Merge "Make Paint.hasGlyph variation selector aware."
diff --git a/core/jni/android/graphics/MinikinUtils.cpp b/core/jni/android/graphics/MinikinUtils.cpp
index 7fd288a..9b774b3 100644
--- a/core/jni/android/graphics/MinikinUtils.cpp
+++ b/core/jni/android/graphics/MinikinUtils.cpp
@@ -63,6 +63,11 @@
     layout->doLayout(buf, start, count, bufSize, bidiFlags, minikinStyle, minikinPaint);
 }
 
+bool MinikinUtils::hasVariationSelector(TypefaceImpl* typeface, uint32_t codepoint, uint32_t vs) {
+    const TypefaceImpl* resolvedFace = TypefaceImpl_resolveDefault(typeface);
+    return resolvedFace->fFontCollection->hasVariationSelector(codepoint, vs);
+}
+
 float MinikinUtils::xOffsetForTextAlign(Paint* paint, const Layout& layout) {
     switch (paint->getTextAlign()) {
         case Paint::kCenter_Align:
diff --git a/core/jni/android/graphics/MinikinUtils.h b/core/jni/android/graphics/MinikinUtils.h
index 1ee6245..5bf1eec 100644
--- a/core/jni/android/graphics/MinikinUtils.h
+++ b/core/jni/android/graphics/MinikinUtils.h
@@ -40,6 +40,8 @@
             TypefaceImpl* typeface, const uint16_t* buf, size_t start, size_t count,
             size_t bufSize);
 
+    static bool hasVariationSelector(TypefaceImpl* typeface, uint32_t codepoint, uint32_t vs);
+
     static float xOffsetForTextAlign(Paint* paint, const Layout& layout);
 
     static float hOffsetForTextAlign(Paint* paint, const Layout& layout, const SkPath& path);
diff --git a/core/jni/android/graphics/Paint.cpp b/core/jni/android/graphics/Paint.cpp
index b50046f..9c11dd1 100644
--- a/core/jni/android/graphics/Paint.cpp
+++ b/core/jni/android/graphics/Paint.cpp
@@ -39,6 +39,7 @@
 
 #include <minikin/GraphemeBreak.h>
 #include <minikin/Measurement.h>
+#include <unicode/utf16.h>
 #include "MinikinSkia.h"
 #include "MinikinUtils.h"
 #include "Paint.h"
@@ -852,45 +853,44 @@
         return false;
     }
 
-    static jboolean hasGlyphVariation(const Paint* paint, TypefaceImpl* typeface, jint bidiFlags,
-            const jchar* chars, size_t size) {
-        // TODO: query font for whether character has variation selector; requires a corresponding
-        // function in Minikin.
-        return false;
-    }
-
     static jboolean hasGlyph(JNIEnv *env, jclass, jlong paintHandle, jlong typefaceHandle,
             jint bidiFlags, jstring string) {
         const Paint* paint = reinterpret_cast<Paint*>(paintHandle);
         TypefaceImpl* typeface = reinterpret_cast<TypefaceImpl*>(typefaceHandle);
         ScopedStringChars str(env, string);
 
-        /* start by rejecting variation selectors (not supported yet) */
+        /* Start by rejecting unsupported base code point and variation selector pairs. */
         size_t nChars = 0;
+        const uint32_t kStartOfString = 0xFFFFFFFF;
+        uint32_t prevCp = kStartOfString;
         for (size_t i = 0; i < str.size(); i++) {
-            jchar c = str[i];
-            if (0xDC00 <= c && c <= 0xDFFF) {
+            jchar cu = str[i];
+            uint32_t cp = cu;
+            if (U16_IS_TRAIL(cu)) {
                 // invalid UTF-16, unpaired trailing surrogate
                 return false;
-            } else if (0xD800 <= c && c <= 0xDBFF) {
+            } else if (U16_IS_LEAD(cu)) {
                 if (i + 1 == str.size()) {
                     // invalid UTF-16, unpaired leading surrogate at end of string
                     return false;
                 }
                 i++;
-                jchar c2 = str[i];
-                if (!(0xDC00 <= c2 && c2 <= 0xDFFF)) {
+                jchar cu2 = str[i];
+                if (!U16_IS_TRAIL(cu2)) {
                     // invalid UTF-16, unpaired leading surrogate
                     return false;
                 }
-                // UTF-16 encoding of range U+E0100..U+E01EF is DB40 DD00 .. DB40 DDEF
-                if (c == 0xDB40 && 0xDD00 <= c2 && c2 <= 0xDDEF) {
-                    return hasGlyphVariation(paint, typeface, bidiFlags, str.get(), str.size());
-                }
-            } else if (0xFE00 <= c && c <= 0xFE0F) {
-                return hasGlyphVariation(paint, typeface, bidiFlags, str.get(), str.size());
+                cp = U16_GET_SUPPLEMENTARY(cu, cu2);
+            }
+
+            if (prevCp != kStartOfString &&
+                ((0xFE00 <= cp && cp <= 0xFE0F) || (0xE0100 <= cp && cp <= 0xE01EF)) &&
+                !MinikinUtils::hasVariationSelector(typeface, prevCp, cp)) {
+                // No font has a glyph for the code point and variation selector pair.
