public void DevideFractionsThrowDevideByZeroExceptionTest()
        {
            var left = new Fraction(1, 2);

            var right = new Fraction(0, 3);

            Assert.Throws <DivideByZeroException>(() => FractionCalculator.Devide(left, right));
        }
        public void DevideFractionsTest(int leftNum, int leftDen, int rightNum, int rightDen, int resNum, int resDen)
        {
            var left = new Fraction(leftNum, leftDen);

            var right = new Fraction(rightNum, rightDen);

            var result = FractionCalculator.Devide(left, right);

            Assert.Equal(resNum, result.Numerator);
            Assert.Equal(resDen, result.Denominator);
        }