diff --git a/tests/tests/graphics/assets/unsorted_cmap12.ttf b/tests/tests/graphics/assets/unsorted_cmap12.ttf
new file mode 100644
index 0000000..d9587df
--- /dev/null
+++ b/tests/tests/graphics/assets/unsorted_cmap12.ttf
Binary files differ
diff --git a/tests/tests/graphics/assets/unsorted_cmap12.ttx b/tests/tests/graphics/assets/unsorted_cmap12.ttx
new file mode 100644
index 0000000..6444903
--- /dev/null
+++ b/tests/tests/graphics/assets/unsorted_cmap12.ttx
@@ -0,0 +1,199 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<!-- Copyright (C) 2017 The Android Open Source Project
+
+     Licensed under the Apache License, Version 2.0 (the "License");
+     you may not use this file except in compliance with the License.
+     You may obtain a copy of the License at
+
+          http://www.apache.org/licenses/LICENSE-2.0
+
+     Unless required by applicable law or agreed to in writing, software
+     distributed under the License is distributed on an "AS IS" BASIS
+     WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+     See the License for the specific language governing permissions and
+     limitations under the License.
+-->
+<ttFont sfntVersion="\x00\x01\x00\x00" ttLibVersion="3.0">
+
+  <GlyphOrder>
+    <GlyphID id="0" name=".notdef"/>
+    <GlyphID id="1" name="3em"/>
+  </GlyphOrder>
+
+  <head>
+    <tableVersion value="1.0"/>
+    <fontRevision value="1.0"/>
+    <checkSumAdjustment value="0x640cdb2f"/>
+    <magicNumber value="0x5f0f3cf5"/>
+    <flags value="00000000 00000011"/>
+    <unitsPerEm value="1000"/>
+    <created value="Fri Mar 17 07:26:00 2017"/>
+    <macStyle value="00000000 00000000"/>
+    <lowestRecPPEM value="7"/>
+    <fontDirectionHint value="2"/>
+    <glyphDataFormat value="0"/>
+  </head>
+
+  <hhea>
+    <tableVersion value="0x00010000"/>
+    <ascent value="1000"/>
+    <descent value="-200"/>
+    <lineGap value="0"/>
+    <caretSlopeRise value="1"/>
+    <caretSlopeRun value="0"/>
+    <caretOffset value="0"/>
+    <reserved0 value="0"/>
+    <reserved1 value="0"/>
+    <reserved2 value="0"/>
+    <reserved3 value="0"/>
+    <metricDataFormat value="0"/>
+  </hhea>
+
+  <maxp>
+    <tableVersion value="0x10000"/>
+    <maxZones value="0"/>
+    <maxTwilightPoints value="0"/>
+    <maxStorage value="0"/>
+    <maxFunctionDefs value="0"/>
+    <maxInstructionDefs value="0"/>
+    <maxStackElements value="0"/>
+    <maxSizeOfInstructions value="0"/>
+    <maxComponentElements value="0"/>
+  </maxp>
+
+  <OS_2>
+    <!-- The fields 'usFirstCharIndex' and 'usLastCharIndex'
+         will be recalculated by the compiler -->
+    <version value="3"/>
+    <xAvgCharWidth value="594"/>
+    <usWeightClass value="400"/>
+    <usWidthClass value="5"/>
+    <fsType value="00000000 00001000"/>
+    <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="5"/>
+      <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="UKWN"/>
+    <fsSelection value="00000000 01000000"/>
+    <usFirstCharIndex value="32"/>
+    <usLastCharIndex value="122"/>
+    <sTypoAscender value="800"/>
+    <sTypoDescender value="-200"/>
+    <sTypoLineGap value="200"/>
+    <usWinAscent value="1000"/>
+    <usWinDescent value="200"/>
+    <ulCodePageRange1 value="00000000 00000000 00000000 00000001"/>
+    <ulCodePageRange2 value="00000000 00000000 00000000 00000000"/>
+    <sxHeight value="500"/>
+    <sCapHeight value="700"/>
+    <usDefaultChar value="0"/>
+    <usBreakChar value="32"/>
+    <usMaxContext value="0"/>
+  </OS_2>
+
+  <hmtx>
+    <mtx name=".notdef" width="500" lsb="93"/>
+    <mtx name="3em" width="3000" lsb="93"/>
+  </hmtx>
+
+  <cmap>
+    <tableVersion version="0"/>
+    <cmap_format_12 format="12" reserved="0" length="0" nGroups="0" platformID="3" platEncID="10" language="0">
+      <!-- Note that following hexcode is pseudo ttx source.
