/// <summary>
/// Calculates the difference between 2 values in absolute/percent mode.
/// </summary>
/// <param name="expected">The expected value</param>
/// <param name="actual">The actual value</param>
/// <param name="toleranceMode">Tolerance mode to specify difference representation</param>
/// <returns>The difference between the values</returns>
internal static object Difference(object expected, object actual, ToleranceMode toleranceMode)
{
switch (toleranceMode)
{
case ToleranceMode.Linear:
return(Difference(expected, actual, true));
case ToleranceMode.Percent:
return(Difference(expected, actual, false));
default:
throw new InvalidOperationException("Cannot calculate a difference for specified tolerance mode");
}
}
/// <summary>
/// Constructs a tolerance given an amount and <see cref="ToleranceMode"/>
/// </summary>
private Tolerance(object amount, ToleranceMode mode)
{
Amount = amount;
Mode = mode;
}
/// <summary>
/// Constructs a tolerance given an amount and ToleranceMode
/// </summary>
private Tolerance(object amount, ToleranceMode mode)
{
this.amount = amount;
this.mode = mode;
}
/// <summary>
/// Constructs a tolerance given an amount and ToleranceMode
/// </summary>
private Tolerance(object amount, ToleranceMode mode)
{
this.amount = amount;
this.mode = mode;
}
