Test and generalize font configuration 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"
+
+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]->fFontFiles[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);
+        for (int j = 0; j < fontFamilies[i]->fNames.count(); ++j) {
+            SkDebugf("  name %s\n", fontFamilies[i]->fNames[j].c_str());
+        }
+    }
+#endif // SK_DEBUG_FONTS
+}
+
+DEF_TEST(FontConfigParserAndroid, reporter) {
+
+    SkTDArray<FontFamily*> preV17FontFamilies;
+    SkFontConfigParser::GetTestFontFamilies(preV17FontFamilies,
+        GetResourcePath("android_fonts/pre_v17/system_fonts.xml").c_str(),

[djsollen, 2014/08/05 15:52:00]

so these tests fail if you don't provide a resource path?  What is the standard
procedure if no path is provided?  In other testes do we pass with a warning or
fail?

+        GetResourcePath("android_fonts/pre_v17/fallback_fonts.xml").c_str());
+
+    REPORTER_ASSERT(reporter, preV17FontFamilies.count() == 14);
+
+    DumpLoadedFonts(preV17FontFamilies);
+    ValidateLoadedFonts(preV17FontFamilies, reporter);
+
+    SkTDArray<FontFamily*> v17FontFamilies;
+    SkFontConfigParser::GetTestFontFamilies(v17FontFamilies,
+        GetResourcePath("android_fonts/v17/system_fonts.xml").c_str(),
+        GetResourcePath("android_fonts/v17/fallback_fonts.xml").c_str());
+
+
+    REPORTER_ASSERT(reporter, v17FontFamilies.count() == 41);
+
+    DumpLoadedFonts(v17FontFamilies);
+    ValidateLoadedFonts(v17FontFamilies, reporter);
+
+    SkTDArray<FontFamily*> v22FontFamilies;
+    SkFontConfigParser::GetTestFontFamilies(v22FontFamilies,
+        GetResourcePath("android_fonts/v22/fonts.xml").c_str(),
+        NULL);
+
+    //REPORTER_ASSERT(reporter, v22FontFamilies.count() > 0);
+    if (v22FontFamilies.count() > 0) {
+        REPORTER_ASSERT(reporter, v22FontFamilies[0]->fNames.count() > 0);
+    }
+
+    //ValidateLoadedFonts(v22FontFamilies, reporter);
+}
+