ui/gfx/font_fallback_win_unittest.cc

   1 // Copyright (c) 2012 The Chromium Authors. All rights reserved.
   2 // Use of this source code is governed by a BSD-style license that can be
   3 // found in the LICENSE file.
   4
   5 #include "ui/gfx/font_fallback_win.h"
   6 #include "testing/gtest/include/gtest/gtest.h"
   7
   8 namespace gfx {
   9
  10 namespace {
  11
  12 // Subclass of LinkedFontsIterator for testing that allows mocking the linked
  13 // fonts vector.
  14 class TestLinkedFontsIterator : public internal::LinkedFontsIterator {
  15  public:
  16   explicit TestLinkedFontsIterator(Font font) : LinkedFontsIterator(font) {
  17   }
  18
  19   ~TestLinkedFontsIterator() override {}
  20
  21   // Add a linked font to the mocked vector of linked fonts.
  22   void AddLinkedFontForTesting(Font font) {
  23     test_linked_fonts.push_back(font);
  24   }
  25
  26   const std::vector<Font>* GetLinkedFonts() const override {
  27     return &test_linked_fonts;
  28   }
  29
  30  private:
  31   std::vector<Font> test_linked_fonts;
  32
  33   DISALLOW_COPY_AND_ASSIGN(TestLinkedFontsIterator);
  34 };
  35
  36 }  // namespace
  37
  38 TEST(FontFallbackWinTest, ParseFontLinkEntry) {
  39   std::string file;
  40   std::string font;
  41
  42   internal::ParseFontLinkEntry("TAHOMA.TTF", &file, &font);
  43   EXPECT_EQ("TAHOMA.TTF", file);
  44   EXPECT_EQ("", font);
  45
  46   internal::ParseFontLinkEntry("MSGOTHIC.TTC,MS UI Gothic", &file, &font);
  47   EXPECT_EQ("MSGOTHIC.TTC", file);
  48   EXPECT_EQ("MS UI Gothic", font);
  49
  50   internal::ParseFontLinkEntry("MALGUN.TTF,128,96", &file, &font);
  51   EXPECT_EQ("MALGUN.TTF", file);
  52   EXPECT_EQ("", font);
  53
  54   internal::ParseFontLinkEntry("MEIRYO.TTC,Meiryo,128,85", &file, &font);
  55   EXPECT_EQ("MEIRYO.TTC", file);
  56   EXPECT_EQ("Meiryo", font);
  57 }
  58
  59 TEST(FontFallbackWinTest, ParseFontFamilyString) {
  60   std::vector<std::string> font_names;
  61
  62   internal::ParseFontFamilyString("Times New Roman (TrueType)", &font_names);
  63   ASSERT_EQ(1U, font_names.size());
  64   EXPECT_EQ("Times New Roman", font_names[0]);
  65   font_names.clear();
  66
  67   internal::ParseFontFamilyString("Cambria & Cambria Math (TrueType)",
  68                                   &font_names);
  69   ASSERT_EQ(2U, font_names.size());
  70   EXPECT_EQ("Cambria", font_names[0]);
  71   EXPECT_EQ("Cambria Math", font_names[1]);
  72   font_names.clear();
  73
  74   internal::ParseFontFamilyString(
  75       "Meiryo & Meiryo Italic & Meiryo UI & Meiryo UI Italic (TrueType)",
  76       &font_names);
  77   ASSERT_EQ(4U, font_names.size());
  78   EXPECT_EQ("Meiryo", font_names[0]);
  79   EXPECT_EQ("Meiryo Italic", font_names[1]);
  80   EXPECT_EQ("Meiryo UI", font_names[2]);
  81   EXPECT_EQ("Meiryo UI Italic", font_names[3]);
  82 }
  83
  84 TEST(FontFallbackWinTest, LinkedFontsIterator) {
  85   TestLinkedFontsIterator iterator(Font("Arial", 16));
  86   iterator.AddLinkedFontForTesting(Font("Times New Roman", 16));
  87
  88   Font font;
  89   EXPECT_TRUE(iterator.NextFont(&font));
  90   ASSERT_EQ("Arial", font.GetFontName());
  91
  92   EXPECT_TRUE(iterator.NextFont(&font));
  93   ASSERT_EQ("Times New Roman", font.GetFontName());
  94
  95   EXPECT_FALSE(iterator.NextFont(&font));
  96 }
  97
  98 TEST(FontFallbackWinTest, LinkedFontsIteratorSetNextFont) {
  99   TestLinkedFontsIterator iterator(Font("Arial", 16));
 100   iterator.AddLinkedFontForTesting(Font("Times New Roman", 16));
 101
 102   Font font;
 103   EXPECT_TRUE(iterator.NextFont(&font));
 104   ASSERT_EQ("Arial", font.GetFontName());
 105
 106   iterator.SetNextFont(Font("Tahoma", 16));
 107   EXPECT_TRUE(iterator.NextFont(&font));
 108   ASSERT_EQ("Tahoma", font.GetFontName());
 109
 110   EXPECT_TRUE(iterator.NextFont(&font));
 111   ASSERT_EQ("Times New Roman", font.GetFontName());
 112
 113   EXPECT_FALSE(iterator.NextFont(&font));
 114 }
 115
 116 }  // namespace gfx