internal CheckMember(ICheck <T> originalCheck, Expression <Func <T, TM> > extractor, string name)
{
var syntaxHelper = (FluentSut <T>)originalCheck;
this.originalCheck = originalCheck;
var sub = syntaxHelper.Extract(sut => extractor.Compile().Invoke(sut),
x => $"{x.SutName.EntityName}'s {name}", this);
this.fluentCheck = new FluentCheck <TM>(sub, false)
{
CustomMessage = syntaxHelper.CustomMessage
};
}
/// <summary>
/// Allows to check some property of the raised exception
/// </summary>
/// <typeparam name="T">Exception type</typeparam>
/// <typeparam name="TM">Property/field type</typeparam>
/// <param name="checker">Syntax helper</param>
/// <param name="propertyExpression">Extracting expression.</param>
/// <returns>A checker object for the property value</returns>
public static ICheck <TM> WhichMember <T, TM>(this ILambdaExceptionCheck <T> checker, Expression <Func <T, TM> > propertyExpression)
where T : Exception
{
var syntaxHelper = (FluentSut <T>)checker;
var name = GetPropertyNameFromExpression(propertyExpression);
var sub = syntaxHelper.Extract(propertyExpression.Compile(),
value => $"{value.SutName.EntityName}'s {name}");
var res = new FluentCheck <TM>(sub, syntaxHelper.Negated)
{
CustomMessage = syntaxHelper.CustomMessage
};
return(res);
}