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      1 /*
      2  * Copyright 2014 Google Inc.
      3  *
      4  * Use of this source code is governed by a BSD-style license that can be
      5  * found in the LICENSE file.
      6  */
      7 
      8 #include "Resources.h"
      9 #include "SkCommandLineFlags.h"
     10 #include "SkFontConfigParser_android.h"
     11 #include "Test.h"
     12 
     13 DECLARE_bool(verboseFontMgr);
     14 
     15 int CountFallbacks(SkTDArray<FontFamily*> fontFamilies) {
     16     int countOfFallbackFonts = 0;
     17     for (int i = 0; i < fontFamilies.count(); i++) {
     18         if (fontFamilies[i]->fIsFallbackFont) {
     19             countOfFallbackFonts++;
     20         }
     21     }
     22     return countOfFallbackFonts;
     23 }
     24 
     25 //https://tools.ietf.org/html/rfc5234#appendix-B.1
     26 static bool isALPHA(int c) {
     27     return ('a' <= c && c <= 'z') || ('A' <= c && c <= 'Z');
     28 }
     29 
     30 //https://tools.ietf.org/html/rfc5234#appendix-B.1
     31 static bool isDIGIT(int c) {
     32     return ('0' <= c && c <= '9');
     33 }
     34 
     35 void ValidateLoadedFonts(SkTDArray<FontFamily*> fontFamilies, const char* firstExpectedFile,
     36                          skiatest::Reporter* reporter) {
     37     REPORTER_ASSERT(reporter, fontFamilies[0]->fNames.count() == 5);
     38     REPORTER_ASSERT(reporter, !strcmp(fontFamilies[0]->fNames[0].c_str(), "sans-serif"));
     39     REPORTER_ASSERT(reporter,
     40                     !strcmp(fontFamilies[0]->fFonts[0].fFileName.c_str(), firstExpectedFile));
     41     REPORTER_ASSERT(reporter, !fontFamilies[0]->fIsFallbackFont);
     42 
     43     // Check that the languages are all sane.
     44     for (int i = 0; i < fontFamilies.count(); ++i) {
     45         const SkString& lang = fontFamilies[i]->fLanguage.getTag();
     46         for (size_t j = 0; j < lang.size(); ++j) {
     47             int c = lang[j];
     48             REPORTER_ASSERT(reporter, isALPHA(c) || isDIGIT(c) || '-' == c);
     49         }
     50     }
     51 
     52     // All file names in the test configuration files start with a capital letter.
     53     // This is not a general requirement, but it is true of all the test configuration data.
     54     // Verifying ensures the filenames have been read sanely and have not been 'sliced'.
     55     for (int i = 0; i < fontFamilies.count(); ++i) {
     56         FontFamily& family = *fontFamilies[i];
     57         for (int j = 0; j < family.fFonts.count(); ++j) {
     58             FontFileInfo& file = family.fFonts[j];
     59             REPORTER_ASSERT(reporter, !file.fFileName.isEmpty() &&
     60                                       file.fFileName[0] >= 'A' &&
     61                                       file.fFileName[0] <= 'Z');
     62         }
     63     }
     64 }
     65 
     66 void DumpLoadedFonts(SkTDArray<FontFamily*> fontFamilies, const char* label) {
     67     if (!FLAGS_verboseFontMgr) {
     68         return;
     69     }
     70 
     71     SkDebugf("\n--- Dumping %s\n", label);
     72     for (int i = 0; i < fontFamilies.count(); ++i) {
     73         SkDebugf("Family %d:\n", i);
     74         switch(fontFamilies[i]->fVariant) {
     75             case kElegant_FontVariant: SkDebugf("  elegant\n"); break;
     76             case kCompact_FontVariant: SkDebugf("  compact\n"); break;
