Milestone 5: deliver embedded RDP sessions and lifecycle hardening

third_party/FreeRDP/winpr/libwinpr/path/test/TestPathCchAddBackslash.c

@@ -0,0 +1,101 @@
+
+#include <stdio.h>
+#include <winpr/crt.h>
+#include <winpr/path.h>
+#include <winpr/tchar.h>
+#include <winpr/winpr.h>
+
+static const TCHAR testPathBackslash[] = _T("C:\\Program Files\\");
+static const TCHAR testPathNoBackslash[] = _T("C:\\Program Files");
+
+int TestPathCchAddBackslash(int argc, char* argv[])
+{
+	HRESULT status = 0;
+	TCHAR Path[PATHCCH_MAX_CCH] = WINPR_C_ARRAY_INIT;
+
+	WINPR_UNUSED(argc);
+	WINPR_UNUSED(argv);
+
+	/**
+	 * PathCchAddBackslash returns S_OK if the function was successful,
+	 * S_FALSE if the path string already ends in a backslash,
+	 * or an error code otherwise.
+	 */
+
+	_tcsncpy(Path, testPathNoBackslash, ARRAYSIZE(Path));
+
+	/* Add a backslash to a path without a trailing backslash, expect S_OK */
+
+	status = PathCchAddBackslash(Path, PATHCCH_MAX_CCH);
+
+	if (status != S_OK)
+	{
+		_tprintf(_T("PathCchAddBackslash status: 0x%08") _T(PRIX32) _T("\n"), status);
+		return -1;
+	}
+
+	if (_tcsncmp(Path, testPathBackslash, ARRAYSIZE(Path)) != 0)
+	{
+		_tprintf(_T("Path Mismatch: Actual: %s, Expected: %s\n"), Path, testPathBackslash);
+		return -1;
+	}
+
+	/* Add a backslash to a path with a trailing backslash, expect S_FALSE */
+
+	_tcsncpy(Path, testPathBackslash, ARRAYSIZE(Path));
+
+	status = PathCchAddBackslash(Path, PATHCCH_MAX_CCH);
+
+	if (status != S_FALSE)
+	{
+		_tprintf(_T("PathCchAddBackslash status: 0x%08") _T(PRIX32) _T("\n"), status);
+		return -1;
+	}
+
+	if (_tcsncmp(Path, testPathBackslash, ARRAYSIZE(Path)) != 0)
+	{
+		_tprintf(_T("Path Mismatch: Actual: %s, Expected: %s\n"), Path, testPathBackslash);
+		return -1;
+	}
+
+	/* Use nullptr PSTR, expect FAILED(status) */
+
+	status = PathCchAddBackslash(nullptr, PATHCCH_MAX_CCH);
+
+	if (SUCCEEDED(status))
+	{
+		_tprintf(
+		    _T("PathCchAddBackslash unexpectedly succeeded with null buffer. Status: 0x%08") _T(
+		        PRIX32) _T("\n"),
+		    status);
+		return -1;
+	}
+
+	/* Use insufficient size value, expect FAILED(status)  */
+
+	_tcsncpy(Path, _T("C:\\tmp"), ARRAYSIZE(Path));
+
+	status = PathCchAddBackslash(Path, 7);
+
+	if (SUCCEEDED(status))
+	{
+		_tprintf(_T("PathCchAddBackslash unexpectedly succeeded with insufficient buffer size. ")
+		         _T("Status: 0x%08") _T(PRIX32) _T("\n"),
+		         status);
+		return -1;
+	}
+
+	/* Use minimum required size value, expect S_OK  */
+
+	_tcsncpy(Path, _T("C:\\tmp"), ARRAYSIZE(Path));
+
+	status = PathCchAddBackslash(Path, 8);
+
+	if (status != S_OK)
+	{
+		_tprintf(_T("PathCchAddBackslash failed with status: 0x%08") _T(PRIX32) _T("\n"), status);
+		return -1;
+	}
+
+	return 0;
+}