10 lines
281 B
JavaScript
10 lines
281 B
JavaScript
const expect = require('expect');
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const {bottomVisible} = require('./_30s.js');
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test('bottomVisible is a Function', () => {
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expect(bottomVisible).toBeInstanceOf(Function);
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});
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test('bottomVisible returns a boolean', () => {
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expect(typeof bottomVisible()).toBe('boolean');
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});
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