14 lines
494 B
JavaScript
14 lines
494 B
JavaScript
const expect = require('expect');
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const factorial = require('./factorial.js');
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test('factorial is a Function', () => {
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expect(factorial).toBeInstanceOf(Function);
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});
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t.equal(factorial(6), 720, "Calculates the factorial of 720");
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t.equal(factorial(0), 1, "Calculates the factorial of 0");
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t.equal(factorial(1), 1, "Calculates the factorial of 1");
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t.equal(factorial(4), 24, "Calculates the factorial of 4");
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t.equal(factorial(10), 3628800, "Calculates the factorial of 10");
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