+                return false;
             }
             nChars++;
+            prevCp = cp;
         }
         Layout layout;
         MinikinUtils::doLayout(&layout, paint, bidiFlags, typeface, str.get(), 0, str.size(),
diff --git a/core/tests/coretests/assets/fonts/hasGlyphTestFont.ttf b/core/tests/coretests/assets/fonts/hasGlyphTestFont.ttf
new file mode 100644
index 0000000..add3f40
--- /dev/null
+++ b/core/tests/coretests/assets/fonts/hasGlyphTestFont.ttf
Binary files differ
diff --git a/core/tests/coretests/assets/fonts/hasGlyphTestFont.ttx b/core/tests/coretests/assets/fonts/hasGlyphTestFont.ttx
new file mode 100644
index 0000000..7038f46
--- /dev/null
+++ b/core/tests/coretests/assets/fonts/hasGlyphTestFont.ttx
@@ -0,0 +1,365 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<!-- Copyright (C) 2015 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>
+    <!-- The 'id' attribute is only for humans; it is ignored when parsed. -->
+    <GlyphID id="0" name=".notdef"/>
+    <GlyphID id="1" name="BaseChar1"/>
+    <GlyphID id="2" name="BaseChar1_VS1"/>
+    <GlyphID id="3" name="BaseChar1_VS17"/>
+    <GlyphID id="4" name="BaseChar1_VS18"/>
+    <GlyphID id="5" name="BaseChar2"/>
+    <GlyphID id="6" name="BaseChar2_VS2"/>
+    <GlyphID id="7" name="BaseChar2_VS18"/>
+    <GlyphID id="8" name="BaseChar2_VS19"/>
+    <GlyphID id="9" name="BaseChar3"/>
+    <GlyphID id="10" name="BaseChar4_VS3"/>
+    <GlyphID id="11" name="BaseChar4_VS19"/>
+    <GlyphID id="12" name="BaseChar4_VS20"/>
+    <GlyphID id="13" name="BaseChar5"/>
+    <GlyphID id="14" name="BaseChar5_VS1"/>
+    <GlyphID id="15" name="BaseChar5_VS17"/>
+    <GlyphID id="16" name="BaseChar5_VS18"/>
+    <GlyphID id="17" name="BaseChar6"/>
+    <GlyphID id="18" name="BaseChar6_VS2"/>
+    <GlyphID id="19" name="BaseChar6_VS18"/>
+    <GlyphID id="20" name="BaseChar6_VS19"/>
+    <GlyphID id="21" name="BaseChar7"/>
+    <GlyphID id="22" name="BaseChar8_VS3"/>
+    <GlyphID id="23" name="BaseChar8_VS19"/>
+    <GlyphID id="24" name="BaseChar8_VS20"/>
+  </GlyphOrder>
+
+  <head>
+    <!-- Most of this table will be recalculated by the compiler -->
+    <tableVersion value="1.0"/>
+    <fontRevision value="1.0"/>
+    <checkSumAdjustment value="0x640cdb2f"/>
+    <magicNumber value="0x5f0f3cf5"/>
+    <flags value="00000000 00000011"/>
+    <unitsPerEm value="1000"/>
+    <created value="Wed Sep  9 08:01:17 2015"/>
+    <modified value="Wed Sep  9 08:48:07 2015"/>
+    <xMin value="30"/>
+    <yMin value="-200"/>
+    <xMax value="629"/>
+    <yMax value="800"/>
+    <macStyle value="00000000 00000000"/>
+    <lowestRecPPEM value="7"/>
+    <fontDirectionHint value="2"/>
+    <indexToLocFormat value="0"/>
+    <glyphDataFormat value="0"/>
+  </head>
+
+  <hhea>
+    <tableVersion value="1.0"/>
+    <ascent value="1000"/>
+    <descent value="-200"/>
+    <lineGap value="0"/>
+    <advanceWidthMax value="659"/>
+    <minLeftSideBearing value="0"/>
+    <minRightSideBearing value="30"/>
+    <xMaxExtent value="629"/>
+    <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="18"/>
+  </hhea>
+
+  <maxp>
+    <!-- Most of this table will be recalculated by the compiler -->
+    <tableVersion value="0x10000"/>
+    <numGlyphs value="54"/>
+    <maxPoints value="73"/>
+    <maxContours value="10"/>
+    <maxCompositePoints value="0"/>
