mshv-ioctls: Add unit test for get/set vp state components

Signed-off-by: Muminul Islam <muislam@microsoft.com>

mshv-ioctls/src/ioctls/vcpu.rs

@@ -1531,4 +1531,19 @@ mod tests {
         let max_function = res[0];
         assert!(max_function >= 1);
     }
+
+    #[test]
+    fn test_get_set_vp_state_components() {
+        let hv = Mshv::new().unwrap();
+        let vm = hv.create_vm().unwrap();
+        let vcpu = vm.create_vcpu(0).unwrap();
+        let mut states = vcpu.get_all_vp_state_components().unwrap();
+        vcpu.set_all_vp_state_components(&mut states).unwrap();
+        let ret_states = vcpu.get_all_vp_state_components().unwrap();
+        assert!(states
+            .buffer
+            .iter()
+            .zip(ret_states.buffer)
+            .all(|(a, b)| *a == b));
+    }
 }