+           You may want to see hexdump of the unsorted_cmap12.ttf -->
+      <hexdata>
+        00 0c  <!-- format: 12 -->
+        00 00  <!-- reserved -->
+        00 00 00 28  <!-- length: 40 bytes -->
+        00 00 00 00  <!-- langauge -->
+        00 00 00 02  <!-- num of groups -->
+
+        <!-- Bad font: cmap entries must be sorted in ascending order. -->
+        <!-- start of the first group -->
+        00 00 04 00  <!-- start code point -->
+        00 00 04 00  <!-- end code point -->
+        00 00 00 01  <!-- start glyph ID -->
+
+        <!-- start of the second group -->
+        00 00 01 00  <!-- start code point -->
+        00 00 01 00  <!-- end code point -->
+        00 00 00 01  <!-- start glyph ID -->
+      </hexdata>
+    </cmap_format_12>
+  </cmap>
+
+  <loca>
+    <!-- The 'loca' table will be calculated by the compiler -->
+  </loca>
+
+  <glyf>
+    <TTGlyph name=".notdef" xMin="0" yMin="0" xMax="0" yMax="0" />
+    <TTGlyph name="3em" xMin="0" yMin="0" xMax="0" yMax="0" />
+  </glyf>
+
+  <name>
+    <namerecord nameID="0" platformID="3" platEncID="1" langID="0x409">
+      Copyright (C) 2017 The Android Open Source Project
+    </namerecord>
+    <namerecord nameID="1" platformID="3" platEncID="1" langID="0x409">
+      Broken Cmap Format12 Font
+    </namerecord>
+    <namerecord nameID="2" platformID="3" platEncID="1" langID="0x409">
+      Regular
+    </namerecord>
+    <namerecord nameID="4" platformID="3" platEncID="1" langID="0x409">
+      Broken Cmap Format12 Font
+    </namerecord>
+    <namerecord nameID="6" platformID="3" platEncID="1" langID="0x409">
+      BrokenCmapFormat12Font-Regular
+    </namerecord>
+    <namerecord nameID="13" platformID="3" platEncID="1" langID="0x409">
+      Licensed under the Apache License, Version 2.0 (the "License");
+      you may not use this file except in compliance with the License.
+      Unless required by applicable law or agreed to in writing, software
+      distributed under the License is distributed on an "AS IS" BASIS
+      WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+      See the License for the specific language governing permissions and
+      limitations under the License.
+    </namerecord>
+    <namerecord nameID="14" platformID="3" platEncID="1" langID="0x409">
+      http://www.apache.org/licenses/LICENSE-2.0
+    </namerecord>
+  </name>
+
+  <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>
+
+</ttFont>
diff --git a/tests/tests/graphics/assets/unsorted_cmap14_default_uvs.ttf b/tests/tests/graphics/assets/unsorted_cmap14_default_uvs.ttf
new file mode 100644
index 0000000..83801fc
--- /dev/null
+++ b/tests/tests/graphics/assets/unsorted_cmap14_default_uvs.ttf
Binary files differ
diff --git a/tests/tests/graphics/assets/unsorted_cmap14_default_uvs.ttx b/tests/tests/graphics/assets/unsorted_cmap14_default_uvs.ttx
new file mode 100644
index 0000000..310a487
--- /dev/null
+++ b/tests/tests/graphics/assets/unsorted_cmap14_default_uvs.ttx
@@ -0,0 +1,197 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<!-- Copyright (C) 2017 The Android Open Source Project
+
+     Licensed under the Apache License, Version 2.0 (the "License");
+     you may not use this file except in compliance with the License.
