Add tests for windows config

There should be no Cppcheck warning when checking for 0 and
`INVALID_HANDLE_VALUE` or `INVALID_SOCKET`

test/cfg/windows.cpp

@@ -22,6 +22,26 @@
 #include <atlstr.h>
 #include <string>
 
+void invalidHandle_CreateFile(LPCWSTR lpFileName)
+{
+    HANDLE file = CreateFile(lpFileName, GENERIC_READ, 0, nullptr, CREATE_ALWAYS, FILE_ATTRIBUTE_NORMAL, nullptr);
+
+    // INVALID_HANDLE_VALUE is not the same as 0
+    if (file != INVALID_HANDLE_VALUE && file) {}
+
+    // cppcheck-suppress resourceLeak
+}
+
+void invalid_socket()
+{
+    SOCKET sock = socket(AF_INET, SOCK_RAW, IPPROTO_TCP);
+
+    // INVALID_SOCKET is not the same as 0
+    if (sock != INVALID_SOCKET && sock) {}
+
+    // cppcheck-suppress resourceLeak
+}
+
 void resourceLeak_OpenThread(const DWORD dwDesiredAccess, const BOOL bInheritHandle, const DWORD dwThreadId)
 {
     HANDLE proc = OpenThread(dwDesiredAccess, bInheritHandle, dwThreadId);