/// <summary>
/// Specifies the exception to throw when the async method is invoked.
/// </summary>
public static void Throws <TResult>(this ValueTask <TResult> target, Exception exception)
{
target.Returns(() =>
{
var tcs = new TaskCompletionSource <TResult>();
tcs.SetException(exception);
return(new ValueTask <TResult>(tcs.Task));
});
}
public static ConfiguredCall ReturnsNull <T>(this ValueTask <T> value) where T : class => value.Returns(default(T));
/// <summary>
/// Sets the return value for a property or non-void async method to
/// be evaluated dynamically using the given function on every
/// call, while allowing access to all arguments of the invocation,
/// including ref/out arguments.
/// </summary>
public static ValueTask <TResult> ReturnsAsync <TResult>(this ValueTask <TResult> target, Func <IArgumentCollection, TResult> value)
{
target.Returns(args => new ValueTask <TResult>(Task.FromResult(value(args))));
return(target);
}
/// <summary>
/// Sets the return value for a property or non-void async method.
/// </summary>
public static ValueTask <TResult> ReturnsAsync <TResult>(this ValueTask <TResult> target, Func <TResult> value)
{
target.Returns(() => new ValueTask <TResult>(Task.FromResult(value())));
return(target);
}
/// <summary>
/// Set null as returned value for this call.
/// </summary>
/// <typeparam name="T"></typeparam>
/// <param name="value"></param>
/// <returns></returns>
public static ConfiguredCall ReturnsNull <T>(this ValueTask <T> value) where T : class
{
return(value.Returns(i => SubstituteExtensions.CompletedValueTask <T>(null)));
}
