public void AddSafe_WhenOverflowNegativeReturnsMin()
{
var dt = new DateTime(DateTime.MaxValue.Ticks / 2);
dt = dt.AddConstrain(TimeSpan.MaxValue);
dt.Should().Be(DateTime.MaxValue);
}
public void AddSafe_WhenOverflowPositive_ReturnsMax()
{
var dt = new DateTime(DateTime.MaxValue.Ticks / 2);
dt = dt.AddConstrain(-TimeSpan.MaxValue);
dt.Should().Be(DateTime.MinValue);
}
public void AddSafe_WhenNoOverflow_ReturnsResult()
{
var dt = new DateTime(DateTime.MaxValue.Ticks / 2);
var controlDt = dt + TimeSpan.FromDays(1);
dt = dt.AddConstrain(TimeSpan.FromDays(1));
dt.Should().Be(controlDt);
}
