/// <summary>
/// Determines whether this parameter can consume the specified instance.
/// </summary>
/// <param name="instance">The instance.</param>
/// <param name="info">The information.</param>
/// <returns>The result of the consumption</returns>
public override ConsumptionResult CanConsume(object instance, IterationInfo info)
{
if (HasBeenConsumed)
{
return(new ConsumptionResult(info, 0, null));
}
var values = info.FromNowOn().Take(MaxAllowed).ToArray();
return(new ConsumptionResult(info, values.Length, this));
}
public void Return_The_Current_Item_And_All_SubSequent_Items()
{
// arrange
var info0 = new IterationInfo(new string[0], 0);
var info1 = new IterationInfo("-h".Split(' '), 0);
var info2 = new IterationInfo("-v something".Split(' '), 0);
var info3 = new IterationInfo("a b c d e".Split(' '), 1);
// act
// assert
info0.FromNowOn().Should().BeEmpty();
info1.FromNowOn().Should().BeEquivalentTo("-h".Split(' '));
info2.FromNowOn().Should().BeEquivalentTo("-v something".Split(' '));
info3.FromNowOn().Should().BeEquivalentTo("b c d e".Split(' '));
}
/// <summary>
/// Determines whether this parameter can consume the specified instance.
/// </summary>
/// <param name="instance">The instance.</param>
/// <param name="info">The information.</param>
/// <returns>The result of the consumption</returns>
public override ConsumptionResult CanConsume(object instance, IterationInfo info)
{
if (!IsLetterMatch(info) && !IsWordMatch(info))
{
return(new ConsumptionResult(info, 0, null));
}
var canBeTaken = info.FromNowOn().ToList();
if (canBeTaken.Count < MinRequired)
{
return(new ConsumptionResult(info, 0, null));
}
var actuallyTaken = canBeTaken.Take(MaxAllowed).ToList();
return(new ConsumptionResult(info, actuallyTaken.Count, this));
}