Adding upstream version 124.0.1.upstream/124.0.1

Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>

6 files changed, 1252 insertions, 0 deletions

diff --git a/layout/reftests/fonts/gsubtest/gsubtest-features.js b/layout/reftests/fonts/gsubtest/gsubtest-features.js
new file mode 100644
index 0000000000..fef981cb76
--- /dev/null
+++ b/layout/reftests/fonts/gsubtest/gsubtest-features.js
@@ -0,0 +1,105 @@
+
+/* This file is autogenerated by makegsubfonts.py */
+
+/* 
+  Features defined in gsubtest fonts with associated base
+  codepoints for each feature:
+
+    cp = codepoint for feature featX
+
+    cp   default   PASS
+    cp   featX=1   FAIL
+    cp   featX=2   FAIL
+
+    cp+1 default   FAIL
+    cp+1 featX=1   PASS
+    cp+1 featX=2   FAIL
+
+    cp+2 default   FAIL
+    cp+2 featX=1   FAIL
+    cp+2 featX=2   PASS
+
+*/
+
+var gFeatures = {
+  "MWL1": 0xe000, "NUM2": 0xe004, "PRIV": 0xe008, "T3ST": 0xe00c,
+  "TPSP": 0xe010, "abvf": 0xe014, "abvm": 0xe018, "abvs": 0xe01c,
+  "afrc": 0xe020, "akhn": 0xe024, "blwf": 0xe028, "blwm": 0xe02c,
+  "blws": 0xe030, "c2pc": 0xe034, "c2sc": 0xe038, "calt": 0xe03c,
+  "case": 0xe040, "ccmp": 0xe044, "cfar": 0xe048, "cjct": 0xe04c,
+  "clig": 0xe050, "cpct": 0xe054, "cpsp": 0xe058, "cswh": 0xe05c,
+  "curs": 0xe060, "cv00": 0xe064, "cv01": 0xe068, "cv02": 0xe06c,
+  "cv03": 0xe070, "cv04": 0xe074, "cv05": 0xe078, "cv06": 0xe07c,
+  "cv07": 0xe080, "cv08": 0xe084, "cv09": 0xe088, "cv10": 0xe08c,
+  "cv11": 0xe090, "cv12": 0xe094, "cv13": 0xe098, "cv14": 0xe09c,
+  "cv15": 0xe0a0, "cv16": 0xe0a4, "cv17": 0xe0a8, "cv18": 0xe0ac,
+  "cv19": 0xe0b0, "cv20": 0xe0b4, "cv21": 0xe0b8, "cv22": 0xe0bc,
+  "cv23": 0xe0c0, "cv24": 0xe0c4, "cv25": 0xe0c8, "cv26": 0xe0cc,
+  "cv27": 0xe0d0, "cv28": 0xe0d4, "cv29": 0xe0d8, "cv30": 0xe0dc,
+  "cv31": 0xe0e0, "cv32": 0xe0e4, "cv33": 0xe0e8, "cv34": 0xe0ec,
+  "cv35": 0xe0f0, "cv36": 0xe0f4, "cv37": 0xe0f8, "cv38": 0xe0fc,
+  "cv39": 0xe100, "cv40": 0xe104, "cv41": 0xe108, "cv42": 0xe10c,
+  "cv43": 0xe110, "cv44": 0xe114, "cv45": 0xe118, "cv46": 0xe11c,
+  "cv47": 0xe120, "cv48": 0xe124, "cv49": 0xe128, "cv50": 0xe12c,
+  "cv51": 0xe130, "cv52": 0xe134, "cv53": 0xe138, "cv54": 0xe13c,
+  "cv55": 0xe140, "cv56": 0xe144, "cv57": 0xe148, "cv58": 0xe14c,
+  "cv59": 0xe150, "cv60": 0xe154, "cv61": 0xe158, "cv62": 0xe15c,
+  "cv63": 0xe160, "cv64": 0xe164, "cv65": 0xe168, "cv66": 0xe16c,
+  "cv67": 0xe170, "cv68": 0xe174, "cv69": 0xe178, "cv70": 0xe17c,
+  "cv71": 0xe180, "cv72": 0xe184, "cv73": 0xe188, "cv74": 0xe18c,
+  "cv75": 0xe190, "cv76": 0xe194, "cv77": 0xe198, "cv78": 0xe19c,
+  "cv79": 0xe1a0, "cv80": 0xe1a4, "cv81": 0xe1a8, "cv82": 0xe1ac,
+  "cv83": 0xe1b0, "cv84": 0xe1b4, "cv85": 0xe1b8, "cv86": 0xe1bc,
+  "cv87": 0xe1c0, "cv88": 0xe1c4, "cv89": 0xe1c8, "cv90": 0xe1cc,
+  "cv91": 0xe1d0, "cv92": 0xe1d4, "cv93": 0xe1d8, "cv94": 0xe1dc,
+  "cv95": 0xe1e0, "cv96": 0xe1e4, "cv97": 0xe1e8, "cv98": 0xe1ec,
+  "cv99": 0xe1f0, "dist": 0xe1f4, "dlig": 0xe1f8, "dnom": 0xe1fc,
+  "expt": 0xe200, "falt": 0xe204, "fin2": 0xe208, "fin3": 0xe20c,
+  "fina": 0xe210, "frac": 0xe214, "fwid": 0xe218, "half": 0xe21c,
+  "haln": 0xe220, "halt": 0xe224, "hist": 0xe228, "hkna": 0xe22c,
+  "hlig": 0xe230, "hngl": 0xe234, "hojo": 0xe238, "hwid": 0xe23c,
+  "init": 0xe240, "isol": 0xe244, "ital": 0xe248, "jalt": 0xe24c,
