Tests for GSUB5/GSUB6 formats 1, 2 and 3

This commit is contained in:
Simon Cozens 2020-11-17 15:17:02 +00:00
parent 47d95c5e30
commit a99bd4296a
5 changed files with 495 additions and 1 deletions

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@ -72,7 +72,8 @@ class BuilderTest(unittest.TestCase):
PairPosSubtable ChainSubstSubtable SubstSubtable ChainPosSubtable
LigatureSubtable AlternateSubtable MultipleSubstSubtable
SingleSubstSubtable aalt_chain_contextual_subst AlternateChained
MultipleLookupsPerGlyph MultipleLookupsPerGlyph2
MultipleLookupsPerGlyph MultipleLookupsPerGlyph2 GSUB_6_formats
GSUB_5_formats
""".split()
def __init__(self, methodName):

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@ -0,0 +1,20 @@
lookup GSUB5f1 {
ignore sub three four;
ignore sub four five;
} GSUB5f1;
lookup GSUB5f2 {
ignore sub [a - z] [A - H] [I - Z];
ignore sub [a - z] [A - H] [I - Z];
ignore sub [a - z] [I - Z] [A - H];
} GSUB5f2;
lookup GSUB5f3 {
ignore sub e;
} GSUB5f3;
feature test {
lookup GSUB5f1;
lookup GSUB5f2;
lookup GSUB5f3;
} test;

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@ -0,0 +1,197 @@
<?xml version="1.0" encoding="UTF-8"?>
<ttFont>
<GSUB>
<Version value="0x00010000"/>
<ScriptList>
<!-- ScriptCount=1 -->
<ScriptRecord index="0">
<ScriptTag value="DFLT"/>
<Script>
<DefaultLangSys>
<ReqFeatureIndex value="65535"/>
<!-- FeatureCount=1 -->
<FeatureIndex index="0" value="0"/>
</DefaultLangSys>
<!-- LangSysCount=0 -->
</Script>
</ScriptRecord>
</ScriptList>
<FeatureList>
<!-- FeatureCount=1 -->
<FeatureRecord index="0">
<FeatureTag value="test"/>
<Feature>
<!-- LookupCount=3 -->
<LookupListIndex index="0" value="0"/>
<LookupListIndex index="1" value="1"/>
<LookupListIndex index="2" value="2"/>
</Feature>
</FeatureRecord>
</FeatureList>
<LookupList>
<!-- LookupCount=3 -->
<Lookup index="0">
<LookupType value="5"/>
<LookupFlag value="0"/>
<!-- SubTableCount=1 -->
<ContextSubst index="0" Format="1">
<Coverage>
<Glyph value="three"/>
<Glyph value="four"/>
</Coverage>
<!-- SubRuleSetCount=2 -->
<SubRuleSet index="0">
<!-- SubRuleCount=1 -->
<SubRule index="0">
<!-- GlyphCount=2 -->
<!-- SubstCount=0 -->
<Input index="0" value="four"/>
</SubRule>
</SubRuleSet>
<SubRuleSet index="1">
<!-- SubRuleCount=1 -->
<SubRule index="0">
<!-- GlyphCount=2 -->
<!-- SubstCount=0 -->
<Input index="0" value="five"/>
</SubRule>
</SubRuleSet>
</ContextSubst>
</Lookup>
<Lookup index="1">
<LookupType value="5"/>
<LookupFlag value="0"/>
<!-- SubTableCount=1 -->
<ContextSubst index="0" Format="2">
<Coverage>
<Glyph value="a"/>
<Glyph value="b"/>
<Glyph value="c"/>
<Glyph value="d"/>
<Glyph value="e"/>
<Glyph value="f"/>
<Glyph value="g"/>
<Glyph value="h"/>
<Glyph value="i"/>
<Glyph value="j"/>
<Glyph value="k"/>
<Glyph value="l"/>
<Glyph value="m"/>
<Glyph value="n"/>
<Glyph value="o"/>
<Glyph value="p"/>
<Glyph value="q"/>
<Glyph value="r"/>
<Glyph value="s"/>
<Glyph value="t"/>
<Glyph value="u"/>
<Glyph value="v"/>
<Glyph value="w"/>
<Glyph value="x"/>
<Glyph value="y"/>
<Glyph value="z"/>
</Coverage>
<ClassDef>
<ClassDef glyph="A" class="3"/>
<ClassDef glyph="B" class="3"/>
<ClassDef glyph="C" class="3"/>
<ClassDef glyph="D" class="3"/>
<ClassDef glyph="E" class="3"/>
<ClassDef glyph="F" class="3"/>
<ClassDef glyph="G" class="3"/>
