shadowfacts/fonttools
1
0
Fork 0
Code Issues Pull Requests Actions Packages Projects Releases Wiki Activity

[_k_e_r_n_test] test toXML/fromXML for unknown formats

Browse Source
This commit is contained in:
Cosimo Lupo 2017-11-04 12:02:57 +00:00
parent 0f16a790cd
commit a12bfa160a
1 changed files with 78 additions and 6 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

84
Tests/ttLib/tables/_k_e_r_n_test.py
View File

@ -71,11 +71,25 @@ KERN_VER_0_FMT_UNKNOWN_DATA = deHexStr(
'0000 ' # 14: version=0
'000A ' # 16: length=10
'05 ' # 18: format=5 (format 5 doesn't exist)
'01 ' # 18: coverage=1
'01 ' # 19: coverage=1
'9ABC DEF0 ' # 20: garbage...
)
assert len(KERN_VER_0_FMT_UNKNOWN_DATA) == 24
KERN_VER_0_FMT_UNKNOWN_XML = [
'<version value="0"/>',
'<kernsubtable format="4">',
" <!-- unknown 'kern' subtable format -->",
' 0000000A 04011234',
' 5678 ',
'</kernsubtable>',
'<kernsubtable format="5">',
"<!-- unknown 'kern' subtable format -->",
' 0000000A 05019ABC',
' DEF0 ',
'</kernsubtable>',
]
KERN_VER_1_FMT_UNKNOWN_DATA = deHexStr(
'0001 0000 ' # 0: version=1
'0000 0002 ' # 4: nTables=2
@ -85,13 +99,27 @@ KERN_VER_1_FMT_UNKNOWN_DATA = deHexStr(
'0000 ' # 14: tupleIndex=0
'1234 5678' # 16: garbage...
'0000 000C ' # 20: length=12
'00 ' # 18: coverage=0
'05 ' # 19: format=5 (format 5 doesn't exist)
'0000 ' # 20: tupleIndex=0
'9ABC DEF0 ' # 22: garbage...
'00 ' # 24: coverage=0
'05 ' # 25: format=5 (format 5 doesn't exist)
'0000 ' # 26: tupleIndex=0
'9ABC DEF0 ' # 28: garbage...
)
assert len(KERN_VER_1_FMT_UNKNOWN_DATA) == 32
KERN_VER_1_FMT_UNKNOWN_XML = [
'<version value="1"/>',
'<kernsubtable format="4">',
" <!-- unknown 'kern' subtable format -->",
' 0000000C 00040000',
' 12345678 ',
'</kernsubtable>',
'<kernsubtable format="5">',
" <!-- unknown 'kern' subtable format -->",
' 0000000C 00050000',
' 9ABCDEF0 ',
'</kernsubtable>',
]
@pytest.fixture
def font():
@ -254,7 +282,8 @@ class KernTableTest(object):
else:
coverage = 1
header_fmt = deHexStr(
"%04X %04X %02X %02X" % (0, st_length, unknown_fmt, coverage))
"%04X %04X %02X %02X" % (
0, st_length, unknown_fmt, coverage))
st = KernTable_format_unkown(unknown_fmt)
st.data = header_fmt + deHexStr(kern_data)
kern.kernTables.append(st)
@ -262,6 +291,49 @@ class KernTableTest(object):
data = kern.compile(font)
assert data == expected
@pytest.mark.parametrize(
"xml, version, st_length",
[
(KERN_VER_0_FMT_UNKNOWN_XML, 0, 10),
(KERN_VER_1_FMT_UNKNOWN_XML, 1.0, 12),
],
ids=["version_0", "version_1"]
)
def test_fromXML_format_unknown(self, xml, font, version, st_length):
kern = newTable("kern")
for name, attrs, content in parseXML(xml):
kern.fromXML(name, attrs, content, ttFont=font)
assert kern.version == version
assert len(kern.kernTables) == 2
st0 = kern.kernTables[0]
assert st0.format == 4
assert len(st0.data) == st_length
st1 = kern.kernTables[1]
assert st1.format == 5
assert len(st1.data) == st_length
@pytest.mark.parametrize(
"version", [0, 1.0], ids=["version_0", "version_1"])
def test_toXML_format_unknown(self, font, version):
kern = newTable("kern")
kern.version = version
st = KernTable_format_unkown(4)
st.data = b"ABCD"
kern.kernTables = [st]
xml = getXML(kern.toXML, font)
assert xml == [
'<version value="%s"/>' % version,
'<kernsubtable format="4">',
' <!-- unknown \'kern\' subtable format -->',
' 41424344 ',
'</kernsubtable>',
]
def test_getkern(self):
table = newTable("kern")
table.version = 0