+    <maxCompositeContours value="0"/>
+    <maxZones value="2"/>
+    <maxTwilightPoints value="12"/>
+    <maxStorage value="28"/>
+    <maxFunctionDefs value="119"/>
+    <maxInstructionDefs value="0"/>
+    <maxStackElements value="61"/>
+    <maxSizeOfInstructions value="2967"/>
+    <maxComponentElements value="0"/>
+    <maxComponentDepth 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="BaseChar1" width="500" lsb="93"/>
+    <mtx name="BaseChar1_VS1" width="500" lsb="93"/>
+    <mtx name="BaseChar1_VS17" width="500" lsb="93"/>
+    <mtx name="BaseChar1_VS18" width="500" lsb="93"/>
+    <mtx name="BaseChar2" width="500" lsb="93"/>
+    <mtx name="BaseChar2_VS2" width="500" lsb="93"/>
+    <mtx name="BaseChar2_VS18" width="500" lsb="93"/>
+    <mtx name="BaseChar2_VS19" width="500" lsb="93"/>
+    <mtx name="BaseChar3" width="500" lsb="93"/>
+    <mtx name="BaseChar4_VS3" width="500" lsb="93"/>
+    <mtx name="BaseChar4_VS19" width="500" lsb="93"/>
+    <mtx name="BaseChar4_VS20" width="500" lsb="93"/>
+    <mtx name="BaseChar5" width="500" lsb="93"/>
+    <mtx name="BaseChar5_VS1" width="500" lsb="93"/>
+    <mtx name="BaseChar5_VS17" width="500" lsb="93"/>
+    <mtx name="BaseChar5_VS18" width="500" lsb="93"/>
+    <mtx name="BaseChar6" width="500" lsb="93"/>
+    <mtx name="BaseChar6_VS2" width="500" lsb="93"/>
+    <mtx name="BaseChar6_VS18" width="500" lsb="93"/>
+    <mtx name="BaseChar6_VS19" width="500" lsb="93"/>
+    <mtx name="BaseChar7" width="500" lsb="93"/>
+    <mtx name="BaseChar8_VS3" width="500" lsb="93"/>
+    <mtx name="BaseChar8_VS19" width="500" lsb="93"/>
+    <mtx name="BaseChar8_VS20" width="500" lsb="93"/>
+  </hmtx>
+
+  <cmap>
+    <tableVersion version="0"/>
+    <cmap_format_12 format="12" reserved="0" length="6" nGroups="1" platformID="3" platEncID="10" language="0">
+      <map code="0x0061" name="BaseChar1" />
+      <map code="0x0062" name="BaseChar2" />
+      <map code="0x0063" name="BaseChar3" />
+      <!-- No cmap4 entry for BaseChar4 -->
+      <map code="0x1F000" name="BaseChar5" />
+      <map code="0x1F001" name="BaseChar6" />
+      <map code="0x1F002" name="BaseChar7" />
+      <!-- No cmap4 entry for BaseChar8 -->
+    </cmap_format_12>
+    <cmap_format_14 format="14" platformID="0" platEncID="5" length="24" numVarSelectorRecords="3">
+      <map uvs="0xFE00" uv="0x0061" name="BaseChar1_VS1" />
+      <map uvs="0xE0100" uv="0x0061" name="BaseChar1_VS17" />
+      <map uvs="0xE0101" uv="0x0061" name="BaseChar1_VS18" />
+      <map uvs="0xE0102" uv="0x0061" name="None" />
+
+      <map uvs="0xFE01" uv="0x0062" name="BaseChar2_VS2" />
+      <map uvs="0xE0101" uv="0x0062" name="BaseChar2_VS18" />
+      <map uvs="0xE0102" uv="0x0062" name="BaseChar2_VS19" />
+      <map uvs="0xE0103" uv="0x0062" name="None" />
+
+      <map uvs="0xFE02" uv="0x0064" name="BaseChar4_VS3" />
+      <map uvs="0xE0102" uv="0x0064" name="BaseChar4_VS19" />
+      <map uvs="0xE0103" uv="0x0064" name="BaseChar4_VS20" />
+      <!-- There is no default glyph for U+0064 U+E0104 but there is a entry for
+           default UVS entry.  hasGlyph should return false in this
+           case.  -->
+      <map uvs="0xE0104" uv="0x0064" name="None" />
+
+      <map uvs="0xFE00" uv="0x1F000" name="BaseChar5_VS1" />
+      <map uvs="0xE0100" uv="0x1F000" name="BaseChar5_VS17" />
