compute-runtime/unit_tests/os_interface/windows/os_library_win_tests.cpp

99 lines
3.4 KiB
C++

/*
* Copyright (c) 2017 - 2018, Intel Corporation
*
* Permission is hereby granted, free of charge, to any person obtaining a
* copy of this software and associated documentation files (the "Software"),
* to deal in the Software without restriction, including without limitation
* the rights to use, copy, modify, merge, publish, distribute, sublicense,
* and/or sell copies of the Software, and to permit persons to whom the
* Software is furnished to do so, subject to the following conditions:
*
* The above copyright notice and this permission notice shall be included
* in all copies or substantial portions of the Software.
*
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
* OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
* THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR
* OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE,
* ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
* OTHER DEALINGS IN THE SOFTWARE.
*/
#include "runtime/os_interface/windows/os_library.h"
#include "unit_tests/helpers/variable_backup.h"
#include "test.h"
#include "gtest/gtest.h"
#include <memory>
namespace Os {
extern const char *testDllName;
}
using namespace OCLRT;
class OsLibraryBackup : public Windows::OsLibrary {
using Type = decltype(Windows::OsLibrary::loadLibraryExA);
using BackupType = typename VariableBackup<Type>;
using ModuleNameType = decltype(Windows::OsLibrary::getModuleFileNameA);
using ModuleNameBackupType = typename VariableBackup<ModuleNameType>;
struct Backup {
std::unique_ptr<BackupType> bkp1 = nullptr;
std::unique_ptr<ModuleNameBackupType> bkp2 = nullptr;
};
public:
static std::unique_ptr<Backup> backup(Type newValue, ModuleNameType newModuleName) {
std::unique_ptr<Backup> bkp(new Backup());
bkp->bkp1.reset(new BackupType(&OsLibrary::loadLibraryExA, newValue));
bkp->bkp2.reset(new ModuleNameBackupType(&OsLibrary::getModuleFileNameA, newModuleName));
return bkp;
};
};
bool mockWillFail = true;
void trimFileName(char *buff, size_t length) {
for (size_t l = length; l > 0; l--) {
if (buff[l - 1] == '\\') {
buff[l] = '\0';
break;
}
}
}
DWORD WINAPI GetModuleFileNameAMock(HMODULE hModule, LPSTR lpFilename, DWORD nSize) {
return snprintf(lpFilename, nSize, "z:\\SomeFakeName.dll");
}
HMODULE WINAPI LoadLibraryExAMock(LPCSTR lpFileName, HANDLE hFile, DWORD dwFlags) {
if (mockWillFail)
return NULL;
char fName[MAX_PATH];
auto lenFn = strlen(lpFileName);
strcpy_s(fName, sizeof(fName), lpFileName);
trimFileName(fName, lenFn);
EXPECT_STREQ("z:\\", fName);
return (HMODULE)1;
}
TEST(OSLibraryWinTest, gitOsLibraryWinWhenLoadDependencyFailsThenFallbackToNonDriverStore) {
auto bkp = OsLibraryBackup::backup(LoadLibraryExAMock, GetModuleFileNameAMock);
std::unique_ptr<OsLibrary> library(OsLibrary::load(Os::testDllName));
EXPECT_NE(nullptr, library);
}
TEST(OSLibraryWinTest, gitOsLibraryWinWhenLoadDependencyThenProperPathIsConstructed) {
auto bkp = OsLibraryBackup::backup(LoadLibraryExAMock, GetModuleFileNameAMock);
VariableBackup<bool> bkpM(&mockWillFail, false);
std::unique_ptr<OsLibrary> library(OsLibrary::load(Os::testDllName));
EXPECT_NE(nullptr, library);
}