10 lines
377 B
JavaScript
10 lines
377 B
JavaScript
const expect = require('expect');
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const reduceSuccessive = require('./reduceSuccessive.js');
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test('reduceSuccessive is a Function', () => {
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expect(reduceSuccessive).toBeInstanceOf(Function);
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});
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test('Returns the array of successively reduced values', () => {
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expect(reduceSuccessive([1, 2, 3, 4, 5, 6], (acc, val) => acc + val, 0)).toEqual([0, 1, 3, 6, 10, 15, 21]);
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});
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