10 lines
284 B
JavaScript
10 lines
284 B
JavaScript
const expect = require('expect');
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const {initial} = require('./_30s.js');
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test('initial is a Function', () => {
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expect(initial).toBeInstanceOf(Function);
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});
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test('Returns all the elements of an array except the last one', () => {
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expect(initial([1, 2, 3])).toEqual([1, 2]);
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});
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