blob: 4acf863c643f7fd9dc8ff2a1f828bfed54aef2c0 [file] [log] [blame]
// Copyright (c) 2012 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/base/resource/resource_bundle.h"
#include "base/base_paths.h"
#include "base/big_endian.h"
#include "base/files/file_path.h"
#include "base/files/file_util.h"
#include "base/files/scoped_temp_dir.h"
#include "base/logging.h"
#include "base/memory/ref_counted_memory.h"
#include "base/strings/utf_string_conversions.h"
#include "testing/gmock/include/gmock/gmock.h"
#include "testing/gtest/include/gtest/gtest.h"
#include "third_party/skia/include/core/SkBitmap.h"
#include "ui/base/layout.h"
#include "ui/base/resource/data_pack.h"
#include "ui/gfx/codec/png_codec.h"
#include "ui/gfx/image/image_skia.h"
#include "ui/resources/grit/ui_resources.h"
#if defined(OS_WIN)
#include "ui/gfx/win/dpi.h"
#endif
using ::testing::_;
using ::testing::Between;
using ::testing::Property;
using ::testing::Return;
using ::testing::ReturnArg;
namespace ui {
extern const char kSamplePakContents[];
extern const size_t kSamplePakSize;
extern const char kSamplePakContents2x[];
extern const size_t kSamplePakSize2x;
extern const char kEmptyPakContents[];
extern const size_t kEmptyPakSize;
namespace {
const unsigned char kPngMagic[8] = { 0x89, 'P', 'N', 'G', 13, 10, 26, 10 };
const size_t kPngChunkMetadataSize = 12;
const unsigned char kPngIHDRChunkType[4] = { 'I', 'H', 'D', 'R' };
// Custom chunk that GRIT adds to PNG to indicate that it could not find a
// bitmap at the requested scale factor and fell back to 1x.
const unsigned char kPngScaleChunk[12] = { 0x00, 0x00, 0x00, 0x00,
'c', 's', 'C', 'l',
0xc1, 0x30, 0x60, 0x4d };
// Mock for the ResourceBundle::Delegate class.
class MockResourceBundleDelegate : public ui::ResourceBundle::Delegate {
public:
MockResourceBundleDelegate() {
}
virtual ~MockResourceBundleDelegate() {
}
MOCK_METHOD2(GetPathForResourcePack, base::FilePath(
const base::FilePath& pack_path, ui::ScaleFactor scale_factor));
MOCK_METHOD2(GetPathForLocalePack, base::FilePath(
const base::FilePath& pack_path, const std::string& locale));
MOCK_METHOD1(GetImageNamed, gfx::Image(int resource_id));
MOCK_METHOD2(GetNativeImageNamed,
gfx::Image(int resource_id,
ui::ResourceBundle::ImageRTL rtl));
MOCK_METHOD2(LoadDataResourceBytes,
base::RefCountedStaticMemory*(int resource_id,
ui::ScaleFactor scale_factor));
MOCK_METHOD2(GetRawDataResourceMock, base::StringPiece(
int resource_id,
ui::ScaleFactor scale_factor));
virtual bool GetRawDataResource(int resource_id,
ui::ScaleFactor scale_factor,
base::StringPiece* value) override {
*value = GetRawDataResourceMock(resource_id, scale_factor);
return true;
}
MOCK_METHOD1(GetLocalizedStringMock, base::string16(int message_id));
virtual bool GetLocalizedString(int message_id,
base::string16* value) override {
*value = GetLocalizedStringMock(message_id);
return true;
}
MOCK_METHOD1(GetFontMock,
gfx::Font*(ui::ResourceBundle::FontStyle style));
virtual scoped_ptr<gfx::Font> GetFont(
ui::ResourceBundle::FontStyle style) override {
return scoped_ptr<gfx::Font>(GetFontMock(style));
}
};
// Returns |bitmap_data| with |custom_chunk| inserted after the IHDR chunk.
