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Update arithmetic.test.js #1

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75 changes: 75 additions & 0 deletions test/arithmetic.test.js
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Original file line number Diff line number Diff line change
Expand Up @@ -96,6 +96,81 @@ describe('Arithmetic', function () {
});
});

// UNIT TESTS FOR SUBTRACTION
describe('Subtraction', function () {
it('subtracts two positive integers', function (done) {
request.get('/arithmetic?operation=subtract&operand1=2&operand2=1')
.expect(200)
.end(function(err, res){
expect(res.body).to.eql({result: 1});
done();
});
});

it('subtracts a negative number from a positive number', function (done) {
request.get('/arithmetic?operation=subtract&operand1=2&operand2=-1')
.expect(200)
.end(function(err, res){
expect(res.body).to.eql({result: 3});
done();
});
});

it('subtracts a positive number from a negative number', function (done) {
request.get('/arithmetic?operation=subtract&operand1=-2&operand2=1')
.expect(200)
.end(function(err, res){
expect(res.body).to.eql({result: -3});
done();
});
});

it('subtracts two negative numbers', function (done) {
request.get('/arithmetic?operation=subtract&operand1=-2&operand2=-1')
.expect(200)
.end(function(err, res){
expect(res.body).to.eql({result: -1});
done();
});
});

it('subtracts zero from a number', function (done) {
request.get('/arithmetic?operation=subtract&operand1=2&operand2=0')
.expect(200)
.end(function(err, res){
expect(res.body).to.eql({result: 2});
done();
});
});

it('subtracts a number from zero', function (done) {
request.get('/arithmetic?operation=subtract&operand1=0&operand2=2')
.expect(200)
.end(function(err, res){
expect(res.body).to.eql({result: -2});
done();
});
});

it('subtracts two floating point numbers', function (done) {
request.get('/arithmetic?operation=subtract&operand1=1.5&operand2=0.5')
.expect(200)
.end(function(err, res){
expect(res.body).to.eql({result: 1.0});
done();
});
});

it('subtracts supporting exponential notation', function (done) {
request.get('/arithmetic?operation=subtract&operand1=1e1&operand2=9')
.expect(200)
.end(function(err, res){
expect(res.body).to.eql({result: 1});
done();
});
});
});


// UNIT TESTS FOR MULTIPLICATION
describe('Multiplication', function () {
Expand Down