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Jest · Module

rejects

Use expect(promise).rejects to test that an asynchronous operation fails. Return the assertion or await it so Jest waits for the rejection check.

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Syntax

await expect(promise).rejects.matcher(expected)

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  • expect
  • resolves
  • toMatch
  • toEqual
  • assertions
  • async
  • await
  • catch

Source: Asynchronous Code · Jest. Checked 2026-11-03.