void AddCustomChunk(const base::StringPiece& custom_chunk,
std::vector<unsigned char>* bitmap_data) {
EXPECT_LT(arraysize(kPngMagic) + kPngChunkMetadataSize, bitmap_data->size());
EXPECT_TRUE(std::equal(
bitmap_data->begin(),
bitmap_data->begin() + arraysize(kPngMagic),
kPngMagic));
std::vector<unsigned char>::iterator ihdr_start =
bitmap_data->begin() + arraysize(kPngMagic);
char ihdr_length_data[sizeof(uint32)];
for (size_t i = 0; i < sizeof(uint32); ++i)
ihdr_length_data[i] = *(ihdr_start + i);
uint32 ihdr_chunk_length = 0;
base::ReadBigEndian(reinterpret_cast<char*>(ihdr_length_data),
&ihdr_chunk_length);
EXPECT_TRUE(std::equal(
ihdr_start + sizeof(uint32),
ihdr_start + sizeof(uint32) + sizeof(kPngIHDRChunkType),
kPngIHDRChunkType));
bitmap_data->insert(ihdr_start + kPngChunkMetadataSize + ihdr_chunk_length,
custom_chunk.begin(), custom_chunk.end());
}
// Creates datapack at |path| with a single bitmap at resource ID 3
// which is |edge_size|x|edge_size| pixels.
// If |custom_chunk| is non empty, adds it after the IHDR chunk
// in the encoded bitmap data.
void CreateDataPackWithSingleBitmap(const base::FilePath& path,
int edge_size,
const base::StringPiece& custom_chunk) {
SkBitmap bitmap;
bitmap.allocN32Pixels(edge_size, edge_size);
bitmap.eraseColor(SK_ColorWHITE);
std::vector<unsigned char> bitmap_data;
EXPECT_TRUE(gfx::PNGCodec::EncodeBGRASkBitmap(bitmap, false, &bitmap_data));
if (custom_chunk.size() > 0)
AddCustomChunk(custom_chunk, &bitmap_data);
std::map<uint16, base::StringPiece> resources;
resources[3u] = base::StringPiece(
reinterpret_cast<const char*>(&bitmap_data[0]), bitmap_data.size());
DataPack::WritePack(path, resources, ui::DataPack::BINARY);
}
} // namespace
class ResourceBundleTest : public testing::Test {
public:
ResourceBundleTest() : resource_bundle_(NULL) {
}
~ResourceBundleTest() override {}
// Overridden from testing::Test:
void TearDown() override { delete resource_bundle_; }
// Returns new ResoureBundle with the specified |delegate|. The
// ResourceBundleTest class manages the lifetime of the returned
// ResourceBundle.
ResourceBundle* CreateResourceBundle(ResourceBundle::Delegate* delegate) {
DCHECK(!resource_bundle_);
resource_bundle_ = new ResourceBundle(delegate);
return resource_bundle_;
}
protected:
ResourceBundle* resource_bundle_;
private:
DISALLOW_COPY_AND_ASSIGN(ResourceBundleTest);
};
TEST_F(ResourceBundleTest, DelegateGetPathForResourcePack) {
MockResourceBundleDelegate delegate;
ResourceBundle* resource_bundle = CreateResourceBundle(&delegate);
base::FilePath pack_path(FILE_PATH_LITERAL("/path/to/test_path.pak"));
ui::ScaleFactor pack_scale_factor = ui::SCALE_FACTOR_200P;
EXPECT_CALL(delegate,
GetPathForResourcePack(
Property(&base::FilePath::value, pack_path.value()),
pack_scale_factor))
.Times(1)
.WillOnce(Return(pack_path));
resource_bundle->AddDataPackFromPath(pack_path, pack_scale_factor);
}
#if defined(OS_LINUX)
// Fails consistently on Linux: crbug.com/161902
#define MAYBE_DelegateGetPathForLocalePack DISABLED_DelegateGetPathForLocalePack
#else
#define MAYBE_DelegateGetPathForLocalePack DelegateGetPathForLocalePack
#endif
TEST_F(ResourceBundleTest, MAYBE_DelegateGetPathForLocalePack) {
MockResourceBundleDelegate delegate;
ResourceBundle* resource_bundle = CreateResourceBundle(&delegate);
std::string locale = "en-US";
// Cancel the load.
