content/child/font_warmup_win_unittest.cc - chromium/src.git - 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/child/font_warmup_win.h"

 #include <dwrite.h>
 #include <stddef.h>
 #include <stdint.h>
 #include <windows.h>
 #include <wrl.h>

 #include <memory>
 #include <vector>

 #include "base/files/file_path.h"
 #include "base/logging.h"
 #include "base/path_service.h"
 #include "base/sys_byteorder.h"
 #include "base/test/scoped_task_environment.h"
 #include "base/win/windows_version.h"

 #include "content/child/dwrite_font_proxy/dwrite_font_proxy_win.h"
 #include "content/public/common/content_paths.h"
 #include "content/test/dwrite_font_fake_sender_win.h"
 #include "testing/gtest/include/gtest/gtest.h"
 #include "third_party/skia/include/core/SkFontMgr.h"
 #include "third_party/skia/include/core/SkRefCnt.h"
 #include "third_party/skia/include/core/SkStream.h"
 #include "third_party/skia/include/core/SkString.h"
 #include "third_party/skia/include/core/SkTypeface.h"
 #include "third_party/skia/include/ports/SkTypeface_win.h"

 namespace mswr = Microsoft::WRL;

 namespace content {

 namespace {

 class GDIFontEmulationTest : public testing::Test {
  public:
   GDIFontEmulationTest() {
     fake_collection_ = std::make_unique<FakeFontCollection>();
     SetupFonts(fake_collection_.get());
     DWriteFontCollectionProxy::Create(&collection_, factory.Get(),
                                       fake_collection_->CreatePtr());
     EXPECT_TRUE(collection_.Get());

     content::SetPreSandboxWarmupFontMgrForTesting(
         SkFontMgr_New_DirectWrite(factory.Get(), collection_.Get()));
   }

   ~GDIFontEmulationTest() override {
     content::SetPreSandboxWarmupFontMgrForTesting(nullptr);

     if (collection_)
       collection_->Unregister();
   }

   static void SetupFonts(FakeFontCollection* fonts) {
     base::FilePath data_path;
     EXPECT_TRUE(base::PathService::Get(content::DIR_TEST_DATA, &data_path));

     base::FilePath gdi_path = data_path.AppendASCII("font/gdi_test.ttf");
     fonts->AddFont(L"GDITest")
         .AddFamilyName(L"en-us", L"GDITest")
         .AddFamilyName(L"de-de", L"GDIUntersuchung")
         .AddFilePath(gdi_path);
   }

   static void SetUpTestCase() {
     DWriteCreateFactory(DWRITE_FACTORY_TYPE_SHARED, __uuidof(IDWriteFactory),
                         &factory);
   }

  protected:
   base::test::TaskEnvironment task_environment;
   std::unique_ptr<FakeFontCollection> fake_collection_;
   mswr::ComPtr<DWriteFontCollectionProxy> collection_;

   static mswr::ComPtr<IDWriteFactory> factory;
 };
 mswr::ComPtr<IDWriteFactory> GDIFontEmulationTest::factory;

 // The test fixture will provide a font named "GDITest".
 const wchar_t* kTestFontFamilyW = L"GDITest";

 // The "GDITest" font will have an 'hhea' table (all ttf fonts do).
 const DWORD kTestFontTableTag = DWRITE_MAKE_OPENTYPE_TAG('h', 'h', 'e', 'a');

 // The 'hhea' table will be of length 36 (all 'hhea' tables do).
 const size_t kTestFontTableDataLength = 36;

 // The 'hhea' table will contain this content (specific to this font).
 const uint8_t kTestFontTableData[kTestFontTableDataLength] = {
     0x00, 0x01, 0x00, 0x00, 0x03, 0x34, 0xFF, 0x33, 0x00, 0x5e, 0x04, 0x00,
     0x00, 0x00, 0x00, 0x00, 0x04, 0x00, 0x00, 0x01, 0x00, 0x00, 0x00, 0x00,
     0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x03};

