private ITestInstruction <object> ContinueWithError <T>(
ITestInstruction <T> first,
Strategy strategy)
{
switch (strategy)
{
case Strategy.Continuation:
return(first.ContinueWith(_ => ErrorInstruction));
case Strategy.Instruction:
return(first.ContinueWith(ErrorInstruction));
default:
throw new ArgumentOutOfRangeException(nameof(strategy), strategy, "Unhandled strategy");
}
}
private ITestInstruction <object> ContinueWithNothing <T>(
ITestInstruction <T> first,
Strategy strategy)
{
var second = this.waitForSecond.ExpectWithinSeconds(1);
switch (strategy)
{
case Strategy.Continuation:
return(first.ContinueWith(_ => second));
case Strategy.Instruction:
return(first.ContinueWith(second));
default:
throw new ArgumentOutOfRangeException(nameof(strategy), strategy, "Unhandled strategy");
}
}
/// <summary>
/// Standard extension method required to support LINQ query syntax.
/// Should not be used directly.
/// </summary>
public static ITestInstruction <TResult> SelectMany <TSource, TSelector, TResult>(
this ITestInstruction <TSource> source,
Func <TSource, ITestInstruction <TSelector> > selector,
Func <TSource, TSelector, TResult> resultSelector) =>
source
.ContinueWith(x => selector(x).Select(y => resultSelector(x, y)));