EXPECT_CALL(delegate, GetPathForLocalePack(_, locale))
.Times(2)
.WillRepeatedly(Return(base::FilePath()))
.RetiresOnSaturation();
EXPECT_FALSE(resource_bundle->LocaleDataPakExists(locale));
EXPECT_EQ("", resource_bundle->LoadLocaleResources(locale));
// Allow the load to proceed.
EXPECT_CALL(delegate, GetPathForLocalePack(_, locale))
.Times(2)
.WillRepeatedly(ReturnArg<0>());
EXPECT_TRUE(resource_bundle->LocaleDataPakExists(locale));
EXPECT_EQ(locale, resource_bundle->LoadLocaleResources(locale));
}
TEST_F(ResourceBundleTest, DelegateGetImageNamed) {
MockResourceBundleDelegate delegate;
ResourceBundle* resource_bundle = CreateResourceBundle(&delegate);
gfx::Image empty_image = resource_bundle->GetEmptyImage();
int resource_id = 5;
EXPECT_CALL(delegate, GetImageNamed(resource_id))
.Times(1)
.WillOnce(Return(empty_image));
gfx::Image result = resource_bundle->GetImageNamed(resource_id);
EXPECT_EQ(empty_image.ToSkBitmap(), result.ToSkBitmap());
}
TEST_F(ResourceBundleTest, DelegateGetNativeImageNamed) {
MockResourceBundleDelegate delegate;
ResourceBundle* resource_bundle = CreateResourceBundle(&delegate);
gfx::Image empty_image = resource_bundle->GetEmptyImage();
int resource_id = 5;
// Some platforms delegate GetNativeImageNamed calls to GetImageNamed.
EXPECT_CALL(delegate, GetImageNamed(resource_id))
.Times(Between(0, 1))
.WillOnce(Return(empty_image));
EXPECT_CALL(delegate,
GetNativeImageNamed(resource_id, ui::ResourceBundle::RTL_DISABLED))
.Times(Between(0, 1))
.WillOnce(Return(empty_image));
gfx::Image result = resource_bundle->GetNativeImageNamed(resource_id);
EXPECT_EQ(empty_image.ToSkBitmap(), result.ToSkBitmap());
}
TEST_F(ResourceBundleTest, DelegateLoadDataResourceBytes) {
MockResourceBundleDelegate delegate;
ResourceBundle* resource_bundle = CreateResourceBundle(&delegate);
// Create the data resource for testing purposes.
unsigned char data[] = "My test data";
scoped_refptr<base::RefCountedStaticMemory> static_memory(
new base::RefCountedStaticMemory(data, sizeof(data)));
int resource_id = 5;
ui::ScaleFactor scale_factor = ui::SCALE_FACTOR_NONE;
EXPECT_CALL(delegate, LoadDataResourceBytes(resource_id, scale_factor))
.Times(1).WillOnce(Return(static_memory.get()));
scoped_refptr<base::RefCountedStaticMemory> result =
resource_bundle->LoadDataResourceBytesForScale(resource_id, scale_factor);
EXPECT_EQ(static_memory, result);
}
TEST_F(ResourceBundleTest, DelegateGetRawDataResource) {
MockResourceBundleDelegate delegate;
ResourceBundle* resource_bundle = CreateResourceBundle(&delegate);
// Create the string piece for testing purposes.