+      <map uvs="0xE0101" uv="0x1F000" name="BaseChar5_VS18" />
+      <map uvs="0xE0102" uv="0x1F000" name="None" />
+
+      <map uvs="0xFE01" uv="0x1F001" name="BaseChar6_VS2" />
+      <map uvs="0xE0101" uv="0x1F001" name="BaseChar6_VS18" />
+      <map uvs="0xE0102" uv="0x1F001" name="BaseChar6_VS19" />
+      <map uvs="0xE0103" uv="0x1F001" name="None" />
+
+      <map uvs="0xFE02" uv="0x1F003" name="BaseChar8_VS3" />
+      <map uvs="0xE0102" uv="0x1F003" name="BaseChar8_VS19" />
+      <map uvs="0xE0103" uv="0x1F003" name="BaseChar8_VS20" />
+      <!-- There is no default glyph for U+1F003 U+E0104 but there is a entry for
+           default UVS entry.  hasGlyph should return false in this
+           case.  -->
+      <map uvs="0xE0104" uv="0x1F003" name="None" />
+    </cmap_format_14>
+  </cmap>
+
+  <loca>
+    <!-- The 'loca' table will be calculated by the compiler -->
+  </loca>
+
+  <glyf>
+
+    <!-- The xMin, yMin, xMax and yMax values
+         will be recalculated by the compiler. -->
+
+    <TTGlyph name=".notdef" xMin="0" yMin="0" xMax="0" yMax="0">
+      <contour></contour><instructions><assembly></assembly></instructions>
+    </TTGlyph>
+
+    <TTGlyph name="BaseChar1" xMin="0" yMin="0" xMax="0" yMax="0">
+      <contour></contour><instructions><assembly></assembly></instructions>
+    </TTGlyph>
+    <TTGlyph name="BaseChar1_VS1" xMin="0" yMin="0" xMax="0" yMax="0">
+      <contour></contour><instructions><assembly></assembly></instructions>
+    </TTGlyph>
+    <TTGlyph name="BaseChar1_VS17" xMin="0" yMin="0" xMax="0" yMax="0">
+      <contour></contour><instructions><assembly></assembly></instructions>
+    </TTGlyph>
+    <TTGlyph name="BaseChar1_VS18" xMin="0" yMin="0" xMax="0" yMax="0">
+      <contour></contour><instructions><assembly></assembly></instructions>
+    </TTGlyph>
+    <TTGlyph name="BaseChar2" xMin="0" yMin="0" xMax="0" yMax="0">
+      <contour></contour><instructions><assembly></assembly></instructions>
+    </TTGlyph>
+    <TTGlyph name="BaseChar2_VS2" xMin="0" yMin="0" xMax="0" yMax="0">
+      <contour></contour><instructions><assembly></assembly></instructions>
+    </TTGlyph>
+    <TTGlyph name="BaseChar2_VS18" xMin="0" yMin="0" xMax="0" yMax="0">
+      <contour></contour><instructions><assembly></assembly></instructions>
+    </TTGlyph>
+    <TTGlyph name="BaseChar2_VS19" xMin="0" yMin="0" xMax="0" yMax="0">
+      <contour></contour><instructions><assembly></assembly></instructions>
+    </TTGlyph>
+    <TTGlyph name="BaseChar3" xMin="0" yMin="0" xMax="0" yMax="0">
+      <contour></contour><instructions><assembly></assembly></instructions>
+    </TTGlyph>
+    <TTGlyph name="BaseChar4_VS3" xMin="0" yMin="0" xMax="0" yMax="0">
+      <contour></contour><instructions><assembly></assembly></instructions>
+    </TTGlyph>
+    <TTGlyph name="BaseChar4_VS19" xMin="0" yMin="0" xMax="0" yMax="0">
+      <contour></contour><instructions><assembly></assembly></instructions>
+    </TTGlyph>
+    <TTGlyph name="BaseChar4_VS20" xMin="0" yMin="0" xMax="0" yMax="0">
+      <contour></contour><instructions><assembly></assembly></instructions>
+    </TTGlyph>
+    <TTGlyph name="BaseChar5" xMin="0" yMin="0" xMax="0" yMax="0">
+      <contour></contour><instructions><assembly></assembly></instructions>
+    </TTGlyph>