+  "jp04": 0xe250, "jp78": 0xe254, "jp83": 0xe258, "jp90": 0xe25c,
+  "kern": 0xe260, "lfbd": 0xe264, "liga": 0xe268, "ljmo": 0xe26c,
+  "lnum": 0xe270, "locl": 0xe274, "ltra": 0xe278, "ltrm": 0xe27c,
+  "mark": 0xe280, "med2": 0xe284, "medi": 0xe288, "mgrk": 0xe28c,
+  "mkmk": 0xe290, "mset": 0xe294, "nalt": 0xe298, "nlck": 0xe29c,
+  "nukt": 0xe2a0, "numr": 0xe2a4, "onum": 0xe2a8, "opbd": 0xe2ac,
+  "ordn": 0xe2b0, "ornm": 0xe2b4, "palt": 0xe2b8, "pcap": 0xe2bc,
+  "pkna": 0xe2c0, "pnum": 0xe2c4, "pref": 0xe2c8, "pres": 0xe2cc,
+  "pstf": 0xe2d0, "psts": 0xe2d4, "pwid": 0xe2d8, "qwid": 0xe2dc,
+  "rand": 0xe2e0, "rkrf": 0xe2e4, "rlig": 0xe2e8, "rphf": 0xe2ec,
+  "rtbd": 0xe2f0, "rtla": 0xe2f4, "rtlm": 0xe2f8, "ruby": 0xe2fc,
+  "salt": 0xe300, "sinf": 0xe304, "size": 0xe308, "smcp": 0xe30c,
+  "smpl": 0xe310, "ss00": 0xe314, "ss01": 0xe318, "ss02": 0xe31c,
+  "ss03": 0xe320, "ss04": 0xe324, "ss05": 0xe328, "ss06": 0xe32c,
+  "ss07": 0xe330, "ss08": 0xe334, "ss09": 0xe338, "ss10": 0xe33c,
+  "ss11": 0xe340, "ss12": 0xe344, "ss13": 0xe348, "ss14": 0xe34c,
+  "ss15": 0xe350, "ss16": 0xe354, "ss17": 0xe358, "ss18": 0xe35c,
+  "ss19": 0xe360, "ss20": 0xe364, "ss21": 0xe368, "ss22": 0xe36c,
+  "ss23": 0xe370, "ss24": 0xe374, "ss25": 0xe378, "ss26": 0xe37c,
+  "ss27": 0xe380, "ss28": 0xe384, "ss29": 0xe388, "ss30": 0xe38c,
+  "ss31": 0xe390, "ss32": 0xe394, "ss33": 0xe398, "ss34": 0xe39c,
+  "ss35": 0xe3a0, "ss36": 0xe3a4, "ss37": 0xe3a8, "ss38": 0xe3ac,
+  "ss39": 0xe3b0, "ss40": 0xe3b4, "ss41": 0xe3b8, "ss42": 0xe3bc,
+  "ss43": 0xe3c0, "ss44": 0xe3c4, "ss45": 0xe3c8, "ss46": 0xe3cc,
+  "ss47": 0xe3d0, "ss48": 0xe3d4, "ss49": 0xe3d8, "ss50": 0xe3dc,
+  "ss51": 0xe3e0, "ss52": 0xe3e4, "ss53": 0xe3e8, "ss54": 0xe3ec,
+  "ss55": 0xe3f0, "ss56": 0xe3f4, "ss57": 0xe3f8, "ss58": 0xe3fc,
+  "ss59": 0xe400, "ss60": 0xe404, "ss61": 0xe408, "ss62": 0xe40c,
+  "ss63": 0xe410, "ss64": 0xe414, "ss65": 0xe418, "ss66": 0xe41c,
+  "ss67": 0xe420, "ss68": 0xe424, "ss69": 0xe428, "ss70": 0xe42c,
+  "ss71": 0xe430, "ss72": 0xe434, "ss73": 0xe438, "ss74": 0xe43c,
+  "ss75": 0xe440, "ss76": 0xe444, "ss77": 0xe448, "ss78": 0xe44c,
+  "ss79": 0xe450, "ss80": 0xe454, "ss81": 0xe458, "ss82": 0xe45c,
+  "ss83": 0xe460, "ss84": 0xe464, "ss85": 0xe468, "ss86": 0xe46c,
+  "ss87": 0xe470, "ss88": 0xe474, "ss89": 0xe478, "ss90": 0xe47c,
+  "ss91": 0xe480, "ss92": 0xe484, "ss93": 0xe488, "ss94": 0xe48c,
+  "ss95": 0xe490, "ss96": 0xe494, "ss97": 0xe498, "ss98": 0xe49c,
+  "ss99": 0xe4a0, "subs": 0xe4a4, "sups": 0xe4a8, "swsh": 0xe4ac,
+  "titl": 0xe4b0, "tjmo": 0xe4b4, "tnam": 0xe4b8, "tnum": 0xe4bc,
+  "trad": 0xe4c0, "twid": 0xe4c4, "unic": 0xe4c8, "valt": 0xe4cc,
+  "vatu": 0xe4d0, "vert": 0xe4d4, "vhal": 0xe4d8, "vjmo": 0xe4dc,
+  "vkna": 0xe4e0, "vkrn": 0xe4e4, "vpal": 0xe4e8, "vrt2": 0xe4ec,
+  "zero": 0xe4f0
+};
diff --git a/layout/reftests/fonts/gsubtest/gsubtest-features.txt b/layout/reftests/fonts/gsubtest/gsubtest-features.txt
new file mode 100644
index 0000000000..eb976de2be
--- /dev/null
+++ b/layout/reftests/fonts/gsubtest/gsubtest-features.txt
@@ -0,0 +1,328 @@
+# Feature To Unicode Mapping
+# --------------------------
+# This file is structured as:
+#	feature tag  target  first alternate  second alternate  third alternate
+# with tab being the delimiter.
+#
+# Lines beginning with # should be ignored.
+# Empty or whitespace only lines should be ignored.
