private string GetRoundingText(Rounding rounding)
{
var roundingText = string.Empty;
if (rounding != null)
roundingText += string.Format(" ({0} {1}) ", GetRoundingStyleText(rounding), rounding.Step);
return roundingText;
}
protected override ComparerResult CompareObjects(object x, object y, Rounding rounding)
{
if (!(rounding is DateTimeRounding))
throw new ArgumentException("Rounding must be of type 'DateTimeRounding'");
return CompareObjects(x, y, (DateTimeRounding)rounding);
}
public ComparerResult Compare(object x, object y, Rounding rounding)
{
var eq = CompareBasic(x, y);
if (eq != null)
return eq;
return CompareObjects(x, y, rounding);
}
public NumericRounding(double step, Rounding.RoundingStyle style)
: base(step.ToString(NumberFormatInfo.InvariantInfo), style)
{
if (step <= 0)
throw new ArgumentException("The parameter '{0}' must be a value greater than zero.", "step");
this.step = step;
}
public virtual string GetText(ColumnRole role, ColumnType type, Tolerance tolerance, Rounding rounding)
{
var roleText = GetRoleText(role);
var typeText = GetTypeText(type);
var toleranceText = GetToleranceText(tolerance);
var roundingText = GetRoundingText(rounding);
var value = string.Format("{0} ({1}){2}{3}{4}", roleText, typeText, (toleranceText + roundingText).Length > 0 ? " " : "", toleranceText, roundingText);
return value;
}
public DateTimeRounding(TimeSpan step, Rounding.RoundingStyle style)
: base(step.ToString(), style)
{
if (step.Ticks <= 0)
throw new ArgumentException("The parameter 'step' must be a value greater than zero.", "step");
if (step.TotalDays > 1)
throw new ArgumentException("The parameter 'step' must be less or equal to one day", "step");
this.step = step;
}
private string GetRoundingStyleText(Rounding rounding)
{
switch (rounding.Style)
{
case Rounding.RoundingStyle.None:
return string.Empty;
case Rounding.RoundingStyle.Floor:
return "floor";
case Rounding.RoundingStyle.Round:
return "round";
case Rounding.RoundingStyle.Ceiling:
return "ceiling";
}
return "?";
}
public void GetValue_ValueStepStyle_NewValue(decimal value, int step, Rounding.RoundingStyle roundingStyle, decimal newValue)
{
var rounder = new NumericRounding(step, roundingStyle);
Assert.That(rounder.GetValue(value), Is.EqualTo(newValue));
}
protected abstract ComparerResult CompareObjects(object x, object y, Rounding rounding);
protected override ComparerResult CompareObjects(object x, object y, Rounding rounding)
{
throw new NotImplementedException("You cannot compare with a boolean comparer and a rounding.");
}
public void GetValue_ValueQuarterHourRoundingStyle_NewValue(DateTime value, Rounding.RoundingStyle roundingStyle, DateTime newValue)
{
var rounder = new DateTimeRounding(new TimeSpan(0, 0, 15, 0), roundingStyle);
Assert.That(rounder.GetValue(value), Is.EqualTo(newValue));
}
protected override ComparerResult CompareObjects(object x, object y, Rounding rounding)
{
throw new NotImplementedException("You cannot compare with a text comparer and a rounding.");
}
