content/browser/renderer_host/dwrite_font_proxy_impl_win_unittest.cc - chromium/src - Git at Google

 // Copyright 2015 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 "content/browser/renderer_host/dwrite_font_proxy_impl_win.h"

 #include <dwrite.h>
 #include <dwrite_2.h>

 #include <memory>

 #include "base/files/file.h"
 #include "base/memory/ref_counted.h"
 #include "base/run_loop.h"
 #include "base/test/scoped_task_environment.h"
 #include "base/threading/thread_task_runner_handle.h"
 #include "base/win/windows_version.h"
 #include "content/public/test/test_browser_thread_bundle.h"
 #include "mojo/public/cpp/bindings/binding.h"
 #include "services/service_manager/public/cpp/bind_source_info.h"
 #include "testing/gtest/include/gtest/gtest.h"
 #include "third_party/blink/public/common/dwrite_rasterizer_support/dwrite_rasterizer_support.h"
 #include "third_party/blink/public/common/font_unique_name_lookup/font_table_matcher.h"

 namespace content {

 namespace {

 std::vector<std::pair<std::string, uint32_t>> expected_test_fonts = {
     {u8"CambriaMath", 1},
     {u8"Ming-Lt-HKSCS-ExtB", 2},
     {u8"NSimSun", 1},
     {u8"calibri-bolditalic", 0}};

 class DWriteFontProxyImplUnitTest : public testing::Test {
  public:
   DWriteFontProxyImplUnitTest()
       : binding_(&impl_, mojo::MakeRequest(&dwrite_font_proxy_)) {}

   blink::mojom::DWriteFontProxy& dwrite_font_proxy() {
     return *dwrite_font_proxy_;
   }

   base::test::ScopedTaskEnvironment scoped_task_environment_;
   blink::mojom::DWriteFontProxyPtr dwrite_font_proxy_;
   DWriteFontProxyImpl impl_;
   mojo::Binding<blink::mojom::DWriteFontProxy> binding_;
 };

 TEST_F(DWriteFontProxyImplUnitTest, GetFamilyCount) {
   UINT32 family_count = 0;
   dwrite_font_proxy().GetFamilyCount(&family_count);
   EXPECT_NE(0u, family_count);  // Assume there's some fonts on the test system.
 }

 TEST_F(DWriteFontProxyImplUnitTest, FindFamily) {
   UINT32 arial_index = 0;
   dwrite_font_proxy().FindFamily(L"Arial", &arial_index);
   EXPECT_NE(UINT_MAX, arial_index);

   UINT32 times_index = 0;
   dwrite_font_proxy().FindFamily(L"Times New Roman", &times_index);
   EXPECT_NE(UINT_MAX, times_index);
   EXPECT_NE(arial_index, times_index);

   UINT32 unknown_index = 0;
   dwrite_font_proxy().FindFamily(L"Not a font family", &unknown_index);
   EXPECT_EQ(UINT_MAX, unknown_index);
 }

 TEST_F(DWriteFontProxyImplUnitTest, GetFamilyNames) {
   UINT32 arial_index = 0;
   dwrite_font_proxy().FindFamily(L"Arial", &arial_index);

   std::vector<blink::mojom::DWriteStringPairPtr> names;
   dwrite_font_proxy().GetFamilyNames(arial_index, &names);

   EXPECT_LT(0u, names.size());
   for (const auto& pair : names) {
     EXPECT_FALSE(pair->first.empty());
     EXPECT_FALSE(pair->second.empty());
   }
 }

 TEST_F(DWriteFontProxyImplUnitTest, GetFamilyNamesIndexOutOfBounds) {
   std::vector<blink::mojom::DWriteStringPairPtr> names;
   UINT32 invalid_index = 1000000;
   dwrite_font_proxy().GetFamilyNames(invalid_index, &names);

   EXPECT_TRUE(names.empty());
 }

 TEST_F(DWriteFontProxyImplUnitTest, GetFontFiles) {
   UINT32 arial_index = 0;
   dwrite_font_proxy().FindFamily(L"Arial", &arial_index);

   std::vector<base::FilePath> files;
   std::vector<base::File> handles;
   dwrite_font_proxy().GetFontFiles(arial_index, &files, &handles);

