| // Copyright 2012 The Chromium Authors |
| // Use of this source code is governed by a BSD-style license that can be |
| // found in the LICENSE file. |
| |
| #include "ui/gfx/font_fallback_win.h" |
| |
| #include "base/strings/string_piece.h" |
| #include "base/test/task_environment.h" |
| #include "testing/gtest/include/gtest/gtest.h" |
| |
| namespace gfx { |
| |
| namespace { |
| |
| const char kDefaultApplicationLocale[] = "us-en"; |
| |
| class FontFallbackWinTest : public testing::Test { |
| public: |
| FontFallbackWinTest() = default; |
| |
| FontFallbackWinTest(const FontFallbackWinTest&) = delete; |
| FontFallbackWinTest& operator=(const FontFallbackWinTest&) = delete; |
| |
| private: |
| // Needed to bypass DCHECK in GetFallbackFont. |
| base::test::TaskEnvironment task_environment_{ |
| base::test::TaskEnvironment::MainThreadType::UI}; |
| }; |
| |
| } // namespace |
| |
| TEST_F(FontFallbackWinTest, ParseFontLinkEntry) { |
| std::string file; |
| std::string font; |
| |
| internal::ParseFontLinkEntry("TAHOMA.TTF", &file, &font); |
| EXPECT_EQ("TAHOMA.TTF", file); |
| EXPECT_EQ("", font); |
| |
| internal::ParseFontLinkEntry("MSGOTHIC.TTC,MS UI Gothic", &file, &font); |
| EXPECT_EQ("MSGOTHIC.TTC", file); |
| EXPECT_EQ("MS UI Gothic", font); |
| |
| internal::ParseFontLinkEntry("MALGUN.TTF,128,96", &file, &font); |
| EXPECT_EQ("MALGUN.TTF", file); |
| EXPECT_EQ("", font); |
| |
| internal::ParseFontLinkEntry("MEIRYO.TTC,Meiryo,128,85", &file, &font); |
| EXPECT_EQ("MEIRYO.TTC", file); |
| EXPECT_EQ("Meiryo", font); |
| } |
| |
| TEST_F(FontFallbackWinTest, ParseFontFamilyString) { |
| std::vector<std::string> font_names; |
| |
| internal::ParseFontFamilyString("Times New Roman (TrueType)", &font_names); |
| ASSERT_EQ(1U, font_names.size()); |
| EXPECT_EQ("Times New Roman", font_names[0]); |
| font_names.clear(); |
| |
| internal::ParseFontFamilyString("Cambria & Cambria Math (TrueType)", |
| &font_names); |
| ASSERT_EQ(2U, font_names.size()); |
| EXPECT_EQ("Cambria", font_names[0]); |
| EXPECT_EQ("Cambria Math", font_names[1]); |
| font_names.clear(); |
| |
| internal::ParseFontFamilyString( |
| "Meiryo & Meiryo Italic & Meiryo UI & Meiryo UI Italic (TrueType)", |
| &font_names); |
| ASSERT_EQ(4U, font_names.size()); |
| EXPECT_EQ("Meiryo", font_names[0]); |
| EXPECT_EQ("Meiryo Italic", font_names[1]); |
| EXPECT_EQ("Meiryo UI", font_names[2]); |
| EXPECT_EQ("Meiryo UI Italic", font_names[3]); |
| } |
| |
| TEST_F(FontFallbackWinTest, EmptyStringFallback) { |
| Font base_font; |
| Font fallback_font; |
| bool result = GetFallbackFont(base_font, kDefaultApplicationLocale, |
| base::StringPiece16(), &fallback_font); |
| EXPECT_FALSE(result); |
| } |
| |
| TEST_F(FontFallbackWinTest, NulTerminatedStringPiece) { |
| Font base_font; |
| Font fallback_font; |
| // Multiple ending NUL characters. |
| const char16_t kTest1[] = {0x0540, 0x0541, 0, 0, 0}; |
| EXPECT_FALSE(GetFallbackFont(base_font, kDefaultApplicationLocale, |
| base::StringPiece16(kTest1, std::size(kTest1)), |
| &fallback_font)); |
| // No ending NUL character. |
| const char16_t kTest2[] = {0x0540, 0x0541}; |
| EXPECT_TRUE(GetFallbackFont(base_font, kDefaultApplicationLocale, |
| base::StringPiece16(kTest2, std::size(kTest2)), |
| &fallback_font)); |
| |
| // NUL only characters. |
| const char16_t kTest3[] = {0, 0, 0}; |
| EXPECT_FALSE(GetFallbackFont(base_font, kDefaultApplicationLocale, |
| base::StringPiece16(kTest3, std::size(kTest3)), |
| &fallback_font)); |
| } |
| |
| TEST_F(FontFallbackWinTest, CJKLocaleFallback) { |
| // Han unification is an effort to map multiple character sets of the CJK |
| // languages into a single set of unified characters. Han characters are a |
| // common feature of written Chinese (hanzi), Japanese (kanji), and Korean |
| // (hanja). The same text will be rendered using a different font based on |
| // locale. |
| const char16_t kCJKTest[] = u"\u8AA4\u904E\u9AA8"; |
| Font base_font; |
| Font fallback_font; |
| |
| EXPECT_TRUE(GetFallbackFont(base_font, "zh-CN", kCJKTest, &fallback_font)); |
| EXPECT_EQ(fallback_font.GetFontName(), "Microsoft YaHei UI"); |
| |
| EXPECT_TRUE(GetFallbackFont(base_font, "zh-TW", kCJKTest, &fallback_font)); |
| EXPECT_EQ(fallback_font.GetFontName(), "Microsoft JhengHei UI"); |
| |
| EXPECT_TRUE(GetFallbackFont(base_font, "zh-HK", kCJKTest, &fallback_font)); |
| EXPECT_EQ(fallback_font.GetFontName(), "Microsoft JhengHei UI"); |
| |
| EXPECT_TRUE(GetFallbackFont(base_font, "ja", kCJKTest, &fallback_font)); |
| EXPECT_EQ(fallback_font.GetFontName(), "Yu Gothic UI"); |
| |
| EXPECT_TRUE(GetFallbackFont(base_font, "ja-JP", kCJKTest, &fallback_font)); |
| EXPECT_EQ(fallback_font.GetFontName(), "Yu Gothic UI"); |
| |
| EXPECT_TRUE(GetFallbackFont(base_font, "ko", kCJKTest, &fallback_font)); |
| EXPECT_EQ(fallback_font.GetFontName(), "Malgun Gothic"); |
| |
| EXPECT_TRUE(GetFallbackFont(base_font, "ko-KR", kCJKTest, &fallback_font)); |
| EXPECT_EQ(fallback_font.GetFontName(), "Malgun Gothic"); |
| } |
| |
| } // namespace gfx |