+     You may obtain a copy of the License at
+
+          http://www.apache.org/licenses/LICENSE-2.0
+
+     Unless required by applicable law or agreed to in writing, software
+     distributed under the License is distributed on an "AS IS" BASIS
+     WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+     See the License for the specific language governing permissions and
+     limitations under the License.
+-->
+<ttFont sfntVersion="\x00\x01\x00\x00" ttLibVersion="3.0">
+
+  <GlyphOrder>
+    <GlyphID id="0" name=".notdef"/>
+  </GlyphOrder>
+
+  <head>
+    <tableVersion value="1.0"/>
+    <fontRevision value="1.0"/>
+    <checkSumAdjustment value="0x640cdb2f"/>
+    <magicNumber value="0x5f0f3cf5"/>
+    <flags value="00000000 00000011"/>
+    <unitsPerEm value="1000"/>
+    <created value="Fri Mar 17 07:26:00 2017"/>
+    <macStyle value="00000000 00000000"/>
+    <lowestRecPPEM value="7"/>
+    <fontDirectionHint value="2"/>
+    <glyphDataFormat value="0"/>
+  </head>
+
+  <hhea>
+    <tableVersion value="0x00010000"/>
+    <ascent value="1000"/>
+    <descent value="-200"/>
+    <lineGap value="0"/>
+    <caretSlopeRise value="1"/>
+    <caretSlopeRun value="0"/>
+    <caretOffset value="0"/>
+    <reserved0 value="0"/>
+    <reserved1 value="0"/>
+    <reserved2 value="0"/>
+    <reserved3 value="0"/>
+    <metricDataFormat value="0"/>
+  </hhea>
+
+  <maxp>
+    <tableVersion value="0x10000"/>
+    <maxZones value="0"/>
+    <maxTwilightPoints value="0"/>
+    <maxStorage value="0"/>
+    <maxFunctionDefs value="0"/>
+    <maxInstructionDefs value="0"/>
+    <maxStackElements value="0"/>
+    <maxSizeOfInstructions value="0"/>
+    <maxComponentElements value="0"/>
+  </maxp>
+
+  <OS_2>
+    <!-- The fields 'usFirstCharIndex' and 'usLastCharIndex'
+         will be recalculated by the compiler -->
+    <version value="3"/>
+    <xAvgCharWidth value="594"/>
+    <usWeightClass value="400"/>
+    <usWidthClass value="5"/>
+    <fsType value="00000000 00001000"/>
+    <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="5"/>
+      <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="UKWN"/>
+    <fsSelection value="00000000 01000000"/>
+    <usFirstCharIndex value="32"/>
+    <usLastCharIndex value="122"/>
+    <sTypoAscender value="800"/>
+    <sTypoDescender value="-200"/>
+    <sTypoLineGap value="200"/>
+    <usWinAscent value="1000"/>
+    <usWinDescent value="200"/>
+    <ulCodePageRange1 value="00000000 00000000 00000000 00000001"/>
+    <ulCodePageRange2 value="00000000 00000000 00000000 00000000"/>
+    <sxHeight value="500"/>
+    <sCapHeight value="700"/>
+    <usDefaultChar value="0"/>
+    <usBreakChar value="32"/>
+    <usMaxContext value="0"/>
+  </OS_2>
+
+  <hmtx>
+    <mtx name=".notdef" width="500" lsb="93"/>
+  </hmtx>
+
+  <cmap>
+    <tableVersion version="0"/>
+    <cmap_format_14 format="14" platformID="0" platEncID="5" length="0" numVarSelectorRecords="1">
+      <!-- Note that following hexcode is pseudo ttx source.
