reactos/modules/rostests/apitests/shlwapi/PathUnExpandEnvStrings.c

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/*
* PROJECT: ReactOS api tests
* LICENSE: LGPLv2.1+ - See COPYING.LIB in the top level directory
* PURPOSE: Tests for PathUnExpandEnvStrings
* PROGRAMMERS: Hermes Belusca-Maito
*/
#include <apitest.h>
#include <shlwapi.h>
#include <strsafe.h>
#define DO_TEST(Res, TestStr, ExpStr) \
do { \
BOOL ret = PathUnExpandEnvStringsW((TestStr), OutStr, _countof(OutStr)); \
ok(ret == (Res), "Tested %s, expected returned value %d, got %d\n", \
wine_dbgstr_w((TestStr)), (Res), ret); \
if (ret) \
ok(_wcsicmp(OutStr, (ExpStr)) == 0, "Tested %s, expected %s, got %s\n", \
wine_dbgstr_w((TestStr)), wine_dbgstr_w((ExpStr)), wine_dbgstr_w(OutStr)); \
} while (0)
START_TEST(PathUnExpandEnvStrings)
{
INT len;
DWORD ret;
WCHAR TestStr[MAX_PATH];
WCHAR ExpStr[MAX_PATH];
WCHAR OutStr[MAX_PATH];
/*
* We expect here that the following standard environment variables:
* %COMPUTERNAME%, %ProgramFiles%, %SystemRoot% and %SystemDrive%
* are correctly defined.
*/
/* No unexpansion possible */
DO_TEST(FALSE, L"ZZ:\\foobar\\directory", L"");
/* Contrary to what MSDN says, %COMPUTERNAME% does not seeem to be unexpanded... */
ret = GetEnvironmentVariableW(L"COMPUTERNAME", TestStr, _countof(TestStr));
ok(ret, "got %lu\n", ret);
DO_TEST(FALSE, TestStr, L"%COMPUTERNAME%");
#if 0
StringCchCopyW(TestStr, _countof(TestStr), L"ZZ:\\foobar\\");
len = wcslen(TestStr);
ret = GetEnvironmentVariableW(L"COMPUTERNAME", TestStr + len, _countof(TestStr) - len);
ok(ret, "got %lu\n", ret);
StringCchCatW(TestStr, _countof(TestStr), L"\\directory");
DO_TEST(TRUE, TestStr, L"ZZ:\\foobar\\%COMPUTERNAME%\\directory");
#endif
/*
* L"%SystemRoot%\\%SystemRoot%" to L"%SystemRoot%\\%SystemRoot%" (no expansion)
* Unexpansion fails.
* This shows that given a path string, if PathUnExpandEnvStrings fails,
* the string could have been already unexpanded...
*/
DO_TEST(FALSE, L"%SystemRoot%\\%SystemRoot%", L"%SystemRoot%\\%SystemRoot%");
/*
* L"<real_SystemRoot><real_SystemRoot>" to L"%SystemRoot%<real_SystemRoot>"
* example: L"C:\\WindowsC:\\Windows"
* Unexpansion succeeds only on the first path.
*/
ret = GetEnvironmentVariableW(L"SystemRoot", TestStr, _countof(TestStr));
ok(ret, "got %lu\n", ret);
len = lstrlenW(TestStr);
ret = GetEnvironmentVariableW(L"SystemRoot", TestStr + len, _countof(TestStr) - len);
ok(ret, "got %lu\n", ret);
StringCchCopyW(ExpStr, _countof(ExpStr), L"%SystemRoot%");
len = lstrlenW(ExpStr);
ret = GetEnvironmentVariableW(L"SystemRoot", ExpStr + len, _countof(ExpStr) - len);
ok(ret, "got %lu\n", ret);
DO_TEST(TRUE, TestStr, ExpStr);
/*
* L"%SystemRoot%\\<real_Program_Files>" to L"%SystemRoot%\\%ProgramFiles%"
* Unexpansion fails.
*/
StringCchCopyW(TestStr, _countof(TestStr), L"%SystemRoot%\\");
len = lstrlenW(TestStr);
ret = GetEnvironmentVariableW(L"ProgramFiles", TestStr + len, _countof(TestStr) - len);
ok(ret, "got %lu\n", ret);
DO_TEST(FALSE, TestStr, L"%SystemRoot%\\%ProgramFiles%");
/*
* L"<real_SystemRoot>\\%ProgramFiles%" to L"%SystemRoot%\\%ProgramFiles%"
* Unexpansion succeeds.
*/
ret = GetEnvironmentVariableW(L"SystemRoot", TestStr, _countof(TestStr));
ok(ret, "got %lu\n", ret);
StringCchCatW(TestStr, _countof(TestStr), L"\\%ProgramFiles%");
DO_TEST(TRUE, TestStr, L"%SystemRoot%\\%ProgramFiles%");
/*
* L"<real_SystemRoot>\\notepad.exe <real_SystemRoot>\\file.txt" to L"%SystemRoot%\\notepad.exe %SystemRoot%\\file.txt"
* Unexpansion succeeds only on the first path, therefore the obtained string is not the one naively expected.
*/
ret = GetEnvironmentVariableW(L"SystemRoot", TestStr, _countof(TestStr));
ok(ret, "got %lu\n", ret);
StringCchCatW(TestStr, _countof(TestStr), L"\\notepad.exe ");
len = lstrlenW(TestStr);
ret = GetEnvironmentVariableW(L"SystemRoot", TestStr + len, _countof(TestStr) - len);
ok(ret, "got %lu\n", ret);
StringCchCatW(TestStr, _countof(TestStr), L"\\file.txt");
// DO_TEST(TRUE, TestStr, L"%SystemRoot%\\notepad.exe %SystemRoot%\\file.txt");
/*
* L"<real_SystemRoot>\\notepad.exe <real_SystemRoot>\\file.txt" to L"%SystemRoot%\\notepad.exe <real_SystemRoot>\\file.txt"
* Unexpansion succeeds only on the first path.
*/
StringCchCopyW(ExpStr, _countof(ExpStr), L"%SystemRoot%\\notepad.exe ");
len = lstrlenW(ExpStr);
ret = GetEnvironmentVariableW(L"SystemRoot", ExpStr + len, _countof(ExpStr) - len);
ok(ret, "got %lu\n", ret);
StringCchCatW(ExpStr, _countof(ExpStr), L"\\file.txt");
DO_TEST(TRUE, TestStr, ExpStr);
}