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Module

std/expect/_to_be_nan_test.ts

Deno standard library
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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);});