+           You may want to see hexdump of the unsorted_cmap14_default_uvs.ttf -->
+      <hexdata>
+        00 0e  <!-- format: 14 -->
+        00 00 00 21  <!-- length: 33 bytes -->
+        00 00 00 01  <!-- number of variation selectors -->
+
+        <!-- 1st variation selector record -->
+        00 fe 00  <!-- variation selector -->
+        00 00 00 15  <!-- the offset to the default UVS table -->
+        00 00 00 00  <!-- the offset to the non default UVS table (no table) -->
+
+        <!-- start of default UVS table -->
+        00 00 00 02  <!-- number of range record -->
+
+        <!-- Bad font: cmap entries must be sorted in ascending order. -->
+        00 04 00  <!-- Unicode code point. -->
+        00  <!-- number of additional following code points -->
+        00 01 00  <!-- Unicode code point. -->
+        00  <!-- number of additional following code points -->
+      </hexdata>
+    </cmap_format_14>
+  </cmap>
+
+  <loca>
+    <!-- The 'loca' table will be calculated by the compiler -->
+  </loca>
+
+  <glyf>
+    <TTGlyph name=".notdef" xMin="0" yMin="0" xMax="0" yMax="0" />
+  </glyf>
+
+  <name>
+    <namerecord nameID="0" platformID="3" platEncID="1" langID="0x409">
+      Copyright (C) 2017 The Android Open Source Project
+    </namerecord>
+    <namerecord nameID="1" platformID="3" platEncID="1" langID="0x409">
+      Broken Cmap Format14 Default UVS Table Font
+    </namerecord>
+    <namerecord nameID="2" platformID="3" platEncID="1" langID="0x409">
+      Regular
+    </namerecord>
+    <namerecord nameID="4" platformID="3" platEncID="1" langID="0x409">
+      Broken Cmap Format14 Default UVS Table Font
+    </namerecord>
+    <namerecord nameID="6" platformID="3" platEncID="1" langID="0x409">
+      BrokenCmapFormat14DefaultUVSTableFont-Regular
+    </namerecord>
+    <namerecord nameID="13" platformID="3" platEncID="1" langID="0x409">
+      Licensed under the Apache License, Version 2.0 (the "License");
+      you may not use this file except in compliance with the License.
+      Unless required by applicable law or agreed to in writing, software
+      distributed under the License is distributed on an "AS IS" BASIS
+      WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+      See the License for the specific language governing permissions and
+      limitations under the License.
+    </namerecord>
+    <namerecord nameID="14" platformID="3" platEncID="1" langID="0x409">
+      http://www.apache.org/licenses/LICENSE-2.0
+    </namerecord>
+  </name>
+
+  <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>
+
+</ttFont>
diff --git a/tests/tests/graphics/assets/unsorted_cmap14_non_default_uvs.ttf b/tests/tests/graphics/assets/unsorted_cmap14_non_default_uvs.ttf
new file mode 100644
index 0000000..92aadc2
--- /dev/null
+++ b/tests/tests/graphics/assets/unsorted_cmap14_non_default_uvs.ttf
Binary files differ
diff --git a/tests/tests/graphics/assets/unsorted_cmap14_non_default_uvs.ttx b/tests/tests/graphics/assets/unsorted_cmap14_non_default_uvs.ttx
new file mode 100644
index 0000000..0c0cb77
--- /dev/null
+++ b/tests/tests/graphics/assets/unsorted_cmap14_non_default_uvs.ttx
@@ -0,0 +1,200 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<!-- Copyright (C) 2017 The Android Open Source Project
+
+     Licensed under the Apache License, Version 2.0 (the "License");
+     you may not use this file except in compliance with the License.
+     You may obtain a copy of the License at
+
+          http://www.apache.org/licenses/LICENSE-2.0
+
+     Unless required by applicable law or agreed to in writing, software
+     distributed under the License is distributed on an "AS IS" BASIS
+     WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+     See the License for the specific language governing permissions and
+     limitations under the License.
