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Tests: add tests for 'subtable' breaks

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This commit is contained in:
Cosimo Lupo 2018-07-24 17:14:39 +01:00
parent 9456ae9485
commit 33084b74cf
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GPG Key ID: 59D54DB0C9976482
3 changed files with 42 additions and 3 deletions
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12
Tests/feaLib/builder_test.py
View File

@ -512,6 +512,18 @@ class BuilderTest(unittest.TestCase):
addOpenTypeFeatures(font, tree) addOpenTypeFeatures(font, tree)
assert "GSUB" in font assert "GSUB" in font
def test_unsupported_subtable_break(self):
self.assertRaisesRegex(
FeatureLibError,
'explicit "subtable" statement is intended for .* class kerning',
self.build,
"feature liga {"
" sub f f by f_f;"
" subtable;"
" sub f i by f_i;"
"} liga;"
)
def generate_feature_file_test(name): def generate_feature_file_test(name):
return lambda self: self.check_feature_file(name) return lambda self: self.check_feature_file(name)

8
Tests/feaLib/data/PairPosSubtable.fea
View File

@ -1,12 +1,16 @@
languagesystem DFLT dflt; languagesystem DFLT dflt;
languagesystem latn dflt; languagesystem latn dflt;
@group1 = [b o];
@group2 = [c d];
@group3 = [v w];
lookup kernlookup { lookup kernlookup {
pos A V -34; pos A V -34;
subtable; subtable;
@group1 = [b o];
@group2 = [c d];
pos @group1 @group2 -12; pos @group1 @group2 -12;
subtable;
pos @group3 @group2 -20;
} kernlookup; } kernlookup;
feature kern { feature kern {

25
Tests/feaLib/data/PairPosSubtable.ttx
View File

@ -43,7 +43,7 @@
<Lookup index="0"> <Lookup index="0">
<LookupType value="2"/> <LookupType value="2"/>
<LookupFlag value="0"/> <LookupFlag value="0"/>
<!-- SubTableCount=2 --> <!-- SubTableCount=3 -->
<PairPos index="0" Format="1"> <PairPos index="0" Format="1">
<Coverage> <Coverage>
<Glyph value="A"/> <Glyph value="A"/>
@ -82,6 +82,29 @@
</Class2Record> </Class2Record>
</Class1Record> </Class1Record>
</PairPos> </PairPos>
<PairPos index="2" Format="2">
<Coverage>
<Glyph value="v"/>
<Glyph value="w"/>
</Coverage>
<ValueFormat1 value="4"/>
<ValueFormat2 value="0"/>
<ClassDef1>
</ClassDef1>
<ClassDef2>
<ClassDef glyph="c" class="1"/>
<ClassDef glyph="d" class="1"/>
</ClassDef2>
<!-- Class1Count=1 -->
<!-- Class2Count=2 -->
<Class1Record index="0">
<Class2Record index="0">
</Class2Record>
<Class2Record index="1">
<Value1 XAdvance="-20"/>
</Class2Record>
</Class1Record>
</PairPos>
</Lookup> </Lookup>
</LookupList> </LookupList>
</GPOS> </GPOS>