private IEnumerable <CallThatShouldThrow> GetArgumentPermutationsThatShouldThrow()
{
var result = new List <CallThatShouldThrow>();
int index = 0;
foreach (var argument in this.ValidArguments)
{
if (argument.Value != null && IsNullableType(argument.ArgumentType))
{
var permutation = new CallThatShouldThrow
{
ArgumentName = argument.Name,
Arguments = this.ArgumentValues.Take(index)
.Concat(default(object))
.Concat(this.ArgumentValues.Skip(index + 1))
.ToArray()
};
result.Add(permutation);
}
index++;
}
return(result);
}
private static string GetFailingCallDescription(CallThatShouldThrow call)
{
var result = new StringBuilder();
result.Append("(");
AppendArgumentList(result, call.Arguments);
result.Append(") ");
AppendFailReason(result, call);
return(result.ToString());
}
private static void AppendFailReason(StringBuilder description, CallThatShouldThrow call)
{
if (call.Thrown == null)
{
description.Append("did not throw any exception.");
}
else
{
var argumentNullException = call.Thrown as ArgumentNullException;
if (argumentNullException != null)
{
description.Append("threw ArgumentNullException with wrong argument name, it should be \"{0}\".".FormatInvariant(call.ArgumentName));
}
else
{
description.Append("threw unexpected {0}.".FormatInvariant(call.Thrown.GetType().FullName));
}
}
}
private IEnumerable<CallThatShouldThrow> GetArgumentPermutationsThatShouldThrow()
{
var result = new List<CallThatShouldThrow>();
int index = 0;
foreach (var argument in this.ValidArguments)
{
if (argument.Value != null && IsNullableType(argument.ArgumentType))
{
var permutation = new CallThatShouldThrow();
permutation.ArgumentName = argument.Name;
permutation.Arguments = this.ArgumentValues.Take(index).Concat(new object[] { null }).Concat(this.ArgumentValues.Skip(index + 1)).ToArray();
result.Add(permutation);
}
index++;
}
return result;
}
private static string GetFailingCallDescription(CallThatShouldThrow call)
{
var result = new StringBuilder();
result.Append("(");
AppendArgumentList(result, call.Arguments);
result.Append(") ");
AppendFailReason(result, call);
return result.ToString();
}
private static void AppendFailReason(StringBuilder description, CallThatShouldThrow call)
{
if (call.Thrown == null)
{
description.Append("did not throw any exception.");
}
else
{
var argumentNullException = call.Thrown as ArgumentNullException;
if (argumentNullException != null)
{
description.Append(CommonExtensions.FormatInvariant("threw ArgumentNullException with wrong argument name, it should be \"{0}\".", call.ArgumentName));
}
else
{
description.Append(CommonExtensions.FormatInvariant("threw unexpected {0}.", call.Thrown.GetType().FullName));
}
}
}
