/// <summary>
/// Checks whether if the checked value is of the given type.
/// </summary>
/// <typeparam name="TU">The given type to check the checked value against.</typeparam>
/// <returns>A chainable check.</returns>
/// <exception cref="FluentCheckException">The specified value is null (and not of the same nullable type) or not of the given type.</exception>
public ICheckLink <ICheck <T> > IsInstanceOf <TU>()
{
if (typeof(T).IsNullable())
{
return(this.checker.ExecuteCheck(
() => IsInstanceHelper.IsSameType(typeof(T), typeof(TU), this.Value),
IsInstanceHelper.BuildErrorMessageForNullable(typeof(T), typeof(TU), this.Value, true)));
}
return(this.checker.ExecuteCheck(() => IsInstanceHelper.IsInstanceOf(this.Value, typeof(TU)), IsInstanceHelper.BuildErrorMessage(this.Value, typeof(TU), true)));
}
/// <summary>
/// Checks that the actual instance is an instance of the given type.
/// </summary>
/// <typeparam name="T">The expected Type of the instance.</typeparam>
/// <param name="fluentAssertion">The fluent assertion to be extended.</param>
/// <returns>
/// A chainable fluent assertion.
/// </returns>
/// <exception cref="FluentAssertionException">The actual instance is not of the provided type.</exception>
public static IChainableFluentAssertion <IFluentAssertion <int?> > IsInstanceOf <T>(this IFluentAssertion <int?> fluentAssertion)
{
var assertionRunner = fluentAssertion as IFluentAssertionRunner <int?>;
IRunnableAssertion <int?> runnableAssertion = fluentAssertion as IRunnableAssertion <int?>;
assertionRunner.ExecuteAssertion(
() =>
{
IsInstanceHelper.IsSameType(typeof(Nullable <int>), typeof(T), runnableAssertion.Value);
},
IsInstanceHelper.BuildErrorMessageForNullable(typeof(Nullable <int>), typeof(T), runnableAssertion.Value, true));
return(new ChainableFluentAssertion <IFluentAssertion <int?> >(fluentAssertion));
}
/// <summary>
/// Checks whether if the checked value is different from the given type.
/// </summary>
/// <typeparam name="U">The given type to check the checked value against.</typeparam>
/// <returns>A chainable check.</returns>
/// <exception cref="FluentCheckException">The specified value is of the given type.</exception>
public ICheckLink <ICheck <T> > IsNotInstanceOf <U>()
{
if (typeof(T).IsNullable())
{
this.checker.ExecuteCheck(
() =>
{
if (typeof(T) == typeof(U))
{
throw new FluentCheckException(IsInstanceHelper.BuildErrorMessageForNullable(typeof(T), typeof(U), this.Value, true));
}
},
IsInstanceHelper.BuildErrorMessageForNullable(typeof(T), typeof(U), this.Value, false));
return(new CheckLink <ICheck <T> >(this));
}
return(this.checker.ExecuteCheck(
() => IsInstanceHelper.IsNotInstanceOf(this.Value, typeof(U)), IsInstanceHelper.BuildErrorMessage(this.Value, typeof(U), false)));
}