+-->
+<ttFont sfntVersion="\x00\x01\x00\x00" ttLibVersion="3.0">
+
+  <GlyphOrder>
+    <GlyphID id="0" name=".notdef"/>
+    <GlyphID id="1" name="3em"/>
+  </GlyphOrder>
+
+  <head>
+    <tableVersion value="1.0"/>
+    <fontRevision value="1.0"/>
+    <checkSumAdjustment value="0x640cdb2f"/>
+    <magicNumber value="0x5f0f3cf5"/>
+    <flags value="00000000 00000011"/>
+    <unitsPerEm value="1000"/>
+    <created value="Fri Mar 17 07:26:00 2017"/>
+    <macStyle value="00000000 00000000"/>
+    <lowestRecPPEM value="7"/>
+    <fontDirectionHint value="2"/>
+    <glyphDataFormat value="0"/>
+  </head>
+
+  <hhea>
+    <tableVersion value="0x00010000"/>
+    <ascent value="1000"/>
+    <descent value="-200"/>
+    <lineGap value="0"/>
+    <caretSlopeRise value="1"/>
+    <caretSlopeRun value="0"/>
+    <caretOffset value="0"/>
+    <reserved0 value="0"/>
+    <reserved1 value="0"/>
+    <reserved2 value="0"/>
+    <reserved3 value="0"/>
+    <metricDataFormat value="0"/>
+  </hhea>
+
+  <maxp>
+    <tableVersion value="0x10000"/>
+    <maxZones value="0"/>
+    <maxTwilightPoints value="0"/>
+    <maxStorage value="0"/>
+    <maxFunctionDefs value="0"/>
+    <maxInstructionDefs value="0"/>
+    <maxStackElements value="0"/>
+    <maxSizeOfInstructions value="0"/>
+    <maxComponentElements value="0"/>
+  </maxp>
+
+  <OS_2>
+    <!-- The fields 'usFirstCharIndex' and 'usLastCharIndex'
+         will be recalculated by the compiler -->
+    <version value="3"/>
+    <xAvgCharWidth value="594"/>
+    <usWeightClass value="400"/>
+    <usWidthClass value="5"/>
+    <fsType value="00000000 00001000"/>
+    <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="5"/>
+      <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="UKWN"/>
+    <fsSelection value="00000000 01000000"/>
+    <usFirstCharIndex value="32"/>
+    <usLastCharIndex value="122"/>
+    <sTypoAscender value="800"/>
+    <sTypoDescender value="-200"/>
+    <sTypoLineGap value="200"/>
+    <usWinAscent value="1000"/>
+    <usWinDescent value="200"/>
+    <ulCodePageRange1 value="00000000 00000000 00000000 00000001"/>
+    <ulCodePageRange2 value="00000000 00000000 00000000 00000000"/>
+    <sxHeight value="500"/>
+    <sCapHeight value="700"/>
+    <usDefaultChar value="0"/>
+    <usBreakChar value="32"/>
+    <usMaxContext value="0"/>
+  </OS_2>
+
+  <hmtx>
+    <mtx name=".notdef" width="500" lsb="93"/>
+    <mtx name="3em" width="3000" lsb="93"/>
+  </hmtx>
+
+  <cmap>
+    <tableVersion version="0"/>
+    <cmap_format_14 format="14" platformID="0" platEncID="5" length="0" numVarSelectorRecords="1">
+      <!-- Note that following hexcode is pseudo ttx source.
