/// <summary>Error message if equal to the default constructed value.</summary>
public static void CheckHasValue(this Instant value)
{
if (!value.HasValue())
{
throw new Exception("Required datetime value is not set.");
}
}
public void Empty()
{
using (var context = new UnitTestContext(this))
{
var empty = new Instant();
context.Log.Assert(empty == InstantUtil.Empty, "empty == InstantUtil.Empty");
context.Log.Assert(empty.HasValue() == false, "empty.HasValue() == false");
context.Log.Assert(empty.ToIsoString() == String.Empty, "empty.ToIsoString() == String.Empty");
context.Log.Assert(empty.AsString() == String.Empty, "empty.AsString() == String.Empty");
}
}