10 lines
239 B
JavaScript
10 lines
239 B
JavaScript
const expect = require('expect');
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const sum = require('./sum.js');
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test('sum is a Function', () => {
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expect(sum).toBeInstanceOf(Function);
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});
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t.equal(sum(...[1, 2, 3, 4]), 10, "Returns the sum of two or more numbers/arrays.");
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