Make GetCustomFontRenderParams() pass font style.

ui/gfx/font_render_params_linux_unittest.cc

 // Copyright 2014 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #include "ui/gfx/font_render_params.h"
 
 #include "base/files/file_path.h"
 #include "base/files/scoped_temp_dir.h"
 #include "base/logging.h"
 #include "base/macros.h"
 #include "testing/gtest/include/gtest/gtest.h"
+#include "ui/gfx/font.h"
 #include "ui/gfx/test/fontconfig_util_linux.h"
 
 namespace gfx {
 
 namespace {
 
 // Loads the first system font defined by fontconfig_util_linux.h with a base
 // filename of |basename|. Case is ignored.
 bool LoadSystemFont(const std::string& basename) {
   for (size_t i = 0; i < kNumSystemFontsForFontconfig; ++i) {
@@ skipping 43 matching lines @@
   EXPECT_TRUE(params.antialiasing);
   EXPECT_FALSE(params.autohinter);
   EXPECT_TRUE(params.use_bitmaps);
   EXPECT_EQ(FontRenderParams::HINTING_FULL, params.hinting);
   EXPECT_FALSE(params.subpixel_positioning);
   EXPECT_EQ(FontRenderParams::SUBPIXEL_RENDERING_RGB,
             params.subpixel_rendering);
 }
 
 TEST_F(FontRenderParamsTest, Size) {
-  // Fontconfig needs to know about at least one font to return a match.
   ASSERT_TRUE(LoadSystemFont("arial.ttf"));
   ASSERT_TRUE(LoadConfigDataIntoFontconfig(temp_dir_.path(),
       std::string(kFontconfigFileHeader) +
       kFontconfigMatchHeader +
       CreateFontconfigEditStanza("antialias", "bool", "true") +
       CreateFontconfigEditStanza("hinting", "bool", "true") +
       CreateFontconfigEditStanza("hintstyle", "const", "hintfull") +
       CreateFontconfigEditStanza("rgba", "const", "none") +
       kFontconfigMatchFooter +
       kFontconfigMatchHeader +
       CreateFontconfigTestStanza("pixelsize", "less_eq", "double", "10") +
       CreateFontconfigEditStanza("antialias", "bool", "false") +
       kFontconfigMatchFooter +
       kFontconfigMatchHeader +
       CreateFontconfigTestStanza("size", "more_eq", "double", "20") +
       CreateFontconfigEditStanza("hintstyle", "const", "hintslight") +
       CreateFontconfigEditStanza("rgba", "const", "rgb") +
       kFontconfigMatchFooter +
       kFontconfigFileFooter));
 
   // The defaults should be used when the supplied size isn't matched by the
   // second or third blocks.
   int pixel_size = 12;
   FontRenderParams params = GetCustomFontRenderParams(
-      false, NULL, &pixel_size, NULL, NULL);
+      false, NULL, &pixel_size, NULL, NULL, NULL);
   EXPECT_TRUE(params.antialiasing);
   EXPECT_EQ(FontRenderParams::HINTING_FULL, params.hinting);
   EXPECT_EQ(FontRenderParams::SUBPIXEL_RENDERING_NONE,
             params.subpixel_rendering);
 
   pixel_size = 10;
-  params = GetCustomFontRenderParams(false, NULL, &pixel_size, NULL, NULL);
+  params = GetCustomFontRenderParams(
+      false, NULL, &pixel_size, NULL, NULL, NULL);
   EXPECT_FALSE(params.antialiasing);
   EXPECT_EQ(FontRenderParams::HINTING_FULL, params.hinting);
   EXPECT_EQ(FontRenderParams::SUBPIXEL_RENDERING_NONE,
             params.subpixel_rendering);
 
   int point_size = 20;
-  params = GetCustomFontRenderParams(false, NULL, NULL, &point_size, NULL);
+  params = GetCustomFontRenderParams(
+      false, NULL, NULL, &point_size, NULL, NULL);
   EXPECT_TRUE(params.antialiasing);
   EXPECT_EQ(FontRenderParams::HINTING_SLIGHT, params.hinting);
   EXPECT_EQ(FontRenderParams::SUBPIXEL_RENDERING_RGB,
             params.subpixel_rendering);
 }
 
+TEST_F(FontRenderParamsTest, Style) {
+  ASSERT_TRUE(LoadSystemFont("arial.ttf"));
+  // Load a config that disables antialiasing for bold text and disables
+  // hinting for italic text.
+  ASSERT_TRUE(LoadConfigDataIntoFontconfig(temp_dir_.path(),
+      std::string(kFontconfigFileHeader) +
+      kFontconfigMatchHeader +
+      CreateFontconfigEditStanza("antialias", "bool", "true") +
+      CreateFontconfigEditStanza("hinting", "bool", "true") +
+      CreateFontconfigEditStanza("hintstyle", "const", "hintfull") +
+      kFontconfigMatchFooter +
+      kFontconfigMatchHeader +
+      CreateFontconfigTestStanza("weight", "eq", "const", "bold") +
+      CreateFontconfigEditStanza("antialias", "bool", "false") +
+      kFontconfigMatchFooter +
+      kFontconfigMatchHeader +
+      CreateFontconfigTestStanza("slant", "eq", "const", "italic") +
+      CreateFontconfigEditStanza("hinting", "bool", "false") +
+      kFontconfigMatchFooter +
+      kFontconfigFileFooter));
+
+  int style = Font::NORMAL;
+  FontRenderParams params = GetCustomFontRenderParams(
+      false, NULL, NULL, NULL, &style, NULL);
+  EXPECT_TRUE(params.antialiasing);
+  EXPECT_EQ(FontRenderParams::HINTING_FULL, params.hinting);
+
+  style = Font::BOLD;
+  params = GetCustomFontRenderParams(
+      false, NULL, NULL, NULL, &style, NULL);
+  EXPECT_FALSE(params.antialiasing);
+  EXPECT_EQ(FontRenderParams::HINTING_FULL, params.hinting);
+
+  style = Font::ITALIC;
+  params = GetCustomFontRenderParams(
+      false, NULL, NULL, NULL, &style, NULL);
+  EXPECT_TRUE(params.antialiasing);
+  EXPECT_EQ(FontRenderParams::HINTING_NONE, params.hinting);
+
+  style = Font::BOLD | Font::ITALIC;
+  params = GetCustomFontRenderParams(
+      false, NULL, NULL, NULL, &style, NULL);
+  EXPECT_FALSE(params.antialiasing);
+  EXPECT_EQ(FontRenderParams::HINTING_NONE, params.hinting);
+}
+
 }  // namespace gfx