char data[] = "My test data";
base::StringPiece string_piece(data);
int resource_id = 5;
EXPECT_CALL(delegate, GetRawDataResourceMock(
resource_id, ui::SCALE_FACTOR_NONE))
.Times(1)
.WillOnce(Return(string_piece));
base::StringPiece result = resource_bundle->GetRawDataResource(
resource_id);
EXPECT_EQ(string_piece.data(), result.data());
}
TEST_F(ResourceBundleTest, DelegateGetLocalizedString) {
MockResourceBundleDelegate delegate;
ResourceBundle* resource_bundle = CreateResourceBundle(&delegate);
base::string16 data = base::ASCIIToUTF16("My test data");
int resource_id = 5;
EXPECT_CALL(delegate, GetLocalizedStringMock(resource_id))
.Times(1)
.WillOnce(Return(data));
base::string16 result = resource_bundle->GetLocalizedString(resource_id);
EXPECT_EQ(data, result);
}
TEST_F(ResourceBundleTest, OverrideStringResource) {
ResourceBundle* resource_bundle = CreateResourceBundle(NULL);
base::string16 data = base::ASCIIToUTF16("My test data");
int resource_id = 5;
base::string16 result = resource_bundle->GetLocalizedString(resource_id);
EXPECT_EQ(base::string16(), result);
resource_bundle->OverrideLocaleStringResource(resource_id, data);
result = resource_bundle->GetLocalizedString(resource_id);
EXPECT_EQ(data, result);
}
TEST_F(ResourceBundleTest, DelegateGetLocalizedStringWithOverride) {
MockResourceBundleDelegate delegate;
ResourceBundle* resource_bundle = CreateResourceBundle(&delegate);
base::string16 delegate_data = base::ASCIIToUTF16("My delegate data");
int resource_id = 5;
EXPECT_CALL(delegate, GetLocalizedStringMock(resource_id)).Times(1).WillOnce(
Return(delegate_data));
base::string16 override_data = base::ASCIIToUTF16("My override data");
base::string16 result = resource_bundle->GetLocalizedString(resource_id);
EXPECT_EQ(delegate_data, result);
}
#if (defined(USE_OZONE) && !defined(USE_PANGO)) || defined(OS_ANDROID)
#define MAYBE_DelegateGetFontList DISABLED_DelegateGetFontList
#else
#define MAYBE_DelegateGetFontList DelegateGetFontList
#endif
TEST_F(ResourceBundleTest, MAYBE_DelegateGetFontList) {
MockResourceBundleDelegate delegate;
ResourceBundle* resource_bundle = CreateResourceBundle(&delegate);
// Should be called once for each font type. When we return NULL the default
// font will be created.
gfx::Font* test_font = NULL;
EXPECT_CALL(delegate, GetFontMock(_))
.Times(8)
.WillRepeatedly(Return(test_font));
const gfx::FontList* font_list =
&resource_bundle->GetFontList(ui::ResourceBundle::BaseFont);
EXPECT_TRUE(font_list);
const gfx::Font* font =
&resource_bundle->GetFont(ui::ResourceBundle::BaseFont);
EXPECT_TRUE(font);
}
TEST_F(ResourceBundleTest, LocaleDataPakExists) {
ResourceBundle* resource_bundle = CreateResourceBundle(NULL);
// Check that ResourceBundle::LocaleDataPakExists returns the correct results.
EXPECT_TRUE(resource_bundle->LocaleDataPakExists("en-US"));
EXPECT_FALSE(resource_bundle->LocaleDataPakExists("not_a_real_locale"));
}
class ResourceBundleImageTest : public ResourceBundleTest {
public:
ResourceBundleImageTest() {}
~ResourceBundleImageTest() override {}
void SetUp() override {
// Create a temporary directory to write test resource bundles to.
ASSERT_TRUE(dir_.CreateUniqueTempDir());
}
// Returns resource bundle which uses an empty data pak for locale data.
ui::ResourceBundle* CreateResourceBundleWithEmptyLocalePak() {
// Write an empty data pak for locale data.
const base::FilePath& locale_path = dir_path().Append(
FILE_PATH_LITERAL("locale.pak"));
EXPECT_EQ(base::WriteFile(locale_path, kEmptyPakContents, kEmptyPakSize),
static_cast<int>(kEmptyPakSize));
ui::ResourceBundle* resource_bundle = CreateResourceBundle(NULL);
// Load the empty locale data pak.
resource_bundle->LoadTestResources(base::FilePath(), locale_path);
return resource_bundle;
}
// Returns the path of temporary directory to write test data packs into.
const base::FilePath& dir_path() { return dir_.path(); }
private:
scoped_ptr<DataPack> locale_pack_;
base::ScopedTempDir dir_;
DISALLOW_COPY_AND_ASSIGN(ResourceBundleImageTest);
};
// Verify that we don't crash when trying to load a resource that is not found.
