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// 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 "base/files/file.h"
#include "base/files/file_path.h"
#include "base/files/file_util.h"
#include "base/files/scoped_temp_dir.h"
#include "base/path_service.h"
#include "base/strings/string_piece.h"
#include "testing/gtest/include/gtest/gtest.h"
#include "ui/base/resource/data_pack.h"
#include "ui/base/ui_base_paths.h"
namespace ui {
class DataPackTest
: public testing::TestWithParam<DataPack::TextEncodingType> {
public:
DataPackTest() {}
};
extern const char kSamplePakContents[];
extern const char kSampleCorruptPakContents[];
extern const size_t kSamplePakSize;
extern const size_t kSampleCorruptPakSize;
TEST(DataPackTest, LoadFromPath) {
base::ScopedTempDir dir;
ASSERT_TRUE(dir.CreateUniqueTempDir());
base::FilePath data_path = dir.path().Append(FILE_PATH_LITERAL("sample.pak"));
// Dump contents into the pak file.
ASSERT_EQ(base::WriteFile(data_path, kSamplePakContents, kSamplePakSize),
static_cast<int>(kSamplePakSize));
// Load the file through the data pack API.
DataPack pack(SCALE_FACTOR_100P);
ASSERT_TRUE(pack.LoadFromPath(data_path));
base::StringPiece data;
ASSERT_TRUE(pack.HasResource(4));
ASSERT_TRUE(pack.GetStringPiece(4, &data));
EXPECT_EQ("this is id 4", data);
ASSERT_TRUE(pack.HasResource(6));
ASSERT_TRUE(pack.GetStringPiece(6, &data));
EXPECT_EQ("this is id 6", data);
// Try reading zero-length data blobs, just in case.
ASSERT_TRUE(pack.GetStringPiece(1, &data));
EXPECT_EQ(0U, data.length());
ASSERT_TRUE(pack.GetStringPiece(10, &data));
EXPECT_EQ(0U, data.length());
// Try looking up an invalid key.
ASSERT_FALSE(pack.HasResource(140));
ASSERT_FALSE(pack.GetStringPiece(140, &data));
}
TEST(DataPackTest, LoadFromFile) {
base::ScopedTempDir dir;
ASSERT_TRUE(dir.CreateUniqueTempDir());
base::FilePath data_path = dir.path().Append(FILE_PATH_LITERAL("sample.pak"));
// Dump contents into the pak file.
ASSERT_EQ(base::WriteFile(data_path, kSamplePakContents, kSamplePakSize),
static_cast<int>(kSamplePakSize));
base::File file(data_path, base::File::FLAG_OPEN | base::File::FLAG_READ);
ASSERT_TRUE(file.IsValid());
// Load the file through the data pack API.
DataPack pack(SCALE_FACTOR_100P);
ASSERT_TRUE(pack.LoadFromFile(file.Pass()));
base::StringPiece data;
ASSERT_TRUE(pack.HasResource(4));
ASSERT_TRUE(pack.GetStringPiece(4, &data));
EXPECT_EQ("this is id 4", data);
ASSERT_TRUE(pack.HasResource(6));
ASSERT_TRUE(pack.GetStringPiece(6, &data));
EXPECT_EQ("this is id 6", data);
// Try reading zero-length data blobs, just in case.
ASSERT_TRUE(pack.GetStringPiece(1, &data));
EXPECT_EQ(0U, data.length());
ASSERT_TRUE(pack.GetStringPiece(10, &data));
EXPECT_EQ(0U, data.length());
// Try looking up an invalid key.
ASSERT_FALSE(pack.HasResource(140));
ASSERT_FALSE(pack.GetStringPiece(140, &data));
}
TEST(DataPackTest, LoadFromFileRegion) {
base::ScopedTempDir dir;
ASSERT_TRUE(dir.CreateUniqueTempDir());
base::FilePath data_path = dir.path().Append(FILE_PATH_LITERAL("sample.pak"));
// Construct a file which has a non page-aligned zero-filled header followed
// by the actual pak file content.
const char kPadding[5678] = {0};
ASSERT_EQ(static_cast<int>(sizeof(kPadding)),
base::WriteFile(data_path, kPadding, sizeof(kPadding)));
ASSERT_TRUE(base::AppendToFile(
data_path, kSamplePakContents, kSamplePakSize));
base::File file(data_path, base::File::FLAG_OPEN | base::File::FLAG_READ);
ASSERT_TRUE(file.IsValid());
// Load the file through the data pack API.
