public void NullCasts()
{
ServiceResult <ArgumentException> result = ServiceResult.Success <ArgumentException>(null);
result.Cast <InvalidOperationException>().Value.Should().BeNull();
result.Cast <long?>().Value.Should().BeNull();
}
public void ValueCasts()
{
ServiceResult <long> result = ServiceResult.Success(1L);
result.Value.GetType().Should().Be(typeof(long));
result.Cast <long>().Value.GetType().Should().Be(typeof(long));
Assert.Throws <InvalidCastException>(() => result.Cast <int>().Value.Should().Be(1));
}
public void ReferenceCasts()
{
ServiceResult <ArgumentException> result = ServiceResult.Success <ArgumentException>(new ArgumentNullException());
result.Value.GetType().Should().Be(typeof(ArgumentNullException));
result.Cast <ArgumentNullException>().Value.GetType().Should().Be(typeof(ArgumentNullException));
result.Cast <ArgumentException>().Value.GetType().Should().Be(typeof(ArgumentNullException));
result.Cast <Exception>().Value.GetType().Should().Be(typeof(ArgumentNullException));
result.Cast <object>().Value.GetType().Should().Be(typeof(ArgumentNullException));
Assert.Throws <InvalidCastException>(() => result.Cast <InvalidOperationException>().Value.GetType().Should().Be(typeof(ArgumentNullException)));
}
public void AlwaysCastFailure()
{
ServiceResultFailure failure = ServiceResult.Failure(new ServiceErrorDto("Failure"));
failure.Cast <int>().Error.Should().BeDto(new ServiceErrorDto("Failure"));
ServiceResult noValue = ServiceResult.Failure(new ServiceErrorDto("NoValue"));
noValue.Cast <int>().Error.Should().BeDto(new ServiceErrorDto("NoValue"));
ServiceResult <string> stringValue = ServiceResult.Failure(new ServiceErrorDto("StringValue"));
stringValue.Cast <int>().Error.Should().BeDto(new ServiceErrorDto("StringValue"));
}
public void NoValueCasts()
{
ServiceResult result = ServiceResult.Success();
Assert.Throws <InvalidCastException>(() => result.Cast <object>());
}