// In some cases, we fail to mmap resources.pak, but try to keep going anyway.
TEST_F(ResourceBundleImageTest, LoadDataResourceBytes) {
base::FilePath data_path = dir_path().Append(FILE_PATH_LITERAL("sample.pak"));
// Dump contents into the pak files.
ASSERT_EQ(base::WriteFile(data_path, kEmptyPakContents,
kEmptyPakSize), static_cast<int>(kEmptyPakSize));
// Create a resource bundle from the file.
ResourceBundle* resource_bundle = CreateResourceBundleWithEmptyLocalePak();
resource_bundle->AddDataPackFromPath(data_path, SCALE_FACTOR_100P);
const int kUnfoundResourceId = 10000;
EXPECT_EQ(NULL, resource_bundle->LoadDataResourceBytes(
kUnfoundResourceId));
// Give a .pak file that doesn't exist so we will fail to load it.
resource_bundle->AddDataPackFromPath(
base::FilePath(FILE_PATH_LITERAL("non-existant-file.pak")),
ui::SCALE_FACTOR_NONE);
EXPECT_EQ(NULL, resource_bundle->LoadDataResourceBytes(
kUnfoundResourceId));
}
TEST_F(ResourceBundleImageTest, GetRawDataResource) {
base::FilePath data_path = dir_path().Append(FILE_PATH_LITERAL("sample.pak"));
base::FilePath data_2x_path =
dir_path().Append(FILE_PATH_LITERAL("sample_2x.pak"));
// Dump contents into the pak files.
ASSERT_EQ(base::WriteFile(data_path, kSamplePakContents,
kSamplePakSize), static_cast<int>(kSamplePakSize));
ASSERT_EQ(base::WriteFile(data_2x_path, kSamplePakContents2x,
kSamplePakSize2x), static_cast<int>(kSamplePakSize2x));
// Load the regular and 2x pak files.
ResourceBundle* resource_bundle = CreateResourceBundleWithEmptyLocalePak();
resource_bundle->AddDataPackFromPath(data_path, SCALE_FACTOR_100P);
resource_bundle->AddDataPackFromPath(data_2x_path, SCALE_FACTOR_200P);
// Resource ID 4 exists in both 1x and 2x paks, so we expect a different
// result when requesting the 2x scale.
EXPECT_EQ("this is id 4", resource_bundle->GetRawDataResourceForScale(4,
SCALE_FACTOR_100P));
EXPECT_EQ("this is id 4 2x", resource_bundle->GetRawDataResourceForScale(4,
SCALE_FACTOR_200P));
// Resource ID 6 only exists in the 1x pak so we expect the same resource
// for both scale factor requests.
EXPECT_EQ("this is id 6", resource_bundle->GetRawDataResourceForScale(6,
SCALE_FACTOR_100P));
EXPECT_EQ("this is id 6", resource_bundle->GetRawDataResourceForScale(6,
SCALE_FACTOR_200P));
}
// Test requesting image reps at various scale factors from the image returned
// via ResourceBundle::GetImageNamed().
TEST_F(ResourceBundleImageTest, GetImageNamed) {
#if defined(OS_WIN)
gfx::InitDeviceScaleFactor(2.0);
#endif
std::vector<ScaleFactor> supported_factors;
supported_factors.push_back(SCALE_FACTOR_100P);
supported_factors.push_back(SCALE_FACTOR_200P);
test::ScopedSetSupportedScaleFactors scoped_supported(supported_factors);
base::FilePath data_1x_path = dir_path().AppendASCII("sample_1x.pak");
base::FilePath data_2x_path = dir_path().AppendASCII("sample_2x.pak");
// Create the pak files.
