angular/packages/core/test/util_spec.ts

/**
 * @license
 * Copyright Google LLC All Rights Reserved.
 *
 * Use of this source code is governed by an MIT-style license that can be
 * found in the LICENSE file at https://angular.dev/license
 */

import {stringify} from '../src/util/stringify';

describe('stringify', () => {
  it('should return string undefined when toString returns undefined', () =>
    expect(stringify({toString: (): any => undefined})).toBe('undefined'));

  it('should return string null when toString returns null', () =>
    expect(stringify({toString: (): any => null})).toBe('null'));
});