mirror of
https://github.com/shaka-project/shaka-player.git
synced 2026-06-16 16:16:40 +03:00
Wojciech Tyczyński
e0a57bb27d
Due to usage of `==` instead of `===` Lazy utility does not work correctly with null generators, despite of what is stated in documentation.
34 lines
1.1 KiB
JavaScript
34 lines
1.1 KiB
JavaScript
/*! @license
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* Shaka Player
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* Copyright 2025 Google LLC
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* SPDX-License-Identifier: Apache-2.0
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*/
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describe('Lazy', () => {
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it('returns the same object each time', () => {
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const generator = jasmine.createSpy('generator').and.returnValue({});
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const lazy = new shaka.util.Lazy(shaka.test.Util.spyFunc(generator));
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const value = lazy.value();
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const value2 = lazy.value();
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expect(value).toBe(value2);
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expect(generator).toHaveBeenCalledTimes(1);
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});
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it('works correctly for primitive value', () => {
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const generator = jasmine.createSpy('generator').and.returnValue(7);
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const lazy = new shaka.util.Lazy(shaka.test.Util.spyFunc(generator));
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const value = lazy.value();
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const value2 = lazy.value();
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expect(value).toBe(value2);
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expect(generator).toHaveBeenCalledTimes(1);
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});
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it('works correctly for null', () => {
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const generator = jasmine.createSpy('generator').and.returnValue(null);
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const lazy = new shaka.util.Lazy(shaka.test.Util.spyFunc(generator));
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const value = lazy.value();
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expect(value).toBe(null);
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expect(generator).toHaveBeenCalledTimes(1);
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});
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});
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