15 lines
557 B
JavaScript
15 lines
557 B
JavaScript
const expect = require('expect');
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const sampleSize = require('./sampleSize.js');
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test('Testing sampleSize', () => {
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//For more information on all the methods supported by tape
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//Please go to https://github.com/substack/tape
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expect(typeof sampleSize === 'function').toBeTruthy();
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const arr = [3,7,9,11];
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expect(sampleSize(arr).length).toBe(1);
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expect(sampleSize(arr, 2).every(x => arr.includes(x))).toBeTruthy();
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expect(sampleSize(arr, 5).length).toBe(4);
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expect(sampleSize([], 2)).toEqual([]);
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expect(sampleSize(arr, 0)).toEqual([]);
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});
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