 // The test fixture will not provide a font names "InvalidFont".
 const wchar_t* kTestFontFamilyInvalid = L"InvalidFont";

 void InitLogFont(LOGFONTW* logfont, const wchar_t* fontname) {
   size_t length = std::min(sizeof(logfont->lfFaceName),
                            (wcslen(fontname) + 1) * sizeof(wchar_t));
   memcpy(logfont->lfFaceName, fontname, length);
 }

 content::GdiFontPatchData* SetupTest() {
   HMODULE module_handle;
   if (GetModuleHandleExW(GET_MODULE_HANDLE_EX_FLAG_FROM_ADDRESS,
                          reinterpret_cast<LPCWSTR>(SetupTest),
                          &module_handle)) {
     WCHAR module_path[MAX_PATH];

     if (GetModuleFileNameW(module_handle, module_path, MAX_PATH) > 0) {
       base::FilePath path(module_path);
       content::ResetEmulatedGdiHandlesForTesting();
       return content::PatchGdiFontEnumeration(path);
     }
   }
   return nullptr;
 }

 int CALLBACK EnumFontCallbackTest(const LOGFONT* log_font,
                                   const TEXTMETRIC* text_metric,
                                   DWORD font_type,
                                   LPARAM param) {
   const NEWTEXTMETRICEX* new_text_metric =
       reinterpret_cast<const NEWTEXTMETRICEX*>(text_metric);

   return !(font_type & TRUETYPE_FONTTYPE) &&
          !(new_text_metric->ntmTm.ntmFlags & NTM_PS_OPENTYPE);
 }

 }  // namespace

 TEST_F(GDIFontEmulationTest, CreateDeleteDCSuccess) {
   if (base::win::GetVersion() < base::win::Version::WIN8)
     return;
   std::unique_ptr<GdiFontPatchData> patch_data(SetupTest());
   EXPECT_FALSE(!patch_data);

   HDC hdc = CreateCompatibleDC(0);
   EXPECT_NE(hdc, nullptr);
   EXPECT_EQ(1u, GetEmulatedGdiHandleCountForTesting());
   EXPECT_TRUE(DeleteDC(hdc));
   EXPECT_EQ(0u, GetEmulatedGdiHandleCountForTesting());
 }

 TEST_F(GDIFontEmulationTest, CreateUniqueDCSuccess) {
   if (base::win::GetVersion() < base::win::Version::WIN8)
     return;
   std::unique_ptr<GdiFontPatchData> patch_data(SetupTest());
   EXPECT_NE(patch_data, nullptr);

   HDC hdc1 = CreateCompatibleDC(0);
   EXPECT_NE(hdc1, nullptr);
   HDC hdc2 = CreateCompatibleDC(0);
   EXPECT_NE(hdc2, nullptr);
   EXPECT_NE(hdc1, hdc2);
   EXPECT_TRUE(DeleteDC(hdc2));
   EXPECT_EQ(1u, GetEmulatedGdiHandleCountForTesting());
   EXPECT_TRUE(DeleteDC(hdc1));
   EXPECT_EQ(0u, GetEmulatedGdiHandleCountForTesting());
 }

 TEST_F(GDIFontEmulationTest, CreateFontSuccess) {
   if (base::win::GetVersion() < base::win::Version::WIN8)
     return;
   std::unique_ptr<GdiFontPatchData> patch_data(SetupTest());
   EXPECT_NE(patch_data, nullptr);
   LOGFONTW logfont = {0};
   InitLogFont(&logfont, kTestFontFamilyW);
   HFONT font = CreateFontIndirectW(&logfont);
   EXPECT_NE(font, nullptr);
   EXPECT_TRUE(DeleteObject(font));
   EXPECT_EQ(0u, GetEmulatedGdiHandleCountForTesting());
 }

 TEST_F(GDIFontEmulationTest, CreateFontFailure) {
   if (base::win::GetVersion() < base::win::Version::WIN8)
     return;
   std::unique_ptr<GdiFontPatchData> patch_data(SetupTest());
   EXPECT_NE(patch_data, nullptr);
   LOGFONTW logfont = {0};
   InitLogFont(&logfont, kTestFontFamilyInvalid);
   HFONT font = CreateFontIndirectW(&logfont);
   EXPECT_EQ(font, nullptr);
 }

