public void TestExp() {
            var calc = new CalculatorWithTests.Calculator();

            var result = calc.Exp(2, 3);

            Assert.AreEqual(8, result);
        }
        public void TestDivNums() {
            var calc = new CalculatorWithTests.Calculator();

            var result = calc.DivNums(20, 4);

            Assert.AreEqual(5, result);
        }
 public void TestAddNums() {
     // Arrange
     var calculator = new CalculatorWithTests.Calculator();
     // Act
     var result = calculator.AddNums(13, 17);
     // Assert
     Assert.AreEqual(30, result);
 }
        public void TestMultNums() {

            var calc = new CalculatorWithTests.Calculator();

            var result = calc.MultNums(5, 5);

            Assert.AreEqual(25, result);
        }
        public void TestSubNums() {
            // Arrange
            var calc = new CalculatorWithTests.Calculator();

            //Act
            var result = calc.SubNums(17, 13);

            // Assert
            Assert.AreEqual(4, result);
        }