+
+abvf
+abvm
+abvs
+afrc
+akhn
+blwf
+blwm
+blws
+calt
+case
+ccmp
+cfar
+cjct
+clig
+cpct
+cpsp
+cswh
+curs
+# cv00 is a deliberately invalid feature tag
+cv00
+cv01
+cv02
+cv03
+cv04
+cv05
+cv06
+cv07
+cv08
+cv09
+cv10
+cv11
+cv12
+cv13
+cv14
+cv15
+cv16
+cv17
+cv18
+cv19
+cv20
+cv21
+cv22
+cv23
+cv24
+cv25
+cv26
+cv27
+cv28
+cv29
+cv30
+cv31
+cv32
+cv33
+cv34
+cv35
+cv36
+cv37
+cv38
+cv39
+cv40
+cv41
+cv42
+cv43
+cv44
+cv45
+cv46
+cv47
+cv48
+cv49
+cv50
+cv51
+cv52
+cv53
+cv54
+cv55
+cv56
+cv57
+cv58
+cv59
+cv60
+cv61
+cv62
+cv63
+cv64
+cv65
+cv66
+cv67
+cv68
+cv69
+cv70
+cv71
+cv72
+cv73
+cv74
+cv75
+cv76
+cv77
+cv78
+cv79
+cv80
+cv81
+cv82
+cv83
+cv84
+cv85
+cv86
+cv87
+cv88
+cv89
+cv90
+cv91
+cv92
+cv93
+cv94
+cv95
+cv96
+cv97
+cv98
+cv99
+c2pc
+c2sc
+dist
+dlig
+dnom
+expt
+falt
+fin2
+fin3
+fina
+frac
+fwid
+half
+haln
+halt
+hist
+hkna
+hlig
+hngl
+hojo
+hwid
+init
+isol
+ital
+jalt
+jp78
+jp83
+jp90
+jp04
+kern
+lfbd
+liga
+ljmo
+lnum
+locl
+ltra
+ltrm
+mark
+med2
+medi
+mgrk
+mkmk
+mset
+nalt
+nlck
+nukt
+numr
+onum
+opbd
+ordn
+ornm
+palt
+pcap
+pkna
+pnum
+pref
+pres
+pstf
+psts
+pwid
+qwid
+rand
+rkrf
+rlig
+rphf
+rtbd
+rtla
+rtlm
+ruby
+salt
+sinf
+size
+smcp
+smpl
+# ss00 is a deliberately invalid feature tag
+ss00
+ss01
+ss02
+ss03
+ss04
+ss05
+ss06
+ss07
+ss08
+ss09
+ss10
+ss11
+ss12
+ss13
+ss14
+ss15
+ss16
+ss17
+ss18
+ss19
+ss20
+ss21
+ss22
+ss23
+ss24
+ss25
+ss26
+ss27
+ss28
+ss29
+ss30
+ss31
+ss32
+ss33
+ss34
+ss35
+ss36
+ss37
+ss38
+ss39
+ss40
+ss41
+ss42
+ss43
+ss44
+ss45
+ss46
+ss47
+ss48
+ss49
+ss50
+ss51
+ss52
+ss53
+ss54
+ss55
+ss56
+ss57
+ss58
+ss59
+ss60
+ss61
+ss62
+ss63
+ss64
+ss65
+ss66
+ss67
+ss68
+ss69
+ss70
+ss71
+ss72
+ss73
+ss74
+ss75
+ss76
+ss77
+ss78
+ss79
+ss80
+ss81
+ss82
+ss83
+ss84
+ss85
+ss86
+ss87
+ss88
+ss89
+ss90
+ss91
+ss92
+ss93
+ss94
+ss95
+ss96
+ss97
+ss98
+ss99
+subs
+sups
+swsh
+titl
+tjmo
+tnam
+tnum
+trad
+twid
+unic
+valt
+vatu
+vert
+vhal
+vjmo
+vkna
+vkrn
+vpal
+vrt2
+zero
+MWL1
+NUM2
+PRIV
+T3ST
+TPSP
diff --git a/layout/reftests/fonts/gsubtest/gsubtest-lookup1.otf b/layout/reftests/fonts/gsubtest/gsubtest-lookup1.otf
new file mode 100644
index 0000000000..34ec50f9dd
--- /dev/null
+++ b/layout/reftests/fonts/gsubtest/gsubtest-lookup1.otf
diff --git a/layout/reftests/fonts/gsubtest/gsubtest-lookup3.otf b/layout/reftests/fonts/gsubtest/gsubtest-lookup3.otf
new file mode 100644
index 0000000000..1933648132
--- /dev/null
+++ b/layout/reftests/fonts/gsubtest/gsubtest-lookup3.otf
diff --git a/layout/reftests/fonts/gsubtest/gsubtest-shell.ttx b/layout/reftests/fonts/gsubtest/gsubtest-shell.ttx
new file mode 100644
index 0000000000..541f11f004
--- /dev/null
+++ b/layout/reftests/fonts/gsubtest/gsubtest-shell.ttx
@@ -0,0 +1,304 @@
+<?xml version="1.0" encoding="ISO-8859-1"?>
+<ttFont sfntVersion="OTTO" ttLibVersion="2.2">
+
+  <GlyphOrder>
+    <!-- The 'id' attribute is only for humans; it is ignored when parsed. -->
+    <GlyphID id="0" name=".notdef"/>
+    <GlyphID id="1" name="space"/>
+    <GlyphID id="2" name="F"/>
+    <GlyphID id="3" name="P"/>
+  </GlyphOrder>
+
+  <head>
+    <!-- Most of this table will be recalculated by the compiler -->
+    <tableVersion value="1.0"/>
+    <fontRevision value="1.0"/>
+    <checkSumAdjustment value="0xae4c554b"/>
+    <magicNumber value="0x5f0f3cf5"/>
+    <flags value="00000000 00000011"/>
+    <unitsPerEm value="1000"/>
+    <created value="Tue Mar 22 13:46:27 2011"/>
+    <modified value="Tue Mar 22 13:46:27 2011"/>
+    <xMin value="100"/>
+    <yMin value="-10"/>
+    <xMax value="2204"/>
+    <yMax value="710"/>
+    <macStyle value="00000000 00000000"/>
+    <lowestRecPPEM value="3"/>
+    <fontDirectionHint value="2"/>
+    <indexToLocFormat value="0"/>
+    <glyphDataFormat value="0"/>
+  </head>
+
+  <hhea>
+    <tableVersion value="1.0"/>
+    <ascent value="750"/>
+    <descent value="-250"/>
+    <lineGap value="9"/>
+    <advanceWidthMax value="2304"/>
+    <minLeftSideBearing value="100"/>
+    <minRightSideBearing value="100"/>
+    <xMaxExtent value="2204"/>
+    <caretSlopeRise value="1"/>
+    <caretSlopeRun value="0"/>
+    <caretOffset value="0"/>
+    <reserved0 value="0"/>
+    <reserved1 value="0"/>
+    <reserved2 value="0"/>
+    <reserved3 value="0"/>
+    <metricDataFormat value="0"/>
+    <numberOfHMetrics value="4"/>
+  </hhea>
+
+  <maxp>
+    <tableVersion value="0x5000"/>
+    <numGlyphs value="4"/>
+  </maxp>
+
+  <OS_2>
+    <version value="4"/>
+    <xAvgCharWidth value="1525"/>
+    <usWeightClass value="400"/>
+    <usWidthClass value="5"/>
+    <fsType value="00000000 00000000"/>
+    <ySubscriptXSize value="650"/>
+    <ySubscriptYSize value="600"/>
+    <ySubscriptXOffset value="0"/>
+    <ySubscriptYOffset value="75"/>
+    <ySuperscriptXSize value="650"/>
