33 lines
792 B
JavaScript
33 lines
792 B
JavaScript
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import { microtaskDebounce, taskDebounce } from '../../src/utils/debounce';
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const microTasksAvailable = window.Promise
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describe('utils/debounce', () => {
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it('microtaskDebounce: should be called only once', done => {
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if (!microTasksAvailable) {
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pending();
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}
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let i = 0;
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const debounced = microtaskDebounce(() => i++);
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debounced();
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debounced();
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debounced();
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setTimeout(() => {
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expect(i).toBe(1, 'debounce is called only once');
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done();
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}, 1);
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});
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it('taskDebounce: should be called only once', done => {
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let i = 0;
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const debounced = taskDebounce(() => i++);
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debounced();
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debounced();
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debounced();
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setTimeout(() => {
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expect(i).toBe(1, 'debounce is called only once');
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done();
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}, 1);
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});
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});
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