/// <summary>
/// Checks that the actual expression is in the inheritance hierarchy of the given kind or of the same kind.
/// </summary>
/// <typeparam name="T">The Type which is expected to be a base Type of the actual expression.</typeparam>
/// <param name="check">The fluent check to be extended.</param>
/// <exception cref="FluentCheckException">The checked expression is not in the inheritance hierarchy of the given kind.</exception>
public static void InheritsFrom <T>(this ICheck <object> check)
{
var checker = ExtensibilityHelper.ExtractChecker(check);
Type instanceType = checker.Value.GetTypeWithoutThrowingException();
Type expectedBaseType = typeof(T);
checker.ExecuteNotChainableCheck(
() => IsInstanceHelper.InheritsFrom(checker, expectedBaseType),
string.Format("\nThe checked expression is part of the inheritance hierarchy or of the same type than the specified one.\nIndeed, checked expression type:\n\t[{0}]\nis a derived type of\n\t[{1}].", instanceType.ToStringProperlyFormated(), expectedBaseType.ToStringProperlyFormated()));
}
/// <summary>
/// Checks that the actual expression is in the inheritance hierarchy of the given type or of the same type.
/// </summary>
/// <typeparam name="T">The Type which is expected to be a base Type of the actual expression.</typeparam>
/// <param name="fluentAssertion">The fluent assertion to be extended.</param>
/// <returns>
/// A chainable fluent assertion.
/// </returns>
/// <exception cref="FluentAssertionException">The checked expression is not in the inheritance hierarchy of the given type.</exception>
public static IChainableFluentAssertion <IFluentAssertion <object> > InheritsFrom <T>(this IFluentAssertion <object> fluentAssertion)
{
var assertionRunner = fluentAssertion as IFluentAssertionRunner <object>;
var runnableAssertion = fluentAssertion as IRunnableAssertion <object>;
Type instanceType = runnableAssertion.Value.GetTypeWithoutThrowingException();
Type expectedBaseType = typeof(T);
return(assertionRunner.ExecuteAssertion(
() =>
{
IsInstanceHelper.InheritsFrom(runnableAssertion.Value, expectedBaseType);
},
string.Format("\nThe checked expression is part of the inheritance hierarchy or of the same type than the specified one.\nIndeed, checked expression type:\n\t[{0}]\nis a derived type of\n\t[{1}].", instanceType.ToStringProperlyFormated(), expectedBaseType.ToStringProperlyFormated())));
}
/// <summary>
/// Checks that the actual expression is in the inheritance hierarchy of the given kind or of the same kind.
/// </summary>
/// <typeparam name="T">Type of SUT</typeparam>
/// <param name="check">The fluent check to be extended.</param>
/// <param name="parentType">Expected type that should be^part of hierarchy</param>
/// <returns>a check link object</returns>
public static ICheckLink <ICheck <T> > InheritsFromType <T>(this ICheck <T> check, Type parentType)
{
IsInstanceHelper.InheritsFrom(check, parentType);
return(ExtensibilityHelper.BuildCheckLink(check));
}