+           You may want to see hexdump of the unsorted_cmap14_non_default_uvs.ttf -->
+      <hexdata>
+        00 0e <!-- format: 14 -->
+        00 00 00 23  <!-- length: 35 bytes -->
+        00 00 00 01  <!-- number of variation selectors -->
+
+        <!-- 1st variation selector record -->
+        00 fe 00  <!-- variation selector -->
+        00 00 00 00  <!-- the offset to the default UVS table (no table) -->
+        00 00 00 15  <!-- the offset to the non default UVS table -->
+
+        <!-- start of default UVS table -->
+        00 00 00 02  <!-- number of mapping record -->
+
+        <!-- Bad font: cmap entries must be sorted in ascending order. -->
+        00 04 00  <!-- Unicode code point. -->
+        00 01  <!-- glyph ID -->
+        00 01 00  <!-- Unicode code point. -->
+        00 01  <!-- glyph ID -->
+      </hexdata>
+    </cmap_format_14>
+  </cmap>
+
+  <loca>
+    <!-- The 'loca' table will be calculated by the compiler -->
+  </loca>
+
+  <glyf>
+    <TTGlyph name=".notdef" xMin="0" yMin="0" xMax="0" yMax="0" />
+    <TTGlyph name="3em" xMin="0" yMin="0" xMax="0" yMax="0" />
+  </glyf>
+
+  <name>
+    <namerecord nameID="0" platformID="3" platEncID="1" langID="0x409">
+      Copyright (C) 2017 The Android Open Source Project
+    </namerecord>
+    <namerecord nameID="1" platformID="3" platEncID="1" langID="0x409">
+      Broken Cmap Format14 Non-Default UVS Table Font
+    </namerecord>
+    <namerecord nameID="2" platformID="3" platEncID="1" langID="0x409">
+      Regular
+    </namerecord>
+    <namerecord nameID="4" platformID="3" platEncID="1" langID="0x409">
+      Broken Cmap Format14 Non-Default UVS Table Font
+    </namerecord>
+    <namerecord nameID="6" platformID="3" platEncID="1" langID="0x409">
+      BrokenCmapFormat14NonDefaultUVSTableFont-Regular
+    </namerecord>
+    <namerecord nameID="13" platformID="3" platEncID="1" langID="0x409">
+      Licensed under the Apache License, Version 2.0 (the "License");
+      you may not use this file except in compliance with the License.
+      Unless required by applicable law or agreed to in writing, software
+      distributed under the License is distributed on an "AS IS" BASIS
+      WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+      See the License for the specific language governing permissions and
+      limitations under the License.
+    </namerecord>
+    <namerecord nameID="14" platformID="3" platEncID="1" langID="0x409">
+      http://www.apache.org/licenses/LICENSE-2.0
+    </namerecord>
+  </name>
+
+  <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>
+
+</ttFont>
diff --git a/tests/tests/graphics/assets/unsorted_cmap4.ttf b/tests/tests/graphics/assets/unsorted_cmap4.ttf
new file mode 100644
index 0000000..8ceeb4e
--- /dev/null
+++ b/tests/tests/graphics/assets/unsorted_cmap4.ttf
Binary files differ
diff --git a/tests/tests/graphics/assets/unsorted_cmap4.ttx b/tests/tests/graphics/assets/unsorted_cmap4.ttx
new file mode 100644
index 0000000..8b16955
--- /dev/null
+++ b/tests/tests/graphics/assets/unsorted_cmap4.ttx
@@ -0,0 +1,197 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<!-- Copyright (C) 2017 The Android Open Source Project
+
+     Licensed under the Apache License, Version 2.0 (the "License");
+     you may not use this file except in compliance with the License.
+     You may obtain a copy of the License at
+
+          http://www.apache.org/licenses/LICENSE-2.0
+
+     Unless required by applicable law or agreed to in writing, software
+     distributed under the License is distributed on an "AS IS" BASIS
+     WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+     See the License for the specific language governing permissions and
+     limitations under the License.
