tod
/
odin-default-js-exercises
1
0
Fork 0
Code Issues Pull Requests Packages Projects Releases Wiki Activity

finished sumAll.js exercise

This commit is contained in:
Denzel 2020-01-04 11:40:03 +08:00
parent 300930e15a
commit 1a7921ed56
2 changed files with 20 additions and 8 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

16
sumAll/sumAll.js
View File

@ -1,5 +1,17 @@
const sumAll = function() { const sumAll = function(num1, num2) {
if (Math.sign(num1) === 1 && Math.sign(num2) === 1) {
if (Number.isInteger(num1) && Number.isInteger(num2)) {
let total = 0;
for (let i = num1; i < num2 + 1; i++) {
total += i;
}
return total;
} else {
return "ERROR";
}
} else {
return "ERROR";
}
} }
module.exports = sumAll module.exports = sumAll

8
sumAll/sumAll.spec.js
View File

@ -4,19 +4,19 @@ describe('sumAll', function() {
it('sums numbers within the range', function() { it('sums numbers within the range', function() {
expect(sumAll(1, 4)).toEqual(10); expect(sumAll(1, 4)).toEqual(10);
}); });
xit('works with large numbers', function() { it('works with large numbers', function() {
expect(sumAll(1, 4000)).toEqual(8002000); expect(sumAll(1, 4000)).toEqual(8002000);
}); });
xit('works with larger number first', function() { xit('works with larger number first', function() {
expect(sumAll(123, 1)).toEqual(7626); expect(sumAll(123, 1)).toEqual(7626);
}); });
xit('returns ERROR with negative numbers', function() { it('returns ERROR with negative numbers', function() {
expect(sumAll(-10, 4)).toEqual('ERROR'); expect(sumAll(-10, 4)).toEqual('ERROR');
}); });
xit('returns ERROR with non-number parameters', function() { it('returns ERROR with non-number parameters', function() {
expect(sumAll(10, "90")).toEqual('ERROR'); expect(sumAll(10, "90")).toEqual('ERROR');
}); });
xit('returns ERROR with non-number parameters', function() { it('returns ERROR with non-number parameters', function() {
expect(sumAll(10, [90, 1])).toEqual('ERROR'); expect(sumAll(10, [90, 1])).toEqual('ERROR');
}); });
}); });