+    <ySuperscriptYSize value="600"/>
+    <ySuperscriptXOffset value="0"/>
+    <ySuperscriptYOffset value="350"/>
+    <yStrikeoutSize value="50"/>
+    <yStrikeoutPosition value="300"/>
+    <sFamilyClass value="0"/>
+    <panose>
+      <bFamilyType value="0"/>
+      <bSerifStyle value="0"/>
+      <bWeight value="0"/>
+      <bProportion value="0"/>
+      <bContrast value="0"/>
+      <bStrokeVariation value="0"/>
+      <bArmStyle value="0"/>
+      <bLetterForm value="0"/>
+      <bMidline value="0"/>
+      <bXHeight value="0"/>
+    </panose>
+    <ulUnicodeRange1 value="00000000 00000000 00000000 00000001"/>
+    <ulUnicodeRange2 value="00000000 00000000 00000000 00000000"/>
+    <ulUnicodeRange3 value="00000000 00000000 00000000 00000000"/>
+    <ulUnicodeRange4 value="00000000 00000000 00000000 00000000"/>
+    <achVendID value="None"/>
+    <fsSelection value="00000001 11000000"/>
+    <fsFirstCharIndex value="32"/>
+    <fsLastCharIndex value="80"/>
+    <sTypoAscender value="750"/>
+    <sTypoDescender value="-250"/>
+    <sTypoLineGap value="0"/>
+    <usWinAscent value="1000"/>
+    <usWinDescent value="0"/>
+    <ulCodePageRange1 value="00100000 00000000 00000000 00000001"/>
+    <ulCodePageRange2 value="00000000 00000000 00000000 00000000"/>
+    <sxHeight value="500"/>
+    <sCapHeight value="750"/>
+    <usDefaultChar value="0"/>
+    <usBreakChar value="32"/>
+    <usMaxContex value="0"/>
+  </OS_2>
+
+  <name>
+    <namerecord nameID="1" platformID="1" platEncID="0" langID="0x0">
+      __familyName__
+    </namerecord>
+    <namerecord nameID="2" platformID="1" platEncID="0" langID="0x0">
+      Regular
+    </namerecord>
+    <namerecord nameID="3" platformID="1" platEncID="0" langID="0x0">
+      1.000;TPSP;__familyName__-Regular
+    </namerecord>
+    <namerecord nameID="4" platformID="1" platEncID="0" langID="0x0">
+      __familyName__
+    </namerecord>
+    <namerecord nameID="5" platformID="1" platEncID="0" langID="0x0">
+      Version 1.000
+    </namerecord>
+    <namerecord nameID="6" platformID="1" platEncID="0" langID="0x0">
+      __familyName__-Regular
+    </namerecord>
+    <namerecord nameID="9" platformID="3" platEncID="0" langID="0x0">
+      Tal Leming with modifications by John Daggett
+    </namerecord>
+    <namerecord nameID="14" platformID="3" platEncID="0" langID="0x0">
+      http://scripts.sil.org/OFL
+    </namerecord>
+    <namerecord nameID="1" platformID="3" platEncID="1" langID="0x409">
+      __familyName__
+    </namerecord>
+    <namerecord nameID="2" platformID="3" platEncID="1" langID="0x409">
+      Regular
+    </namerecord>
+    <namerecord nameID="3" platformID="3" platEncID="1" langID="0x409">
+      1.000;TPSP;__familyName__-Regular
+    </namerecord>
+    <namerecord nameID="4" platformID="3" platEncID="1" langID="0x409">
+      __familyName__
+    </namerecord>
+    <namerecord nameID="5" platformID="3" platEncID="1" langID="0x409">
+      Version 1.000
+    </namerecord>
+    <namerecord nameID="6" platformID="3" platEncID="1" langID="0x409">
+      __familyName__-Regular
+    </namerecord>
+    <namerecord nameID="9" platformID="3" platEncID="1" langID="0x409">
+      Tal Leming with modifications by John Daggett
+    </namerecord>
+    <namerecord nameID="14" platformID="3" platEncID="1" langID="0x409">
+      http://scripts.sil.org/OFL
+    </namerecord>
+  </name>
+
+  <cmap>
+    <tableVersion version="0"/>
+    <cmap_format_4 platformID="0" platEncID="3" language="0">
+      <map code="0x20" name="space"/><!-- SPACE -->
+      <map code="0x46" name="F"/><!-- LATIN CAPITAL LETTER F -->
+      <map code="0x50" name="P"/><!-- LATIN CAPITAL LETTER P -->
+    </cmap_format_4>
+    <cmap_format_4 platformID="3" platEncID="1" language="0">
+      <map code="0x20" name="space"/><!-- SPACE -->
+      <map code="0x46" name="F"/><!-- LATIN CAPITAL LETTER F -->
+      <map code="0x50" name="P"/><!-- LATIN CAPITAL LETTER P -->
+    </cmap_format_4>
+  </cmap>
+
+  <post>
+    <formatType value="3.0"/>
+    <italicAngle value="0.0"/>
+    <underlinePosition value="-75"/>
+    <underlineThickness value="50"/>
+    <isFixedPitch value="0"/>
+    <minMemType42 value="0"/>
+    <maxMemType42 value="0"/>
+    <minMemType1 value="0"/>
+    <maxMemType1 value="0"/>
+  </post>
+
+  <CFF>
+
+    <CFFFont name="__familyName__-Regular">
+      <version value="001.000"/>
+      <FullName value="__familyName__"/>
+      <FamilyName value="__familyName__"/>
+      <Weight value="Normal"/>
+      <isFixedPitch value="0"/>
+      <ItalicAngle value="0"/>
+      <UnderlineThickness value="50"/>
+      <PaintType value="0"/>
+      <CharstringType value="2"/>
+      <FontMatrix value="0.001 0 0 0.001 0 0"/>
+      <FontBBox value="100 0 2204 750"/>
