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zero factorial is 1

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This commit is contained in:
Jakub Broz 2018-01-01 15:56:20 +01:00
parent 9f4c1caf15
commit 5c78dc7ebe
1 changed files with 2 additions and 2 deletions
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4
calculator/calculator.spec.js
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@ -56,7 +56,7 @@ describe('power', function() {
describe('factorial', function() {
it('computes the factorial of 0', function() {
expect(calculator.factorial(0)).toEqual(0);
expect(calculator.factorial(0)).toEqual(1); // 0! = 1
});
it('computes the factorial of 1', function() {
@ -74,4 +74,4 @@ describe('factorial', function() {
it('computes the factorial of 10', function() {
expect(calculator.factorial(10)).toEqual(3628800);
});
});
});