+    <TTGlyph name="BaseChar5_VS1" xMin="0" yMin="0" xMax="0" yMax="0">
+      <contour></contour><instructions><assembly></assembly></instructions>
+    </TTGlyph>
+    <TTGlyph name="BaseChar5_VS17" xMin="0" yMin="0" xMax="0" yMax="0">
+      <contour></contour><instructions><assembly></assembly></instructions>
+    </TTGlyph>
+    <TTGlyph name="BaseChar5_VS18" xMin="0" yMin="0" xMax="0" yMax="0">
+      <contour></contour><instructions><assembly></assembly></instructions>
+    </TTGlyph>
+    <TTGlyph name="BaseChar6" xMin="0" yMin="0" xMax="0" yMax="0">
+      <contour></contour><instructions><assembly></assembly></instructions>
+    </TTGlyph>
+    <TTGlyph name="BaseChar6_VS2" xMin="0" yMin="0" xMax="0" yMax="0">
+      <contour></contour><instructions><assembly></assembly></instructions>
+    </TTGlyph>
+    <TTGlyph name="BaseChar6_VS18" xMin="0" yMin="0" xMax="0" yMax="0">
+      <contour></contour><instructions><assembly></assembly></instructions>
+    </TTGlyph>
+    <TTGlyph name="BaseChar6_VS19" xMin="0" yMin="0" xMax="0" yMax="0">
+      <contour></contour><instructions><assembly></assembly></instructions>
+    </TTGlyph>
+    <TTGlyph name="BaseChar7" xMin="0" yMin="0" xMax="0" yMax="0">
+      <contour></contour><instructions><assembly></assembly></instructions>
+    </TTGlyph>
+    <TTGlyph name="BaseChar8_VS3" xMin="0" yMin="0" xMax="0" yMax="0">
+      <contour></contour><instructions><assembly></assembly></instructions>
+    </TTGlyph>
+    <TTGlyph name="BaseChar8_VS19" xMin="0" yMin="0" xMax="0" yMax="0">
+      <contour></contour><instructions><assembly></assembly></instructions>
+    </TTGlyph>
+    <TTGlyph name="BaseChar8_VS20" xMin="0" yMin="0" xMax="0" yMax="0">
+      <contour></contour><instructions><assembly></assembly></instructions>
+    </TTGlyph>
+  </glyf>
+
+  <name>
+    <namerecord nameID="1" platformID="1" platEncID="0" langID="0x0" unicode="True">
+      Paint.hasGlyph Test
+    </namerecord>
+    <namerecord nameID="2" platformID="1" platEncID="0" langID="0x0" unicode="True">
+      Regular
+    </namerecord>
+    <namerecord nameID="4" platformID="1" platEncID="0" langID="0x0" unicode="True">
+      Paint.hasGlyph Test
+    </namerecord>
+    <namerecord nameID="6" platformID="1" platEncID="0" langID="0x0" unicode="True">
+      hasGlyphTestFont-Regular
+    </namerecord>
+    <namerecord nameID="1" platformID="3" platEncID="1" langID="0x409">
+      Paint.hasGlyph Test
+    </namerecord>
+    <namerecord nameID="2" platformID="3" platEncID="1" langID="0x409">
+      Regular
+    </namerecord>
+    <namerecord nameID="4" platformID="3" platEncID="1" langID="0x409">
+      hasGlyphTestFont Test
+    </namerecord>
+    <namerecord nameID="6" platformID="3" platEncID="1" langID="0x409">
+      hasGlyphTestFont-Regular
+    </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/core/tests/coretests/src/android/graphics/PaintTest.java b/core/tests/coretests/src/android/graphics/PaintTest.java
index e97bb33..2a3d463 100644
--- a/core/tests/coretests/src/android/graphics/PaintTest.java
+++ b/core/tests/coretests/src/android/graphics/PaintTest.java
@@ -20,6 +20,9 @@
 import android.test.InstrumentationTestCase;
 import android.test.suitebuilder.annotation.SmallTest;
 
+import java.util.Arrays;
+import java.util.HashSet;
+
 /**
  * PaintTest tests {@link Paint}.