   EXPECT_LT(0u, files.size());
   for (const auto& file : files) {
     EXPECT_FALSE(file.value().empty());
   }
 }

 TEST_F(DWriteFontProxyImplUnitTest, GetFontFilesIndexOutOfBounds) {
   std::vector<base::FilePath> files;
   std::vector<base::File> handles;
   UINT32 invalid_index = 1000000;
   dwrite_font_proxy().GetFontFiles(invalid_index, &files, &handles);

   EXPECT_EQ(0u, files.size());
 }

 TEST_F(DWriteFontProxyImplUnitTest, MapCharacter) {
   if (!blink::DWriteRasterizerSupport::IsDWriteFactory2Available())
     return;

   blink::mojom::MapCharactersResultPtr result;
   dwrite_font_proxy().MapCharacters(
       L"abc",
       blink::mojom::DWriteFontStyle::New(DWRITE_FONT_WEIGHT_NORMAL,
                                          DWRITE_FONT_STYLE_NORMAL,
                                          DWRITE_FONT_STRETCH_NORMAL),
       L"", DWRITE_READING_DIRECTION_LEFT_TO_RIGHT, L"", &result);

   EXPECT_NE(UINT32_MAX, result->family_index);
   EXPECT_STRNE(L"", result->family_name.c_str());
   EXPECT_EQ(3u, result->mapped_length);
   EXPECT_NE(0.0, result->scale);
   EXPECT_NE(0, result->font_style->font_weight);
   EXPECT_EQ(DWRITE_FONT_STYLE_NORMAL, result->font_style->font_slant);
   EXPECT_NE(0, result->font_style->font_stretch);
 }

 TEST_F(DWriteFontProxyImplUnitTest, MapCharacterInvalidCharacter) {
   if (!blink::DWriteRasterizerSupport::IsDWriteFactory2Available())
     return;

   blink::mojom::MapCharactersResultPtr result;
   dwrite_font_proxy().MapCharacters(
       L"\ufffe\uffffabc",
       blink::mojom::DWriteFontStyle::New(DWRITE_FONT_WEIGHT_NORMAL,
                                          DWRITE_FONT_STYLE_NORMAL,
                                          DWRITE_FONT_STRETCH_NORMAL),
       L"en-us", DWRITE_READING_DIRECTION_LEFT_TO_RIGHT, L"", &result);

   EXPECT_EQ(UINT32_MAX, result->family_index);
   EXPECT_STREQ(L"", result->family_name.c_str());
   EXPECT_EQ(2u, result->mapped_length);
 }

 TEST_F(DWriteFontProxyImplUnitTest, MapCharacterInvalidAfterValid) {
   if (!blink::DWriteRasterizerSupport::IsDWriteFactory2Available())
     return;

   blink::mojom::MapCharactersResultPtr result;
   dwrite_font_proxy().MapCharacters(
       L"abc\ufffe\uffff",
       blink::mojom::DWriteFontStyle::New(DWRITE_FONT_WEIGHT_NORMAL,
                                          DWRITE_FONT_STYLE_NORMAL,
                                          DWRITE_FONT_STRETCH_NORMAL),
       L"en-us", DWRITE_READING_DIRECTION_LEFT_TO_RIGHT, L"", &result);

   EXPECT_NE(UINT32_MAX, result->family_index);
   EXPECT_STRNE(L"", result->family_name.c_str());
   EXPECT_EQ(3u, result->mapped_length);
   EXPECT_NE(0.0, result->scale);
   EXPECT_NE(0, result->font_style->font_weight);
   EXPECT_EQ(DWRITE_FONT_STYLE_NORMAL, result->font_style->font_slant);
   EXPECT_NE(0, result->font_style->font_stretch);
 }

 TEST_F(DWriteFontProxyImplUnitTest, TestCustomFontFiles) {
   // Override windows fonts path to force the custom font file codepath.
   impl_.SetWindowsFontsPathForTesting(L"X:\\NotWindowsFonts");

