internal static bool EvaluateParameterHelper(IAttributeInfo traitAttribute)
{
// Parse the traitAttribute. We make sure it contains two parts:
// 1. Type 2. nameof(conditionMemberName)
object[] conditionArguments = traitAttribute.GetConstructorArguments().ToArray();
Debug.Assert(conditionArguments.Count() == 2);
Type calleeType = null;
string[] conditionMemberNames = null;
if (ConditionalTestDiscoverer.CheckInputToSkipExecution(conditionArguments, ref calleeType, ref conditionMemberNames))
{
return(true);
}
foreach (string entry in conditionMemberNames)
{
// Null condition member names are silently tolerated.
if (string.IsNullOrWhiteSpace(entry))
{
continue;
}
MethodInfo conditionMethodInfo = ConditionalTestDiscoverer.LookupConditionalMethod(calleeType, entry);
if (conditionMethodInfo == null)
{
throw new InvalidOperationException($"Unable to get MethodInfo, please check input for {entry}.");
}
// If one of the conditions is false, then return the category failing trait.
if (!(bool)conditionMethodInfo.Invoke(null, null))
{
return(false);
}
}
return(true);
}
internal static bool Evaluate(Type calleeType, string[] conditionMemberNames)
{
foreach (string entry in conditionMemberNames)
{
// Null condition member names are silently tolerated.
if (string.IsNullOrWhiteSpace(entry))
{
continue;
}
MethodInfo conditionMethodInfo = ConditionalTestDiscoverer.LookupConditionalMethod(calleeType, entry);
if (conditionMethodInfo == null)
{
throw new InvalidOperationException($"Unable to get MethodInfo, please check input for {entry}.");
}
if (!(bool)conditionMethodInfo.Invoke(null, null))
{
return(false);
}
}
return(true);
}
