11 lines
328 B
JavaScript
11 lines
328 B
JavaScript
const expect = require('expect');
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const ary = require('./ary.js');
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test('ary is a Function', () => {
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expect(ary).toBeInstanceOf(Function);
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});
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const firstTwoMax = ary(Math.max, 2);
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test('Discards arguments with index >=n', () => {
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expect([[2, 6, 'a'], [8, 4, 6], [10]].map(x => firstTwoMax(...x))).toEqual([6, 8, 10]);
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});
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