<div class='type'>Function</div>


<a id='references'></a>


<h2 id="assertison">assertIsOn</h2>

<div class='sourceset sourceset-common'>Common</div>


```kotlin
fun SemanticsNodeInteraction.assertIsOn(): SemanticsNodeInteraction
```


Asserts that the current semantics node is checked.

Throws `AssertionError` if the node is not unchecked, indeterminate, or not toggleable.