+      <StrokeWidth value="0"/>
+      <!-- charset is dumped separately as the 'GlyphOrder' element -->
+      <Encoding name="StandardEncoding"/>
+      <Private>
+        <BlueValues value="0 0"/>
+        <BlueScale value="0.039625"/>
+        <BlueShift value="7"/>
+        <BlueFuzz value="1"/>
+        <ForceBold value="0"/>
+        <LanguageGroup value="0"/>
+        <ExpansionFactor value="0.06"/>
+        <initialRandomSeed value="0"/>
+        <defaultWidthX value="750"/>
+        <nominalWidthX value="2406"/>
+      </Private>
+      <CharStrings>
+        <CharString name=".notdef">
+          endchar
+        </CharString>
+        <CharString name="F">
+          -102 787 hmoveto
+          31 119 rlineto
+          203 hlineto
+          32 -119 rlineto
+          246 hlineto
+          -213 700 rlineto
+          -296 hlineto
+          -213 -700 rlineto
+          -477 hmoveto
+          237 244 245 162 -245 130 287 164 -524 hlineto
+          1586 -700 rmoveto
+          518 180 -281 520 -237 hlineto
+          -332 -700 rmoveto
+          237 700 -237 hlineto
+          -434 -196 rmoveto
+          60 -228 rlineto
+          -120 hlineto
+          endchar
+        </CharString>
+        <CharString name="P">
+          -107 394 306 rmoveto
+          153 86 82 115 115 -86 82 -153 hvcurveto
+          -294 -15 91 -670 -91 -15 297 15 -101 291 hlineto
+          632 -291 rmoveto
+          -15 276 15 -67 vlineto
+          -254 690 rlineto
+          -12 hlineto
+          -219 -593 rlineto
+          -69 -25 -46 -28 -59 hhcurveto
+          -5 -15 259 15 -26 hlineto
+          -67 -35 34 71 26 hvcurveto
+          43 116 rlineto
+          232 hlineto
+          78 -221 rlineto
+          599 695 rmoveto
+          -28 -11 -5 -6 -14 -22 -44 34 -78 hhcurveto
+          -124 -91 -73 -106 -95 52 -64 147 -61 hvcurveto
+          126 -52 30 -44 -79 vvcurveto
+          -81 -55 -50 -81 -103 -85 70 168 -17 vhcurveto
+          -15 -253 15 hlineto
+          22 4 13 15 18 45 32 -37 98 hhcurveto
+          130 92 82 116 83 -32 66 -173 73 hvcurveto
+          -120 50 -33 43 72 vvcurveto
+          71 51 49 82 90 65 -92 -119 13 vhcurveto
+          15 226 hlineto
+          -1118 -207 rmoveto
+          -119 -49 -63 -96 vhcurveto
+          -82 364 82 hlineto
+          96 49 -63 -119 hvcurveto
+          312 53 rmoveto
+          108 -305 rlineto
+          -221 hlineto
+          1420 459 rmoveto
+          -28 -11 -5 -6 -14 -22 -44 34 -78 hhcurveto
+          -124 -91 -73 -106 -95 52 -64 147 -61 hvcurveto
+          126 -52 30 -44 -79 vvcurveto
+          -81 -55 -50 -81 -103 -85 70 168 -17 vhcurveto
+          -15 -253 15 hlineto
+          22 4 13 15 18 45 32 -37 98 hhcurveto
+          130 92 82 116 83 -32 66 -173 73 hvcurveto
+          -120 50 -33 43 72 vvcurveto
+          71 51 49 82 90 65 -92 -119 13 vhcurveto
+          15 226 hlineto
+          endchar
+        </CharString>
+        <CharString name="space">
+          endchar
+        </CharString>
+      </CharStrings>
+    </CFFFont>
+
+    <GlobalSubrs>
+      <!-- The 'index' attribute is only for humans; it is ignored when parsed. -->
+    </GlobalSubrs>
+
+  </CFF>
+
+  <hmtx>
+    <mtx name=".notdef" width="750" lsb="0"/>
+    <mtx name="F" width="2304" lsb="100"/>
+    <mtx name="P" width="2299" lsb="100"/>
+    <mtx name="space" width="750" lsb="0"/>
+  </hmtx>
+
+</ttFont>
diff --git a/layout/reftests/fonts/gsubtest/makegsubfonts.py b/layout/reftests/fonts/gsubtest/makegsubfonts.py
new file mode 100644
index 0000000000..8cd6476d97
--- /dev/null
+++ b/layout/reftests/fonts/gsubtest/makegsubfonts.py
@@ -0,0 +1,515 @@
+import os
+import textwrap
+from xml.etree import ElementTree
+from fontTools.ttLib import TTFont, newTable
+from fontTools.misc.psCharStrings import T2CharString
+from fontTools.ttLib.tables.otTables import (
+    GSUB,
+    ScriptList,
+    ScriptRecord,
+    Script,
+    DefaultLangSys,
+    FeatureList,
+    FeatureRecord,
+    Feature,
+    LookupList,
+    Lookup,
+    AlternateSubst,
+    SingleSubst,
+)
+
+# paths
+directory = os.path.dirname(__file__)
+shellSourcePath = os.path.join(directory, "gsubtest-shell.ttx")
+shellTempPath = os.path.join(directory, "gsubtest-shell.otf")
+featureList = os.path.join(directory, "gsubtest-features.txt")
+javascriptData = os.path.join(directory, "gsubtest-features.js")
+outputPath = os.path.join(os.path.dirname(directory), "gsubtest-lookup%d")
+
+baseCodepoint = 0xE000
+
+# -------
+# Features
+# -------
+
+f = open(featureList, "rb")
+text = f.read()
+f.close()
+mapping = []
+for line in text.splitlines():
+    line = line.strip()
+    if not line:
+        continue
+    if line.startswith("#"):
+        continue
+    # parse
+    values = line.split("\t")
+    tag = values.pop(0)