<ClassDef glyph="H" class="3"/>
<ClassDef glyph="I" class="2"/>
<ClassDef glyph="J" class="2"/>
<ClassDef glyph="K" class="2"/>
<ClassDef glyph="L" class="2"/>
<ClassDef glyph="M" class="2"/>
<ClassDef glyph="N" class="2"/>
<ClassDef glyph="O" class="2"/>
<ClassDef glyph="P" class="2"/>
<ClassDef glyph="Q" class="2"/>
<ClassDef glyph="R" class="2"/>
<ClassDef glyph="S" class="2"/>
<ClassDef glyph="T" class="2"/>
<ClassDef glyph="U" class="2"/>
<ClassDef glyph="V" class="2"/>
<ClassDef glyph="W" class="2"/>
<ClassDef glyph="X" class="2"/>
<ClassDef glyph="Y" class="2"/>
<ClassDef glyph="Z" class="2"/>
<ClassDef glyph="a" class="1"/>
<ClassDef glyph="b" class="1"/>
<ClassDef glyph="c" class="1"/>
<ClassDef glyph="d" class="1"/>
<ClassDef glyph="e" class="1"/>
<ClassDef glyph="f" class="1"/>
<ClassDef glyph="g" class="1"/>
<ClassDef glyph="h" class="1"/>
<ClassDef glyph="i" class="1"/>
<ClassDef glyph="j" class="1"/>
<ClassDef glyph="k" class="1"/>
<ClassDef glyph="l" class="1"/>
<ClassDef glyph="m" class="1"/>
<ClassDef glyph="n" class="1"/>
<ClassDef glyph="o" class="1"/>
<ClassDef glyph="p" class="1"/>
<ClassDef glyph="q" class="1"/>
<ClassDef glyph="r" class="1"/>
<ClassDef glyph="s" class="1"/>
<ClassDef glyph="t" class="1"/>
<ClassDef glyph="u" class="1"/>
<ClassDef glyph="v" class="1"/>
<ClassDef glyph="w" class="1"/>
<ClassDef glyph="x" class="1"/>
<ClassDef glyph="y" class="1"/>
<ClassDef glyph="z" class="1"/>
</ClassDef>
<!-- SubClassSetCount=4 -->
<SubClassSet index="0">
<!-- SubClassRuleCount=0 -->
</SubClassSet>
<SubClassSet index="1">
<!-- SubClassRuleCount=3 -->
<SubClassRule index="0">
<!-- GlyphCount=3 -->
<!-- SubstCount=0 -->
<Class index="0" value="3"/>
<Class index="1" value="2"/>
</SubClassRule>
<SubClassRule index="1">
<!-- GlyphCount=3 -->
<!-- SubstCount=0 -->
<Class index="0" value="3"/>
<Class index="1" value="2"/>
</SubClassRule>
<SubClassRule index="2">
<!-- GlyphCount=3 -->
<!-- SubstCount=0 -->
<Class index="0" value="2"/>
<Class index="1" value="3"/>
</SubClassRule>
</SubClassSet>
<SubClassSet index="2">
<!-- SubClassRuleCount=0 -->
</SubClassSet>
<SubClassSet index="3">
<!-- SubClassRuleCount=0 -->
</SubClassSet>
</ContextSubst>
</Lookup>
<Lookup index="2">
<LookupType value="5"/>
<LookupFlag value="0"/>
<!-- SubTableCount=1 -->
<ContextSubst index="0" Format="3">
<!-- GlyphCount=1 -->
<!-- SubstCount=0 -->
<Coverage index="0">
<Glyph value="e"/>
</Coverage>
</ContextSubst>
</Lookup>
</LookupList>
</GSUB>
</ttFont>

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@ -0,0 +1,20 @@
lookup GSUB6f1 {
ignore sub one two three' four' five six seven;
ignore sub two one three' four' six five seven;
} GSUB6f1;
lookup GSUB6f2 {
ignore sub [A - H] [I - Z] [a - z]' [A - H]' [I - Z]';
ignore sub [I - Z] [A - H] [a - z]' [A - H]' [I - Z]';
ignore sub [A - H] [I - Z] [a - z]' [I - Z]' [A - H]';
} GSUB6f2;
lookup GSUB6f3 {
ignore sub [space comma semicolon] e';
} GSUB6f3;
feature test {
lookup GSUB6f1;
lookup GSUB6f2;
lookup GSUB6f3;
} test;

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@ -0,0 +1,256 @@
<?xml version="1.0" encoding="UTF-8"?>
<ttFont>
<GSUB>
<Version value="0x00010000"/>
<ScriptList>
<!-- ScriptCount=1 -->
<ScriptRecord index="0">
<ScriptTag value="DFLT"/>
<Script>
