---
title: "notDeepEqual"
source: "https://github.com/remix-run/remix/blob/8905f3943706e1f53696ab83e70a84873cabfc90/packages/assert/src/lib/assert.ts#L401"
---

# notDeepEqual

## Summary

Asserts that `actual` and `expected` are **not** deeply equal.

## Signature

```ts
function notDeepEqual<_value>(actual: unknown, expected: unknown, message: AssertionMessage): void

```

## Example

```ts
assert.notDeepEqual(result, { id: 1, name: 'Alice' })

```

## Parameters

### `actual`

The value produced by the code under test.

### `expected`

The value that `actual` must not deeply equal.

### `message`

Optional failure message.