---
title: "assertLeftPositionInRootIsEqualTo"
description: "Asserts that the layout of this node has the left position in the root composable that is equal to the given position."
type: "function"
lastmod: "2026-06-18T10:32:52.427629Z"
---
## API Reference

### assertLeftPositionInRootIsEqualTo

> Source set: Android

```kotlin
@CanIgnoreReturnValue
public fun SubspaceSemanticsNodeInteraction.assertLeftPositionInRootIsEqualTo(
    expectedLeft: Dp
): SubspaceSemanticsNodeInteraction
```

Asserts that the layout of this node has the left position in the root composable that is equal
to the given position.

#### Parameters

| | |
| --- | --- |
| expectedLeft | The left position to assert. |