DataPack pack(SCALE_FACTOR_100P);
base::MemoryMappedFile::Region region(sizeof(kPadding), kSamplePakSize);
ASSERT_TRUE(pack.LoadFromFileRegion(file.Pass(), region));
base::StringPiece data;
ASSERT_TRUE(pack.HasResource(4));
ASSERT_TRUE(pack.GetStringPiece(4, &data));
EXPECT_EQ("this is id 4", data);
ASSERT_TRUE(pack.HasResource(6));
ASSERT_TRUE(pack.GetStringPiece(6, &data));
EXPECT_EQ("this is id 6", data);
// Try reading zero-length data blobs, just in case.
ASSERT_TRUE(pack.GetStringPiece(1, &data));
EXPECT_EQ(0U, data.length());
ASSERT_TRUE(pack.GetStringPiece(10, &data));
EXPECT_EQ(0U, data.length());
// Try looking up an invalid key.
ASSERT_FALSE(pack.HasResource(140));
ASSERT_FALSE(pack.GetStringPiece(140, &data));
}
INSTANTIATE_TEST_CASE_P(WriteBINARY, DataPackTest, ::testing::Values(
DataPack::BINARY));
INSTANTIATE_TEST_CASE_P(WriteUTF8, DataPackTest, ::testing::Values(
DataPack::UTF8));
INSTANTIATE_TEST_CASE_P(WriteUTF16, DataPackTest, ::testing::Values(
DataPack::UTF16));
TEST(DataPackTest, LoadFileWithTruncatedHeader) {
base::FilePath data_path;
ASSERT_TRUE(PathService::Get(UI_DIR_TEST_DATA, &data_path));
data_path = data_path.AppendASCII("data_pack_unittest/truncated-header.pak");
DataPack pack(SCALE_FACTOR_100P);
ASSERT_FALSE(pack.LoadFromPath(data_path));
}
TEST_P(DataPackTest, Write) {
base::ScopedTempDir dir;
ASSERT_TRUE(dir.CreateUniqueTempDir());
base::FilePath file = dir.path().Append(FILE_PATH_LITERAL("data.pak"));
std::string one("one");
std::string two("two");
std::string three("three");
std::string four("four");
std::string fifteen("fifteen");
std::map<uint16, base::StringPiece> resources;
resources.insert(std::make_pair(1, base::StringPiece(one)));
resources.insert(std::make_pair(2, base::StringPiece(two)));
resources.insert(std::make_pair(15, base::StringPiece(fifteen)));
resources.insert(std::make_pair(3, base::StringPiece(three)));
resources.insert(std::make_pair(4, base::StringPiece(four)));
ASSERT_TRUE(DataPack::WritePack(file, resources, GetParam()));
// Now try to read the data back in.
DataPack pack(SCALE_FACTOR_100P);
ASSERT_TRUE(pack.LoadFromPath(file));
EXPECT_EQ(pack.GetTextEncodingType(), GetParam());
base::StringPiece data;
ASSERT_TRUE(pack.GetStringPiece(1, &data));
EXPECT_EQ(one, data);
ASSERT_TRUE(pack.GetStringPiece(2, &data));
EXPECT_EQ(two, data);
ASSERT_TRUE(pack.GetStringPiece(3, &data));
EXPECT_EQ(three, data);
ASSERT_TRUE(pack.GetStringPiece(4, &data));
EXPECT_EQ(four, data);
ASSERT_TRUE(pack.GetStringPiece(15, &data));
EXPECT_EQ(fifteen, data);
}
#if defined(OS_POSIX)
TEST(DataPackTest, ModifiedWhileUsed) {
base::ScopedTempDir dir;
ASSERT_TRUE(dir.CreateUniqueTempDir());
base::FilePath data_path = dir.path().Append(FILE_PATH_LITERAL("sample.pak"));
// Dump contents into the pak file.
ASSERT_EQ(base::WriteFile(data_path, kSamplePakContents, kSamplePakSize),
static_cast<int>(kSamplePakSize));
base::File file(data_path, base::File::FLAG_OPEN | base::File::FLAG_READ);
ASSERT_TRUE(file.IsValid());
// Load the file through the data pack API.
DataPack pack(SCALE_FACTOR_100P);
ASSERT_TRUE(pack.LoadFromFile(file.Pass()));
base::StringPiece data;
ASSERT_TRUE(pack.HasResource(10));
ASSERT_TRUE(pack.GetStringPiece(10, &data));
ASSERT_EQ(base::WriteFile(data_path, kSampleCorruptPakContents,
kSampleCorruptPakSize),
static_cast<int>(kSampleCorruptPakSize));
// Reading asset #10 should now fail as it extends past the end of the file.
ASSERT_TRUE(pack.HasResource(10));
ASSERT_FALSE(pack.GetStringPiece(10, &data));
}
#endif
} // namespace ui
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