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// Copyright 2015 The Cobalt Authors. All Rights Reserved.
//
// Licensed under the Apache License, Version 2.0 (the "License");
// you may not use this file except in compliance with the License.
// You may obtain a copy of the License at
//
// http://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS,
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
// See the License for the specific language governing permissions and
// limitations under the License.
#include "starboard/nplb/file_helpers.h"
#include <sstream>
#include <string>
#include <vector>
#include "starboard/configuration_constants.h"
#include "starboard/file.h"
#include "starboard/system.h"
#include "testing/gtest/include/gtest/gtest.h"
namespace starboard {
namespace nplb {
namespace {
// Size of appropriate path buffer.
const size_t kPathSize = kSbFileMaxPath + 1;
} // namespace
std::string GetTempDir() {
// It seems there's absolutely no way to get to std::string without a copy.
std::vector<char> path(kPathSize, 0);
if (!SbSystemGetPath(kSbSystemPathTempDirectory, path.data(), path.size())) {
return "";
}
return path.data();
}
std::string GetFileTestsDataDir() {
std::vector<char> content_path(kPathSize);
EXPECT_TRUE(SbSystemGetPath(kSbSystemPathContentDirectory,
content_path.data(), kPathSize));
std::string directory_path = std::string(content_path.data()) +
kSbFileSepChar + "test" + kSbFileSepChar +
"starboard" + kSbFileSepChar + "nplb" +
kSbFileSepChar + "file_tests";
SB_CHECK(SbDirectoryCanOpen(directory_path.c_str()));
return directory_path;
}
// Make a vector of absolute paths in our test data from a null-terminated array
// of C-strings with the relative paths. Slashes are converted to the platform's
// delimiter.
std::vector<std::string> MakePathsVector(const char* files[]) {
std::string directory_path = GetFileTestsDataDir();
std::vector<std::string> paths;
for (int i = 0; files[i] != nullptr; i++) {
std::string file_path = directory_path + kSbFileSepChar + files[i];
std::replace(file_path.begin(), file_path.end(), '/', kSbFileSepChar);
paths.push_back(file_path);
}
return paths;
}
std::vector<std::string> GetFileTestsFilePaths() {
const char* kFiles[] = {
// This long file MUST be first -- SbFileSeekTest depends on it!
"file_with_long_name_and_contents_for_seek_testing_1234567890",
"file01",
"dir_with_files/file11",
"dir_with_files/file12",
"dir_with_only_subdir/dir_with_files/file21",
"dir_with_only_subdir/dir_with_files/file22",
nullptr};
return MakePathsVector(kFiles);
}
std::vector<std::string> GetFileTestsDirectoryPaths() {
const char* kDirs[] = {"dir_with_files", "dir_with_only_subdir",
"dir_with_only_subdir/dir_with_files", nullptr};
return MakePathsVector(kDirs);
}
std::string GetTestFileExpectedContent(const std::string& path) {
// The test file content matches the basename of the file + a newline.
std::string content(path, path.find_last_of(kSbFileSepChar) + 1);
content += '\n';
return content;
}
// static
std::string ScopedRandomFile::MakeRandomFilename() {
std::ostringstream filename_stream;
filename_stream << "ScopedRandomFile.File_" << SbSystemGetRandomUInt64();
return filename_stream.str();
}
// static
void ScopedRandomFile::ExpectPattern(int pattern_offset,
void* buffer,
int size,
int line) {
char* char_buffer = static_cast<char*>(buffer);
for (int i = 0; i < size; ++i) {
EXPECT_EQ(static_cast<char>((i + pattern_offset) & 0xFF), char_buffer[i])
<< "original line=" << line;
}
}
// static
std::string ScopedRandomFile::MakeRandomFilePath() {
std::ostringstream filename_stream;
filename_stream << GetTempDir();
if (!filename_stream.tellp()) {
return "";
}
filename_stream << kSbFileSepChar << MakeRandomFilename();
return filename_stream.str();
}
std::string ScopedRandomFile::MakeRandomFile(int length) {
std::string filename = MakeRandomFilePath();
if (filename.empty()) {
return filename;
}
SbFile file = SbFileOpen(filename.c_str(), kSbFileCreateOnly | kSbFileWrite,
NULL, NULL);
EXPECT_TRUE(SbFileIsValid(file));
if (!SbFileIsValid(file)) {
return "";
}
char* data = new char[length];
for (int i = 0; i < length; ++i) {
data[i] = static_cast<char>(i & 0xFF);
}
int bytes = SbFileWriteAll(file, data, length);
EXPECT_EQ(bytes, length) << "Failed to write " << length << " bytes to "
<< filename;
bool result = SbFileClose(file);
EXPECT_TRUE(result) << "Failed to close " << filename;
delete[] data;
return filename;
}
} // namespace nplb
} // namespace starboard