CreateDataPackWithSingleBitmap(data_1x_path, 10, base::StringPiece());
CreateDataPackWithSingleBitmap(data_2x_path, 20, base::StringPiece());
// Load the regular and 2x pak files.
ResourceBundle* resource_bundle = CreateResourceBundleWithEmptyLocalePak();
resource_bundle->AddDataPackFromPath(data_1x_path, SCALE_FACTOR_100P);
resource_bundle->AddDataPackFromPath(data_2x_path, SCALE_FACTOR_200P);
EXPECT_EQ(SCALE_FACTOR_200P, resource_bundle->GetMaxScaleFactor());
gfx::ImageSkia* image_skia = resource_bundle->GetImageSkiaNamed(3);
#if defined(OS_CHROMEOS) || defined(OS_WIN)
// ChromeOS/Windows load highest scale factor first.
EXPECT_EQ(ui::SCALE_FACTOR_200P,
GetSupportedScaleFactor(image_skia->image_reps()[0].scale()));
#else
EXPECT_EQ(ui::SCALE_FACTOR_100P,
GetSupportedScaleFactor(image_skia->image_reps()[0].scale()));
#endif
// Resource ID 3 exists in both 1x and 2x paks. Image reps should be
// available for both scale factors in |image_skia|.
gfx::ImageSkiaRep image_rep =
image_skia->GetRepresentation(
GetScaleForScaleFactor(ui::SCALE_FACTOR_100P));
EXPECT_EQ(ui::SCALE_FACTOR_100P, GetSupportedScaleFactor(image_rep.scale()));
image_rep =
image_skia->GetRepresentation(
GetScaleForScaleFactor(ui::SCALE_FACTOR_200P));
EXPECT_EQ(ui::SCALE_FACTOR_200P, GetSupportedScaleFactor(image_rep.scale()));
// The 1.4x pack was not loaded. Requesting the 1.4x resource should return
// either the 1x or the 2x resource.
image_rep = image_skia->GetRepresentation(
ui::GetScaleForScaleFactor(ui::SCALE_FACTOR_140P));
ui::ScaleFactor scale_factor = GetSupportedScaleFactor(image_rep.scale());
EXPECT_TRUE(scale_factor == ui::SCALE_FACTOR_100P ||
scale_factor == ui::SCALE_FACTOR_200P);
// ImageSkia scales image if the one for the requested scale factor is not
// available.
EXPECT_EQ(1.4f, image_skia->GetRepresentation(1.4f).scale());
}
// Test that GetImageNamed() behaves properly for images which GRIT has
// annotated as having fallen back to 1x.
TEST_F(ResourceBundleImageTest, GetImageNamedFallback1x) {
std::vector<ScaleFactor> supported_factors;
supported_factors.push_back(SCALE_FACTOR_100P);
supported_factors.push_back(SCALE_FACTOR_200P);
test::ScopedSetSupportedScaleFactors scoped_supported(supported_factors);
base::FilePath data_path = dir_path().AppendASCII("sample.pak");
base::FilePath data_2x_path = dir_path().AppendASCII("sample_2x.pak");
// Create the pak files.
CreateDataPackWithSingleBitmap(data_path, 10, base::StringPiece());
// 2x data pack bitmap has custom chunk to indicate that the 2x bitmap is not
// available and that GRIT fell back to 1x.
CreateDataPackWithSingleBitmap(data_2x_path, 10, base::StringPiece(
reinterpret_cast<const char*>(kPngScaleChunk),
arraysize(kPngScaleChunk)));
// Load the regular and 2x pak files.
