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odin-default-js-exercises
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test 8 completed

This commit is contained in:
rajroushan6714 2023-08-24 14:02:00 +05:30
parent ef4f55ae1a
commit 8e3fa05fde
2 changed files with 36 additions and 27 deletions
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33
08_calculator/calculator.js
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@ -1,25 +1,34 @@
const add = function() { const add = function(n , m) {
return n + m;
}; };
const subtract = function() { const subtract = function(n , m) {
return n - m;
}; };
const sum = function() { const sum = function(myArray) {
let s = 0;
for(let i = 0 ;i < myArray.length ; i++){
s += myArray[i];
}
return s;
}; };
const multiply = function() { const multiply = function(myArray) {
let m = 1;
for(let i = 0 ;i < myArray.length ; i++){
m *= myArray[i];
}
return m;
}; };
const power = function() { const power = function(n , m) {
return Math.pow(n , m);
}; };
const factorial = function() { const factorial = function(n) {
if(n < 2) return 1;
return n * factorial(n - 1);
}; };
// Do not edit below this line // Do not edit below this line

30
08_calculator/calculator.spec.js
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@ -5,73 +5,73 @@ describe('add', () => {
expect(calculator.add(0, 0)).toBe(0); expect(calculator.add(0, 0)).toBe(0);
}); });
test.skip('adds 2 and 2', () => { test('adds 2 and 2', () => {
expect(calculator.add(2, 2)).toBe(4); expect(calculator.add(2, 2)).toBe(4);
}); });
test.skip('adds positive numbers', () => { test('adds positive numbers', () => {
expect(calculator.add(2, 6)).toBe(8); expect(calculator.add(2, 6)).toBe(8);
}); });
}); });
describe('subtract', () => { describe('subtract', () => {
test.skip('subtracts numbers', () => { test('subtracts numbers', () => {
expect(calculator.subtract(10, 4)).toBe(6); expect(calculator.subtract(10, 4)).toBe(6);
}); });
}); });
describe('sum', () => { describe('sum', () => {
test.skip('computes the sum of an empty array', () => { test('computes the sum of an empty array', () => {
expect(calculator.sum([])).toBe(0); expect(calculator.sum([])).toBe(0);
}); });
test.skip('computes the sum of an array of one number', () => { test('computes the sum of an array of one number', () => {
expect(calculator.sum([7])).toBe(7); expect(calculator.sum([7])).toBe(7);
}); });
test.skip('computes the sum of an array of two numbers', () => { test('computes the sum of an array of two numbers', () => {
expect(calculator.sum([7, 11])).toBe(18); expect(calculator.sum([7, 11])).toBe(18);
}); });
test.skip('computes the sum of an array of many numbers', () => { test('computes the sum of an array of many numbers', () => {
expect(calculator.sum([1, 3, 5, 7, 9])).toBe(25); expect(calculator.sum([1, 3, 5, 7, 9])).toBe(25);
}); });
}); });
describe('multiply', () => { describe('multiply', () => {
test.skip('multiplies two numbers', () => { test('multiplies two numbers', () => {
expect(calculator.multiply([2, 4])).toBe(8); expect(calculator.multiply([2, 4])).toBe(8);
}); });
test.skip('multiplies several numbers', () => { test('multiplies several numbers', () => {
expect(calculator.multiply([2, 4, 6, 8, 10, 12, 14])).toBe(645120); expect(calculator.multiply([2, 4, 6, 8, 10, 12, 14])).toBe(645120);
}); });
}); });
describe('power', () => { describe('power', () => {
test.skip('raises one number to the power of another number', () => { test('raises one number to the power of another number', () => {
expect(calculator.power(4, 3)).toBe(64); // 4 to third power is 64 expect(calculator.power(4, 3)).toBe(64); // 4 to third power is 64
}); });
}); });
describe('factorial', () => { describe('factorial', () => {
test.skip('computes the factorial of 0', () => { test('computes the factorial of 0', () => {
expect(calculator.factorial(0)).toBe(1); // 0! = 1 expect(calculator.factorial(0)).toBe(1); // 0! = 1
}); });
test.skip('computes the factorial of 1', () => { test('computes the factorial of 1', () => {
expect(calculator.factorial(1)).toBe(1); expect(calculator.factorial(1)).toBe(1);
}); });
test.skip('computes the factorial of 2', () => { test('computes the factorial of 2', () => {
expect(calculator.factorial(2)).toBe(2); expect(calculator.factorial(2)).toBe(2);
}); });
test.skip('computes the factorial of 5', () => { test('computes the factorial of 5', () => {
expect(calculator.factorial(5)).toBe(120); expect(calculator.factorial(5)).toBe(120);
}); });
test.skip('computes the factorial of 10', () => { test('computes the factorial of 10', () => {
expect(calculator.factorial(10)).toBe(3628800); expect(calculator.factorial(10)).toBe(3628800);
}); });
}); });