public void FractionTestTwo()
{
FractionHelpers.GetFraction(new long[] { 4, 3, 2 }).Should().Be((30, 7));
// on the way to 0.234 (117/ 500) we should get to 11/47
FractionHelpers.GetContinuedFractionSequence(117, 500).Should().Contain((11, 47));
}
public void FractionTests()
{
FractionHelpers.GetContinuedFractionCoeffs(415, 93).Should().BeEquivalentTo(new[] { 4, 2, 6, 7 });
FractionHelpers.GetContinuedFractionCoeffs(31, 13).Should().BeEquivalentTo(new[] { 2, 2, 1, 1, 2 });
FractionHelpers.GetContinuedFractionCoeffs(1536, 2048).Should().BeEquivalentTo(new[] { 0, 1, 3 });
FractionHelpers.GetContinuedFractionCoeffs(117, 500).Should().BeEquivalentTo(new[] { 0, 4, 3, 1, 1, 1, 10 });
}
public void Subtract_GivenTwoFractions_ReturnsTheDifference(Fraction f1, Fraction f2, Fraction expected)
{
// Arrange & Act
var sum = FractionHelpers.Subtract(f1, f2);
output.WriteLine($"Subtract ({f1}, {f2}) = {sum}");
// Assert
Assert.Equal(expected, sum);
}
public void Add_GivenTwoFractions_ReturnsTheSum(Fraction f1, Fraction f2, Fraction expected)
{
// Arrange & Act
var sum = FractionHelpers.Add(f1, f2);
output.WriteLine($"Add ({f1}, {f2}) = {sum}");
// Assert
Assert.Equal(expected, sum);
}
public void Abs_GivenNegativeFraction_ReturnsPositiveFraction(Fraction fraction)
{
// Arrange & Act
var result = FractionHelpers.Abs(fraction);
output.WriteLine($"Abs ({fraction}) = {result}");
// Assert
Assert.True(result >= 0);
}
public static Fraction operator -(Fraction fraction, Fraction other)
{
return(FractionHelpers.Subtract(fraction, other));
}
public static Fraction operator +(Fraction fraction, Fraction other)
{
return(FractionHelpers.Add(fraction, other));
}
