10 lines
294 B
JavaScript
10 lines
294 B
JavaScript
const expect = require('expect');
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const primes = require('./primes.js');
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test('primes is a Function', () => {
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expect(primes).toBeInstanceOf(Function);
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});
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test('Generates primes up to a given number, using the Sieve of Eratosthenes.', () => {
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expect(primes(10)).toEqual([2, 3, 5, 7]);
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});
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