<DefaultLangSys>
<ReqFeatureIndex value="65535"/>
<!-- FeatureCount=1 -->
<FeatureIndex index="0" value="0"/>
</DefaultLangSys>
<!-- LangSysCount=0 -->
</Script>
</ScriptRecord>
</ScriptList>
<FeatureList>
<!-- FeatureCount=1 -->
<FeatureRecord index="0">
<FeatureTag value="test"/>
<Feature>
<!-- LookupCount=3 -->
<LookupListIndex index="0" value="0"/>
<LookupListIndex index="1" value="1"/>
<LookupListIndex index="2" value="2"/>
</Feature>
</FeatureRecord>
</FeatureList>
<LookupList>
<!-- LookupCount=3 -->
<Lookup index="0">
<LookupType value="6"/>
<LookupFlag value="0"/>
<!-- SubTableCount=1 -->
<ChainContextSubst index="0" Format="1">
<Coverage>
<Glyph value="three"/>
</Coverage>
<!-- ChainSubRuleSetCount=1 -->
<ChainSubRuleSet index="0">
<!-- ChainSubRuleCount=2 -->
<ChainSubRule index="0">
<!-- BacktrackGlyphCount=2 -->
<Backtrack index="0" value="two"/>
<Backtrack index="1" value="one"/>
<!-- InputGlyphCount=2 -->
<Input index="0" value="four"/>
<!-- LookAheadGlyphCount=3 -->
<LookAhead index="0" value="five"/>
<LookAhead index="1" value="six"/>
<LookAhead index="2" value="seven"/>
<!-- SubstCount=0 -->
</ChainSubRule>
<ChainSubRule index="1">
<!-- BacktrackGlyphCount=2 -->
<Backtrack index="0" value="one"/>
<Backtrack index="1" value="two"/>
<!-- InputGlyphCount=2 -->
<Input index="0" value="four"/>
<!-- LookAheadGlyphCount=3 -->
<LookAhead index="0" value="six"/>
<LookAhead index="1" value="five"/>
<LookAhead index="2" value="seven"/>
<!-- SubstCount=0 -->
</ChainSubRule>
</ChainSubRuleSet>
</ChainContextSubst>
</Lookup>
<Lookup index="1">
<LookupType value="6"/>
<LookupFlag value="0"/>
<!-- SubTableCount=1 -->
<ChainContextSubst index="0" Format="2">
<Coverage>
<Glyph value="a"/>
<Glyph value="b"/>
<Glyph value="c"/>
<Glyph value="d"/>
<Glyph value="e"/>
<Glyph value="f"/>
<Glyph value="g"/>
<Glyph value="h"/>
<Glyph value="i"/>
<Glyph value="j"/>
<Glyph value="k"/>
<Glyph value="l"/>
<Glyph value="m"/>
<Glyph value="n"/>
<Glyph value="o"/>
<Glyph value="p"/>
<Glyph value="q"/>
<Glyph value="r"/>
<Glyph value="s"/>
<Glyph value="t"/>
<Glyph value="u"/>
<Glyph value="v"/>
<Glyph value="w"/>
<Glyph value="x"/>
<Glyph value="y"/>
<Glyph value="z"/>
</Coverage>
<BacktrackClassDef>
<ClassDef glyph="A" class="2"/>
<ClassDef glyph="B" class="2"/>
<ClassDef glyph="C" class="2"/>
<ClassDef glyph="D" class="2"/>
<ClassDef glyph="E" class="2"/>
<ClassDef glyph="F" class="2"/>
<ClassDef glyph="G" class="2"/>
<ClassDef glyph="H" class="2"/>
<ClassDef glyph="I" class="1"/>
<ClassDef glyph="J" class="1"/>
<ClassDef glyph="K" class="1"/>
<ClassDef glyph="L" class="1"/>
<ClassDef glyph="M" class="1"/>
<ClassDef glyph="N" class="1"/>
<ClassDef glyph="O" class="1"/>
<ClassDef glyph="P" class="1"/>
<ClassDef glyph="Q" class="1"/>
<ClassDef glyph="R" class="1"/>
<ClassDef glyph="S" class="1"/>
<ClassDef glyph="T" class="1"/>
<ClassDef glyph="U" class="1"/>
<ClassDef glyph="V" class="1"/>
<ClassDef glyph="W" class="1"/>
<ClassDef glyph="X" class="1"/>
<ClassDef glyph="Y" class="1"/>
<ClassDef glyph="Z" class="1"/>
</BacktrackClassDef>
<InputClassDef>
<ClassDef glyph="A" class="3"/>
<ClassDef glyph="B" class="3"/>
<ClassDef glyph="C" class="3"/>
<ClassDef glyph="D" class="3"/>
<ClassDef glyph="E" class="3"/>
<ClassDef glyph="F" class="3"/>