 TEST_F(GDIFontEmulationTest, EnumFontFamilySuccess) {
   if (base::win::GetVersion() < base::win::Version::WIN8)
     return;
   std::unique_ptr<GdiFontPatchData> patch_data(SetupTest());
   EXPECT_NE(patch_data, nullptr);
   HDC hdc = CreateCompatibleDC(0);
   EXPECT_NE(hdc, nullptr);
   LOGFONTW logfont = {0};
   InitLogFont(&logfont, kTestFontFamilyW);
   int res = EnumFontFamiliesExW(hdc, &logfont, EnumFontCallbackTest, 0, 0);
   EXPECT_FALSE(res);
   EXPECT_TRUE(DeleteDC(hdc));
 }

 TEST_F(GDIFontEmulationTest, EnumFontFamilyFailure) {
   if (base::win::GetVersion() < base::win::Version::WIN8)
     return;
   std::unique_ptr<GdiFontPatchData> patch_data(SetupTest());
   EXPECT_NE(patch_data, nullptr);
   HDC hdc = CreateCompatibleDC(0);
   EXPECT_NE(hdc, nullptr);
   LOGFONTW logfont = {0};
   InitLogFont(&logfont, kTestFontFamilyInvalid);
   int res = EnumFontFamiliesExW(hdc, &logfont, EnumFontCallbackTest, 0, 0);
   EXPECT_TRUE(res);
   EXPECT_TRUE(DeleteDC(hdc));
 }

 TEST_F(GDIFontEmulationTest, DeleteDCFailure) {
   if (base::win::GetVersion() < base::win::Version::WIN8)
     return;
   std::unique_ptr<GdiFontPatchData> patch_data(SetupTest());
   EXPECT_NE(patch_data, nullptr);
   HDC hdc = reinterpret_cast<HDC>(0x55667788);
   EXPECT_FALSE(DeleteDC(hdc));
 }

 TEST_F(GDIFontEmulationTest, DeleteObjectFailure) {
   if (base::win::GetVersion() < base::win::Version::WIN8)
     return;
   std::unique_ptr<GdiFontPatchData> patch_data(SetupTest());
   EXPECT_NE(patch_data, nullptr);
   HFONT font = reinterpret_cast<HFONT>(0x88aabbcc);
   EXPECT_FALSE(DeleteObject(font));
 }

 TEST_F(GDIFontEmulationTest, GetFontDataSizeSuccess) {
   if (base::win::GetVersion() < base::win::Version::WIN8)
     return;
   std::unique_ptr<GdiFontPatchData> patch_data(SetupTest());
   EXPECT_NE(patch_data, nullptr);
   HDC hdc = CreateCompatibleDC(0);
   EXPECT_NE(hdc, nullptr);
   LOGFONTW logfont = {0};
   InitLogFont(&logfont, kTestFontFamilyW);
   HFONT font = CreateFontIndirectW(&logfont);
   EXPECT_NE(font, nullptr);
   EXPECT_EQ(SelectObject(hdc, font), nullptr);
   DWORD size = GetFontData(hdc, kTestFontTableTag, 0, nullptr, 0);
   DWORD data_size = static_cast<DWORD>(kTestFontTableDataLength);
   EXPECT_EQ(size, data_size);
   EXPECT_TRUE(DeleteObject(font));
   EXPECT_TRUE(DeleteDC(hdc));
 }

 TEST_F(GDIFontEmulationTest, GetFontDataInvalidTagSuccess) {
   if (base::win::GetVersion() < base::win::Version::WIN8)
     return;
   std::unique_ptr<GdiFontPatchData> patch_data(SetupTest());
   EXPECT_NE(patch_data, nullptr);
   HDC hdc = CreateCompatibleDC(0);
   EXPECT_NE(hdc, nullptr);
   LOGFONTW logfont = {0};
   InitLogFont(&logfont, kTestFontFamilyW);
   HFONT font = CreateFontIndirectW(&logfont);
   EXPECT_NE(font, nullptr);
   EXPECT_EQ(SelectObject(hdc, font), nullptr);
   DWORD size = GetFontData(hdc, kTestFontTableTag + 1, 0, nullptr, 0);
   EXPECT_EQ(size, GDI_ERROR);
   EXPECT_TRUE(DeleteObject(font));
   EXPECT_TRUE(DeleteDC(hdc));
 }