+    mapping.append(tag)
+
+# --------
+# Outlines
+# --------
+
+
+def addGlyphToCFF(
+    glyphName=None,
+    program=None,
+    private=None,
+    globalSubrs=None,
+    charStringsIndex=None,
+    topDict=None,
+    charStrings=None,
+):
+    charString = T2CharString(program=program, private=private, globalSubrs=globalSubrs)
+    charStringsIndex.append(charString)
+    glyphID = len(topDict.charset)
+    charStrings.charStrings[glyphName] = glyphID
+    topDict.charset.append(glyphName)
+
+
+def makeLookup1():
+    # make a variation of the shell TTX data
+    f = open(shellSourcePath)
+    ttxData = f.read()
+    f.close()
+    ttxData = ttxData.replace("__familyName__", "gsubtest-lookup1")
+    tempShellSourcePath = shellSourcePath + ".temp"
+    f = open(tempShellSourcePath, "wb")
+    f.write(ttxData)
+    f.close()
+
+    # compile the shell
+    shell = TTFont(sfntVersion="OTTO")
+    shell.importXML(tempShellSourcePath)
+    shell.save(shellTempPath)
+    os.remove(tempShellSourcePath)
+
+    # load the shell
+    shell = TTFont(shellTempPath)
+
+    # grab the PASS and FAIL data
+    hmtx = shell["hmtx"]
+    glyphSet = shell.getGlyphSet()
+
+    failGlyph = glyphSet["F"]
+    failGlyph.decompile()
+    failGlyphProgram = list(failGlyph.program)
+    failGlyphMetrics = hmtx["F"]
+
+    passGlyph = glyphSet["P"]
+    passGlyph.decompile()
+    passGlyphProgram = list(passGlyph.program)
+    passGlyphMetrics = hmtx["P"]
+
+    # grab some tables
+    hmtx = shell["hmtx"]
+    cmap = shell["cmap"]
+
+    # start the glyph order
+    existingGlyphs = [".notdef", "space", "F", "P"]
+    glyphOrder = list(existingGlyphs)
+
+    # start the CFF
+    cff = shell["CFF "].cff
+    globalSubrs = cff.GlobalSubrs
+    topDict = cff.topDictIndex[0]
+    topDict.charset = existingGlyphs
+    private = topDict.Private
+    charStrings = topDict.CharStrings
+    charStringsIndex = charStrings.charStringsIndex
+
+    features = sorted(mapping)
+
+    # build the outline, hmtx and cmap data
+    cp = baseCodepoint
+    for index, tag in enumerate(features):
+        # tag.pass
+        glyphName = "%s.pass" % tag
+        glyphOrder.append(glyphName)
+        addGlyphToCFF(
+            glyphName=glyphName,
+            program=passGlyphProgram,
+            private=private,
+            globalSubrs=globalSubrs,
+            charStringsIndex=charStringsIndex,
+            topDict=topDict,
+            charStrings=charStrings,
+        )
+        hmtx[glyphName] = passGlyphMetrics
+
+        for table in cmap.tables:
+            if table.format == 4:
+                table.cmap[cp] = glyphName
+            else:
+                raise NotImplementedError(
+                    "Unsupported cmap table format: %d" % table.format
+                )
+        cp += 1
+
+        # tag.fail
+        glyphName = "%s.fail" % tag
+        glyphOrder.append(glyphName)
+        addGlyphToCFF(
+            glyphName=glyphName,
+            program=failGlyphProgram,
+            private=private,
+            globalSubrs=globalSubrs,
+            charStringsIndex=charStringsIndex,
+            topDict=topDict,
+            charStrings=charStrings,
+        )
+        hmtx[glyphName] = failGlyphMetrics
+
+        for table in cmap.tables:
+            if table.format == 4:
+                table.cmap[cp] = glyphName
+            else:
+                raise NotImplementedError(
+                    "Unsupported cmap table format: %d" % table.format
+                )
+
+                # bump this up so that the sequence is the same as the lookup 3 font
+        cp += 3
+
+    # set the glyph order
+    shell.setGlyphOrder(glyphOrder)
+
+    # start the GSUB
+    shell["GSUB"] = newTable("GSUB")
+    gsub = shell["GSUB"].table = GSUB()
+    gsub.Version = 1.0
+
+    # make a list of all the features we will make
+    featureCount = len(features)
+
+    # set up the script list
+    scriptList = gsub.ScriptList = ScriptList()
+    scriptList.ScriptCount = 1
+    scriptList.ScriptRecord = []
+    scriptRecord = ScriptRecord()
+    scriptList.ScriptRecord.append(scriptRecord)
+    scriptRecord.ScriptTag = "DFLT"
+    script = scriptRecord.Script = Script()
+    defaultLangSys = script.DefaultLangSys = DefaultLangSys()
+    defaultLangSys.FeatureCount = featureCount
+    defaultLangSys.FeatureIndex = range(defaultLangSys.FeatureCount)
+    defaultLangSys.ReqFeatureIndex = 65535
+    defaultLangSys.LookupOrder = None
+    script.LangSysCount = 0
+    script.LangSysRecord = []
+
+    # set up the feature list
+    featureList = gsub.FeatureList = FeatureList()
+    featureList.FeatureCount = featureCount
+    featureList.FeatureRecord = []
+    for index, tag in enumerate(features):
+        # feature record