<ClassDef glyph="G" class="3"/>
<ClassDef glyph="H" class="3"/>
<ClassDef glyph="I" class="2"/>
<ClassDef glyph="J" class="2"/>
<ClassDef glyph="K" class="2"/>
<ClassDef glyph="L" class="2"/>
<ClassDef glyph="M" class="2"/>
<ClassDef glyph="N" class="2"/>
<ClassDef glyph="O" class="2"/>
<ClassDef glyph="P" class="2"/>
<ClassDef glyph="Q" class="2"/>
<ClassDef glyph="R" class="2"/>
<ClassDef glyph="S" class="2"/>
<ClassDef glyph="T" class="2"/>
<ClassDef glyph="U" class="2"/>
<ClassDef glyph="V" class="2"/>
<ClassDef glyph="W" class="2"/>
<ClassDef glyph="X" class="2"/>
<ClassDef glyph="Y" class="2"/>
<ClassDef glyph="Z" class="2"/>
<ClassDef glyph="a" class="1"/>
<ClassDef glyph="b" class="1"/>
<ClassDef glyph="c" class="1"/>
<ClassDef glyph="d" class="1"/>
<ClassDef glyph="e" class="1"/>
<ClassDef glyph="f" class="1"/>
<ClassDef glyph="g" class="1"/>
<ClassDef glyph="h" class="1"/>
<ClassDef glyph="i" class="1"/>
<ClassDef glyph="j" class="1"/>
<ClassDef glyph="k" class="1"/>
<ClassDef glyph="l" class="1"/>
<ClassDef glyph="m" class="1"/>
<ClassDef glyph="n" class="1"/>
<ClassDef glyph="o" class="1"/>
<ClassDef glyph="p" class="1"/>
<ClassDef glyph="q" class="1"/>
<ClassDef glyph="r" class="1"/>
<ClassDef glyph="s" class="1"/>
<ClassDef glyph="t" class="1"/>
<ClassDef glyph="u" class="1"/>
<ClassDef glyph="v" class="1"/>
<ClassDef glyph="w" class="1"/>
<ClassDef glyph="x" class="1"/>
<ClassDef glyph="y" class="1"/>
<ClassDef glyph="z" class="1"/>
</InputClassDef>
<LookAheadClassDef>
</LookAheadClassDef>
<!-- ChainSubClassSetCount=4 -->
<ChainSubClassSet index="0">
<!-- ChainSubClassRuleCount=0 -->
</ChainSubClassSet>
<ChainSubClassSet index="1">
<!-- ChainSubClassRuleCount=3 -->
<ChainSubClassRule index="0">
<!-- BacktrackGlyphCount=2 -->
<Backtrack index="0" value="1"/>
<Backtrack index="1" value="2"/>
<!-- InputGlyphCount=3 -->
<Input index="0" value="3"/>
<Input index="1" value="2"/>
<!-- LookAheadGlyphCount=0 -->
<!-- SubstCount=0 -->
</ChainSubClassRule>
<ChainSubClassRule index="1">
<!-- BacktrackGlyphCount=2 -->
<Backtrack index="0" value="2"/>
<Backtrack index="1" value="1"/>
<!-- InputGlyphCount=3 -->
<Input index="0" value="3"/>
<Input index="1" value="2"/>
<!-- LookAheadGlyphCount=0 -->
<!-- SubstCount=0 -->
</ChainSubClassRule>
<ChainSubClassRule index="2">
<!-- BacktrackGlyphCount=2 -->
<Backtrack index="0" value="1"/>
<Backtrack index="1" value="2"/>
<!-- InputGlyphCount=3 -->
<Input index="0" value="2"/>
<Input index="1" value="3"/>
<!-- LookAheadGlyphCount=0 -->
<!-- SubstCount=0 -->
</ChainSubClassRule>
</ChainSubClassSet>
<ChainSubClassSet index="2">
<!-- ChainSubClassRuleCount=0 -->
</ChainSubClassSet>
<ChainSubClassSet index="3">
<!-- ChainSubClassRuleCount=0 -->
</ChainSubClassSet>
</ChainContextSubst>
</Lookup>
<Lookup index="2">
<LookupType value="6"/>
<LookupFlag value="0"/>
<!-- SubTableCount=1 -->
<ChainContextSubst index="0" Format="3">
<!-- BacktrackGlyphCount=1 -->
<BacktrackCoverage index="0">
<Glyph value="space"/>
<Glyph value="semicolon"/>
<Glyph value="comma"/>
</BacktrackCoverage>
<!-- InputGlyphCount=1 -->
<InputCoverage index="0">
<Glyph value="e"/>
</InputCoverage>
<!-- LookAheadGlyphCount=0 -->
<!-- SubstCount=0 -->
</ChainContextSubst>
</Lookup>
</LookupList>
</GSUB>
</ttFont>