zero factorial is 1
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1 changed files with 2 additions and 2 deletions
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@ -56,7 +56,7 @@ describe('power', function() {
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describe('factorial', function() {
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it('computes the factorial of 0', function() {
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expect(calculator.factorial(0)).toEqual(0);
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expect(calculator.factorial(0)).toEqual(1); // 0! = 1
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});
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it('computes the factorial of 1', function() {
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