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// Copyright 2018-2024 the Deno authors. All rights reserved. MIT license.
import { expect } from "./expect.ts";import { AssertionError, assertThrows } from "../assert/mod.ts";
Deno.test("expect().toBeNaN()", () => {  expect(NaN).toBeNaN();
  expect(1).not.toBeNaN();
  assertThrows(() => {    expect(1).toBeNaN();  }, AssertionError);
  assertThrows(() => {    expect(NaN).not.toBeNaN();  }, AssertionError);});