public void FindLeastCommonMultiple_MultipleOf5_BiggerValueReturned()
{
var result = DenominatorHelper.FindLeastCommonMultiple(5, 10);
Assert.AreEqual(10, result);
var result2 = DenominatorHelper.FindLeastCommonMultiple(5, 25);
Assert.AreEqual(25, result2);
}
public static Fraction Add(Fraction firstFraction, Fraction secondFraction)
{
var leastCommonMultiple = DenominatorHelper.FindLeastCommonMultiple(firstFraction.Denominator, secondFraction.Denominator);
int newNumerator = firstFraction.Numerator * (leastCommonMultiple / firstFraction.Denominator) + secondFraction.Numerator * (leastCommonMultiple / secondFraction.Denominator);
var greatestCommonFactor = DenominatorHelper.FindGreatestCommonDivisor(newNumerator, leastCommonMultiple);
return(new Fraction(newNumerator / greatestCommonFactor, leastCommonMultiple / greatestCommonFactor));
}
public static Fraction Divide(Fraction firstFraction, Fraction secondFraction)
{
int newNumerator = firstFraction.Numerator * secondFraction.Denominator;
int newDenominator = firstFraction.Denominator * secondFraction.Numerator;
var greatestCommonFactor = DenominatorHelper.FindGreatestCommonDivisor(newNumerator, newDenominator);
return(new Fraction(newNumerator / greatestCommonFactor, newDenominator / greatestCommonFactor));
}
public void FindLeastCommonMultiple_NegativeValues_NegativeValueIgnored()
{
var result = DenominatorHelper.FindLeastCommonMultiple(-5, 10);
Assert.AreEqual(10, result);
var result2 = DenominatorHelper.FindLeastCommonMultiple(5, -25);
Assert.AreEqual(25, result2);
var result3 = DenominatorHelper.FindLeastCommonMultiple(-5, -25);
Assert.AreEqual(25, result3);
}
public void FindGreatestCommonDivisor_BiggestValueFirst_RightDivisorReturned()
{
var result = DenominatorHelper.FindGreatestCommonDivisor(150, 75);
Assert.AreEqual(75, result);
}
public void FindLeastCommonMultiple_PrimeValues_MultipliesBothNumber()
{
var result = DenominatorHelper.FindLeastCommonMultiple(7, 13);
Assert.AreEqual(91, result);
}
public void FindGreatestCommonDivisor_NegativeValue2_PositiveDividerReturned()
{
var result = DenominatorHelper.FindGreatestCommonDivisor(7, -13);
Assert.AreEqual(1, result);
}
public void FindGreatestCommonDivisor_WithPrimeNumber_OneReturned()
{
var result = DenominatorHelper.FindGreatestCommonDivisor(7, 13);
Assert.AreEqual(1, result);
}
public void FindGreatestCommonDivisor_SameValues_SameValueReturned()
{
var result = DenominatorHelper.FindGreatestCommonDivisor(4, 4);
Assert.AreEqual(4, result);
}
