public void CalculationInValid1()
{
//arrange
Fraction test = new Fraction("1/3");
Fraction test2 = new Fraction("0");
//act
var result = FractionCalculator.Div(test, test2);
//assert
}
public void CalculationValid4()
{
//arrange
Fraction test = new Fraction("-1/3");
Fraction test2 = new Fraction("-1/2");
//act
var result = FractionCalculator.Div(test, test2);
//assert
Assert.AreEqual(2, result.Numerator);
Assert.AreEqual(3, result.Denominator);
}
public void CalculationValid3()
{
//arrange
Fraction test = new Fraction("2/3");
Fraction test2 = new Fraction("3/2");
//act
var result = FractionCalculator.Mul(test, test2);
//assert
Assert.AreEqual(1, result.Numerator);
Assert.AreEqual(1, result.Denominator);
}
public void CalculationValid2()
{
//arrange
Fraction test = new Fraction("1/3");
Fraction test2 = new Fraction("1/2");
//act
var result = FractionCalculator.Sub(test, test2);
//assert
Assert.AreEqual(-1, result.Numerator);
Assert.AreEqual(6, result.Denominator);
}
public static Fraction Sub(Fraction arg1, Fraction arg2)
{
Fraction minusOne = new Fraction("-1/1");
Fraction result = (Add(arg1, Mul(minusOne, arg2)));
result.OptimizeFraction();
return result;
}
public static Fraction Mul(Fraction arg1, Fraction arg2)
{
Fraction result = new Fraction((arg1.Numerator * arg2.Numerator).ToString() + "/" + (arg1.Denominator * arg2.Denominator).ToString());
result.OptimizeFraction();
return result;
}
public static Fraction Div(Fraction arg1, Fraction arg2)
{
if (arg2.Numerator == 0)
throw new DivideByZeroException();
Fraction result = new Fraction((arg1.Numerator*arg2.Denominator).ToString()+"/"+(arg1.Denominator*arg2.Numerator).ToString());
result.OptimizeFraction();
return result;
}
public void InputCorrect1()
{
//arrange
Fraction test = new Fraction("11");
//assert
Assert.AreEqual(11, test.Numerator);
Assert.AreEqual(1, test.Denominator);
}
public void InputException4()
{
//arrange
Fraction test = new Fraction("11/11/1");
}
public void InputCorrect4()
{
//arrange
Fraction test = new Fraction("-11/12");
//assert
Assert.AreEqual(-11, test.Numerator);
Assert.AreEqual(12, test.Denominator);
}
