Introduce several test cases to TextAppearanceTest for font resources.

Bug: 62850669
Test: bit CtsTextTestCases:android.text.style.cts.TextAppearanceSpanTest
Change-Id: Ie92674853149c9165368fbfa45a3d61f7efccfda
(cherry picked from commit 698487ef9f041c0dca21601d48b69d891a1e1eaf)
diff --git a/tests/tests/text/assets/fonts/samplefont.ttx b/tests/tests/text/assets/fonts/samplefont.ttx
new file mode 100644
index 0000000..ba43639
--- /dev/null
+++ b/tests/tests/text/assets/fonts/samplefont.ttx
@@ -0,0 +1,180 @@
+<?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="a"/>
+  </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="1.0"/>
+    <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="a" width="3000" lsb="93"/>  <!-- 3em -->
+  </hmtx>
+
+  <cmap>
+    <tableVersion version="0"/>
+    <cmap_format_4 platformID="3" platEncID="10" language="0">
+      <map code="0x0061" name="a" />
+    </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="a" 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">
+      Sample Font
+    </namerecord>
+    <namerecord nameID="2" platformID="3" platEncID="1" langID="0x409">
+      Regular
+    </namerecord>
+    <namerecord nameID="4" platformID="3" platEncID="1" langID="0x409">
+      Sample Font
+    </namerecord>
+    <namerecord nameID="6" platformID="3" platEncID="1" langID="0x409">
+      SampleFont-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/text/res/font/samplefont.ttf b/tests/tests/text/res/font/samplefont.ttf
new file mode 100644
index 0000000..768a6f9
--- /dev/null
+++ b/tests/tests/text/res/font/samplefont.ttf
Binary files differ
diff --git a/tests/tests/text/res/values/style.xml b/tests/tests/text/res/values/style.xml
new file mode 100644
index 0000000..b122101
--- /dev/null
+++ b/tests/tests/text/res/values/style.xml
@@ -0,0 +1,26 @@
+<?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.
+ -->
+
+<resources>
+  <style name="customFont">
+    <item name="android:fontFamily">@font/samplefont</item>
+  </style>
+  <style name="customFontWithStyle">
+    <item name="android:fontFamily">@font/samplefont</item>
+    <item name="android:textStyle">bold|italic</item>
+  </style>
+</resources>
diff --git a/tests/tests/text/src/android/text/style/cts/TextAppearanceSpanTest.java b/tests/tests/text/src/android/text/style/cts/TextAppearanceSpanTest.java
index 5af81d8..aa9a9d8 100644
--- a/tests/tests/text/src/android/text/style/cts/TextAppearanceSpanTest.java
+++ b/tests/tests/text/src/android/text/style/cts/TextAppearanceSpanTest.java
@@ -17,6 +17,7 @@
 package android.text.style.cts;
 
 import static org.junit.Assert.assertEquals;
+import static org.junit.Assert.assertNotEquals;
 import static org.junit.Assert.assertNull;
 import static org.junit.Assert.assertSame;
 
@@ -202,4 +203,48 @@
         assertEquals(family, newSpan.getFamily());
         p.recycle();
     }
+
+    @Test
+    public void testCreateFromStyle_FontResource() {
+        final TextAppearanceSpan span = new TextAppearanceSpan(mContext,
+                android.text.cts.R.style.customFont);
+        final TextPaint tp = new TextPaint();
+        final float originalTextWidth = tp.measureText("a");
+        span.updateDrawState(tp);
+        assertNotEquals(originalTextWidth, tp.measureText("a"), 0.0f);
+    }
+
+    @Test
+    public void testWriteReadParcel_FontResource() {
+        final TextAppearanceSpan span = new TextAppearanceSpan(mContext,
+                android.text.cts.R.style.customFont);
+
+        final Parcel p = Parcel.obtain();
+        span.writeToParcel(p, 0);
+        p.setDataPosition(0);
+        final TextAppearanceSpan unparceledSpan = new TextAppearanceSpan(p);
+
+        final TextPaint tp = new TextPaint();
+        span.updateDrawState(tp);
+        final float originalSpanTextWidth = tp.measureText("a");
+        unparceledSpan.updateDrawState(tp);
+        assertEquals(originalSpanTextWidth, tp.measureText("a"), 0.0f);
+    }
+
+    @Test
+    public void testWriteReadParcel_FontResource_WithStyle() {
+        final TextAppearanceSpan span = new TextAppearanceSpan(mContext,
+                android.text.cts.R.style.customFontWithStyle);
+
+        final Parcel p = Parcel.obtain();
+        span.writeToParcel(p, 0);
+        p.setDataPosition(0);
+        final TextAppearanceSpan unparceledSpan = new TextAppearanceSpan(p);
+
+        final TextPaint tp = new TextPaint();
+        span.updateDrawState(tp);
+        final float originalSpanTextWidth = tp.measureText("a");
+        unparceledSpan.updateDrawState(tp);
+        assertEquals(originalSpanTextWidth, tp.measureText("a"), 0.0f);
+    }
 }