u0131j\u0237klmn'
u'o\u00F8\u01A1prs\u017Ftu\u01B0vwxyz'
u'\u03D2'):
print 'Testing %s combinations' % base_letter
for mark in self.marks_to_test:
if mark == 0x02DE:
# Skip rhotic hook, as it's perhaps OK for it to form
# ligatures
continue
mark = unichr(mark)
advances = layout.get_advances(base_letter + mark, font)
self.assertEqual(len(advances), 2,
'The sequence <%04X, %04X> combines, '
'but it should not' % (ord(base_letter), ord(mark)))
def test_lack_of_ff_ligature(self):
"""Tests that the ff ligature is not formed by default."""
for fontfile in self.fontfiles:
advances = layout.get_advances('ff', fontfile)
self.assertEqual(len(advances), 2)
def test_lack_of_ff_ligature(self):
"""Tests that the ff ligature is not formed by default."""
for fontfile in self.fontfiles:
advances = layout.get_advances('ff', fontfile)
self.assertEqual(len(advances), 2)