   UINT32 arial_index = 0;
   dwrite_font_proxy().FindFamily(L"Arial", &arial_index);

   std::vector<base::FilePath> files;
   std::vector<base::File> handles;
   dwrite_font_proxy().GetFontFiles(arial_index, &files, &handles);

   EXPECT_TRUE(files.empty());
   EXPECT_FALSE(handles.empty());
   for (auto& file : handles) {
     EXPECT_TRUE(file.IsValid());
     EXPECT_LT(0, file.GetLength());  // Check the file exists
   }
 }

 TEST_F(DWriteFontProxyImplUnitTest, TestFindUniqueFont) {
   base::ReadOnlySharedMemoryRegion font_table_memory;
   dwrite_font_proxy().GetUniqueNameLookupTable(&font_table_memory);
   blink::FontTableMatcher font_table_matcher(font_table_memory.Map());

   for (auto& test_font_name_index : expected_test_fonts) {
     base::Optional<blink::FontTableMatcher::MatchResult> match_result =
         font_table_matcher.MatchName(test_font_name_index.first);
     CHECK(match_result) << "No font matched for font name: "
                         << test_font_name_index.first;
     base::File unique_font_file(
         base::FilePath::FromUTF8Unsafe(match_result->font_path),
         base::File::FLAG_OPEN | base::File::FLAG_READ);
     CHECK(unique_font_file.IsValid());
     CHECK_GT(unique_font_file.GetLength(), 0);
     CHECK_EQ(test_font_name_index.second, match_result->ttc_index);
   }
 }

 TEST_F(DWriteFontProxyImplUnitTest, TestFontIndexingTimeout) {
   impl_.SetSlowDownIndexingForTesting(true);
   base::ReadOnlySharedMemoryRegion font_table_memory;
   dwrite_font_proxy().GetUniqueNameLookupTable(&font_table_memory);
   blink::FontTableMatcher font_table_matcher(font_table_memory.Map());

   for (auto& test_font_name_index : expected_test_fonts) {
     base::Optional<blink::FontTableMatcher::MatchResult> match_result =
         font_table_matcher.MatchName(test_font_name_index.first);
     CHECK(!match_result);
   }
 }

 }  // namespace

 }  // namespace content
	// Copyright 2015 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 "content/browser/renderer_host/dwrite_font_proxy_impl_win.h"

	#include <dwrite.h>
	#include <dwrite_2.h>

	#include <memory>

	#include "base/files/file.h"
	#include "base/memory/ref_counted.h"
	#include "base/run_loop.h"
	#include "base/test/scoped_task_environment.h"
	#include "base/threading/thread_task_runner_handle.h"
	#include "base/win/windows_version.h"
	#include "content/public/test/test_browser_thread_bundle.h"
	#include "mojo/public/cpp/bindings/binding.h"
	#include "services/service_manager/public/cpp/bind_source_info.h"
	#include "testing/gtest/include/gtest/gtest.h"
	#include "third_party/blink/public/common/dwrite_rasterizer_support/dwrite_rasterizer_support.h"
	#include "third_party/blink/public/common/font_unique_name_lookup/font_table_matcher.h"

	namespace content {

	namespace {

	std::vector<std::pair<std::string, uint32_t>> expected_test_fonts = {
	{u8"CambriaMath", 1},
	{u8"Ming-Lt-HKSCS-ExtB", 2},
	{u8"NSimSun", 1},
	{u8"calibri-bolditalic", 0}};

	class DWriteFontProxyImplUnitTest : public testing::Test {
	public:
	DWriteFontProxyImplUnitTest()
	: binding_(&impl_, mojo::MakeRequest(&dwrite_font_proxy_)) {}

	blink::mojom::DWriteFontProxy& dwrite_font_proxy() {
	return *dwrite_font_proxy_;
	}

	base::test::ScopedTaskEnvironment scoped_task_environment_;
	blink::mojom::DWriteFontProxyPtr dwrite_font_proxy_;
	DWriteFontProxyImpl impl_;
	mojo::Binding<blink::mojom::DWriteFontProxy> binding_;
	};