+        featureRecord = FeatureRecord()
+        featureRecord.FeatureTag = tag
+        feature = featureRecord.Feature = Feature()
+        featureList.FeatureRecord.append(featureRecord)
+        # feature
+        feature.FeatureParams = None
+        feature.LookupCount = 1
+        feature.LookupListIndex = [index]
+
+    # write the lookups
+    lookupList = gsub.LookupList = LookupList()
+    lookupList.LookupCount = featureCount
+    lookupList.Lookup = []
+    for tag in features:
+        # lookup
+        lookup = Lookup()
+        lookup.LookupType = 1
+        lookup.LookupFlag = 0
+        lookup.SubTableCount = 1
+        lookup.SubTable = []
+        lookupList.Lookup.append(lookup)
+        # subtable
+        subtable = SingleSubst()
+        subtable.Format = 2
+        subtable.LookupType = 1
+        subtable.mapping = {
+            "%s.pass" % tag: "%s.fail" % tag,
+            "%s.fail" % tag: "%s.pass" % tag,
+        }
+        lookup.SubTable.append(subtable)
+
+    path = outputPath % 1 + ".otf"
+    if os.path.exists(path):
+        os.remove(path)
+    shell.save(path)
+
+    # get rid of the shell
+    if os.path.exists(shellTempPath):
+        os.remove(shellTempPath)
+
+
+def makeLookup3():
+    # make a variation of the shell TTX data
+    f = open(shellSourcePath)
+    ttxData = f.read()
+    f.close()
+    ttxData = ttxData.replace("__familyName__", "gsubtest-lookup3")
+    tempShellSourcePath = shellSourcePath + ".temp"
+    f = open(tempShellSourcePath, "wb")
+    f.write(ttxData)
+    f.close()
+
+    # compile the shell
+    shell = TTFont(sfntVersion="OTTO")
+    shell.importXML(tempShellSourcePath)
+    shell.save(shellTempPath)
+    os.remove(tempShellSourcePath)
+
+    # load the shell
+    shell = TTFont(shellTempPath)
+
+    # grab the PASS and FAIL data
+    hmtx = shell["hmtx"]
+    glyphSet = shell.getGlyphSet()
+
+    failGlyph = glyphSet["F"]
+    failGlyph.decompile()
+    failGlyphProgram = list(failGlyph.program)
+    failGlyphMetrics = hmtx["F"]
+
+    passGlyph = glyphSet["P"]
+    passGlyph.decompile()
+    passGlyphProgram = list(passGlyph.program)
+    passGlyphMetrics = hmtx["P"]
+
+    # grab some tables
+    hmtx = shell["hmtx"]
+    cmap = shell["cmap"]
+
+    # start the glyph order
+    existingGlyphs = [".notdef", "space", "F", "P"]
+    glyphOrder = list(existingGlyphs)
+
+    # start the CFF
+    cff = shell["CFF "].cff
+    globalSubrs = cff.GlobalSubrs
+    topDict = cff.topDictIndex[0]
+    topDict.charset = existingGlyphs
+    private = topDict.Private
+    charStrings = topDict.CharStrings
+    charStringsIndex = charStrings.charStringsIndex
+
+    features = sorted(mapping)
+
+    # build the outline, hmtx and cmap data
+    cp = baseCodepoint
+    for index, tag in enumerate(features):
+        # tag.pass
+        glyphName = "%s.pass" % tag
+        glyphOrder.append(glyphName)
+        addGlyphToCFF(
+            glyphName=glyphName,
+            program=passGlyphProgram,
+            private=private,
+            globalSubrs=globalSubrs,
+            charStringsIndex=charStringsIndex,
+            topDict=topDict,
+            charStrings=charStrings,
+        )
+        hmtx[glyphName] = passGlyphMetrics
+
+        # tag.fail
+        glyphName = "%s.fail" % tag
+        glyphOrder.append(glyphName)
+        addGlyphToCFF(
+            glyphName=glyphName,
+            program=failGlyphProgram,
+            private=private,
+            globalSubrs=globalSubrs,
+            charStringsIndex=charStringsIndex,
+            topDict=topDict,
+            charStrings=charStrings,
+        )
+        hmtx[glyphName] = failGlyphMetrics
+
+        # tag.default
+        glyphName = "%s.default" % tag
+        glyphOrder.append(glyphName)
+        addGlyphToCFF(
+            glyphName=glyphName,
+            program=passGlyphProgram,
+            private=private,
+            globalSubrs=globalSubrs,
+            charStringsIndex=charStringsIndex,
+            topDict=topDict,
+            charStrings=charStrings,
+        )
+        hmtx[glyphName] = passGlyphMetrics
+
+        for table in cmap.tables:
+            if table.format == 4:
+                table.cmap[cp] = glyphName
+            else:
+                raise NotImplementedError(
+                    "Unsupported cmap table format: %d" % table.format
+                )
+        cp += 1
+
+        # tag.alt1,2,3
+        for i in range(1, 4):
+            glyphName = "%s.alt%d" % (tag, i)
+            glyphOrder.append(glyphName)
+            addGlyphToCFF(
+                glyphName=glyphName,
+                program=failGlyphProgram,
+                private=private,
+                globalSubrs=globalSubrs,
+                charStringsIndex=charStringsIndex,