 TEST_F(GDIFontEmulationTest, GetFontDataInvalidFontSuccess) {
   if (base::win::GetVersion() < base::win::Version::WIN8)
     return;
   std::unique_ptr<GdiFontPatchData> patch_data(SetupTest());
   EXPECT_NE(patch_data, nullptr);
   HDC hdc = CreateCompatibleDC(0);
   EXPECT_NE(hdc, nullptr);
   DWORD size = GetFontData(hdc, kTestFontTableTag, 0, nullptr, 0);
   EXPECT_EQ(size, GDI_ERROR);
   EXPECT_TRUE(DeleteDC(hdc));
 }

 TEST_F(GDIFontEmulationTest, GetFontDataDataSuccess) {
   if (base::win::GetVersion() < base::win::Version::WIN8)
     return;
   std::unique_ptr<GdiFontPatchData> patch_data(SetupTest());
   EXPECT_NE(patch_data, nullptr);
   HDC hdc = CreateCompatibleDC(0);
   EXPECT_NE(hdc, nullptr);
   LOGFONTW logfont = {0};
   InitLogFont(&logfont, kTestFontFamilyW);
   HFONT font = CreateFontIndirectW(&logfont);
   EXPECT_NE(font, nullptr);
   EXPECT_EQ(SelectObject(hdc, font), nullptr);
   DWORD data_size = static_cast<DWORD>(kTestFontTableDataLength);
   std::vector<char> data(data_size);
   DWORD size = GetFontData(hdc, kTestFontTableTag, 0, &data[0], data.size());
   EXPECT_EQ(size, data_size);
   EXPECT_EQ(memcmp(&data[0], kTestFontTableData, data.size()), 0);
   EXPECT_TRUE(DeleteObject(font));
   EXPECT_TRUE(DeleteDC(hdc));
 }

 }  // 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/child/font_warmup_win.h"

	#include <dwrite.h>
	#include <stddef.h>
	#include <stdint.h>
	#include <windows.h>
	#include <wrl.h>

	#include <memory>
	#include <vector>

	#include "base/files/file_path.h"
	#include "base/logging.h"
	#include "base/path_service.h"
	#include "base/sys_byteorder.h"
	#include "base/test/scoped_task_environment.h"
	#include "base/win/windows_version.h"

	#include "content/child/dwrite_font_proxy/dwrite_font_proxy_win.h"
	#include "content/public/common/content_paths.h"
	#include "content/test/dwrite_font_fake_sender_win.h"
	#include "testing/gtest/include/gtest/gtest.h"
	#include "third_party/skia/include/core/SkFontMgr.h"
	#include "third_party/skia/include/core/SkRefCnt.h"
	#include "third_party/skia/include/core/SkStream.h"
	#include "third_party/skia/include/core/SkString.h"
	#include "third_party/skia/include/core/SkTypeface.h"
	#include "third_party/skia/include/ports/SkTypeface_win.h"

	namespace mswr = Microsoft::WRL;

	namespace content {

	namespace {

	class GDIFontEmulationTest : public testing::Test {
	public:
	GDIFontEmulationTest() {
	fake_collection_ = std::make_unique<FakeFontCollection>();
	SetupFonts(fake_collection_.get());
	DWriteFontCollectionProxy::Create(&collection_, factory.Get(),
	fake_collection_->CreatePtr());
	EXPECT_TRUE(collection_.Get());

	content::SetPreSandboxWarmupFontMgrForTesting(
	SkFontMgr_New_DirectWrite(factory.Get(), collection_.Get()));
	}

