15 lines
424 B
JavaScript
15 lines
424 B
JavaScript
const expect = require('expect');
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const {counter} = require('./_30s.js');
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test('counter is a Function', () => {
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expect(counter).toBeInstanceOf(Function);
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});
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test('counter does not throw errors', () => {
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expect(() => {
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document.body.appendChild(document.createElement('div'));
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counter('div', 1, 1000, 5, 2000);
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counter('div', 1000, 1, 5, 2000);
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counter('div', 1, 1000);
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}).not.toThrow(TypeError);
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});
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