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#pragma once
#include <format>
#include "test_helpers.h"
#include "winapi.h"
namespace test
{
std::string FuncFailed::msg(std::string_view func, const char* arg1,
const unsigned long* res, const char* what)
{
std::string buffer;
buffer.reserve(128);
std::format_to(std::back_inserter(buffer), "{}() {}", func, what ? what : "failed");
const char* sep = " : ";
if (arg1) {
std::format_to(std::back_inserter(buffer), "{}{}", sep, arg1);
sep = ", ";
}
if (res) {
std::format_to(std::back_inserter(buffer), "{}result = {} ({:#x})", sep, *res,
*res);
}
return buffer;
}
ScopedFILE ScopedFILE::open(const std::filesystem::path& filepath,
std::wstring_view mode, errno_t& err)
{
FILE* fp = nullptr;
err = _wfopen_s(&fp, filepath.c_str(), mode.data());
if (err || !fp) {
return ScopedFILE();
}
return ScopedFILE(fp);
}
ScopedFILE ScopedFILE::open(const std::filesystem::path& filepath,
std::wstring_view mode)
{
errno_t err;
auto file = open(filepath, mode, err);
if (err || !file) {
throw_testWinFuncFailed("_wfopen_s", filepath.string().c_str(), err);
}
return file;
}
path path_of_test_bin(const path& relative)
{
path base(winapi::wide::getModuleFileName(nullptr));
return relative.empty() ? base.parent_path() : base.parent_path() / relative;
}
path path_of_test_temp(const path& relative)
{
return path_of_test_bin().parent_path() / "temp" / relative;
}
path path_of_test_fixtures(const path& relative)
{
return path_of_test_bin().parent_path() / "fixtures" / relative;
}
path path_of_usvfs_lib(const path& relative)
{
return path_of_test_bin().parent_path().parent_path() / "lib" / relative;
}
std::string platform_dependant_executable(const char* name, const char* ext,
const char* platform)
{
std::string res = name;
res += "_";
if (platform)
res += platform;
else
#if _WIN64
res += "x64";
#else
res += "x86";
#endif
res += ".";
res += ext;
return res;
}
path path_as_relative(const path& base, const path& full_path)
{
auto rel_begin = full_path.begin();
auto base_iter = base.begin();
while (rel_begin != full_path.end() && base_iter != base.end() &&
*rel_begin == *base_iter) {
++rel_begin;
++base_iter;
}
if (base_iter != base.end()) // full_path is not a sub-folder of base
return full_path;
if (rel_begin == full_path.end()) // full_path == base
return path(L".");
// full_path is a sub-folder of base so take only relative path
path result;
for (; rel_begin != full_path.end(); ++rel_begin)
result /= *rel_begin;
return result;
}
std::vector<char> read_small_file(const path& file, bool binary)
{
using namespace std;
const auto f = ScopedFILE::open(file, binary ? L"rb" : L"rt");
if (fseek(f, 0, SEEK_END))
throw_testWinFuncFailed("fseek", (unsigned long)0);
long size = ftell(f);
if (size < 0)
throw_testWinFuncFailed("ftell", (unsigned long)size);
if (size > 0x10000000) // sanity check limit to 256M
throw test::FuncFailed("read_small_file", "file size too large",
(unsigned long)size);
if (fseek(f, 0, SEEK_SET))
throw_testWinFuncFailed("fseek", (unsigned long)0);
std::vector<char> content(static_cast<size_t>(size));
content.resize(fread(content.data(), sizeof(char), content.size(), f));
return content;
}
bool compare_files(const path& file1, const path& file2, bool binary)
{
// TODO: if this is ever used for big file should read files in chunks
return read_small_file(file1, binary) == read_small_file(file2, binary);
}
bool is_empty_folder(const path& dpath, bool or_doesnt_exist)
{
bool isDir = false;
if (!winapi::ex::wide::fileExists(dpath.c_str(), &isDir))
return or_doesnt_exist;
if (!isDir)
return false;
for (const auto& f : winapi::ex::wide::quickFindFiles(dpath.c_str(), L"*"))
if (f.fileName != L"." && f.fileName != L"..")
return false;
return true;
}
void delete_file(const path& file)
{
if (!DeleteFileW(file.c_str())) {
auto err = GetLastError();
if (err != ERROR_FILE_NOT_FOUND && err != ERROR_PATH_NOT_FOUND)
throw_testWinFuncFailed("DeleteFile", file.string());
}
}
void recursive_delete_files(const path& dpath)
{
bool isDir = false;
if (!winapi::ex::wide::fileExists(dpath.c_str(), &isDir))
return;
if (!isDir)
delete_file(dpath);
else {
// dpath exists and its a directory:
std::vector<std::wstring> recurse;
for (const auto& f : winapi::ex::wide::quickFindFiles(dpath.c_str(), L"*")) {
if (f.fileName == L"." || f.fileName == L"..")
continue;
if (f.attributes & FILE_ATTRIBUTE_DIRECTORY)
recurse.push_back(f.fileName);
else
delete_file(dpath / f.fileName);
}
for (auto r : recurse)
recursive_delete_files(dpath / r);
if (!RemoveDirectoryW(dpath.c_str()))
throw_testWinFuncFailed("RemoveDirectory", dpath.string().c_str());
}
if (winapi::ex::wide::fileExists(dpath.c_str()))
throw FuncFailed("delete_directory_tree", dpath.string().c_str());
}
void recursive_copy_files(const path& src_path, const path& dest_path, bool overwrite)
{
bool srcIsDir = false, destIsDir = false;
if (!winapi::ex::wide::fileExists(src_path.c_str(), &srcIsDir))
throw FuncFailed("recursive_copy", "source doesn't exist",
src_path.string().c_str());
if (!winapi::ex::wide::fileExists(dest_path.c_str(), &destIsDir) && srcIsDir) {
winapi::ex::wide::createPath(dest_path.c_str());
destIsDir = true;
}
if (!srcIsDir)
if (!destIsDir) {
if (!CopyFileW(src_path.c_str(), dest_path.c_str(), overwrite))
throw_testWinFuncFailed(
"CopyFile", (src_path.string() + " => " + dest_path.string()).c_str());
return;
} else
throw FuncFailed("recursive_copy",
"source is a file but destination is a directory",
(src_path.string() + ", " + dest_path.string()).c_str());
if (!destIsDir)
throw FuncFailed("recursive_copy",
"source is a directory but destination is a file",
(src_path.string() + ", " + dest_path.string()).c_str());
// source and destination are both directories:
std::vector<std::wstring> recurse;
for (const auto& f : winapi::ex::wide::quickFindFiles(src_path.c_str(), L"*")) {
if (f.fileName == L"." || f.fileName == L"..")
continue;
if (f.attributes & FILE_ATTRIBUTE_DIRECTORY)
recurse.push_back(f.fileName);
else if (!CopyFileW((src_path / f.fileName).c_str(),
(dest_path / f.fileName).c_str(), overwrite))
throw_testWinFuncFailed("CopyFile", ((src_path / f.fileName).string() + " => " +
(dest_path / f.fileName).string()));
}
for (auto r : recurse)
recursive_copy_files(src_path / r, dest_path / r, overwrite);
}
ScopedLoadLibrary::ScopedLoadLibrary(const wchar_t* dll_path)
: m_mod(LoadLibrary(dll_path))
{}
ScopedLoadLibrary::~ScopedLoadLibrary()
{
if (m_mod)
FreeLibrary(m_mod);
}
}; // namespace test
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