Version: 2017.3
public static void IsNotNull (T value);
public static void IsNotNull (T value, string message);

Description

Asserts that the value is not null.

using UnityEngine;
using UnityEngine.Assertions;

public class AssertionExampleClass : MonoBehaviour { MyClass myClassReference; void Update() { //Make sure the myClassReference reference is set Assert.IsNotNull(myClassReference); } }

public class MyClass {}