The Assert class contains assertion methods for setting invariants in the code.
All method calls will be conditionally included only in a development
build, unless specified explicitly. See BuildOptions.ForceEnableAssertions.
The inclusion of an assertion is controlled by the UNITY_ASSERTIONS define.
Assert throws exceptions by default whenever an assertion fails.
You can however set Assertions.Assert._raiseExceptions to false and Unity then logs a message using LogType.Assert instead.
If a debugger is attached to the project (System.Diagnostics.Debugger.IsAttached is true),
AssertionException will be thrown in order to pause the excecution and
invoke the debugger.
using UnityEngine; using UnityEngine.Assertions;
public class AssertionExampleClass : MonoBehaviour { public int health; public GameObject go;
void Update() { // You expect the health never to be equal to zero Assert.AreNotEqual(0, health);
// The referenced GameObject should be always (in every frame) be active Assert.IsTrue(go.activeInHierarchy); } }
| AreApproximatelyEqual | Assert the values are approximately equal. |
| AreEqual | Assert that the values are equal. |
| AreNotApproximatelyEqual | Asserts that the values are approximately not equal. |
| AreNotEqual | Assert that the values are not equal. |
| IsFalse | Return true when the condition is false. Otherwise return false. |
| IsNotNull | Assert that the value is not null. |
| IsNull | Assert the value is null. |
| IsTrue | Asserts that the condition is true. |
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