+                topDict=topDict,
+                charStrings=charStrings,
+            )
+            hmtx[glyphName] = failGlyphMetrics
+            for table in cmap.tables:
+                if table.format == 4:
+                    table.cmap[cp] = glyphName
+                else:
+                    raise NotImplementedError(
+                        "Unsupported cmap table format: %d" % table.format
+                    )
+            cp += 1
+
+    # set the glyph order
+    shell.setGlyphOrder(glyphOrder)
+
+    # start the GSUB
+    shell["GSUB"] = newTable("GSUB")
+    gsub = shell["GSUB"].table = GSUB()
+    gsub.Version = 1.0
+
+    # make a list of all the features we will make
+    featureCount = len(features)
+
+    # set up the script list
+    scriptList = gsub.ScriptList = ScriptList()
+    scriptList.ScriptCount = 1
+    scriptList.ScriptRecord = []
+    scriptRecord = ScriptRecord()
+    scriptList.ScriptRecord.append(scriptRecord)
+    scriptRecord.ScriptTag = "DFLT"
+    script = scriptRecord.Script = Script()
+    defaultLangSys = script.DefaultLangSys = DefaultLangSys()
+    defaultLangSys.FeatureCount = featureCount
+    defaultLangSys.FeatureIndex = range(defaultLangSys.FeatureCount)
+    defaultLangSys.ReqFeatureIndex = 65535
+    defaultLangSys.LookupOrder = None
+    script.LangSysCount = 0
+    script.LangSysRecord = []
+
+    # set up the feature list
+    featureList = gsub.FeatureList = FeatureList()
+    featureList.FeatureCount = featureCount
+    featureList.FeatureRecord = []
+    for index, tag in enumerate(features):
+        # feature record
+        featureRecord = FeatureRecord()
+        featureRecord.FeatureTag = tag
+        feature = featureRecord.Feature = Feature()
+        featureList.FeatureRecord.append(featureRecord)
+        # feature
+        feature.FeatureParams = None
+        feature.LookupCount = 1
+        feature.LookupListIndex = [index]
+
+    # write the lookups
+    lookupList = gsub.LookupList = LookupList()
+    lookupList.LookupCount = featureCount
+    lookupList.Lookup = []
+    for tag in features:
+        # lookup
+        lookup = Lookup()
+        lookup.LookupType = 3
+        lookup.LookupFlag = 0
+        lookup.SubTableCount = 1
+        lookup.SubTable = []
+        lookupList.Lookup.append(lookup)
+        # subtable
+        subtable = AlternateSubst()
+        subtable.Format = 1
+        subtable.LookupType = 3
+        subtable.alternates = {
+            "%s.default" % tag: ["%s.fail" % tag, "%s.fail" % tag, "%s.fail" % tag],
+            "%s.alt1" % tag: ["%s.pass" % tag, "%s.fail" % tag, "%s.fail" % tag],
+            "%s.alt2" % tag: ["%s.fail" % tag, "%s.pass" % tag, "%s.fail" % tag],
+            "%s.alt3" % tag: ["%s.fail" % tag, "%s.fail" % tag, "%s.pass" % tag],
+        }
+        lookup.SubTable.append(subtable)
+
+    path = outputPath % 3 + ".otf"
+    if os.path.exists(path):
+        os.remove(path)
+    shell.save(path)
+
+    # get rid of the shell
+    if os.path.exists(shellTempPath):
+        os.remove(shellTempPath)
+
+
+def makeJavascriptData():
+    features = sorted(mapping)
+    outStr = []
+
+    outStr.append("")
+    outStr.append("/* This file is autogenerated by makegsubfonts.py */")
+    outStr.append("")
+    outStr.append("/* ")
+    outStr.append("  Features defined in gsubtest fonts with associated base")
+    outStr.append("  codepoints for each feature:")
+    outStr.append("")
+    outStr.append("    cp = codepoint for feature featX")
+    outStr.append("")
+    outStr.append("    cp   default   PASS")
+    outStr.append("    cp   featX=1   FAIL")
+    outStr.append("    cp   featX=2   FAIL")
+    outStr.append("")
+    outStr.append("    cp+1 default   FAIL")
+    outStr.append("    cp+1 featX=1   PASS")
+    outStr.append("    cp+1 featX=2   FAIL")
+    outStr.append("")
+    outStr.append("    cp+2 default   FAIL")
+    outStr.append("    cp+2 featX=1   FAIL")
+    outStr.append("    cp+2 featX=2   PASS")
+    outStr.append("")
+    outStr.append("*/")
+    outStr.append("")
+    outStr.append("var gFeatures = {")
+    cp = baseCodepoint
+
+    taglist = []
+    for tag in features:
+        taglist.append('"%s": 0x%x' % (tag, cp))
+        cp += 4
+
+    outStr.append(
+        textwrap.fill(", ".join(taglist), initial_indent="  ", subsequent_indent="  ")
+    )
+    outStr.append("};")
+    outStr.append("")
+
+    if os.path.exists(javascriptData):
+        os.remove(javascriptData)
+
+    f = open(javascriptData, "wb")
+    f.write("\n".join(outStr))
+    f.close()
+
+
+# build fonts
+
+print("Making lookup type 1 font...")
+makeLookup1()
+
+print("Making lookup type 3 font...")
+makeLookup3()
+
+# output javascript data
+
+print("Making javascript data file...")
+makeJavascriptData()