Function getError

test/core/test/jest-expect.test.ts:1401–1410

(f: () => unknown)

}

function getError(f: () => unknown) {
  try {
    f()
  }
  catch (error) {
    const processed = processError(error)
    return [stripVTControlCharacters(processed.message), stripVTControlCharacters(trim(processed.diff!))]
  }
  return expect.unreachable()
}

it('toMatchObject', () => {
  expect(() => expect(null).toMatchObject(new Set()))