  */
@@ -94,4 +97,63 @@
                     testCase.mWidthWithHinting, widths);
         }
     }
+
+    private static class HasGlyphTestCase {
+        public final int mBaseCodepoint;
+        public final HashSet<Integer> mVariationSelectors;
+
+        public HasGlyphTestCase(int baseCodepoint, Integer[] variationSelectors) {
+            mBaseCodepoint = baseCodepoint;
+            mVariationSelectors = new HashSet<>(Arrays.asList(variationSelectors));
+        }
+    }
+
+    private static String codePointsToString(int[] codepoints) {
+        StringBuilder sb = new StringBuilder();
+        for (int codepoint : codepoints) {
+            sb.append(Character.toChars(codepoint));
+        }
+        return sb.toString();
+    }
+
+    public void testHasGlyph_variationSelectors() {
+        final Typeface fontTypeface = Typeface.createFromAsset(
+                getInstrumentation().getContext().getAssets(), "fonts/hasGlyphTestFont.ttf");
+        Paint p = new Paint();
+        p.setTypeface(fontTypeface);
+
+        // Usually latin letters U+0061..U+0064 and Mahjong Tiles U+1F000..U+1F003 don't have
+        // variation selectors.  This test may fail if system pre-installed fonts have a variation
+        // selector support for U+0061..U+0064 and U+1F000..U+1F003.
+        HasGlyphTestCase[] HAS_GLYPH_TEST_CASES = {
+            new HasGlyphTestCase(0x0061, new Integer[] {0xFE00, 0xE0100, 0xE0101, 0xE0102}),
+            new HasGlyphTestCase(0x0062, new Integer[] {0xFE01, 0xE0101, 0xE0102, 0xE0103}),
+            new HasGlyphTestCase(0x0063, new Integer[] {}),
+            new HasGlyphTestCase(0x0064, new Integer[] {0xFE02, 0xE0102, 0xE0103}),
+
+            new HasGlyphTestCase(0x1F000, new Integer[] {0xFE00, 0xE0100, 0xE0101, 0xE0102}),
+            new HasGlyphTestCase(0x1F001, new Integer[] {0xFE01, 0xE0101, 0xE0102, 0xE0103}),
+            new HasGlyphTestCase(0x1F002, new Integer[] {}),
+            new HasGlyphTestCase(0x1F003, new Integer[] {0xFE02, 0xE0102, 0xE0103}),
+        };
+
+        for (HasGlyphTestCase testCase : HAS_GLYPH_TEST_CASES) {
+            for (int vs = 0xFE00; vs <= 0xE01EF; ++vs) {
+                // Move to variation selector supplements after variation selectors.
+                if (vs == 0xFF00) {
+                    vs = 0xE0100;
+                }
+                final String signature =
+                        "hasGlyph(U+" + Integer.toHexString(testCase.mBaseCodepoint) +
+                        " U+" + Integer.toHexString(vs) + ")";
+                final String testString =
+                        codePointsToString(new int[] {testCase.mBaseCodepoint, vs});
+                if (testCase.mVariationSelectors.contains(vs)) {
+                    assertTrue(signature + " is expected to be true", p.hasGlyph(testString));
+                } else {
+                    assertFalse(signature + " is expected to be false", p.hasGlyph(testString));
+                }
+            }
+        }
+    }
 }