ResourceBundle* resource_bundle = CreateResourceBundleWithEmptyLocalePak();
resource_bundle->AddDataPackFromPath(data_path, SCALE_FACTOR_100P);
resource_bundle->AddDataPackFromPath(data_2x_path, SCALE_FACTOR_200P);
gfx::ImageSkia* image_skia = resource_bundle->GetImageSkiaNamed(3);
// The image rep for 2x should be available. It should be resized to the
// proper 2x size.
gfx::ImageSkiaRep image_rep =
image_skia->GetRepresentation(GetScaleForScaleFactor(
ui::SCALE_FACTOR_200P));
EXPECT_EQ(ui::SCALE_FACTOR_200P, GetSupportedScaleFactor(image_rep.scale()));
EXPECT_EQ(20, image_rep.pixel_width());
EXPECT_EQ(20, image_rep.pixel_height());
}
#if defined(OS_WIN)
// Tests GetImageNamed() behaves properly when the size of a scaled image
// requires rounding as a result of using a non-integer scale factor.
// Scale factors of 140 and 1805 are Windows specific.
TEST_F(ResourceBundleImageTest, GetImageNamedFallback1xRounding) {
std::vector<ScaleFactor> supported_factors;
supported_factors.push_back(SCALE_FACTOR_100P);
supported_factors.push_back(SCALE_FACTOR_140P);
supported_factors.push_back(SCALE_FACTOR_180P);
test::ScopedSetSupportedScaleFactors scoped_supported(supported_factors);
base::FilePath data_path = dir_path().AppendASCII("sample.pak");
base::FilePath data_140P_path = dir_path().AppendASCII("sample_140P.pak");
base::FilePath data_180P_path = dir_path().AppendASCII("sample_180P.pak");
CreateDataPackWithSingleBitmap(data_path, 8, base::StringPiece());
// Mark 140% and 180% images as requiring 1x fallback.
CreateDataPackWithSingleBitmap(data_140P_path, 8, base::StringPiece(
reinterpret_cast<const char*>(kPngScaleChunk),
arraysize(kPngScaleChunk)));
CreateDataPackWithSingleBitmap(data_180P_path, 8, base::StringPiece(
reinterpret_cast<const char*>(kPngScaleChunk),
arraysize(kPngScaleChunk)));
ResourceBundle* resource_bundle = CreateResourceBundleWithEmptyLocalePak();
resource_bundle->AddDataPackFromPath(data_path, SCALE_FACTOR_100P);
resource_bundle->AddDataPackFromPath(data_140P_path, SCALE_FACTOR_140P);
resource_bundle->AddDataPackFromPath(data_180P_path, SCALE_FACTOR_180P);
// Non-integer dimensions should be rounded up.
gfx::ImageSkia* image_skia = resource_bundle->GetImageSkiaNamed(3);
gfx::ImageSkiaRep image_rep =
image_skia->GetRepresentation(
GetScaleForScaleFactor(ui::SCALE_FACTOR_140P));
EXPECT_EQ(12, image_rep.pixel_width());
image_rep = image_skia->GetRepresentation(
GetScaleForScaleFactor(ui::SCALE_FACTOR_180P));
EXPECT_EQ(15, image_rep.pixel_width());
}
#endif
#if defined(OS_IOS)
// Fails on devices that have non-100P scaling. See crbug.com/298406
#define MAYBE_FallbackToNone DISABLED_FallbackToNone
#else
#define MAYBE_FallbackToNone FallbackToNone
#endif
TEST_F(ResourceBundleImageTest, MAYBE_FallbackToNone) {
base::FilePath data_default_path = dir_path().AppendASCII("sample.pak");
// Create the pak files.
CreateDataPackWithSingleBitmap(data_default_path, 10, base::StringPiece());
// Load the regular pak files only.
ResourceBundle* resource_bundle = CreateResourceBundleWithEmptyLocalePak();
resource_bundle->AddDataPackFromPath(data_default_path, SCALE_FACTOR_NONE);
gfx::ImageSkia* image_skia = resource_bundle->GetImageSkiaNamed(3);
EXPECT_EQ(1u, image_skia->image_reps().size());
EXPECT_TRUE(image_skia->image_reps()[0].unscaled());
EXPECT_EQ(ui::SCALE_FACTOR_100P,
GetSupportedScaleFactor(image_skia->image_reps()[0].scale()));
}
} // namespace ui