	~GDIFontEmulationTest() override {
	content::SetPreSandboxWarmupFontMgrForTesting(nullptr);

	if (collection_)
	collection_->Unregister();
	}

	static void SetupFonts(FakeFontCollection* fonts) {
	base::FilePath data_path;
	EXPECT_TRUE(base::PathService::Get(content::DIR_TEST_DATA, &data_path));

	base::FilePath gdi_path = data_path.AppendASCII("font/gdi_test.ttf");
	fonts->AddFont(L"GDITest")
	.AddFamilyName(L"en-us", L"GDITest")
	.AddFamilyName(L"de-de", L"GDIUntersuchung")
	.AddFilePath(gdi_path);
	}

	static void SetUpTestCase() {
	DWriteCreateFactory(DWRITE_FACTORY_TYPE_SHARED, __uuidof(IDWriteFactory),
	&factory);
	}

	protected:
	base::test::TaskEnvironment task_environment;
	std::unique_ptr<FakeFontCollection> fake_collection_;
	mswr::ComPtr<DWriteFontCollectionProxy> collection_;

	static mswr::ComPtr<IDWriteFactory> factory;
	};
	mswr::ComPtr<IDWriteFactory> GDIFontEmulationTest::factory;

	// The test fixture will provide a font named "GDITest".
	const wchar_t* kTestFontFamilyW = L"GDITest";

	// The "GDITest" font will have an 'hhea' table (all ttf fonts do).
	const DWORD kTestFontTableTag = DWRITE_MAKE_OPENTYPE_TAG('h', 'h', 'e', 'a');

	// The 'hhea' table will be of length 36 (all 'hhea' tables do).
	const size_t kTestFontTableDataLength = 36;

	// The 'hhea' table will contain this content (specific to this font).
	const uint8_t kTestFontTableData[kTestFontTableDataLength] = {
	0x00, 0x01, 0x00, 0x00, 0x03, 0x34, 0xFF, 0x33, 0x00, 0x5e, 0x04, 0x00,
	0x00, 0x00, 0x00, 0x00, 0x04, 0x00, 0x00, 0x01, 0x00, 0x00, 0x00, 0x00,
	0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x03};

	// The test fixture will not provide a font names "InvalidFont".
	const wchar_t* kTestFontFamilyInvalid = L"InvalidFont";

	void InitLogFont(LOGFONTW* logfont, const wchar_t* fontname) {
	size_t length = std::min(sizeof(logfont->lfFaceName),
	(wcslen(fontname) + 1) * sizeof(wchar_t));
	memcpy(logfont->lfFaceName, fontname, length);
	}

	content::GdiFontPatchData* SetupTest() {
	HMODULE module_handle;
	if (GetModuleHandleExW(GET_MODULE_HANDLE_EX_FLAG_FROM_ADDRESS,
	reinterpret_cast<LPCWSTR>(SetupTest),
	&module_handle)) {
	WCHAR module_path[MAX_PATH];

	if (GetModuleFileNameW(module_handle, module_path, MAX_PATH) > 0) {
	base::FilePath path(module_path);
	content::ResetEmulatedGdiHandlesForTesting();
	return content::PatchGdiFontEnumeration(path);
	}
	}
	return nullptr;
	}

	int CALLBACK EnumFontCallbackTest(const LOGFONT* log_font,
	const TEXTMETRIC* text_metric,
	DWORD font_type,
	LPARAM param) {
	const NEWTEXTMETRICEX* new_text_metric =
	reinterpret_cast<const NEWTEXTMETRICEX*>(text_metric);

	return !(font_type & TRUETYPE_FONTTYPE) &&
	!(new_text_metric->ntmTm.ntmFlags & NTM_PS_OPENTYPE);
	}

	} // namespace

	TEST_F(GDIFontEmulationTest, CreateDeleteDCSuccess) {
	if (base::win::GetVersion() < base::win::Version::WIN8)
	return;
	std::unique_ptr<GdiFontPatchData> patch_data(SetupTest());
	EXPECT_FALSE(!patch_data);

	HDC hdc = CreateCompatibleDC(0);
	EXPECT_NE(hdc, nullptr);
	EXPECT_EQ(1u, GetEmulatedGdiHandleCountForTesting());
	EXPECT_TRUE(DeleteDC(hdc));
	EXPECT_EQ(0u, GetEmulatedGdiHandleCountForTesting());
	}