+-->
+<ttFont sfntVersion="\x00\x01\x00\x00" ttLibVersion="3.0">
+
+  <GlyphOrder>
+    <GlyphID id="0" name=".notdef"/>
+    <GlyphID id="1" name="3em"/>
+  </GlyphOrder>
+
+  <head>
+    <tableVersion value="1.0"/>
+    <fontRevision value="1.0"/>
+    <checkSumAdjustment value="0x640cdb2f"/>
+    <magicNumber value="0x5f0f3cf5"/>
+    <flags value="00000000 00000011"/>
+    <unitsPerEm value="1000"/>
+    <created value="Fri Mar 17 07:26:00 2017"/>
+    <macStyle value="00000000 00000000"/>
+    <lowestRecPPEM value="7"/>
+    <fontDirectionHint value="2"/>
+    <glyphDataFormat value="0"/>
+  </head>
+
+  <hhea>
+    <tableVersion value="0x00010000"/>
+    <ascent value="1000"/>
+    <descent value="-200"/>
+    <lineGap value="0"/>
+    <caretSlopeRise value="1"/>
+    <caretSlopeRun value="0"/>
+    <caretOffset value="0"/>
+    <reserved0 value="0"/>
+    <reserved1 value="0"/>
+    <reserved2 value="0"/>
+    <reserved3 value="0"/>
+    <metricDataFormat value="0"/>
+  </hhea>
+
+  <maxp>
+    <tableVersion value="0x10000"/>
+    <maxZones value="0"/>
+    <maxTwilightPoints value="0"/>
+    <maxStorage value="0"/>
+    <maxFunctionDefs value="0"/>
+    <maxInstructionDefs value="0"/>
+    <maxStackElements value="0"/>
+    <maxSizeOfInstructions value="0"/>
+    <maxComponentElements value="0"/>
+  </maxp>
+
+  <OS_2>
+    <!-- The fields 'usFirstCharIndex' and 'usLastCharIndex'
+         will be recalculated by the compiler -->
+    <version value="3"/>
+    <xAvgCharWidth value="594"/>
+    <usWeightClass value="400"/>
+    <usWidthClass value="5"/>
+    <fsType value="00000000 00001000"/>
+    <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="5"/>
+      <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="UKWN"/>
+    <fsSelection value="00000000 01000000"/>
+    <usFirstCharIndex value="32"/>
+    <usLastCharIndex value="122"/>
+    <sTypoAscender value="800"/>
+    <sTypoDescender value="-200"/>
+    <sTypoLineGap value="200"/>
+    <usWinAscent value="1000"/>
+    <usWinDescent value="200"/>
+    <ulCodePageRange1 value="00000000 00000000 00000000 00000001"/>
+    <ulCodePageRange2 value="00000000 00000000 00000000 00000000"/>
+    <sxHeight value="500"/>
+    <sCapHeight value="700"/>
+    <usDefaultChar value="0"/>
+    <usBreakChar value="32"/>
+    <usMaxContext value="0"/>
+  </OS_2>
+
+  <hmtx>
+    <mtx name=".notdef" width="500" lsb="93"/>
+    <mtx name="3em" width="3000" lsb="93"/>
+  </hmtx>
+
+  <cmap>
+    <tableVersion version="0"/>
+    <cmap_format_4 platformID="3" platEncID="10" language="0">
+      <!-- Note that following hexcode is pseudo ttx source.
+           You may want to see hexdump of the unsorted_cmap4.ttf -->
+      <hexdata>
+        00 04  <!-- format: 4 -->
+        00 28  <!-- length: 40 bytes -->
+        00 00  <!-- language -->
+        00 06  <!-- segment count -->
+        00 04  <!-- search range -->
+        00 01  <!-- entry selector -->
+        00 02  <!-- range shift -->
+
+        <!-- Bad font: cmap entries must be sorted in ascending order. -->
+        04 00 01 00 ff ff  <!-- end code points -->
+        00 00  <!-- reserved -->
+        04 00 01 00 ff ff  <!-- start code points -->
+        ff 01 fc 01 00 01  <!-- delta to glyph ID -->
+        00 00 00 00 00 00  <!-- glyph ID range offset -->
+      </hexdata>
+    </cmap_format_4>
+  </cmap>
+
+  <loca>
+    <!-- The 'loca' table will be calculated by the compiler -->
+  </loca>
+
+  <glyf>
+    <TTGlyph name=".notdef" xMin="0" yMin="0" xMax="0" yMax="0" />
+    <TTGlyph name="3em" xMin="0" yMin="0" xMax="0" yMax="0" />
+  </glyf>
+
+  <name>
+    <namerecord nameID="0" platformID="3" platEncID="1" langID="0x409">
+      Copyright (C) 2017 The Android Open Source Project
+    </namerecord>
+    <namerecord nameID="1" platformID="3" platEncID="1" langID="0x409">
+      Broken Cmap Format4 Font
+    </namerecord>
+    <namerecord nameID="2" platformID="3" platEncID="1" langID="0x409">
+      Regular
+    </namerecord>
+    <namerecord nameID="4" platformID="3" platEncID="1" langID="0x409">
+      Broken Cmap Format4 Font
+    </namerecord>
+    <namerecord nameID="6" platformID="3" platEncID="1" langID="0x409">
+      BrokenCmapFormat4Font-Regular
+    </namerecord>
+    <namerecord nameID="13" platformID="3" platEncID="1" langID="0x409">
+      Licensed under the Apache License, Version 2.0 (the "License");
+      you may not use this file except in compliance with the License.
