From ab8f9ee785cfe77d96b5d98d458414aa78c77dad Mon Sep 17 00:00:00 2001
From: Sascha Brawer <sascha@brawer.ch>
Date: Tue, 26 Jan 2016 12:45:56 +0100
Subject: [PATCH] [feaLib] Add test case for bug 463

https://github.com/behdad/fonttools/issues/463
---
 Lib/fontTools/feaLib/builder_test.py     |   1 +
 Lib/fontTools/feaLib/testdata/bug463.fea |   6 ++
 Lib/fontTools/feaLib/testdata/bug463.ttx | 110 +++++++++++++++++++++++
 3 files changed, 117 insertions(+)
 create mode 100644 Lib/fontTools/feaLib/testdata/bug463.fea
 create mode 100644 Lib/fontTools/feaLib/testdata/bug463.ttx

diff --git a/Lib/fontTools/feaLib/builder_test.py b/Lib/fontTools/feaLib/builder_test.py
index d89660e4d..fce3a699b 100644
--- a/Lib/fontTools/feaLib/builder_test.py
+++ b/Lib/fontTools/feaLib/builder_test.py
@@ -51,6 +51,7 @@ class BuilderTest(unittest.TestCase):
         spec4h1 spec5d1 spec5d2 spec5fi1 spec5fi2 spec5fi3 spec5fi4
         spec5h1 spec6d2 spec6e spec6f spec6h_ii spec6h_iii_1 spec8a
         spec9b spec9c1 spec9c2 spec9c3
+        bug463
     """.split()
 
     def __init__(self, methodName):
diff --git a/Lib/fontTools/feaLib/testdata/bug463.fea b/Lib/fontTools/feaLib/testdata/bug463.fea
new file mode 100644
index 000000000..e7e21af0c
--- /dev/null
+++ b/Lib/fontTools/feaLib/testdata/bug463.fea
@@ -0,0 +1,6 @@
+# https://github.com/behdad/fonttools/issues/463
+feature ordn {
+    @DIGIT = [zero one two three four five six seven eight nine];
+    sub @DIGIT [A a]' by ordfeminine;
+    sub @DIGIT [O o]' by ordmasculine;
+} ordn;
diff --git a/Lib/fontTools/feaLib/testdata/bug463.ttx b/Lib/fontTools/feaLib/testdata/bug463.ttx
new file mode 100644
index 000000000..7b025e7d4
--- /dev/null
+++ b/Lib/fontTools/feaLib/testdata/bug463.ttx
@@ -0,0 +1,110 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<ttFont>
+
+  <GSUB>
+    <Version value="1.0"/>
+    <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="ordn"/>
+        <Feature>
+          <!-- LookupCount=1 -->
+          <LookupListIndex index="0" value="1"/>
+        </Feature>
+      </FeatureRecord>
+    </FeatureList>
+    <LookupList>
+      <!-- LookupCount=3 -->
+      <Lookup index="0">
+        <!-- LookupType=1 -->
+        <LookupFlag value="0"/>
+        <!-- SubTableCount=1 -->
+        <SingleSubst index="0">
+          <Substitution in="A" out="ordfeminine"/>
+          <Substitution in="a" out="ordfeminine"/>
+        </SingleSubst>
+      </Lookup>
+      <Lookup index="1">
+        <!-- LookupType=6 -->
+        <LookupFlag value="0"/>
+        <!-- SubTableCount=2 -->
+        <ChainContextSubst index="0" Format="3">
+          <!-- BacktrackGlyphCount=1 -->
+          <BacktrackCoverage index="0">
+            <Glyph value="zero"/>
+            <Glyph value="one"/>
+            <Glyph value="two"/>
+            <Glyph value="three"/>
+            <Glyph value="four"/>
+            <Glyph value="five"/>
+            <Glyph value="six"/>
+            <Glyph value="seven"/>
+            <Glyph value="eight"/>
+            <Glyph value="nine"/>
+          </BacktrackCoverage>
+          <!-- InputGlyphCount=1 -->
+          <InputCoverage index="0">
+            <Glyph value="A"/>
+            <Glyph value="a"/>
+          </InputCoverage>
+          <!-- LookAheadGlyphCount=0 -->
+          <!-- SubstCount=1 -->
+          <SubstLookupRecord index="0">
+            <SequenceIndex value="0"/>
+            <LookupListIndex value="0"/>
+          </SubstLookupRecord>
+        </ChainContextSubst>
+        <ChainContextSubst index="1" Format="3">
+          <!-- BacktrackGlyphCount=1 -->
+          <BacktrackCoverage index="0">
+            <Glyph value="zero"/>
+            <Glyph value="one"/>
+            <Glyph value="two"/>
+            <Glyph value="three"/>
+            <Glyph value="four"/>
+            <Glyph value="five"/>
+            <Glyph value="six"/>
+            <Glyph value="seven"/>
+            <Glyph value="eight"/>
+            <Glyph value="nine"/>
+          </BacktrackCoverage>
+          <!-- InputGlyphCount=1 -->
+          <InputCoverage index="0">
+            <Glyph value="O"/>
+            <Glyph value="o"/>
+          </InputCoverage>
+          <!-- LookAheadGlyphCount=0 -->
+          <!-- SubstCount=1 -->
+          <SubstLookupRecord index="0">
+            <SequenceIndex value="0"/>
+            <LookupListIndex value="2"/>
+          </SubstLookupRecord>
+        </ChainContextSubst>
+      </Lookup>
+      <Lookup index="2">
+        <!-- LookupType=1 -->
+        <LookupFlag value="0"/>
+        <!-- SubTableCount=1 -->
+        <SingleSubst index="0">
+          <Substitution in="O" out="ordmasculine"/>
+          <Substitution in="o" out="ordmasculine"/>
+        </SingleSubst>
+      </Lookup>
+    </LookupList>
+  </GSUB>
+
+</ttFont>