	TEST_F(GDIFontEmulationTest, CreateUniqueDCSuccess) {
	if (base::win::GetVersion() < base::win::Version::WIN8)
	return;
	std::unique_ptr<GdiFontPatchData> patch_data(SetupTest());
	EXPECT_NE(patch_data, nullptr);

	HDC hdc1 = CreateCompatibleDC(0);
	EXPECT_NE(hdc1, nullptr);
	HDC hdc2 = CreateCompatibleDC(0);
	EXPECT_NE(hdc2, nullptr);
	EXPECT_NE(hdc1, hdc2);
	EXPECT_TRUE(DeleteDC(hdc2));
	EXPECT_EQ(1u, GetEmulatedGdiHandleCountForTesting());
	EXPECT_TRUE(DeleteDC(hdc1));
	EXPECT_EQ(0u, GetEmulatedGdiHandleCountForTesting());
	}

	TEST_F(GDIFontEmulationTest, CreateFontSuccess) {
	if (base::win::GetVersion() < base::win::Version::WIN8)
	return;
	std::unique_ptr<GdiFontPatchData> patch_data(SetupTest());
	EXPECT_NE(patch_data, nullptr);
	LOGFONTW logfont = {0};
	InitLogFont(&logfont, kTestFontFamilyW);
	HFONT font = CreateFontIndirectW(&logfont);
	EXPECT_NE(font, nullptr);
	EXPECT_TRUE(DeleteObject(font));
	EXPECT_EQ(0u, GetEmulatedGdiHandleCountForTesting());
	}

	TEST_F(GDIFontEmulationTest, CreateFontFailure) {
	if (base::win::GetVersion() < base::win::Version::WIN8)
	return;
	std::unique_ptr<GdiFontPatchData> patch_data(SetupTest());
	EXPECT_NE(patch_data, nullptr);
	LOGFONTW logfont = {0};
	InitLogFont(&logfont, kTestFontFamilyInvalid);
	HFONT font = CreateFontIndirectW(&logfont);
	EXPECT_EQ(font, nullptr);
	}

	TEST_F(GDIFontEmulationTest, EnumFontFamilySuccess) {
	if (base::win::GetVersion() < base::win::Version::WIN8)
	return;
	std::unique_ptr<GdiFontPatchData> patch_data(SetupTest());
	EXPECT_NE(patch_data, nullptr);
	HDC hdc = CreateCompatibleDC(0);
	EXPECT_NE(hdc, nullptr);
	LOGFONTW logfont = {0};
	InitLogFont(&logfont, kTestFontFamilyW);
	int res = EnumFontFamiliesExW(hdc, &logfont, EnumFontCallbackTest, 0, 0);
	EXPECT_FALSE(res);
	EXPECT_TRUE(DeleteDC(hdc));
	}

	TEST_F(GDIFontEmulationTest, EnumFontFamilyFailure) {
	if (base::win::GetVersion() < base::win::Version::WIN8)
	return;
	std::unique_ptr<GdiFontPatchData> patch_data(SetupTest());
	EXPECT_NE(patch_data, nullptr);
	HDC hdc = CreateCompatibleDC(0);
	EXPECT_NE(hdc, nullptr);
	LOGFONTW logfont = {0};
	InitLogFont(&logfont, kTestFontFamilyInvalid);
	int res = EnumFontFamiliesExW(hdc, &logfont, EnumFontCallbackTest, 0, 0);
	EXPECT_TRUE(res);
	EXPECT_TRUE(DeleteDC(hdc));
	}

	TEST_F(GDIFontEmulationTest, DeleteDCFailure) {
	if (base::win::GetVersion() < base::win::Version::WIN8)
	return;
	std::unique_ptr<GdiFontPatchData> patch_data(SetupTest());
	EXPECT_NE(patch_data, nullptr);
	HDC hdc = reinterpret_cast<HDC>(0x55667788);
	EXPECT_FALSE(DeleteDC(hdc));
	}