	TEST_F(DWriteFontProxyImplUnitTest, GetFamilyCount) {
	UINT32 family_count = 0;
	dwrite_font_proxy().GetFamilyCount(&family_count);
	EXPECT_NE(0u, family_count); // Assume there's some fonts on the test system.
	}

	TEST_F(DWriteFontProxyImplUnitTest, FindFamily) {
	UINT32 arial_index = 0;
	dwrite_font_proxy().FindFamily(L"Arial", &arial_index);
	EXPECT_NE(UINT_MAX, arial_index);

	UINT32 times_index = 0;
	dwrite_font_proxy().FindFamily(L"Times New Roman", &times_index);
	EXPECT_NE(UINT_MAX, times_index);
	EXPECT_NE(arial_index, times_index);

	UINT32 unknown_index = 0;
	dwrite_font_proxy().FindFamily(L"Not a font family", &unknown_index);
	EXPECT_EQ(UINT_MAX, unknown_index);
	}

	TEST_F(DWriteFontProxyImplUnitTest, GetFamilyNames) {
	UINT32 arial_index = 0;
	dwrite_font_proxy().FindFamily(L"Arial", &arial_index);

	std::vector<blink::mojom::DWriteStringPairPtr> names;
	dwrite_font_proxy().GetFamilyNames(arial_index, &names);

	EXPECT_LT(0u, names.size());
	for (const auto& pair : names) {
	EXPECT_FALSE(pair->first.empty());
	EXPECT_FALSE(pair->second.empty());
	}
	}

	TEST_F(DWriteFontProxyImplUnitTest, GetFamilyNamesIndexOutOfBounds) {
	std::vector<blink::mojom::DWriteStringPairPtr> names;
	UINT32 invalid_index = 1000000;
	dwrite_font_proxy().GetFamilyNames(invalid_index, &names);

	EXPECT_TRUE(names.empty());
	}

	TEST_F(DWriteFontProxyImplUnitTest, GetFontFiles) {
	UINT32 arial_index = 0;
	dwrite_font_proxy().FindFamily(L"Arial", &arial_index);

	std::vector<base::FilePath> files;
	std::vector<base::File> handles;
	dwrite_font_proxy().GetFontFiles(arial_index, &files, &handles);

	EXPECT_LT(0u, files.size());
	for (const auto& file : files) {
	EXPECT_FALSE(file.value().empty());
	}
	}

	TEST_F(DWriteFontProxyImplUnitTest, GetFontFilesIndexOutOfBounds) {
	std::vector<base::FilePath> files;
	std::vector<base::File> handles;
	UINT32 invalid_index = 1000000;
	dwrite_font_proxy().GetFontFiles(invalid_index, &files, &handles);

	EXPECT_EQ(0u, files.size());
	}

	TEST_F(DWriteFontProxyImplUnitTest, MapCharacter) {
	if (!blink::DWriteRasterizerSupport::IsDWriteFactory2Available())
	return;

	blink::mojom::MapCharactersResultPtr result;
	dwrite_font_proxy().MapCharacters(
	L"abc",
	blink::mojom::DWriteFontStyle::New(DWRITE_FONT_WEIGHT_NORMAL,
	DWRITE_FONT_STYLE_NORMAL,
	DWRITE_FONT_STRETCH_NORMAL),
	L"", DWRITE_READING_DIRECTION_LEFT_TO_RIGHT, L"", &result);

	EXPECT_NE(UINT32_MAX, result->family_index);
	EXPECT_STRNE(L"", result->family_name.c_str());
	EXPECT_EQ(3u, result->mapped_length);
	EXPECT_NE(0.0, result->scale);
	EXPECT_NE(0, result->font_style->font_weight);
	EXPECT_EQ(DWRITE_FONT_STYLE_NORMAL, result->font_style->font_slant);
	EXPECT_NE(0, result->font_style->font_stretch);
	}

	TEST_F(DWriteFontProxyImplUnitTest, MapCharacterInvalidCharacter) {
	if (!blink::DWriteRasterizerSupport::IsDWriteFactory2Available())
	return;

	blink::mojom::MapCharactersResultPtr result;
	dwrite_font_proxy().MapCharacters(
	L"\ufffe\uffffabc",
	blink::mojom::DWriteFontStyle::New(DWRITE_FONT_WEIGHT_NORMAL,
	DWRITE_FONT_STYLE_NORMAL,
	DWRITE_FONT_STRETCH_NORMAL),
	L"en-us", DWRITE_READING_DIRECTION_LEFT_TO_RIGHT, L"", &result);

