// Using the Ruby language, have the function SimpleAdding(num) add up
// all the numbers from 1 to num. For the test cases, the parameter
// num will be any number from 1 to 1000.
describe('simpleAdding', function() {
    'use strict';
    it('adds all of the number before upper limmit Input = 12 Output = 78', function() {
        var input = 12,
            output = 78;
        expect(simpleAdding(input)).toEqual(output);
    });
});
@@ -238,140 +238,724 @@
     
-it('adds all of the number before upper limmit Input = 12 Output = 78', function() %7B%0A        var input = 12,%0A            output = 78
+ it('check to see if input is a number input = 1 output = true', function() %7B%0A        var input = 1,%0A            output = true;%0A        expect(isDigit(input)).toEqual(output);%0A    %7D);%0A    it('check to see if input is a number input = a output = false', function() %7B%0A        var input = 'a',%0A            output = false;%0A        expect(isDigit(input)).toEqual(output);%0A    %7D);%0A    it('adds all of the number before upper limmit Input = 12 Output = 78', function() %7B%0A        var input = 12,%0A            output = 78;%0A        expect(simpleAdding(input)).toEqual(output);%0A    %7D);%0A    it('adds all of the number before upper limmit Input = 140 Output = 9870', function() %7B%0A        var input = 140,%0A            output = 9870
 ;%0A  

add 3 more test in simpleAdding_spec to cover more scenarios