add test

crates/nsis-process/src/lib.rs

@@ -357,4 +357,21 @@ mod tests {
     fn spawn_cmd() {
         unsafe { run_as_user("cmd", "/c timeout 3") };
     }
+
+    #[test]
+    fn spawn_with_spaces() {
+        let current = std::env::current_dir().unwrap();
+
+        let dir = current.join("dir space");
+        std::fs::create_dir_all(dir).unwrap();
+
+        let systemroot = std::env::var("SYSTEMROOT").unwrap_or("C:\\Windows");
+
+        let cmd = format!("{systemroot}\\System32\\cmd.exe");        
+        let cmd_out = dir.join("cmdout.exe"); 
+
+        std::fs::copy(cmd, cmd_out).unwrap();
+
+        unsafe { run_as_user(cmd_out.display().to_string().as_str(), "/c timeout 3") };
+    }
 }