     77             default: break;
     78         }
     79         SkDebugf("  basePath %s\n", fontFamilies[i]->fBasePath.c_str());
     80         if (!fontFamilies[i]->fLanguage.getTag().isEmpty()) {
     81             SkDebugf("  language %s\n", fontFamilies[i]->fLanguage.getTag().c_str());
     82         }
     83         for (int j = 0; j < fontFamilies[i]->fNames.count(); ++j) {
     84             SkDebugf("  name %s\n", fontFamilies[i]->fNames[j].c_str());
     85         }
     86         for (int j = 0; j < fontFamilies[i]->fFonts.count(); ++j) {
     87             const FontFileInfo& ffi = fontFamilies[i]->fFonts[j];
     88             SkDebugf("  file (%d) %s#%d\n", ffi.fWeight, ffi.fFileName.c_str(), ffi.fIndex);
     89         }
     90     }
     91     SkDebugf("\n\n");
     92 }
     93 
     94 DEF_TEST(FontConfigParserAndroid, reporter) {
     95 
     96     bool resourcesMissing = false;
     97 
     98     SkTDArray<FontFamily*> preV17FontFamilies;
     99     SkFontConfigParser::GetCustomFontFamilies(preV17FontFamilies,
    100         SkString("/custom/font/path/"),
    101         GetResourcePath("android_fonts/pre_v17/system_fonts.xml").c_str(),
    102         GetResourcePath("android_fonts/pre_v17/fallback_fonts.xml").c_str());
    103 
    104     if (preV17FontFamilies.count() > 0) {
    105         REPORTER_ASSERT(reporter, preV17FontFamilies.count() == 14);
    106         REPORTER_ASSERT(reporter, CountFallbacks(preV17FontFamilies) == 10);
    107 
    108         DumpLoadedFonts(preV17FontFamilies, "pre version 17");
    109         ValidateLoadedFonts(preV17FontFamilies, "Roboto-Regular.ttf", reporter);
    110     } else {
    111         resourcesMissing = true;
    112     }
    113 
    114 
    115     SkTDArray<FontFamily*> v17FontFamilies;
    116     SkFontConfigParser::GetCustomFontFamilies(v17FontFamilies,
    117         SkString("/custom/font/path/"),
    118         GetResourcePath("android_fonts/v17/system_fonts.xml").c_str(),
    119         GetResourcePath("android_fonts/v17/fallback_fonts.xml").c_str(),
    120         GetResourcePath("android_fonts/v17").c_str());
    121 
    122     if (v17FontFamilies.count() > 0) {
    123         REPORTER_ASSERT(reporter, v17FontFamilies.count() == 56);
    124         REPORTER_ASSERT(reporter, CountFallbacks(v17FontFamilies) == 46);
    125 
    126         DumpLoadedFonts(v17FontFamilies, "version 17");
    127         ValidateLoadedFonts(v17FontFamilies, "Roboto-Regular.ttf", reporter);
    128     } else {
    129         resourcesMissing = true;
    130     }
    131 
    132 
    133     SkTDArray<FontFamily*> v22FontFamilies;
    134     SkFontConfigParser::GetCustomFontFamilies(v22FontFamilies,
    135         SkString("/custom/font/path/"),
    136         GetResourcePath("android_fonts/v22/fonts.xml").c_str(),
    137         NULL);
    138 
    139     if (v22FontFamilies.count() > 0) {
    140         REPORTER_ASSERT(reporter, v22FontFamilies.count() == 53);
    141         REPORTER_ASSERT(reporter, CountFallbacks(v22FontFamilies) == 42);
    142 
    143         DumpLoadedFonts(v22FontFamilies, "version 22");
    144         ValidateLoadedFonts(v22FontFamilies, "Roboto-Thin.ttf", reporter);
    145     } else {
    146         resourcesMissing = true;
    147     }
    148 
    149     if (resourcesMissing) {
    150         SkDebugf("---- Resource files missing for FontConfigParser test\n");
    151     }
    152 }
    153 
    154