Function throws

packages/bun-test-effect/src/utils.ts:144–161

(
  thunk: () => void,
  error?: Error | ((u: unknown) => undefined),
  ..._: Array<never>
)

 * @since 0.21.0
 */
export function throws(
  thunk: () => void,
  error?: Error | ((u: unknown) => undefined),
  ..._: Array<never>
) {
  try {
    thunk();
    fail('Expected to throw an error');
  } catch (e) {
    if (error !== undefined) {
      if (Predicate.isFunction(error)) {
        error(e);
      } else {
        deepStrictEqual(e, error);
      }
    }
  }
}

/**
 * Asserts that `thunk` throws an error.