Mark fallback fonts in new Android font config parser

tests/FontConfigParser.cpp

 /*
  * Copyright 2014 Google Inc.
  *
  * Use of this source code is governed by a BSD-style license that can be
  * found in the LICENSE file.
  */
 
 #include "Resources.h"
 #include "SkFontConfigParser_android.h"
 #include "Test.h"
 
+int CountFallbacks(SkTDArray<FontFamily*> fontFamilies) {
+    int countOfFallbackFonts = 0;
+    for (int i = 0; i < fontFamilies.count(); i++) {
+        if (fontFamilies[i]->fIsFallbackFont) {
+            countOfFallbackFonts++;
+        }
+    }
+    return countOfFallbackFonts;
+}
+
 void ValidateLoadedFonts(SkTDArray<FontFamily*> fontFamilies,
                          skiatest::Reporter* reporter) {
     REPORTER_ASSERT(reporter, fontFamilies[0]->fNames.count() == 5);
     REPORTER_ASSERT(reporter, !strcmp(fontFamilies[0]->fNames[0].c_str(), "sans-serif"));
     REPORTER_ASSERT(reporter,
                     !strcmp(fontFamilies[0]->fFonts[0].fFileName.c_str(),
                             "Roboto-Regular.ttf"));
     REPORTER_ASSERT(reporter, !fontFamilies[0]->fIsFallbackFont);
-
 }
 
 void DumpLoadedFonts(SkTDArray<FontFamily*> fontFamilies) {
 #if SK_DEBUG_FONTS
     for (int i = 0; i < fontFamilies.count(); ++i) {
         SkDebugf("Family %d:\n", i);
         switch(fontFamilies[i]->fVariant) {
             case SkPaintOptionsAndroid::kElegant_Variant: SkDebugf("  elegant"); break;
             case SkPaintOptionsAndroid::kCompact_Variant: SkDebugf("  compact"); break;
             default: break;
@@ skipping 21 matching lines @@
 
     bool resourcesMissing = false;
 
     SkTDArray<FontFamily*> preV17FontFamilies;
     SkFontConfigParser::GetTestFontFamilies(preV17FontFamilies,
         GetResourcePath("android_fonts/pre_v17/system_fonts.xml").c_str(),
         GetResourcePath("android_fonts/pre_v17/fallback_fonts.xml").c_str());
 
     if (preV17FontFamilies.count() > 0) {
         REPORTER_ASSERT(reporter, preV17FontFamilies.count() == 14);
+        REPORTER_ASSERT(reporter, CountFallbacks(preV17FontFamilies) == 10);
 
         DumpLoadedFonts(preV17FontFamilies);
         ValidateLoadedFonts(preV17FontFamilies, reporter);
     } else {
         resourcesMissing = true;
     }
 
 
     SkTDArray<FontFamily*> v17FontFamilies;
     SkFontConfigParser::GetTestFontFamilies(v17FontFamilies,
         GetResourcePath("android_fonts/v17/system_fonts.xml").c_str(),
         GetResourcePath("android_fonts/v17/fallback_fonts.xml").c_str());
 
     if (v17FontFamilies.count() > 0) {
         REPORTER_ASSERT(reporter, v17FontFamilies.count() == 41);
+        REPORTER_ASSERT(reporter, CountFallbacks(v17FontFamilies) == 31);
 
         DumpLoadedFonts(v17FontFamilies);
         ValidateLoadedFonts(v17FontFamilies, reporter);
     } else {
         resourcesMissing = true;
     }
 
 
     SkTDArray<FontFamily*> v22FontFamilies;
     SkFontConfigParser::GetTestFontFamilies(v22FontFamilies,
         GetResourcePath("android_fonts/v22/fonts.xml").c_str(),
         NULL);
 
     if (v22FontFamilies.count() > 0) {
         REPORTER_ASSERT(reporter, v22FontFamilies.count() == 53);
+        REPORTER_ASSERT(reporter, CountFallbacks(v22FontFamilies) == 42);
 
         DumpLoadedFonts(v22FontFamilies);
         ValidateLoadedFonts(v22FontFamilies, reporter);
     } else {
         resourcesMissing = true;
     }
 
     if (resourcesMissing) {
         SkDebugf("---- Resource files missing for FontConfigParser test\n");
     }
 }