	EXPECT_EQ(UINT32_MAX, result->family_index);
	EXPECT_STREQ(L"", result->family_name.c_str());
	EXPECT_EQ(2u, result->mapped_length);
	}

	TEST_F(DWriteFontProxyImplUnitTest, MapCharacterInvalidAfterValid) {
	if (!blink::DWriteRasterizerSupport::IsDWriteFactory2Available())
	return;

	blink::mojom::MapCharactersResultPtr result;
	dwrite_font_proxy().MapCharacters(
	L"abc\ufffe\uffff",
	blink::mojom::DWriteFontStyle::New(DWRITE_FONT_WEIGHT_NORMAL,
	DWRITE_FONT_STYLE_NORMAL,
	DWRITE_FONT_STRETCH_NORMAL),
	L"en-us", DWRITE_READING_DIRECTION_LEFT_TO_RIGHT, L"", &result);

	EXPECT_NE(UINT32_MAX, result->family_index);
	EXPECT_STRNE(L"", result->family_name.c_str());
	EXPECT_EQ(3u, result->mapped_length);
	EXPECT_NE(0.0, result->scale);
	EXPECT_NE(0, result->font_style->font_weight);
	EXPECT_EQ(DWRITE_FONT_STYLE_NORMAL, result->font_style->font_slant);
	EXPECT_NE(0, result->font_style->font_stretch);
	}

	TEST_F(DWriteFontProxyImplUnitTest, TestCustomFontFiles) {
	// Override windows fonts path to force the custom font file codepath.
	impl_.SetWindowsFontsPathForTesting(L"X:\\NotWindowsFonts");

	UINT32 arial_index = 0;
	dwrite_font_proxy().FindFamily(L"Arial", &arial_index);

	std::vector<base::FilePath> files;
	std::vector<base::File> handles;
	dwrite_font_proxy().GetFontFiles(arial_index, &files, &handles);

	EXPECT_TRUE(files.empty());
	EXPECT_FALSE(handles.empty());
	for (auto& file : handles) {
	EXPECT_TRUE(file.IsValid());
	EXPECT_LT(0, file.GetLength()); // Check the file exists
	}
	}

	TEST_F(DWriteFontProxyImplUnitTest, TestFindUniqueFont) {
	base::ReadOnlySharedMemoryRegion font_table_memory;
	dwrite_font_proxy().GetUniqueNameLookupTable(&font_table_memory);
	blink::FontTableMatcher font_table_matcher(font_table_memory.Map());

	for (auto& test_font_name_index : expected_test_fonts) {
	base::Optional<blink::FontTableMatcher::MatchResult> match_result =
	font_table_matcher.MatchName(test_font_name_index.first);
	CHECK(match_result) << "No font matched for font name: "
	<< test_font_name_index.first;
	base::File unique_font_file(
	base::FilePath::FromUTF8Unsafe(match_result->font_path),
	base::File::FLAG_OPEN \| base::File::FLAG_READ);
	CHECK(unique_font_file.IsValid());
	CHECK_GT(unique_font_file.GetLength(), 0);
	CHECK_EQ(test_font_name_index.second, match_result->ttc_index);
	}
	}

	TEST_F(DWriteFontProxyImplUnitTest, TestFontIndexingTimeout) {
	impl_.SetSlowDownIndexingForTesting(true);
	base::ReadOnlySharedMemoryRegion font_table_memory;
	dwrite_font_proxy().GetUniqueNameLookupTable(&font_table_memory);
	blink::FontTableMatcher font_table_matcher(font_table_memory.Map());

	for (auto& test_font_name_index : expected_test_fonts) {
	base::Optional<blink::FontTableMatcher::MatchResult> match_result =
	font_table_matcher.MatchName(test_font_name_index.first);
	CHECK(!match_result);
	}
	}

	} // namespace

	} // namespace content