	TEST_F(GDIFontEmulationTest, DeleteObjectFailure) {
	if (base::win::GetVersion() < base::win::Version::WIN8)
	return;
	std::unique_ptr<GdiFontPatchData> patch_data(SetupTest());
	EXPECT_NE(patch_data, nullptr);
	HFONT font = reinterpret_cast<HFONT>(0x88aabbcc);
	EXPECT_FALSE(DeleteObject(font));
	}

	TEST_F(GDIFontEmulationTest, GetFontDataSizeSuccess) {
	if (base::win::GetVersion() < base::win::Version::WIN8)
	return;
	std::unique_ptr<GdiFontPatchData> patch_data(SetupTest());
	EXPECT_NE(patch_data, nullptr);
	HDC hdc = CreateCompatibleDC(0);
	EXPECT_NE(hdc, nullptr);
	LOGFONTW logfont = {0};
	InitLogFont(&logfont, kTestFontFamilyW);
	HFONT font = CreateFontIndirectW(&logfont);
	EXPECT_NE(font, nullptr);
	EXPECT_EQ(SelectObject(hdc, font), nullptr);
	DWORD size = GetFontData(hdc, kTestFontTableTag, 0, nullptr, 0);
	DWORD data_size = static_cast<DWORD>(kTestFontTableDataLength);
	EXPECT_EQ(size, data_size);
	EXPECT_TRUE(DeleteObject(font));
	EXPECT_TRUE(DeleteDC(hdc));
	}

	TEST_F(GDIFontEmulationTest, GetFontDataInvalidTagSuccess) {
	if (base::win::GetVersion() < base::win::Version::WIN8)
	return;
	std::unique_ptr<GdiFontPatchData> patch_data(SetupTest());
	EXPECT_NE(patch_data, nullptr);
	HDC hdc = CreateCompatibleDC(0);
	EXPECT_NE(hdc, nullptr);
	LOGFONTW logfont = {0};
	InitLogFont(&logfont, kTestFontFamilyW);
	HFONT font = CreateFontIndirectW(&logfont);
	EXPECT_NE(font, nullptr);
	EXPECT_EQ(SelectObject(hdc, font), nullptr);
	DWORD size = GetFontData(hdc, kTestFontTableTag + 1, 0, nullptr, 0);
	EXPECT_EQ(size, GDI_ERROR);
	EXPECT_TRUE(DeleteObject(font));
	EXPECT_TRUE(DeleteDC(hdc));
	}

	TEST_F(GDIFontEmulationTest, GetFontDataInvalidFontSuccess) {
	if (base::win::GetVersion() < base::win::Version::WIN8)
	return;
	std::unique_ptr<GdiFontPatchData> patch_data(SetupTest());
	EXPECT_NE(patch_data, nullptr);
	HDC hdc = CreateCompatibleDC(0);
	EXPECT_NE(hdc, nullptr);
	DWORD size = GetFontData(hdc, kTestFontTableTag, 0, nullptr, 0);
	EXPECT_EQ(size, GDI_ERROR);
	EXPECT_TRUE(DeleteDC(hdc));
	}

	TEST_F(GDIFontEmulationTest, GetFontDataDataSuccess) {
	if (base::win::GetVersion() < base::win::Version::WIN8)
	return;
	std::unique_ptr<GdiFontPatchData> patch_data(SetupTest());
	EXPECT_NE(patch_data, nullptr);
	HDC hdc = CreateCompatibleDC(0);
	EXPECT_NE(hdc, nullptr);
	LOGFONTW logfont = {0};
	InitLogFont(&logfont, kTestFontFamilyW);
	HFONT font = CreateFontIndirectW(&logfont);
	EXPECT_NE(font, nullptr);
	EXPECT_EQ(SelectObject(hdc, font), nullptr);
	DWORD data_size = static_cast<DWORD>(kTestFontTableDataLength);
	std::vector<char> data(data_size);
	DWORD size = GetFontData(hdc, kTestFontTableTag, 0, &data[0], data.size());
	EXPECT_EQ(size, data_size);
	EXPECT_EQ(memcmp(&data[0], kTestFontTableData, data.size()), 0);
	EXPECT_TRUE(DeleteObject(font));
	EXPECT_TRUE(DeleteDC(hdc));
	}

	} // namespace content