+      Unless required by applicable law or agreed to in writing, software
+      distributed under the License is distributed on an "AS IS" BASIS
+      WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+      See the License for the specific language governing permissions and
+      limitations under the License.
+    </namerecord>
+    <namerecord nameID="14" platformID="3" platEncID="1" langID="0x409">
+      http://www.apache.org/licenses/LICENSE-2.0
+    </namerecord>
+  </name>
+
+  <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>
+
+</ttFont>
diff --git a/tests/tests/graphics/src/android/graphics/cts/TypefaceTest.java b/tests/tests/graphics/src/android/graphics/cts/TypefaceTest.java
index 66b55f2..ba90c0f 100644
--- a/tests/tests/graphics/src/android/graphics/cts/TypefaceTest.java
+++ b/tests/tests/graphics/src/android/graphics/cts/TypefaceTest.java
@@ -252,6 +252,40 @@
     }
 
     @Test
+    public void testInvalidCmapFont_unsortedEntries() {
+        // Following two font files have glyph for U+0400 and U+0100 but the fonts must not be used
+        // due to invalid cmap data. For more details, see each ttx source file.
+        final String[] INVALID_CMAP_FONTS = { "unsorted_cmap4.ttf", "unsorted_cmap12.ttf" };
+        for (final String file : INVALID_CMAP_FONTS) {
+            final Typeface typeface = Typeface.createFromAsset(mContext.getAssets(), file);
+            assertNotNull(typeface);
+            final Paint p = new Paint();
+            final String testString = "\u0100\u0400";
+            final float widthDefaultTypeface = p.measureText(testString);
+            p.setTypeface(typeface);
+            final float widthCustomTypeface = p.measureText(testString);
+            assertEquals(widthDefaultTypeface, widthCustomTypeface, 0.0f);
+        }
+
+        // Following two font files have glyph for U+0400 U+FE00 and U+0100 U+FE00 but the fonts
+        // must not be used due to invalid cmap data. For more details, see each ttx source file.
+        final String[] INVALID_CMAP_VS_FONTS = {
+            "unsorted_cmap14_default_uvs.ttf",
+            "unsorted_cmap14_non_default_uvs.ttf"
+        };
+        for (final String file : INVALID_CMAP_VS_FONTS) {
+            final Typeface typeface = Typeface.createFromAsset(mContext.getAssets(), file);
+            assertNotNull(typeface);
+            final Paint p = new Paint();
+            final String testString = "\u0100\uFE00\u0400\uFE00";
+            final float widthDefaultTypeface = p.measureText(testString);
+            p.setTypeface(typeface);
+            final float widthCustomTypeface = p.measureText(testString);
+            assertEquals(widthDefaultTypeface, widthCustomTypeface, 0.0f);
+        }
+    }
+
+    @Test
     public void testCreateFromAsset_cachesTypeface() {
         Typeface typeface1 = Typeface.createFromAsset(mContext.getAssets(), "bombfont2.ttf");
         assertNotNull(typeface1);